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4 4.0

Searching for tau neutrinos with Cherenkov telescopes

Jun 30, 2018 06/18

by D. Gora; E. Bernardini; A. Kappes

eye 4

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Cherenkov telescopes have the capability of detecting high energy tau neutrinos in the energy range of 1--1000 PeV by searching for very inclined showers. If a tau lepton, produced by a tau neutrino, escapes from the Earth or a mountain, it will decay and initiate a shower in the air which can be detected by an air shower fluorescence or Cherenkov telescope. In this paper, we present detailed Monte Carlo simulations of corresponding event rates for the VERITAS and two proposed Cherenkov...
Topics: Instrumentation and Methods for Astrophysics, High Energy Astrophysical Phenomena, Astrophysics
Source: http://arxiv.org/abs/1402.4243

Arxiv.org

7 7.0

Anisotropy in Cosmic-Ray Arrival Directions in the Southern Hemisphere with Six Years of Data from the IceCube Detector

Jun 29, 2018 06/18

by IceCube Collaboration; M. G. Aartsen; K. Abraham; M. Ackermann; J. Adams; J. A. Aguilar; M. Ahlers; M. Ahrens; D. Altmann; T. Anderson; I. Ansseau; G. Golup; J. G. Gonzalez; D. Góra; D. Grant; Z. Griffith; C. Ha; C. Haack; A. Haj Ismail; A. Hallgren; F. Halzen; G. Anton; E. Hansen; B. Hansmann; T. Hansmann; K. Hanson; D. Hebecker; D. Heereman; K. Helbing; R. Hellauer; S. Hickford; J. Hignight; M. Archinger; G. C. Hill; K. D. Hoffman; R. Hoffmann; K. Holzapfel; A. Homeier; K. Hoshina; F. Huang;...

eye 7

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The IceCube Neutrino Observatory has accumulated a total of 318 billion cosmic-ray induced muon events between May 2009 and May 2015. This data set was used for a detailed analysis of the cosmic-ray arrival direction anisotropy in the TeV to PeV energy range. The observed global anisotropy features large regions of relative excess and deficit, with amplitudes on the order of $10^{-3}$ up to about 100 TeV. A decomposition of the arrival direction distribution into spherical harmonics shows that...
Topics: Astrophysics, High Energy Astrophysical Phenomena
Source: http://arxiv.org/abs/1603.01227

Arxiv.org

6 6.0

Development of a General Analysis and Unfolding Scheme and its Application to Measure the Energy Spectrum of Atmospheric Neutrinos with IceCube

Jun 30, 2018 06/18

by M. G. Aartsen; M. Ackermann; J. Adams; J. A. Aguilar; M. Ahlers; M. Ahrens; D. Altmann; T. Anderson; C. Arguelles; T. C. Arlen; J. Auffenberg; P. Hallen; A. Hallgren; F. Halzen; K. Hanson; D. Hebecker; D. Heereman; D. Heinen; K. Helbing; R. Hellauer; D. Hellwig; X. Bai; S. Hickford; G. C. Hill; K. D. Hoffman; R. Hoffmann; A. Homeier; K. Hoshina; F. Huang; W. Huelsnitz; P. O. Hulth; K. Hultqvist; S. W. Barwick; S. Hussain; A. Ishihara; E. Jacobi; J. Jacobsen; K. Jagielski; G. S. Japaridze; K....

eye 6

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We present the development and application of a generic analysis scheme for the measurement of neutrino spectra with the IceCube detector. This scheme is based on regularized unfolding, preceded by an event selection which uses a Minimum Redundancy Maximum Relevance algorithm to select the relevant variables and a Random Forest for the classification of events. The analysis has been developed using IceCube data from the 59-string configuration of the detector. 27,771 neutrino candidates were...
Topics: High Energy Astrophysical Phenomena, Astrophysics
Source: http://arxiv.org/abs/1409.4535

Arxiv.org

7 7.0

The IceCube Neutrino Observatory - Contributions to ICRC 2015 Part II: Atmospheric and Astrophysical Diffuse Neutrino Searches of All Flavors

Jun 28, 2018 06/18

by The IceCube Collaboration; M. G. Aartsen; K. Abraham; M. Ackermann; J. Adams; J. A. Aguilar; M. Ahlers; M. Ahrens; D. Altmann; T. Anderson; I. Ansseau; G. Golup; J. G. Gonzalez; D. Góra; D. Grant; J. C. Groh; A. Groß; C. Ha; C. Haack; A. Haj Ismail; A. Hallgren; M. Archinger; F. Halzen; B. Hansmann; K. Hanson; D. Hebecker; D. Heereman; K. Helbing; R. Hellauer; D. Hellwig; S. Hickford; J. Hignight; C. Arguelles; G. C. Hill; K. D. Hoffman; R. Hoffmann; K. Holzapfel; A. Homeier; K. Hoshina; F....

eye 7

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Papers on atmospheric and astrophysical diffuse neutrino searches of all flavors submitted to the 34th International Cosmic Ray Conference (ICRC 2015, The Hague) by the IceCube Collaboration.
Topics: Astrophysics, High Energy Astrophysical Phenomena
Source: http://arxiv.org/abs/1510.05223

Arxiv.org

46 46

Observation of an Anisotropy in the Galactic Cosmic Ray arrival direction at 400 TeV with IceCube

Sep 23, 2013 09/13

by IceCube Collaboration; R. Abbasi; Y. Abdou; T. Abu-Zayyad; M. Ackermann; J. Adams; J. A. Aguilar; M. Ahlers; M. M. Allen; D. Altmann; K. Andeen; J. Auffenberg; X. Bai; M. Baker; S. W. Barwick; R. Bay; J. L. Bazo Alba; K. Beattie; J. J. Beatty; S. Bechet; J. K. Becker; K. -H. Becker; M. L. Benabderrahmane; S. BenZvi; J. Berdermann; P. Berghaus; D. Berley; E. Bernardini; D. Bertrand; D. Z. Besson; D. Bindig; M. Bissok; E. Blaufuss; J. Blumenthal; D. J. Boersma; C. Bohm; D. Bose; S. Böser; O....

eye 46

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In this paper we report the first observation in the Southern hemisphere of an energy dependence in the Galactic cosmic ray anisotropy up to a few hundred TeV. This measurement was performed using cosmic ray induced muons recorded by the partially deployed IceCube observatory between May 2009 and May 2010. The data include a total of 33$\times 10^{9}$ muon events with a median angular resolution of $\sim3^{\circ}$ degrees. A sky map of the relative intensity in arrival direction over the...
Source: http://arxiv.org/abs/1109.1017v1

Arxiv.org

20 20

Evidence for Astrophysical Muon Neutrinos from the Northern Sky with IceCube

Jun 28, 2018 06/18

by IceCube Collaboration; M. G. Aartsen; K. Abraham; M. Ackermann; J. Adams; J. A. Aguilar; M. Ahlers; M. Ahrens; D. Altmann; T. Anderson; M. Archinger; J. A. Goodman; D. Góra; D. Grant; P. Gretskov; J. C. Groh; A. Groß; C. Ha; C. Haack; A. Haj Ismail; A. Hallgren; C. Arguelles; F. Halzen; B. Hansmann; K. Hanson; D. Hebecker; D. Heereman; K. Helbing; R. Hellauer; D. Hellwig; S. Hickford; J. Hignight; T. C. Arlen; G. C. Hill; K. D. Hoffman; R. Hoffmann; K. Holzapfel; A. Homeier; K. Hoshina; F....

eye 20

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Results from the IceCube Neutrino Observatory have recently provided compelling evidence for the existence of a high energy astrophysical neutrino flux utilizing a dominantly Southern Hemisphere dataset consisting primarily of nu_e and nu_tau charged current and neutral current (cascade) neutrino interactions. In the analysis presented here, a data sample of approximately 35,000 muon neutrinos from the Northern sky was extracted from data taken during 659.5 days of livetime recorded between May...
Topics: High Energy Astrophysical Phenomena, Astrophysics
Source: http://arxiv.org/abs/1507.04005

Arxiv.org

54 54

An Absence of Neutrinos Associated with Cosmic Ray Acceleration in Gamma-Ray Bursts

Sep 21, 2013 09/13

by IceCube Collaboration; R. Abbasi; Y. Abdou; T. Abu-Zayyad; M. Ackermann; J. Adams; J. A. Aguilar; M. Ahlers; D. Altmann; K. Andeen; J. Auffenberg; X. Bai; M. Baker; S. W. Barwick; R. Bay; J. L. Bazo Alba; K. Beattie; J. J. Beatty; S. Bechet; J. K. Becker; K. -H. Becker; M. Bell; M. L. Benabderrahmane; S. BenZvi; J. Berdermann; P. Berghaus; D. Berley; E. Bernardini; D. Bertrand D. Z. Besson; D. Bindig; M. Bissok; E. Blaufuss; J. Blumenthal; D. J. Boersma; C. Bohm; D. Bose; S. Böser; O. Botner;...

eye 54

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Gamma-Ray Bursts (GRBs) have been proposed as a leading candidate for acceleration of ultra high-energy cosmic rays, which would be accompanied by emission of TeV neutrinos produced in proton-photon interactions during acceleration in the GRB fireball. Two analyses using data from two years of the IceCube detector produced no evidence for this neutrino emission, placing strong constraints on models of neutrino and cosmic-ray production in these sources.
Source: http://arxiv.org/abs/1204.4219v2

Arxiv.org

5 5.0

Determining neutrino oscillation parameters from atmospheric muon neutrino disappearance with three years of IceCube DeepCore data

Jun 30, 2018 06/18

by IceCube Collaboration; M. G. Aartsen; M. Ackermann; J. Adams; J. A. Aguilar; M. Ahlers; M. Ahrens; D. Altmann; T. Anderson; C. Arguelles; T. C. Arlen; C. Ha; C. Haack; A. Haj Ismail; P. Hallen; A. Hallgren; F. Halzen; K. Hanson; D. Hebecker; D. Heereman; D. Heinen; J. Auffenberg; K. Helbing; R. Hellauer; D. Hellwig; S. Hickford; G. C. Hill; K. D. Hoffman; R. Hoffmann; A. Homeier; K. Hoshina; F. Huang; X. Bai; W. Huelsnitz; P. O. Hulth; K. Hultqvist; S. Hussain; A. Ishihara; E. Jacobi; J....

eye 5

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We present a measurement of neutrino oscillations via atmospheric muon neutrino disappearance with three years of data of the completed IceCube neutrino detector. DeepCore, a region of denser instrumentation, enables the detection and reconstruction of atmospheric muon neutrinos between 10 GeV and 100 GeV, where a strong disappearance signal is expected. The detector volume surrounding DeepCore is used as a veto region to suppress the atmospheric muon background. Neutrino events are selected...
Topics: Instrumentation and Detectors, Physics, High Energy Physics - Experiment
Source: http://arxiv.org/abs/1410.7227

Arxiv.org

5 5.0

An All-Sky Search for Three Flavors of Neutrinos from Gamma-Ray Bursts with the IceCube Neutrino Observatory

Jun 29, 2018 06/18

eye 5

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We present the results and methodology of a search for neutrinos produced in the decay of charged pions created in interactions between protons and gamma-rays during the prompt emission of 807 gamma-ray bursts (GRBs) over the entire sky. This three-year search is the first in IceCube for shower-like Cherenkov light patterns from electron, muon, and tau neutrinos correlated with GRBs. We detect five low-significance events correlated with five GRBs. These events are consistent with the...
Topics: Astrophysics, High Energy Astrophysical Phenomena
Source: http://arxiv.org/abs/1601.06484

Arxiv.org

39 39

Search for Dark Matter from the Galactic Halo with the IceCube Neutrino Observatory

Sep 22, 2013 09/13

by IceCube Collaboration; R. Abbasi; Y. Abdou; T. Abu-Zayyad; J. Adams; J. A. Aguilar; M. Ahlers; K. Andeen; J. Auffenberg; X. Bai; M. Baker; S. W. Barwick; R. Bay; J. L. Bazo Alba; K. Beattie; J. J. Beatty; S. Bechet; J. K. Becker; K. -H. Becker; M. L. Benabderrahmane; S. BenZvi; J. Berdermann; P. Berghaus; D. Berley; E. Bernardini; D. Bertrand; D. Z. Besson; D. Bindig; M. Bissok; E. Blaufuss; J. Blumenthal; D. J. Boersma; C. Bohm; D. Bose; S. Böser; O. Botner; J. Braun; A. M. Brown; S. Buitink;...

eye 39

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Self-annihilating or decaying dark matter in the Galactic halo might produce high energy neutrinos detectable with neutrino telescopes. We have conducted a search for such a signal using 276 days of data from the IceCube 22-string configuration detector acquired during 2007 and 2008. The effect of halo model choice in the extracted limit is reduced by performing a search that considers the outer halo region and not the Galactic Center. We constrain any large scale neutrino anisotropy and are...
Source: http://arxiv.org/abs/1101.3349v1

Arxiv.org

3 3.0

Lowering IceCube's Energy Threshold for Point Source Searches in the Southern Sky

Jun 29, 2018 06/18

by IceCube Collaboration; M. G. Aartsen; K. Abraham; M. Ackermann; J. Adams; J. A. Aguilar; M. Ahlers; M. Ahrens; D. Altmann; K. Andeen; T. Anderson; A. Goldschmidt; G. Golup; J. G. Gonzalez; D. Góra; D. Grant; Z. Griffith; C. Ha; C. Haack; A. Haj Ismail; A. Hallgren; I. Ansseau; F. Halzen; E. Hansen; B. Hansmann; T. Hansmann; K. Hanson; D. Hebecker; D. Heereman; K. Helbing; R. Hellauer; S. Hickford; G. Anton; J. Hignight; G. C. Hill; K. D. Hoffman; R. Hoffmann; K. Holzapfel; A. Homeier; K....

eye 3

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Observation of a point source of astrophysical neutrinos would be a "smoking gun" signature of a cosmic-ray accelerator. While IceCube has recently discovered a diffuse flux of astrophysical neutrinos, no localized point source has been observed. Previous IceCube searches for point sources in the southern sky were restricted by either an energy threshold above a few hundred TeV or poor neutrino angular resolution. Here we present a search for southern sky point sources with greatly...
Topics: Astrophysics, High Energy Astrophysical Phenomena
Source: http://arxiv.org/abs/1605.00163

Arxiv.org

16 16

Flavor Ratio of Astrophysical Neutrinos above 35 TeV in IceCube

Jun 26, 2018 06/18

eye 16

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A diffuse flux of astrophysical neutrinos above $100\,\mathrm{TeV}$ has been observed at the IceCube Neutrino Observatory. Here we extend this analysis to probe the astrophysical flux down to $35\,\mathrm{TeV}$ and analyze its flavor composition by classifying events as showers or tracks. Taking advantage of lower atmospheric backgrounds for shower-like events, we obtain a shower-biased sample containing 129 showers and 8 tracks collected in three years from 2010 to 2013. We demonstrate...
Topics: High Energy Astrophysical Phenomena, Astrophysics, High Energy Physics - Experiment
Source: http://arxiv.org/abs/1502.03376

Arxiv.org

6 6.0

Searches for Relativistic Magnetic Monopoles in IceCube

Jun 28, 2018 06/18

by IceCube Collaboration; M. G. Aartsen; K. Abraham; M. Ackermann; J. Adams; J. A. Aguilar; M. Ahlers; M. Ahrens; D. Altmann; T. Anderson; I. Ansseau; Z. Griffith; A. Groß; C. Ha; C. Haack; A. Haj Ismail; A. Hallgren; F. Halzen; E. Hansen; B. Hansmann; K. Hanson; M. Archinger; D. Hebecker; D. Heereman; K. Helbing; R. Hellauer; S. Hickford; J. Hignight; G. C. Hill; K. D. Hoffman; R. Hoffmann; K. Holzapfel; C. Arguelles; A. Homeier; K. Hoshina; F. Huang; M. Huber; W. Huelsnitz; P. O. Hulth; K....

eye 6

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Various extensions of the Standard Model motivate the existence of stable magnetic monopoles that could have been created during an early high-energy epoch of the Universe. These primordial magnetic monopoles would be gradually accelerated by cosmic magnetic fields and could reach high velocities that make them visible in Cherenkov detectors such as IceCube. Equivalently to electrically charged particles, magnetic monopoles produce direct and indirect Cherenkov light while traversing through...
Topics: Astrophysics, High Energy Astrophysical Phenomena
Source: http://arxiv.org/abs/1511.01350

Arxiv.org

5 5.0

Search for Sources of High Energy Neutrons with Four Years of Data from the IceTop Detector

Jun 29, 2018 06/18

by IceCube Collaboration; M. G. Aartsen; K. Abraham; M. Ackermann; J. Adams; J. A. Aguilar; M. Ahlers; M. Ahrens; D. Altmann; K. Andeen; T. Anderson; J. G. Gonzalez; D. Grant; Z. Griffith; C. Haack; A. Haj Ismail; A. Hallgren; F. Halzen; E. Hansen; B. Hansmann; T. Hansmann; I. Ansseau; K. Hanson; D. Hebecker; D. Heereman; K. Helbing; R. Hellauer; S. Hickford; J. Hignight; G. C. Hill; K. D. Hoffman; R. Hoffmann; G. Anton; K. Holzapfel; K. Hoshina; F. Huang; M. Huber; K. Hultqvist; S. In; A....

eye 5

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IceTop is an air shower array located on the Antarctic ice sheet at the geographic South Pole. IceTop can detect an astrophysical flux of neutrons from Galactic sources as an excess of cosmic ray air showers arriving from the source direction. Neutrons are undeflected by the Galactic magnetic field and can typically travel 10 ($E$ / PeV) pc before decay. Two searches are performed using 4 years of the IceTop dataset to look for a statistically significant excess of events with energies above 10...
Topics: Astrophysics, High Energy Astrophysical Phenomena, High Energy Physics - Experiment
Source: http://arxiv.org/abs/1607.05614

Arxiv.org

9 9.0

Observation and Characterization of a Cosmic Muon Neutrino Flux from the Northern Hemisphere using six years of IceCube data

Jun 29, 2018 06/18

eye 9

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The IceCube Collaboration has previously discovered a high-energy astrophysical neutrino flux using neutrino events with interaction vertices contained within the instrumented volume of the IceCube detector. We present a complementary measurement using charged current muon neutrino events where the interaction vertex can be outside this volume. As a consequence of the large muon range the effective area is significantly larger but the field of view is restricted to the Northern Hemisphere....
Topics: Astrophysics, High Energy Astrophysical Phenomena
Source: http://arxiv.org/abs/1607.08006

Arxiv.org

2 2.0

Constraining the neutrino emission of gravitationally lensed Flat-Spectrum Radio Quasars with ANTARES data

Jun 30, 2018 06/18

by S. Adrián-Martínez; A. Albert; M. André; G. Anton; M. Ardid; J. -J. Aubert; B. Baret; J. Barrios-Martì; S. Basa; V. Bertin; S. Biagi; G. Riccobene; R. Richter; K. Roensch; A. Rostovtsev; M. Saldaña; D. F. E. Samtleben; A. Sánchez-Losa; M. Sanguineti; J. Schmid; J. Schnabel; C. Bogazzi; S. Schulte; F. Schüssler; T. Seitz; C. Sieger; A. Spies; M. Spurio; J. J. M. Steijger; Th. Stolarczyk; M. Taiuti; C. Tamburini; R. Bormuth; Y. Tayalati; A. Trovato; M. Tselengidou; C. Tönnis; B. Vallage;...

eye 2

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This paper proposes to exploit gravitational lensing effects to improve the sensitivity of neutrino telescopes to the intrinsic neutrino emission of distant blazar populations. This strategy is illustrated with a search for cosmic neutrinos in the direction of four distant and gravitationally lensed Flat-Spectrum Radio Quasars. The magnification factor is estimated for each system assuming a singular isothermal profile for the lens. Based on data collected from 2007 to 2012 by the ANTARES...
Topics: High Energy Astrophysical Phenomena, Astrophysics
Source: http://arxiv.org/abs/1407.8525

Arxiv.org

77 77

IceCube: Neutrino Messages from GRBs

Jul 20, 2013 07/13

by A. Kappes for the IceCube Collaboration

eye 77

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The mystery of where and how Nature accelerates the cosmic rays is still unresolved a century after their discovery. Gamma ray bursts (GRBs) have been proposed as one of the more plausible sources of extragalactic cosmic rays. A positive observation of neutrinos in coincidence with a GRB would identify these objects as sources of the highest-energy cosmic rays and provide invaluable information about the processes occurring inside these phenomena. Calculations show that a kilometer-scale...
Source: http://arxiv.org/abs/1007.4629v1

Arxiv.org

8 8.0

IceCube-Gen2: A Vision for the Future of Neutrino Astronomy in Antarctica

Jun 30, 2018 06/18

by IceCube-Gen2 Collaboration; :; M. G. Aartsen; M. Ackermann; J. Adams; J. A. Aguilar; M. Ahlers; M. Ahrens; D. Altmann; T. Anderson; G. Anton; D. Góra; D. Grant; P. Gretskov; J. C. Groh; A. Groß; C. Ha; C. Haack; A. Haj Ismail; P. Hallen; A. Hallgren; C. Arguelles; F. Halzen; K. Hanson; J. Haugen; D. Hebecker; D. Heereman; D. Heinen; K. Helbing; R. Hellauer; D. Hellwig; S. Hickford; T. C. Arlen; J. Hignight; G. C. Hill; K. D. Hoffman; R. Hoffmann; A. Homeier; K. Hoshina; F. Huang; W....

eye 8

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The recent observation by the IceCube neutrino observatory of an astrophysical flux of neutrinos represents the "first light" in the nascent field of neutrino astronomy. The observed diffuse neutrino flux seems to suggest a much larger level of hadronic activity in the non-thermal universe than previously thought and suggests a rich discovery potential for a larger neutrino observatory. This document presents a vision for an substantial expansion of the current IceCube detector,...
Topics: Instrumentation and Methods for Astrophysics, High Energy Astrophysical Phenomena, Astrophysics,...
Source: http://arxiv.org/abs/1412.5106

Arxiv.org

9 9.0

Searches for Extended and Point-like Neutrino Sources with Four Years of IceCube Data

Jun 30, 2018 06/18

by IceCube Collaboration; M. G. Aartsen; M. Ackermann; J. Adams; J. A. Aguilar; M. Ahlers; M. Ahrens; D. Altmann; T. Anderson; C. Arguelles; T. C. Arlen; A. Haj Ismail; P. Hallen; A. Hallgren; F. Halzen; K. Hanson; D. Hebecker; D. Heereman; D. Heinen; K. Helbing; R. Hellauer; J. Auffenberg; D. Hellwig; S. Hickford; G. C. Hill; K. D. Hoffman; R. Hoffmann; A. Homeier; K. Hoshina; F. Huang; W. Huelsnitz; P. O. Hulth; X. Bai; K. Hultqvist; S. Hussain; A. Ishihara; E. Jacobi; J. Jacobsen; K. Jagielski;...

eye 9

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We present results on searches for point-like sources of neutrinos using four years of IceCube data, including the first year of data from the completed 86-string detector. The total livetime of the combined dataset is 1,373 days. For an E$^{-2}$ spectrum the median sensitivity at 90\% C.L. is $\sim 10^{-12}$ TeV$^{-1}$cm$^{-2}$s$^{-1}$ for energies between 1 TeV$-$1 PeV in the northern sky and $\sim 10^{-11}$ TeV$^{-1}$cm$^{-2}$s$^{-1}$ for energies between 100 TeV $-$ 100 PeV in the southern...
Topics: High Energy Astrophysical Phenomena, Astrophysics
Source: http://arxiv.org/abs/1406.6757

Arxiv.org

54 54

Neutrino analysis of the September 2010 Crab Nebula flare and time-integrated constraints on neutrino emission from the Crab using IceCube

Sep 21, 2013 09/13

by IceCube Collaboration; R. Abbasi; Y. Abdou; T. Abu-Zayyad; J. Adams; J. A. Aguilar; M. Ahlers; D. Altmann; K. Andeen; J. Auffenberg; X. Bai; M. Baker; S. W. Barwick; R. Bay; J. L. Bazo Alba; K. Beattie; J. J. Beatty; S. Bechet; J. K. Becker; K. -H. Becker; M. L. Benabderrahmane; S. BenZvi; J. Berdermann; P. Berghaus; D. Berley; E. Bernardini; D. Bertrand; D. Z. Besson; D. Bindig; M. Bissok; E. Blaufuss; J. Blumenthal; D. J. Boersma; C. Bohm; D. Bose; S. Böser; O. Botner; A. M. Brown; S....

eye 54

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We present the results for a search of high-energy muon neutrinos with the IceCube detector in coincidence with the Crab nebula flare reported on September 2010 by various experiments. Due to the unusual flaring state of the otherwise steady source we performed a prompt analysis of the 79-string configuration data to search for neutrinos that might be emitted along with the observed gamma-rays. We performed two different and complementary data selections of neutrino events in the time window of...
Source: http://arxiv.org/abs/1106.3484v2

Arxiv.org

7 7.0

Neutrinos and Cosmic Rays Observed by IceCube

Jun 30, 2018 06/18

by IceCube Collaboration; M. G. Aartsen; M. Ackermann; J. Adams; J. A. Aguilar; M. Ahlers; M. Ahrens; I. Al Samarai; D. Altmann; K. Andeen; T. Anderson; Z. Griffith; C. Haack; A. Hallgren; F. Halzen; E. Hansen; T. Hansmann; K. Hanson; D. Hebecker; D. Heereman; K. Helbing; I. Ansseau; R. Hellauer; S. Hickford; J. Hignight; G. C. Hill; K. D. Hoffman; R. Hoffmann; K. Hoshina; F. Huang; M. Huber; K. Hultqvist; G. Anton; S. In; A. Ishihara; E. Jacobi; G. S. Japaridze; M. Jeong; K. Jero; B. J. P. Jones;...

eye 7

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The core mission of the IceCube Neutrino observatory is to study the origin and propagation of cosmic rays. IceCube, with its surface component IceTop, observes multiple signatures to accomplish this mission. Most important are the astrophysical neutrinos that are produced in interactions of cosmic rays, close to their sources and in interstellar space. IceCube is the first instrument that measures the properties of this astrophysical neutrino flux, and constrains its origin. In addition, the...
Topics: Astrophysics, High Energy Astrophysical Phenomena
Source: http://arxiv.org/abs/1701.03731

Arxiv.org

13 13

Search for Transient Astrophysical Neutrino Emission with IceCube-DeepCore

Jun 28, 2018 06/18

by M. G. Aartsen; K. Abraham; M. Ackermann; J. Adams; J. A. Aguilar; M. Ahlers; M. Ahrens; D. Altmann; T. Anderson; I. Ansseau; M. Archinger; J. G. Gonzalez; D. Góra; D. Grant; J. C. Groh; A. Groß; C. Ha; C. Haack; A. Haj Ismail; A. Hallgren; F. Halzen; C. Arguelles; E. Hansen; B. Hansmann; K. Hanson; D. Hebecker; D. Heereman; K. Helbing; R. Hellauer; S. Hickford; J. Hignight; G. C. Hill; T. C. Arlen; K. D. Hoffman; R. Hoffmann; K. Holzapfel; A. Homeier; K. Hoshina; F. Huang; M. Huber; W....

eye 13

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We present the results of a search for astrophysical sources of brief transient neutrino emission using IceCube and DeepCore data acquired between May 15th 2012 and April 30th 2013. While the search methods employed in this analysis are similar to those used in previous IceCube point source searches, the data set being examined consists of a sample of predominantly sub-TeV muon neu- trinos from the Northern Sky (-5$^{\circ}$ < {\delta} < 90$^{\circ}$ ) obtained through a novel event...
Topics: High Energy Astrophysical Phenomena, Astrophysics
Source: http://arxiv.org/abs/1509.05029

Arxiv.org

66 66

IceTop: The surface component of IceCube

Sep 20, 2013 09/13

by IceCube Collaboration; R. Abbasi; Y. Abdou; M. Ackermann; J. Adams; J. A. Aguilar; M. Ahlers; D. Altmann; K. Andeen; J. Auffenberg; X. Bai; M. Baker; S. W. Barwick; V. Baum; R. Bay; K. Beattie; J. J. Beatty; S. Bechet; J. Becker Tjus; K. -H. Becker; M. Bell; M. L. Benabderrahmane; S. BenZvi; J. Berdermann; P. Berghaus; D. Berley; E. Bernardini; D. Bertrand; D. Z. Besson; D. Bindig; M. Bissok; E. Blaufuss; J. Blumenthal; D. J. Boersma; C. Bohm; D. Bose; S. Böser; O. Botner; L. Brayeur; A. M....

eye 66

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IceTop, the surface component of the IceCube Neutrino Observatory at the South Pole, is an air shower array with an area of 1 km2. The detector allows a detailed exploration of the mass composition of primary cosmic rays in the energy range from about 100 TeV to 1 EeV by exploiting the correlation between the shower energy measured in IceTop and the energy deposited by muons in the deep ice. In this paper we report on the technical design, construction and installation, the trigger and data...
Source: http://arxiv.org/abs/1207.6326v2

Arxiv.org

6 6.0

Multipole analysis of IceCube data to search for dark matter accumulated in the Galactic halo

Jun 30, 2018 06/18

by IceCube Collaboration; M. G. Aartsen; M. Ackermann; J. Adams; J. A. Aguilar; M. Ahlers; M. Ahrens; D. Altmann; T. Anderson; C. Arguelles; T. C. Arlen; P. Hallen; A. Hallgren; F. Halzen; K. Hanson; D. Hebecker; D. Heereman; D. Heinen; K. Helbing; R. Hellauer; D. Hellwig; J. Auffenberg; S. Hickford; G. C. Hill; K. D. Hoffman; R. Hoffmann; A. Homeier; K. Hoshina; F. Huang; W. Huelsnitz; P. O. Hulth; K. Hultqvist; X. Bai; S. Hussain; A. Ishihara; E. Jacobi; J. Jacobsen; K. Jagielski; G. S....

eye 6

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Dark matter which is bound in the Galactic halo might self-annihilate and produce a flux of stable final state particles, e.g. high energy neutrinos. These neutrinos can be detected with IceCube, a cubic-kilometer sized Cherenkov detector. Given IceCube's large field of view, a characteristic anisotropy of the additional neutrino flux is expected. In this paper we describe a multipole method to search for such a large-scale anisotropy in IceCube data. This method uses the expansion coefficients...
Topics: Astrophysics of Galaxies, High Energy Astrophysical Phenomena, Astrophysics
Source: http://arxiv.org/abs/1406.6868

Arxiv.org

55 55

Search for Neutrinos from Annihilating Dark Matter in the Direction of the Galactic Center with the 40-String IceCube Neutrino Observatory

Sep 22, 2013 09/13

by The IceCube collaboration; R. Abbasi; Y. Abdou; M. Ackermann; J. Adams; J. A. Aguilar; M. Ahlers; D. Altmann; K. Andeen; J. Auffenberg; X. Bai; M. Baker; S. W. Barwick; V. Baum; R. Bay; K. Beattie; J. J. Beatty; S. Bechet; J. Becker Tjus; K. -H. Becker; M. Bell; M. L. Benabderrahmane; S. BenZvi; J. Berdermann; P. Berghaus; D. Berley; E. Bernardini; D. Bertrand; D. Z. Besson; D. Bindig; M. Bissok; E. Blaufuss; J. Blumenthal; D. J. Boersma; C. Bohm; D. Bose; S. Böser; O. Botner; L. Brayeur; A....

eye 55

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A search for muon neutrinos from dark matter annihilations in the Galactic Center region has been performed with the 40-string configuration of the IceCube Neutrino Observatory using data collected in 367 days of live-time starting in April 2008. The observed fluxes were consistent with the atmospheric background expectations. Upper limits on the self-annihilation cross-section are obtained for dark matter particle masses ranging from 100 GeV to 10 TeV. In the case of decaying dark matter,...
Source: http://arxiv.org/abs/1210.3557v3

Arxiv.org

5 5.0

All-flavour Search for Neutrinos from Dark Matter Annihilations in the Milky Way with IceCube/DeepCore

Jun 29, 2018 06/18

by IceCube collaboration; M. G. Aartsen; K. Abraham; M. Ackermann; J. Adams; J. A. Aguilar; M. Ahlers; M. Ahrens; D. Altmann; K. Andeen; T. Anderson; T. Glüsenkamp; A. Goldschmidt; G. Golup; J. G. Gonzalez; D. Góra; D. Grant; Z. Griffith; C. Haack; A. Haj Ismail; A. Hallgren; I. Ansseau; F. Halzen; E. Hansen; B. Hansmann; T. Hansmann; K. Hanson; D. Hebecker; D. Heereman; K. Helbing; R. Hellauer; S. Hickford; G. Anton; J. Hignight; G. C. Hill; K. D. Hoffman; R. Hoffmann; K. Holzapfel; A. Homeier;...

eye 5

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We present the first IceCube search for a signal of dark matter annihilations in the Milky Way using all-flavour neutrino-induced particle cascades. The analysis focuses on the DeepCore sub-detector of IceCube, and uses the surrounding IceCube strings as a veto region in order to select starting events in the DeepCore volume. We use 329 live-days of data from IceCube operating in its 86-string configuration during 2011-2012. No neutrino excess is found, the final result being compatible with...
Topics: Astrophysics, High Energy Astrophysical Phenomena, High Energy Physics - Experiment
Source: http://arxiv.org/abs/1606.00209

Arxiv.org

4 4.0

The IceCube Neutrino Observatory - Contributions to ICRC 2015 Part IV: Searches for Dark Matter and Exotic Particles

Jun 28, 2018 06/18

eye 4

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Papers on searches for dark matter and exotic particles submitted to the 34th International Cosmic Ray Conference (ICRC 2015, The Hague) by the IceCube Collaboration.
Topics: Astrophysics, High Energy Astrophysical Phenomena
Source: http://arxiv.org/abs/1510.05226

Arxiv.org

45 45

All-particle cosmic ray energy spectrum measured with 26 IceTop stations

Sep 23, 2013 09/13

by IceCube Collaboration; R. Abbasi; Y. Abdou; T. Abu-Zayyad; M. Ackermann; J. Adams; J. A. Aguilar; M. Ahlers; D. Altmann; K. Andeen; J. Auffenberg; X. Bai; M. Baker; S. W. Barwick; V. Baum; R. Bay; J. L. Bazo Alba; K. Beattie; J. J. Beatty; S. Bechet; J. K. Becker; K. -H. Becker; M. Bell; M. L. Benabderrahmane; S. BenZvi; J. Berdermann; P. Berghaus; D. Berley; E. Bernardini; D. Bertrand; D. Z. Besson; D. Bindig; M. Bissok; E. Blaufuss; J. Blumenthal; D. J. Boersma; C. Bohm; D. Bose; S. Böser;...

eye 45

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We report on a measurement of the cosmic ray energy spectrum with the IceTop air shower array, the surface component of the IceCube Neutrino Observatory at the South Pole. The data used in this analysis were taken between June and October, 2007, with 26 surface stations operational at that time, corresponding to about one third of the final array. The fiducial area used in this analysis was 0.122 km^2. The analysis investigated the energy spectrum from 1 to 100 PeV measured for three different...
Source: http://arxiv.org/abs/1202.3039v1

Arxiv.org

5 5.0

A Search for Time Dependent Neutrino Emission from Microquasars with the ANTARES Telescope

Jun 30, 2018 06/18

by S. Adrián-Martínez; A. Albert; M. André; M. Anghinolfi; G. Anton; M. Ardid; T. Astraatmadja; J. -J. Aubert; B. Baret; J. Barrios; S. Basa; E. Nezri; D. Palioselitis; G. E. Păvălaş; C. Perrina; P. Piattelli; V. Popa; T. Pradier; C. Racca; G. Riccobene; R. Richter; V. Bertin; C. Rivière; A. Robert; K. Roensch; A. Rostovtsev; M. Saldaña; D. F. E. Samtleben; A. Sánchez-Losa; M. Sanguineti; P. Sapienza; J. Schmid; S. Biagi; J. Schnabel; S. Schulte; F. Schüssler; T. Seitz; C. Sieger; A....

eye 5

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Results are presented on a search for neutrino emission from a sample of six microquasars, based on the data collected by the ANTARES neutrino telescope between 2007 and 2010. By means of appropriate time cuts, the neutrino search has been restricted to the periods when the acceleration of relativistic jets was taking place at the microquasars under study. The time cuts have been chosen using the information from the X-ray telescopes RXTE/ASM and Swift/BAT, and, in one case, the gamma-ray...
Topics: High Energy Astrophysical Phenomena, Astrophysics
Source: http://arxiv.org/abs/1402.1600

Arxiv.org

10 10.0

Constraints on ultra-high-energy cosmic ray sources from a search for neutrinos above 10 PeV with IceCube

Jun 29, 2018 06/18

eye 10

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We report constraints on the sources of ultra-high-energy cosmic ray (UHECR) above $10^{9}$ GeV, based on an analysis of seven years of IceCube data. This analysis efficiently selects very high energy neutrino-induced events which have deposited energies from $\sim 10^6$ GeV to above $10^{11}$ GeV. Two neutrino-induced events with an estimated deposited energy of $(2.6 \pm 0.3) \times 10^6$ GeV, the highest neutrino energies observed so far, and $(7.7 \pm 2.0) \times 10^5$ GeV were detected....
Topics: Astrophysics, High Energy Astrophysical Phenomena, Cosmology and Nongalactic Astrophysics
Source: http://arxiv.org/abs/1607.05886

Arxiv.org

5 5.0

The contribution of Fermi-2LAC blazars to the diffuse TeV-PeV neutrino flux

Jun 29, 2018 06/18

by IceCube Collaboration; M. G. Aartsen; K. Abraham; M. Ackermann; J. Adams; J. A. Aguilar; M. Ahlers; M. Ahrens; D. Altmann; K. Andeen; T. Anderson; M. Glagla; T. Glüsenkamp; A. Goldschmidt; G. Golup; J. G. Gonzalez; D. Góra; D. Grant; Z. Griffith; C. Haack; A. Haj Ismail; I. Ansseau; A. Hallgren; F. Halzen; E. Hansen; B. Hansmann; T. Hansmann; K. Hanson; D. Hebecker; D. Heereman; K. Helbing; R. Hellauer; G. Anton; S. Hickford; J. Hignight; G. C. Hill; K. D. Hoffman; R. Hoffmann; K. Holzapfel;...

eye 5

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The recent discovery of a diffuse cosmic neutrino flux extending up to PeV energies raises the question of which astrophysical sources generate this signal. One class of extragalactic sources which may produce such high-energy neutrinos are blazars. We present a likelihood analysis searching for cumulative neutrino emission from blazars in the 2nd Fermi-LAT AGN catalogue (2LAC) using an IceCube neutrino dataset 2009-12 which was optimised for the detection of individual sources. In contrast to...
Topics: Astrophysics, High Energy Astrophysical Phenomena, High Energy Physics - Experiment
Source: http://arxiv.org/abs/1611.03874

Arxiv.org

9 9.0

Searches for small-scale anisotropies from neutrino point sources with three years of IceCube data

Jun 30, 2018 06/18

eye 9

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Recently, IceCube found evidence for a diffuse signal of astrophysical neutrinos in an energy range of $60\,\mathrm{TeV}$ to the $\mathrm{PeV}$-scale. The origin of those events, being a key to understanding the origin of cosmic rays, is still an unsolved question. So far, analyses have not succeeded to resolve the diffuse signal into point-like sources. Searches including a maximum-likelihood-ratio test, based on the reconstructed directions and energies of the detected down- and up-going...
Topics: High Energy Astrophysical Phenomena, Astrophysics
Source: http://arxiv.org/abs/1408.0634

Arxiv.org

4 4.0

TANAMI Blazars in the IceCube PeV Neutrino Fields

Jun 30, 2018 06/18

by F. Krauß; M. Kadler; K. Mannheim; R. Schulz; J Trüstedt; J. Wilms; R. Ojha; E. Ros; G. Anton; W. Baumgartner; T. Beuchert; J. Blanchard; C. Bürkel; B. Carpenter; T. Eberl; P. G. Edwards; D. Eisenacher; D. Elsässer; K. Fehn; U. Fritsch; N. Gehrels; C. Gräfe; C. Großberger; H. Hase; S. Horiuchi; C. James; A. Kappes; U. Katz; A. Kreikenbohm; I. Kreykenbohm; M. Langejahn; K. Leiter; E. Litzinger; J. E. J. Lovell; C. Müller; C. Phillips; C. Plötz; J. Quick; T. Steinbring; J. Stevens; D. J....

eye 4

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The IceCube Collaboration has announced the discovery of a neutrino flux in excess of the atmospheric background. Due to the steeply falling atmospheric background spectrum, events at PeV energies are most likely of extraterrestrial origin. We present the multiwavelength properties of the six radio brightest blazars positionally coincident with these events using contemporaneous data of the TANAMI blazar sample, including high-resolution images and spectral energy distributions. Assuming the...
Topics: High Energy Physics - Phenomenology, High Energy Astrophysical Phenomena, Astrophysics, High Energy...
Source: http://arxiv.org/abs/1406.0645

Arxiv.org

3 3.0

The IceCube Neutrino Observatory - Contributions to ICRC 2015 Part V: Neutrino Oscillations and Supernova Searches

Jun 28, 2018 06/18

eye 3

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Papers on neutrino oscillations and supernova searches submitted to the 34th International Cosmic Ray Conference (ICRC 2015, The Hague) by the IceCube Collaboration.
Topics: Astrophysics, High Energy Astrophysical Phenomena
Source: http://arxiv.org/abs/1510.05227

Arxiv.org

7 7.0

Letter of Intent for KM3NeT 2.0

Jun 29, 2018 06/18

by S. Adrián-Martínez; M. Ageron; F. Aharonian; S. Aiello; A. Albert; F. Ameli; E. Anassontzis; M. Andre; G. Androulakis; M. Anghinolfi; G. Anton; R. Gracia; K. Graf; T. Grégoire; G. Grella; R. Habel; S. Hallmann; H. van Haren; S. Harissopulos; T. Heid; A. Heijboer; M. Ardid; E. Heine; S. Henry; J. J. Hernández-Rey; M. Hevinga; J. Hofestädt; C. M. F. Hugon; G. Illuminati; C. W. James; P. Jansweijer; M. Jongen; T. Avgitas; M. de Jong; M. Kadler; O. Kalekin; A. Kappes; U. F. Katz; P. Keller; G....

eye 7

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The main objectives of the KM3NeT Collaboration are i) the discovery and subsequent observation of high-energy neutrino sources in the Universe and ii) the determination of the mass hierarchy of neutrinos. These objectives are strongly motivated by two recent important discoveries, namely: 1) The high-energy astrophysical neutrino signal reported by IceCube and 2) the sizable contribution of electron neutrinos to the third neutrino mass eigenstate as reported by Daya Bay, Reno and others. To...
Topics: Instrumentation and Methods for Astrophysics, Physics, Astrophysics, High Energy Astrophysical...
Source: http://arxiv.org/abs/1601.07459

Arxiv.org

4 4.0

The IceCube Neutrino Observatory: Instrumentation and Online Systems

Jun 29, 2018 06/18

by IceCube Collaboration; M. G. Aartsen; M. Ackermann; J. Adams; J. A. Aguilar; M. Ahlers; M. Ahrens; D. Altmann; K. Andeen; T. Anderson; I. Ansseau; T. Fuchs; T. K. Gaisser; J. Gallagher; L. Gerhardt; K. Ghorbani; W. Giang; L. Gladstone; T. Glauch; D. Glowacki; T. Glüsenkamp; G. Anton; A. Goldschmidt; J. G. Gonzalez; D. Grant; Z. Griffith; L. Gustafsson; C. Haack; A. Hallgren; F. Halzen; E. Hansen; T. Hansmann; M. Archinger; K. Hanson; J. Haugen; D. Hebecker; D. Heereman; K. Helbing; R....

eye 4

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The IceCube Neutrino Observatory is a cubic-kilometer-scale high-energy neutrino detector built into the ice at the South Pole. Construction of IceCube, the largest neutrino detector built to date, was completed in 2011 and enabled the discovery of high-energy astrophysical neutrinos. We describe here the design, production, and calibration of the IceCube digital optical module (DOM), the cable systems, computing hardware, and our methodology for drilling and deployment. We also describe the...
Topics: Astrophysics, Instrumentation and Methods for Astrophysics, Physics, Instrumentation and Detectors
Source: http://arxiv.org/abs/1612.05093

Arxiv.org

9 9.0

First combined search for neutrino point-sources in the Southern Hemisphere with the ANTARES and IceCube neutrino telescopes

Jun 28, 2018 06/18

by ANTARES Collaboration; S. Adrián-Martínez; A. Albert; M. André; G. Anton; M. Ardid; J. -J. Aubert; B. Baret; J. Barrios-Martí; S. Basa; V. Bertin; F. Schüssler; T. Seitz; C. Sieger; M. Spurio; J. J. M. Steijger; Th. Stolarczyk; M. Taiuti; C. Tamburini; A. Trovato; M. Tselengidou; S. Biagi; C. Tönnis; B. Vallage; C. Vallée; V. Van Elewyck; E. Visser; D. Vivolo; S. Wagner; J. Wilms; J. D. Zornoza; J. Zúñiga; R. Bormuth; IceCube Collaboration; :; M. G. Aartsen; K. Abraham; M. Ackermann;...

eye 9

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We present the results of searches for point-like sources of neutrinos based on the first combined analysis of data from both the ANTARES and IceCube neutrino telescopes. The combination of both detectors which differ in size and location forms a window in the Southern sky where the sensitivity to point sources improves by up to a factor of two compared to individual analyses. Using data recorded by ANTARES from 2007 to 2012, and by IceCube from 2008 to 2011, we search for sources of neutrino...
Topics: High Energy Physics - Experiment, Astrophysics, High Energy Astrophysical Phenomena
Source: http://arxiv.org/abs/1511.02149

Arxiv.org

3 3.0

Improved limits on dark matter annihilation in the Sun with the 79-string IceCube detector and implications for supersymmetry

Jun 29, 2018 06/18

by IceCube Collaboration; M. G. Aartsen; K. Abraham; M. Ackermann; J. Adams; J. A. Aguilar; M. Ahlers; M. Ahrens; D. Altmann; T. Anderson; I. Ansseau; A. Goldschmidt; G. Golup; J. G. Gonzalez; D. Góra; D. Grant; Z. Griffith; A. Groß; C. Ha; C. Haack; A. Haj Ismail; G. Anton; A. Hallgren; F. Halzen; E. Hansen; B. Hansmann; K. Hanson; D. Hebecker; D. Heereman; K. Helbing; R. Hellauer; S. Hickford; M. Archinger; J. Hignight; G. C. Hill; K. D. Hoffman; R. Hoffmann; K. Holzapfel; A. Homeier; K....

eye 3

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We present an improved event-level likelihood formalism for including neutrino telescope data in global fits to new physics. We derive limits on spin-dependent dark matter-proton scattering by employing the new formalism in a re-analysis of data from the 79-string IceCube search for dark matter annihilation in the Sun, including explicit energy information for each event. The new analysis excludes a number of models in the weak-scale minimal supersymmetric standard model (MSSM) for the first...
Topics: Astrophysics, High Energy Physics - Phenomenology, Cosmology and Nongalactic Astrophysics, High...
Source: http://arxiv.org/abs/1601.00653

Arxiv.org

40 40

Searches for periodic neutrino emission from binary systems with 22 and 40 strings of IceCube

Sep 21, 2013 09/13

eye 40

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In this paper we present the results of searches for periodic neutrino emission from a catalog of binary systems. Such modulation, observed in the photon flux, would be caused by the geometry of these systems. In the analysis, the period is fixed by these photon observations, while the phase and duration of the neutrino emission are treated as free parameters to be fit with the data. If the emission occurs during ~20% or less of the total period, this analysis achieves better sensitivity than a...
Source: http://arxiv.org/abs/1108.3023v2

Arxiv.org

41 41

First search for neutrinos in correlation with gamma-ray bursts with the ANTARES neutrino telescope

Sep 22, 2013 09/13

by S. Adrián-Martínez; I. Al Samarai; A. Albert; M. André; M. Anghinolfi; G. Anton; S. Anvar; M. Ardid; A. C. Assis Jesus; T. Astraatmadja; J-J. Aubert; B. Baret; S. Basa; V. Bertin; S. Biagi; C. Bigongiari; C. Bogazzi; M. Bou-Cabo; B. Bouhou; M. Bouwhuis; J. Brunner; J. Busto; A. Capone; C. Carloganu; J. Carr; S. Cecchini; Z. Charif; Ph. Charvis; T. Chiarusi; M. Circella; R. Coniglione; L. Core; H. Costantini; P. Coyle; A. Creusot; C. Curtil; G. De Bonis; M. P. Decowski; I. Dekeyser; A....

eye 41

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A search for neutrino-induced muons in correlation with a selection of 40 gamma-ray bursts that occurred in 2007 has been performed with the ANTARES neutrino telescope. During that period, the detector consisted of 5 detection lines. The ANTARES neutrino telescope is sensitive to TeV--PeV neutrinos that are predicted from gamma-ray bursts. No events were found in correlation with the prompt photon emission of the gamma-ray bursts and upper limits have been placed on the flux and fluence of...
Source: http://arxiv.org/abs/1302.6750v1

Arxiv.org

79 79

The design and performance of the ZEUS Micro Vertex detector

Sep 19, 2013 09/13

by A. Polini; I. Brock; S. Goers; A. Kappes; U. F. Katz; E. Hilger; J. Rautenberg; A. Weber; A. Mastroberardino; E. Tassi; V. Adler; L. A. T. Bauerdick; I. Bloch; T. Haas; U. Klein; U. Koetz; G. Kramberger; E. Lobodzinska; R. Mankel; J. Ng; D. Notz; M. C. Petrucci; B. Surrow; G. Watt; C. Youngman; W. Zeuner; C. Coldewey; R. Heller; E. Gallo; T. Carli; V. Chiochia; D. Dannheim; E. Fretwurst; A. Garfagnini; R. Klanner; B. Koppitz; J. Martens; M. Milite; K. Tokushuku; I. Redondo; H. Boterenbrood; E....

eye 79

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In order to extend the tracking acceptance, to improve the primary and secondary vertex reconstruction and thus enhancing the tagging capabilities for short lived particles, the ZEUS experiment at the HERA Collider at DESY installed a silicon strip vertex detector. The barrel part of the detector is a 63 cm long cylinder with silicon sensors arranged around an elliptical beampipe. The forward part consists of four circular shaped disks. In total just over 200k channels are read out using $2.9...
Source: http://arxiv.org/abs/0708.3011v1

Arxiv.org

55 55

Cosmic Ray Composition and Energy Spectrum from 1-30 PeV Using the 40-String Configuration of IceTop and IceCube

Sep 20, 2013 09/13

eye 55

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The mass composition of high energy cosmic rays depends on their production, acceleration, and propagation. The study of cosmic ray composition can therefore reveal hints of the origin of these particles. At the South Pole, the IceCube Neutrino Observatory is capable of measuring two components of cosmic ray air showers in coincidence: the electromagnetic component at high altitude (2835 m) using the IceTop surface array, and the muonic component above ~1 TeV using the IceCube array. This...
Source: http://arxiv.org/abs/1207.3455v2

Arxiv.org

7 7.0

All-sky search for time-integrated neutrino emission from astrophysical sources with 7 years of IceCube data

Jun 29, 2018 06/18

by IceCube Collaboration; M. G. Aartsen; K. Abraham; M. Ackermann; J. Adams; J. A. Aguilar; M. Ahlers; M. Ahrens; D. Altmann; K. Andeen; T. Anderson; J. G. Gonzalez; D. Grant; Z. Griffith; C. Haack; A. Haj Ismail; A. Hallgren; F. Halzen; E. Hansen; T. Hansmann; K. Hanson; I. Ansseau; D. Hebecker; D. Heereman; K. Helbing; R. Hellauer; S. Hickford; J. Hignight; G. C. Hill; K. D. Hoffman; R. Hoffmann; K. Holzapfel; G. Anton; K. Hoshina; F. Huang; M. Huber; K. Hultqvist; S. In; A. Ishihara; E. Jacobi;...

eye 7

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Since the recent detection of an astrophysical flux of high energy neutrinos, the question of its origin has not yet fully been answered. Much of what is known about this flux comes from a small event sample of high neutrino purity, good energy resolution, but large angular uncertainties. In searches for point-like sources, on the other hand, the best performance is given by using large statistics and good angular reconstructions. Track-like muon events produced in neutrino interactions satisfy...
Topics: Astrophysics, High Energy Astrophysical Phenomena
Source: http://arxiv.org/abs/1609.04981

Arxiv.org

6 6.0

Coincidence of a high-fluence blazar outburst with a PeV-energy neutrino event

Jun 29, 2018 06/18

by M. Kadler; F. Krauß; K. Mannheim; R. Ojha; C. Müller; R. Schulz; G. Anton; W. Baumgartner; T. Beuchert; S. Buson; B. Carpenter; T. Eberl; P. G. Edwards; D. Eisenacher Glawion; D. Elsässer; N. Gehrels; C. Gräfe; H. Hase; S. Horiuchi; C. W. James; A. Kappes; U. Katz; A. Kreikenbohm; M. Kreter; I. Kreykenbohm; M. Langejahn; K. Leiter; E. Litzinger; F. Longo; J. E. J. Lovell; J. McEnery; C. Phillips; C. Plötz; J. Quick; E. Ros; F. W. Stecker; T. Steinbring; J. Stevens; D. J. Thompson; J....

eye 6

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The discovery of extraterrestrial very-high-energy neutrinos by the IceCube collaboration has launched a quest for the identification of their astrophysical sources. Gamma-ray blazars have been predicted to yield a cumulative neutrino signal exceeding the atmospheric background above energies of 100 TeV, assuming that both the neutrinos and the gamma-ray photons are produced by accelerated protons in relativistic jets. Since the background spectrum falls steeply with increasing energy, the...
Topics: Astrophysics, High Energy Astrophysical Phenomena, High Energy Physics - Phenomenology
Source: http://arxiv.org/abs/1602.02012

Arxiv.org

4 4.0

The IceCube Neutrino Observatory - Contributions to ICRC 2015 Part III: Cosmic Rays

Jun 28, 2018 06/18

eye 4

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Papers on cosmic rays submitted to the 34th International Cosmic Ray Conference (ICRC 2015, The Hague) by the IceCube Collaboration.
Topics: Astrophysics, High Energy Astrophysical Phenomena
Source: http://arxiv.org/abs/1510.05225

Arxiv.org

6 6.0

Search for non-relativistic Magnetic Monopoles with IceCube

Jun 30, 2018 06/18

by IceCube Collaboration; M. G. Aartsen; R. Abbasi; M. Ackermann; J. Adams; J. A. Aguilar; M. Ahlers; D. Altmann; C. Arguelles; T. C. Arlen; J. Auffenberg; A. Haj Ismail; P. Hallen; A. Hallgren; F. Halzen; K. Hanson; D. Hebecker; D. Heereman; D. Heinen; K. Helbing; R. Hellauer; X. Bai; S. Hickford; G. C. Hill; K. D. Hoffman; R. Hoffmann; A. Homeier; K. Hoshina; F. Huang; W. Huelsnitz; P. O. Hulth; K. Hultqvist; M. Baker; S. Hussain; A. Ishihara; E. Jacobi; J. Jacobsen; K. Jagielski; G. S....

eye 6

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The IceCube Neutrino Observatory is a large Cherenkov detector instrumenting $1\,\mathrm{km}^3$ of Antarctic ice. The detector can be used to search for signatures of particle physics beyond the Standard Model. Here, we describe the search for non-relativistic, magnetic monopoles as remnants of the GUT (Grand Unified Theory) era shortly after the Big Bang. These monopoles may catalyze the decay of nucleons via the Rubakov-Callan effect with a cross section suggested to be in the range of...
Topics: High Energy Astrophysical Phenomena, Astrophysics, Cosmology and Nongalactic Astrophysics
Source: http://arxiv.org/abs/1402.3460

Arxiv.org

44 44

Search for Galactic PeV Gamma Rays with the IceCube Neutrino Observatory

Sep 22, 2013 09/13

by IceCube collaboration; M. G. Aartsen; R. Abbasi; Y. Abdou; M. Ackermann; J. Adams; J. A. Aguilar; M. Ahlers; D. Altmann; K. Andeen; J. Auffenberg; X. Bai; M. Baker; S. W. Barwick; V. Baum; R. Bay; K. Beattie; J. J. Beatty; S. Bechet; J. Becker Tjus; K. -H. Becker; M. Bell; M. L. Benabderrahmane; S. BenZvi; J. Berdermann; P. Berghaus; D. Berley; E. Bernardini; D. Bertrand; D. Z. Besson; D. Bindig; M. Bissok; E. Blaufuss; J. Blumenthal; D. J. Boersma; S. Bohaichuk; C. Bohm; D. Bose1; S. Böser;...

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Gamma-ray induced air showers are notable for their lack of muons, compared to hadronic showers. Hence, air shower arrays with large underground muon detectors can select a sample greatly enriched in photon showers by rejecting showers containing muons. IceCube is sensitive to muons with energies above ~500 GeV at the surface, which provides an efficient veto system for hadronic air showers with energies above 1 PeV. One year of data from the 40-string IceCube configuration was used to perform...
Source: http://arxiv.org/abs/1210.7992v1

Arxiv.org

8 8.0

IceCube-Gen2 - The Next Generation Neutrino Observatory at the South Pole: Contributions to ICRC 2015

Jun 28, 2018 06/18

by The IceCube-Gen2 Collaboration; :; M. G. Aartsen; K. Abraham; M. Ackermann; J. Adams; J. A. Aguilar; M. Ahlers; M. Ahrens; D. Altmann; T. Anderson; L. Gerhardt; K. Ghorbani; D. Gier; L. Gladstone; M. Glagla; T. Glüsenkamp; A. Goldschmidt; G. Golup; J. G. Gonzalez; D. Góra; I. Ansseau; D. Grant; J. C. Groh; A. Groß; C. Ha; C. Haack; A. Haj Ismail; A. Hallgren; F. Halzen; B. Hansmann; K. Hanson; G. Anton; J. Haugen; D. Hebecker; D. Heereman; K. Helbing; R. Hellauer; D. Hellwig; S. Hickford; J....

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Papers submitted to the 34th International Cosmic Ray Conference (ICRC 2015, The Hague) by the IceCube-Gen2 Collaboration.
Topics: Physics, Instrumentation and Methods for Astrophysics, Astrophysics, Instrumentation and Detectors,...
Source: http://arxiv.org/abs/1510.05228

Arxiv.org

4 4.0

The IceCube Neutrino Observatory - Contributions to ICRC 2015 Part I: Point Source Searches

Jun 28, 2018 06/18

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Papers on point source searches submitted to the 34th International Cosmic Ray Conference (ICRC 2015, The Hague) by the IceCube Collaboration.
Topics: Astrophysics, High Energy Astrophysical Phenomena
Source: http://arxiv.org/abs/1510.05222

Arxiv.org

55 55

IceCube Sensitivity for Low-Energy Neutrinos from Nearby Supernovae

Sep 21, 2013 09/13

by IceCube Collaboration; R. Abbasi; Y. Abdou; T. Abu-Zayyad; M. Ackermann; J. Adams; J. A. Aguilar; M. Ahlers; M. M. Allen; D. Altmann; K. Andeen; J. Auffenberg; X. Bai; M. Baker; S. W. Barwick; V. Baum; R. Bay; J. L. Bazo Alba; K. Beattie; J. J. Beatty; S. Bechet; J. K. Becker; K. -H. Becker; M. L. Benabderrahmane; S. BenZvi; J. Berdermann; P. Berghaus; D. Berley; E. Bernardini; D. Bertrand; D. Z. Besson; D. Bindig; M. Bissok; E. Blaufuss; J. Blumenthal; D. J. Boersma; C. Bohm; D. Bose; S....

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This paper describes the response of the IceCube neutrino telescope located at the geographic South Pole to outbursts of MeV neutrinos from the core collapse of nearby massive stars. IceCube was completed in December 2010 forming a lattice of 5160 photomultiplier tubes that monitor a volume of ~ 1 cubic kilometer in the deep Antarctic ice for particle induced photons. The telescope was designed to detect neutrinos with energies greater than 100 GeV. Owing to subfreezing ice temperatures, the...
Source: http://arxiv.org/abs/1108.0171v2

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