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58 58

DASI Three-Year Cosmic Microwave Background Polarization Results

Sep 22, 2013 09/13

by Erik M. Leitch; J. M. Kovac; N. W. Halverson; J. E. Carlstrom; C. Pryke; M. W. E. Smith

eye 58

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We present the analysis of the complete 3-year data set obtained with the Degree Angular Scale Interferometer (DASI) polarization experiment, operating from the Amundsen-Scott South Pole research station. Additional data obtained at the end of the 2002 Austral winter and throughout the 2003 season were added to the data from which the first detection of polarization of the cosmic microwave background radiation was reported. The analysis of the combined data supports, with increased statistical...
Source: http://arxiv.org/abs/astro-ph/0409357v1

Arxiv.org

52 52

Background Studies for the Neutral Current Detector Array in the Sudbury Neutrino Observatory

Sep 18, 2013 09/13

by K. M. Heeger; P. J. Doe; S. R. Elliott; R. G. H. Robertson; M. W. E. Smith; T. D. Steiger; J. F. Wilkerson

eye 52

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An array of 3He-filled proportional counters will be used in the Sudbury Neutrino Observatory to measure the neutral-current interaction of neutrinos and deuterium. We describe the backgrounds to this detection method.
Source: http://arxiv.org/abs/nucl-ex/0002014v1

Arxiv.org

60 60

The Astrophysical Multimessenger Observatory Network (AMON)

Sep 18, 2013 09/13

by M. W. E. Smith; D. B. Fox; D. F. Cowen; P. Mészáros; G. Tešić; J. Fixelle; I. Bartos; P. Sommers; Abhay Ashtekar; G. Jogesh Babu; S. D. Barthelmy; S. Coutu; T. DeYoung; A. D. Falcone; L. S. Finn; Shan Gao; B. Hashemi; A. Homeier; S. Márka; B. J. Owen; I. Taboada

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We summarize the science opportunity, design elements, current and projected partner observatories, and anticipated science returns of the Astrophysical Multimessenger Observatory Network (AMON). AMON will link multiple current and future high-energy, multimessenger, and follow-up observatories together into a single network, enabling near real-time coincidence searches for multimessenger astrophysical transients and their electromagnetic counterparts. Candidate and high-confidence...
Source: http://arxiv.org/abs/1211.5602v1

Arxiv.org

83 83

A Monte Carlo simulation of the Sudbury Neutrino Observatory proportional counters

Sep 21, 2013 09/13

by B. Beltran; H. Bichsel; B. Cai; H. Deng; J. A. Formaggio; S. Habib; A. L. Hallin; A. Hime; M. Huang; C. Kraus; H. R. Leslie; J. C. Loach; R. Martin; S. McGee; M. L. Miller; B. Monreal; J. Monroe; N. S. Oblath; S. J. M. Peeters; A. W. P. Poon; G. Prior; K. Rielage; R. G. H. Robertson; M. W. E. Smith; L. C. Stonehill; N. Tolich; T. Van Wechel; H. Wan Chan Tseung; J. Wendland; J. F. Wilkerson; A. Wright

eye 83

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The third phase of the Sudbury Neutrino Observatory (SNO) experiment added an array of 3He proportional counters to the detector. The purpose of this Neutral Current Detection (NCD) array was to observe neutrons resulting from neutral-current solar neutrino-deuteron interactions. We have developed a detailed simulation of the current pulses from the NCD array proportional counters, from the primary neutron capture on 3He through the NCD array signal-processing electronics. This NCD array Monte...
Source: http://arxiv.org/abs/1104.2573v1

Arxiv.org

69 69

An array of low-background $^3$He proportional counters for the Sudbury Neutrino Observatory

Sep 18, 2013 09/13

by J. F. Amsbaugh; J. M. Anaya; J. Banar; T. J. Bowles; M. C. Browne; T. V. Bullard; T. H. Burritt; G. A. Cox-Mobrand; X. Dai; H. Deng; M. Di Marco; P. J. Doe; M. R. Dragowsky; C. A. Duba; F. A. Duncan; E. D. Earle; S. R. Elliott; E. -I. Esch; H. Fergani; J. A. Formaggio; M. M. Fowler; J. E. Franklin; P. Geissbühler; J. V. Germani; A. Goldschmidt; E. Guillian; A. L. Hallin; G. Harper; P. J. Harvey; R. Hazama; K. M. Heeger; J. Heise; A. Hime; M. A. Howe; M. Huang; L. L. Kormos; C. Kraus; C. B....

eye 69

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An array of Neutral-Current Detectors (NCDs) has been built in order to make a unique measurement of the total active flux of solar neutrinos in the Sudbury Neutrino Observatory (SNO). Data in the third phase of the SNO experiment were collected between November 2004 and November 2006, after the NCD array was added to improve the neutral-current sensitivity of the SNO detector. This array consisted of 36 strings of proportional counters filled with a mixture of $^3$He and CF$_4$ gas capable of...
Source: http://arxiv.org/abs/0705.3665v1

Arxiv.org

59 59

A Search for UHE Tau Neutrinos 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; 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. 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. Bose1; S. Böser; O. Botner; L....

eye 59

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The first dedicated search for ultra-high energy (UHE) tau neutrinos of astrophysical origin was performed using the IceCube detector in its 22-string configuration with an instrumented volume of roughly 0.25 km^3. The search also had sensitivity to UHE electron and muon neutrinos. After application of all selection criteria to approximately 200 live-days of data, we expect a background of 0.60 +/- 0.19 (stat.) $^{+0.56}_{-0.58}$ (syst.) events and observe three events, which after inspection...
Source: http://arxiv.org/abs/1202.4564v3

Arxiv.org

57 57

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 57

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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

51 51

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 51

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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

73 73

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 73

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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

84 84

Measurement of South Pole ice transparency with the IceCube LED calibration system

Sep 21, 2013 09/13

by IceCube Collaboration; M. G. Aartsen; R. Abbasi; Y. Abdou; M. Ackermann; J. Adams; J. A. Aguilar; M. Ahlers; D. Altmann; J. Auffenberg; X. Bai; M. Baker; S. W. Barwick; V. Baum; R. Bay; 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; A. Bernhard; D. Bertrand; D. Z. Besson; G. Binder; D. Bindig; M. Bissok; E. Blaufuss; J. Blumenthal; D. J. Boersma; S. Bohaichuk; C. Bohm; D. Bose; S. Böser;...

eye 84

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The IceCube Neutrino Observatory, approximately 1 km^3 in size, is now complete with 86 strings deployed in the Antarctic ice. IceCube detects the Cherenkov radiation emitted by charged particles passing through or created in the ice. To realize the full potential of the detector, the properties of light propagation in the ice in and around the detector must be well understood. This report presents a new method of fitting the model of light propagation in the ice to a data set of in-situ light...
Source: http://arxiv.org/abs/1301.5361v1

Arxiv.org

62 62

Observation of Cosmic Ray Anisotropy with the IceTop Air Shower Array

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. Bose; S. Böser; O....

eye 62

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We report on the observation of anisotropy in the arrival direction distribution of cosmic rays at PeV energies. The analysis is based on data taken between 2009 and 2012 with the IceTop air shower array at the South Pole. IceTop, an integral part of the IceCube detector, is sensitive to cosmic rays between 100 TeV and 1 EeV. With the current size of the IceTop data set, searches for anisotropy at the 10^-3 level can, for the first time, be extended to PeV energies. We divide the data set into...
Source: http://arxiv.org/abs/1210.5278v4

Arxiv.org

157 157

First observation of PeV-energy neutrinos with IceCube

Sep 17, 2013 09/13

eye 157

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We report on the observation of two neutrino-induced events which have an estimated deposited energy in the IceCube detector of 1.04 $\pm$ 0.16 and 1.14 $\pm$ 0.17 PeV, respectively, the highest neutrino energies observed so far. These events are consistent with fully contained particle showers induced by neutral-current $\nu_{e,\mu,\tau}$ ($\bar\nu_{e,\mu,\tau}$) or charged-current $\nu_{e}$ ($\bar\nu_{e}$) interactions within the IceCube detector. The events were discovered in a search for...
Source: http://arxiv.org/abs/1304.5356v2

Arxiv.org

51 51

Measurement of the Atmospheric $ν_e$ flux in IceCube

Sep 23, 2013 09/13

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We report the first measurement of the atmospheric electron neutrino flux in the energy range between approximately 80 GeV and 6 TeV, using data recorded during the first year of operation of IceCube's DeepCore low energy extension. Techniques to identify neutrinos interacting within the DeepCore volume and veto muons originating outside the detector are demonstrated. A sample of 1029 events is observed in 281 days of data, of which 496 $\pm$ 66(stat.) $\pm$ 88(syst.) are estimated to be...
Source: http://arxiv.org/abs/1212.4760v2

Arxiv.org

64 64

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 64

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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

124 124

Search for dark matter annihilations in the Sun with the 79-string IceCube detector

Sep 23, 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;...

eye 124

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We have performed a search for muon neutrinos from dark matter annihilation in the center of the Sun with the 79-string configuration of the IceCube neutrino telescope. For the first time, the DeepCore sub-array is included in the analysis, lowering the energy threshold and extending the search to the austral summer. The 317 days of data collected between June 2010 and May 2011 are consistent with the expected background from atmospheric muons and neutrinos. Upper limits are therefore set on...
Source: http://arxiv.org/abs/1212.4097v2

Arxiv.org

10 10.0

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....

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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

66 66

Searches for high-energy neutrino emission in the Galaxy with the combined IceCube-AMANDA detector

Sep 22, 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....

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We report on searches for neutrino sources at energies above 200 GeV in the Northern sky of the galactic plane, using the data collected by the South Pole neutrino telescopes IceCube and AMANDA. The galactic region considered here includes the Local Arm towards the Cygnus region and our closest approach to the Perseus Arm. The data have been collected between 2007 and 2009 when AMANDA was an integrated part of IceCube, which was still under construction and operated with 22-strings (2007-8) and...
Source: http://arxiv.org/abs/1210.3273v2

Arxiv.org

74 74

Use of event-level neutrino telescope data in global fits for theories of new physics

Sep 20, 2013 09/13

by P. Scott; C. Savage; J. Edsjö; 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....

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We present a fast likelihood method for including event-level neutrino telescope data in parameter explorations of theories for new physics, and announce its public release as part of DarkSUSY 5.0.6. Our construction includes both angular and spectral information about neutrino events, as well as their total number. We also present a corresponding measure for simple model exclusion, which can be used for single models without reference to the rest of a parameter space. We perform a number of...
Source: http://arxiv.org/abs/1207.0810v2

Arxiv.org

56 56

Search for Galactic PeV Gamma Rays with the IceCube Neutrino Observatory

Sep 22, 2013 09/13

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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

59 59

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....

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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

13 13

Atmospheric and Astrophysical Neutrinos above 1 TeV Interacting in 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; A. Haj Ismail; P. Hallen; A. Hallgren; F. Halzen; K. Hanson; D. Hebecker; D. Heereman; D. Heinen; K. Helbing; R. Hellauer; X. Bai; D. Hellwig; S. Hickford; G. C. Hill; K. D. Hoffman; R. Hoffmann; A. Homeier; K. Hoshina; F. Huang; W. Huelsnitz; P. O. Hulth; S. W. Barwick; K. Hultqvist; S. Hussain; A. Ishihara; E. Jacobi; J. Jacobsen; K. Jagielski; G. S....

eye 13

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The IceCube Neutrino Observatory was designed primarily to search for high-energy (TeV--PeV) neutrinos produced in distant astrophysical objects. A search for $\gtrsim 100$~TeV neutrinos interacting inside the instrumented volume has recently provided evidence for an isotropic flux of such neutrinos. At lower energies, IceCube collects large numbers of neutrinos from the weak decays of mesons in cosmic-ray air showers. Here we present the results of a search for neutrino interactions inside...
Topics: High Energy Astrophysical Phenomena, Astrophysics
Source: http://arxiv.org/abs/1410.1749

Arxiv.org

20 20

$Measurement of the Atmospheric $\nu_e$ Spectrum with IceCube$

Measurement of the Atmospheric $\nu_e$ Spectrum with IceCube

Jun 27, 2018 06/18

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

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We present a measurement of the atmospheric $\nu_e$ spectrum at energies between 0.1 TeV and 100 TeV using data from the first year of the complete IceCube detector. Atmospheric $\nu_e$ originate mainly from the decays of kaons produced in cosmic-ray air showers. This analysis selects 1078 fully contained events in 332 days of livetime, then identifies those consistent with particle showers. A likelihood analysis with improved event selection extends our previous measurement of the conventional...
Topics: High Energy Astrophysical Phenomena, Astrophysics
Source: http://arxiv.org/abs/1504.03753

Arxiv.org

6 6.0

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

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....

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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

13 13

Observation of High-Energy Astrophysical Neutrinos in Three Years of IceCube Data

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; F. Halzen; K. Hanson; D. Hebecker; D. Heereman; D. Heinen; K. Helbing; R. Hellauer; D. Hellwig; S. Hickford; G. C. Hill; X. Bai; K. D. Hoffman; R. Hoffmann; A. Homeier; K. Hoshina; F. Huang; W. Huelsnitz; P. O. Hulth; K. Hultqvist; S. Hussain; A. Ishihara; S. W. Barwick; E. Jacobi; J. Jacobsen; K. Jagielski; G. S. Japaridze; K. Jero; O. Jlelati; M....

eye 13

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A search for high-energy neutrinos interacting within the IceCube detector between 2010 and 2012 provided the first evidence for a high-energy neutrino flux of extraterrestrial origin. Results from an analysis using the same methods with a third year (2012-2013) of data from the complete IceCube detector are consistent with the previously reported astrophysical flux in the 100 TeV - PeV range at the level of $10^{-8}\, \mathrm{GeV}\, \mathrm{cm}^{-2}\, \mathrm{s}^{-1}\, \mathrm{sr}^{-1}$ per...
Topics: High Energy Physics - Experiment, High Energy Astrophysical Phenomena, Astrophysics, Cosmology and...
Source: http://arxiv.org/abs/1405.5303

Arxiv.org

13 13

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 13

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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

9 9.0

Search for Prompt Neutrino Emission from Gamma-Ray Bursts with IceCube

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; A. Ishihara; E. Jacobi; J. Jacobsen; G. S. Japaridze; K. Jero;...

eye 9

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We present constraints derived from a search of four years of IceCube data for a prompt neutrino flux from gamma-ray bursts (GRBs). A single low-significance neutrino, compatible with the atmospheric neutrino background, was found in coincidence with one of the 506 observed bursts. Although GRBs have been proposed as candidate sources for ultra-high energy cosmic rays, our limits on the neutrino flux disfavor much of the parameter space for the latest models. We also find that no more than...
Topics: High Energy Astrophysical Phenomena, Astrophysics
Source: http://arxiv.org/abs/1412.6510

Arxiv.org

37 37

Characterization of the Atmospheric Muon Flux 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; M. Archinger; G. Golup; J. G. Gonzalez; D. Góra; D. Grant; P. Gretskov; J. C. Groh; A. Groß; C. Ha; C. Haack; A. Haj Ismail; C. Arguelles; A. Hallgren; F. Halzen; B. Hansmann; K. Hanson; D. Hebecker; D. Heereman; K. Helbing; R. Hellauer; D. Hellwig; S. Hickford; T. C. Arlen; J. Hignight; G. C. Hill; K. D. Hoffman; R. Hoffmann; K. Holzapfe; A. Homeier; K....

eye 37

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Muons produced in atmospheric cosmic ray showers account for the by far dominant part of the event yield in large-volume underground particle detectors. The IceCube detector, with an instrumented volume of about a cubic kilometer, has the potential to conduct unique investigations on atmospheric muons by exploiting the large collection area and the possibility to track particles over a long distance. Through detailed reconstruction of energy deposition along the tracks, the characteristics of...
Topics: High Energy Astrophysical Phenomena, Astrophysics
Source: http://arxiv.org/abs/1506.07981

Arxiv.org

22 22

A combined maximum-likelihood analysis of the high-energy astrophysical neutrino flux measured 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 22

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Evidence for an extraterrestrial flux of high-energy neutrinos has now been found in multiple searches with the IceCube detector. The first solid evidence was provided by a search for neutrino events with deposited energies $\gtrsim30$ TeV and interaction vertices inside the instrumented volume. Recent analyses suggest that the extraterrestrial flux extends to lower energies and is also visible with throughgoing, $\nu_\mu$-induced tracks from the Northern hemisphere. Here, we combine the...
Topics: High Energy Astrophysical Phenomena, Astrophysics
Source: http://arxiv.org/abs/1507.03991

Arxiv.org

6 6.0

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

Jun 28, 2018 06/18

eye 6

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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

9 9.0

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 9

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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

33 33

Searches for Time Dependent Neutrino Sources with IceCube Data from 2008 to 2012

Jun 27, 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; A. Groß; C. Ha; C. Haack; A. Haj Ismail; P. Hallen; A. Hallgren; F. Halzen; K. Hanson; D. Hebecker; D. Heereman; X. Bai; D. Heinen; K. Helbing; R. Hellauer; D. Hellwig; S. Hickford; J. Hignight; G. C. Hill; K. D. Hoffman; R. Hoffmann; A. Homeier; M. Baker; K. Hoshina; F. Huang; W. Huelsnitz; P. O. Hulth; K. Hultqvist; S. In; A. Ishihara; E. Jacobi; J....

eye 33

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In this paper searches for flaring astrophysical neutrino sources and sources with periodic emission with the IceCube neutrino telescope are presented. In contrast to time integrated searches, where steady emission is assumed, the analyses presented here look for a time dependent signal of neutrinos using the information from the neutrino arrival times to enhance the discovery potential. A search was performed for correlations between neutrino arrival times and directions as well as neutrino...
Topics: High Energy Astrophysical Phenomena, Astrophysics
Source: http://arxiv.org/abs/1503.00598

Arxiv.org

34 34

Search for Dark Matter Annihilation in the Galactic Center with IceCube-79

Jun 27, 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; D. Góra; D. Grant; P. Gretskov; J. C. Groh; A. Groß; C. Ha; C. Haack; A. Haj Ismail; A. Hallgren; F. Halzen; C. Arguelles; B. Hansmann; K. Hanson; D. Hebecker; D. Heereman; K. Helbing; R. Hellauer; D. Hellwig; S. Hickford; J. Hignight; G. C. Hill; T. C. Arlen; K. D. Hoffman; R. Hoffmann; K. Holzapfe; A. Homeier; K. Hoshina; F. Huang; M. Huber;...

eye 34

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The Milky Way is expected to be embedded in a halo of dark matter particles, with the highest density in the central region, and decreasing density with the halo-centric radius. Dark matter might be indirectly detectable at Earth through a flux of stable particles generated in dark matter annihilations and peaked in the direction of the Galactic Center. We present a search for an excess flux of muon (anti-) neutrinos from dark matter annihilation in the Galactic Center using the...
Topics: High Energy Astrophysical Phenomena, Astrophysics
Source: http://arxiv.org/abs/1505.07259

Arxiv.org

21 21

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 21

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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

10 10.0

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

Jun 28, 2018 06/18

eye 10

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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

25 25

Search for Astrophysical Tau Neutrinos in Three Years of IceCube Data

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; 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; E. Hansen; B. Hansmann; K. Hanson; D. Hebecker; D. Heereman; K. Helbing; R. Hellauer; S. Hickford; J. Hignight; C. Arguelles; G. C. Hill; K. D. Hoffman; R. Hoffmann; K. Holzapfel; A. Homeier; K. Hoshina; F. Huang;...

eye 25

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The IceCube Neutrino Observatory has observed a diffuse flux of TeV-PeV astrophysical neutrinos at 5.7{\sigma} significance from an all-flavor search. The direct detection of tau neutrinos in this flux has yet to occur. Tau neutrinos become distinguishable from other flavors in IceCube at energies above a few hundred TeV, when the cascade from the tau neutrino charged current interaction becomes resolvable from the cascade from the tau lepton decay. This paper presents results from a dedicated...
Topics: High Energy Astrophysical Phenomena, Astrophysics
Source: http://arxiv.org/abs/1509.06212

Arxiv.org

12 12

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 12

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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

6 6.0

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

Jun 28, 2018 06/18

eye 6

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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

15 15

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 15

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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

12 12

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

Jun 30, 2018 06/18

eye 12

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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

19 19

Flavor Ratio of Astrophysical Neutrinos above 35 TeV in IceCube

Jun 26, 2018 06/18

eye 19

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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

9 9.0

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

Jun 28, 2018 06/18

eye 9

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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

26 26

Evidence for Astrophysical Muon Neutrinos from the Northern Sky with IceCube

Jun 28, 2018 06/18

eye 26

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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

14 14

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....

eye 14

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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

10 10.0

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 10

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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

26 26

Detection of a Type IIn Supernova in Optical Follow-up Observations of IceCube Neutrino Events

Jun 27, 2018 06/18

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

eye 26

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The IceCube neutrino observatory pursues a follow-up program selecting interesting neutrino events in real-time and issuing alerts for electromagnetic follow-up observations. In March 2012, the most significant neutrino alert during the first three years of operation was issued by IceCube. In the follow-up observations performed by the Palomar Transient Factory (PTF), a Type IIn supernova (SN) PTF12csy was found $0.2^\circ$ away from the neutrino alert direction, with an error radius of...
Topics: High Energy Astrophysical Phenomena, Astrophysics
Source: http://arxiv.org/abs/1506.03115

Arxiv.org

22 22

The IceCube Neutrino Observatory, the Pierre Auger Observatory and the Telescope Array: Joint Contribution to the 34th International Cosmic Ray Conference (ICRC 2015)

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; 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 22

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We have conducted three searches for correlations between ultra-high energy cosmic rays detected by the Telescope Array and the Pierre Auger Observatory, and high-energy neutrino candidate events from IceCube. Two cross-correlation analyses with UHECRs are done: one with 39 cascades from the IceCube `high-energy starting events' sample and the other with 16 high-energy `track events'. The angular separation between the arrival directions of neutrinos and UHECRs is scanned over. The same events...
Topics: High Energy Physics - Experiment, Astrophysics, Instrumentation and Methods for Astrophysics, High...
Source: http://arxiv.org/abs/1511.02109

Arxiv.org

15 15

Multimessenger Search for Sources of Gravitational Waves and High-Energy Neutrinos: Results for Initial LIGO-Virgo and IceCube

Jun 30, 2018 06/18

by The IceCube Collaboration; The LIGO Scientific Collaboration; The Virgo Collaboration; M. G. Aartsen; M. Ackermann; J. Adams; J. A. Aguilar; M. Ahlers; M. Ahrens; D. Altmann; T. Anderson; C. Haack; F. Salemi; L. Sammut; V. Sandberg; J. R. Sanders; S. Sankar; V. Sannibale; I. Santiago-Prieto; E. Saracco; B. Sassolas; B. S. Sathyaprakash; A. Haj Ismail; P. R. Saulson; R. Savage; J. Scheuer; R. Schilling; M. Schilman; P. Schmidt; R. Schnabel; R. M. S. Schofield; E. Schreiber; D. Schuette; P....

eye 15

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We report the results of a multimessenger search for coincident signals from the LIGO and Virgo gravitational-wave observatories and the partially completed IceCube high-energy neutrino detector, including periods of joint operation between 2007-2010. These include parts of the 2005-2007 run and the 2009-2010 run for LIGO-Virgo, and IceCube's observation periods with 22, 59 and 79 strings. We find no significant coincident events, and use the search results to derive upper limits on the rate of...
Topics: High Energy Astrophysical Phenomena, Astrophysics
Source: http://arxiv.org/abs/1407.1042

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Media Type

Year

Topics & Subjects

Collection

Creator

Language