Evidence for Astrophysical Muon Neutrinos from the Northern Sky with IceCube
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 data set consisting primarily of ν(e) and ν(τ) charged-current and neutral-current (cascade) neutrino int...
Ausführliche Beschreibung
Autor*in: |
Aartsen, M G [verfasserIn] |
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Artikel |
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Sprache: |
Englisch |
Erschienen: |
2015 |
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Systematik: |
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Übergeordnetes Werk: |
Enthalten in: Physical review letters - Ridge, NY : American Physical Society, 1958, 115(2015), 8 |
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Übergeordnetes Werk: |
volume:115 ; year:2015 ; number:8 |
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DOI / URN: |
10.1103/PhysRevLett.115.081102 |
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Katalog-ID: |
OLC196281212X |
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520 | |a 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 data set consisting primarily of ν(e) and ν(τ) 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 is extracted from data taken during 659.5 days of live time recorded between May 2010 and May 2012. While this sample is composed primarily of neutrinos produced by cosmic ray interactions in Earth's atmosphere, the highest energy events are inconsistent with a hypothesis of solely terrestrial origin at 3.7σ significance. These neutrinos can, however, be explained by an astrophysical flux per neutrino flavor at a level of Φ(E(ν))=9.9(-3.4)(+3.9)×10(-19) GeV(-1) cm(-2) sr(-1) s(-1)(E(ν)/100 TeV(-2), consistent with IceCube's Southern-Hemisphere-dominated result. Additionally, a fit for an astrophysical flux with an arbitrary spectral index is performed. We find a spectral index of 2.2(-0.2)(+0.2), which is also in good agreement with the Southern Hemisphere result. | ||
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10.1103/PhysRevLett.115.081102 doi PQ20160617 (DE-627)OLC196281212X (DE-599)GBVOLC196281212X (PRQ)a2053-e158176ea8a82f0f2366c35853bf25aa50764888f82630a3fbb32c56dd45ef4d0 (KEY)0009201020150000115000800000evidenceforastrophysicalmuonneutrinosfromthenorthe DE-627 ger DE-627 rakwb eng 550 DNB UA 1000 AVZ rvk Aartsen, M G verfasserin aut Evidence for Astrophysical Muon Neutrinos from the Northern Sky with IceCube 2015 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier 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 data set consisting primarily of ν(e) and ν(τ) 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 is extracted from data taken during 659.5 days of live time recorded between May 2010 and May 2012. While this sample is composed primarily of neutrinos produced by cosmic ray interactions in Earth's atmosphere, the highest energy events are inconsistent with a hypothesis of solely terrestrial origin at 3.7σ significance. These neutrinos can, however, be explained by an astrophysical flux per neutrino flavor at a level of Φ(E(ν))=9.9(-3.4)(+3.9)×10(-19) GeV(-1) cm(-2) sr(-1) s(-1)(E(ν)/100 TeV(-2), consistent with IceCube's Southern-Hemisphere-dominated result. Additionally, a fit for an astrophysical flux with an arbitrary spectral index is performed. We find a spectral index of 2.2(-0.2)(+0.2), which is also in good agreement with the Southern Hemisphere result. High Energy Astrophysical Phenomena Astrophysics Abraham, K oth Ackermann, M oth Adams, J oth Aguilar, J A oth Ahlers, M oth Ahrens, M oth Altmann, D oth Anderson, T oth Archinger, M oth Arguelles, C oth Arlen, T C oth Auffenberg, J oth Bai, X oth Barwick, S W oth Baum, V oth Bay, R oth Beatty, J J oth Tjus, J Becker oth Becker, K-H oth Beiser, E oth BenZvi, S oth Berghaus, P oth Berley, D oth Bernardini, E oth Bernhard, A oth Besson, D Z oth Binder, G oth Bindig, D oth Bissok, M oth Blaufuss, E oth Blumenthal, J oth Boersma, D J oth Bohm, C oth Börner, M oth Bos, F oth Bose, D oth Böser, S oth Botner, O oth Braun, J oth Brayeur, L oth Bretz, H-P oth Brown, A M oth Buzinsky, N oth Casey, J oth Casier, M oth Cheung, E oth Chirkin, D oth Christov, A oth Christy, B oth Clark, K oth Classen, L oth Coenders, S oth Cowen, D F oth Silva, A H Cruz oth Daughhetee, J oth Davis, J C oth Day, M oth de André, J P A M oth De Clercq, C oth Dembinski, H oth De Ridder, S oth Desiati, P oth de Vries, K D oth de Wasseige, G oth de With, M oth DeYoung, T oth Díaz-Vélez, J C oth Dumm, J P oth Dunkman, M oth Eagan, R oth Eberhardt, B oth Ehrhardt, T oth Eichmann, B oth Euler, S oth Evenson, P A oth Fadiran, O oth Fahey, S oth Fazely, A R oth Fedynitch, A oth Feintzeig, J oth Felde, J oth Filimonov, K oth Finley, C oth Fischer-Wasels, T oth Flis, S oth Fuchs, T oth Glagla, M oth Gaisser, T K oth Gaior, R oth Gallagher, J oth Gerhardt, L oth Ghorbani, K oth Gier, D oth Gladstone, L oth Glüsenkamp, T oth Goldschmidt, A oth Golup, G oth Gonzalez, J G oth Goodman, J A oth ... oth Enthalten in Physical review letters Ridge, NY : American Physical Society, 1958 115(2015), 8 (DE-627)129503959 (DE-600)208853-8 (DE-576)014907267 0031-9007 nnns volume:115 year:2015 number:8 http://dx.doi.org/10.1103/PhysRevLett.115.081102 Volltext http://www.ncbi.nlm.nih.gov/pubmed/26340177 http://arxiv.org/abs/1507.04005 http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-262425 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY GBV_ILN_21 GBV_ILN_22 GBV_ILN_40 GBV_ILN_47 GBV_ILN_55 GBV_ILN_59 GBV_ILN_60 GBV_ILN_70 GBV_ILN_130 GBV_ILN_2004 GBV_ILN_2016 GBV_ILN_2095 GBV_ILN_2192 GBV_ILN_2279 GBV_ILN_2286 UA 1000 AR 115 2015 8 |
spelling |
10.1103/PhysRevLett.115.081102 doi PQ20160617 (DE-627)OLC196281212X (DE-599)GBVOLC196281212X (PRQ)a2053-e158176ea8a82f0f2366c35853bf25aa50764888f82630a3fbb32c56dd45ef4d0 (KEY)0009201020150000115000800000evidenceforastrophysicalmuonneutrinosfromthenorthe DE-627 ger DE-627 rakwb eng 550 DNB UA 1000 AVZ rvk Aartsen, M G verfasserin aut Evidence for Astrophysical Muon Neutrinos from the Northern Sky with IceCube 2015 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier 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 data set consisting primarily of ν(e) and ν(τ) 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 is extracted from data taken during 659.5 days of live time recorded between May 2010 and May 2012. While this sample is composed primarily of neutrinos produced by cosmic ray interactions in Earth's atmosphere, the highest energy events are inconsistent with a hypothesis of solely terrestrial origin at 3.7σ significance. These neutrinos can, however, be explained by an astrophysical flux per neutrino flavor at a level of Φ(E(ν))=9.9(-3.4)(+3.9)×10(-19) GeV(-1) cm(-2) sr(-1) s(-1)(E(ν)/100 TeV(-2), consistent with IceCube's Southern-Hemisphere-dominated result. Additionally, a fit for an astrophysical flux with an arbitrary spectral index is performed. We find a spectral index of 2.2(-0.2)(+0.2), which is also in good agreement with the Southern Hemisphere result. High Energy Astrophysical Phenomena Astrophysics Abraham, K oth Ackermann, M oth Adams, J oth Aguilar, J A oth Ahlers, M oth Ahrens, M oth Altmann, D oth Anderson, T oth Archinger, M oth Arguelles, C oth Arlen, T C oth Auffenberg, J oth Bai, X oth Barwick, S W oth Baum, V oth Bay, R oth Beatty, J J oth Tjus, J Becker oth Becker, K-H oth Beiser, E oth BenZvi, S oth Berghaus, P oth Berley, D oth Bernardini, E oth Bernhard, A oth Besson, D Z oth Binder, G oth Bindig, D oth Bissok, M oth Blaufuss, E oth Blumenthal, J oth Boersma, D J oth Bohm, C oth Börner, M oth Bos, F oth Bose, D oth Böser, S oth Botner, O oth Braun, J oth Brayeur, L oth Bretz, H-P oth Brown, A M oth Buzinsky, N oth Casey, J oth Casier, M oth Cheung, E oth Chirkin, D oth Christov, A oth Christy, B oth Clark, K oth Classen, L oth Coenders, S oth Cowen, D F oth Silva, A H Cruz oth Daughhetee, J oth Davis, J C oth Day, M oth de André, J P A M oth De Clercq, C oth Dembinski, H oth De Ridder, S oth Desiati, P oth de Vries, K D oth de Wasseige, G oth de With, M oth DeYoung, T oth Díaz-Vélez, J C oth Dumm, J P oth Dunkman, M oth Eagan, R oth Eberhardt, B oth Ehrhardt, T oth Eichmann, B oth Euler, S oth Evenson, P A oth Fadiran, O oth Fahey, S oth Fazely, A R oth Fedynitch, A oth Feintzeig, J oth Felde, J oth Filimonov, K oth Finley, C oth Fischer-Wasels, T oth Flis, S oth Fuchs, T oth Glagla, M oth Gaisser, T K oth Gaior, R oth Gallagher, J oth Gerhardt, L oth Ghorbani, K oth Gier, D oth Gladstone, L oth Glüsenkamp, T oth Goldschmidt, A oth Golup, G oth Gonzalez, J G oth Goodman, J A oth ... oth Enthalten in Physical review letters Ridge, NY : American Physical Society, 1958 115(2015), 8 (DE-627)129503959 (DE-600)208853-8 (DE-576)014907267 0031-9007 nnns volume:115 year:2015 number:8 http://dx.doi.org/10.1103/PhysRevLett.115.081102 Volltext http://www.ncbi.nlm.nih.gov/pubmed/26340177 http://arxiv.org/abs/1507.04005 http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-262425 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY GBV_ILN_21 GBV_ILN_22 GBV_ILN_40 GBV_ILN_47 GBV_ILN_55 GBV_ILN_59 GBV_ILN_60 GBV_ILN_70 GBV_ILN_130 GBV_ILN_2004 GBV_ILN_2016 GBV_ILN_2095 GBV_ILN_2192 GBV_ILN_2279 GBV_ILN_2286 UA 1000 AR 115 2015 8 |
allfields_unstemmed |
10.1103/PhysRevLett.115.081102 doi PQ20160617 (DE-627)OLC196281212X (DE-599)GBVOLC196281212X (PRQ)a2053-e158176ea8a82f0f2366c35853bf25aa50764888f82630a3fbb32c56dd45ef4d0 (KEY)0009201020150000115000800000evidenceforastrophysicalmuonneutrinosfromthenorthe DE-627 ger DE-627 rakwb eng 550 DNB UA 1000 AVZ rvk Aartsen, M G verfasserin aut Evidence for Astrophysical Muon Neutrinos from the Northern Sky with IceCube 2015 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier 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 data set consisting primarily of ν(e) and ν(τ) 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 is extracted from data taken during 659.5 days of live time recorded between May 2010 and May 2012. While this sample is composed primarily of neutrinos produced by cosmic ray interactions in Earth's atmosphere, the highest energy events are inconsistent with a hypothesis of solely terrestrial origin at 3.7σ significance. These neutrinos can, however, be explained by an astrophysical flux per neutrino flavor at a level of Φ(E(ν))=9.9(-3.4)(+3.9)×10(-19) GeV(-1) cm(-2) sr(-1) s(-1)(E(ν)/100 TeV(-2), consistent with IceCube's Southern-Hemisphere-dominated result. Additionally, a fit for an astrophysical flux with an arbitrary spectral index is performed. We find a spectral index of 2.2(-0.2)(+0.2), which is also in good agreement with the Southern Hemisphere result. High Energy Astrophysical Phenomena Astrophysics Abraham, K oth Ackermann, M oth Adams, J oth Aguilar, J A oth Ahlers, M oth Ahrens, M oth Altmann, D oth Anderson, T oth Archinger, M oth Arguelles, C oth Arlen, T C oth Auffenberg, J oth Bai, X oth Barwick, S W oth Baum, V oth Bay, R oth Beatty, J J oth Tjus, J Becker oth Becker, K-H oth Beiser, E oth BenZvi, S oth Berghaus, P oth Berley, D oth Bernardini, E oth Bernhard, A oth Besson, D Z oth Binder, G oth Bindig, D oth Bissok, M oth Blaufuss, E oth Blumenthal, J oth Boersma, D J oth Bohm, C oth Börner, M oth Bos, F oth Bose, D oth Böser, S oth Botner, O oth Braun, J oth Brayeur, L oth Bretz, H-P oth Brown, A M oth Buzinsky, N oth Casey, J oth Casier, M oth Cheung, E oth Chirkin, D oth Christov, A oth Christy, B oth Clark, K oth Classen, L oth Coenders, S oth Cowen, D F oth Silva, A H Cruz oth Daughhetee, J oth Davis, J C oth Day, M oth de André, J P A M oth De Clercq, C oth Dembinski, H oth De Ridder, S oth Desiati, P oth de Vries, K D oth de Wasseige, G oth de With, M oth DeYoung, T oth Díaz-Vélez, J C oth Dumm, J P oth Dunkman, M oth Eagan, R oth Eberhardt, B oth Ehrhardt, T oth Eichmann, B oth Euler, S oth Evenson, P A oth Fadiran, O oth Fahey, S oth Fazely, A R oth Fedynitch, A oth Feintzeig, J oth Felde, J oth Filimonov, K oth Finley, C oth Fischer-Wasels, T oth Flis, S oth Fuchs, T oth Glagla, M oth Gaisser, T K oth Gaior, R oth Gallagher, J oth Gerhardt, L oth Ghorbani, K oth Gier, D oth Gladstone, L oth Glüsenkamp, T oth Goldschmidt, A oth Golup, G oth Gonzalez, J G oth Goodman, J A oth ... oth Enthalten in Physical review letters Ridge, NY : American Physical Society, 1958 115(2015), 8 (DE-627)129503959 (DE-600)208853-8 (DE-576)014907267 0031-9007 nnns volume:115 year:2015 number:8 http://dx.doi.org/10.1103/PhysRevLett.115.081102 Volltext http://www.ncbi.nlm.nih.gov/pubmed/26340177 http://arxiv.org/abs/1507.04005 http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-262425 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY GBV_ILN_21 GBV_ILN_22 GBV_ILN_40 GBV_ILN_47 GBV_ILN_55 GBV_ILN_59 GBV_ILN_60 GBV_ILN_70 GBV_ILN_130 GBV_ILN_2004 GBV_ILN_2016 GBV_ILN_2095 GBV_ILN_2192 GBV_ILN_2279 GBV_ILN_2286 UA 1000 AR 115 2015 8 |
allfieldsGer |
10.1103/PhysRevLett.115.081102 doi PQ20160617 (DE-627)OLC196281212X (DE-599)GBVOLC196281212X (PRQ)a2053-e158176ea8a82f0f2366c35853bf25aa50764888f82630a3fbb32c56dd45ef4d0 (KEY)0009201020150000115000800000evidenceforastrophysicalmuonneutrinosfromthenorthe DE-627 ger DE-627 rakwb eng 550 DNB UA 1000 AVZ rvk Aartsen, M G verfasserin aut Evidence for Astrophysical Muon Neutrinos from the Northern Sky with IceCube 2015 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier 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 data set consisting primarily of ν(e) and ν(τ) 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 is extracted from data taken during 659.5 days of live time recorded between May 2010 and May 2012. While this sample is composed primarily of neutrinos produced by cosmic ray interactions in Earth's atmosphere, the highest energy events are inconsistent with a hypothesis of solely terrestrial origin at 3.7σ significance. These neutrinos can, however, be explained by an astrophysical flux per neutrino flavor at a level of Φ(E(ν))=9.9(-3.4)(+3.9)×10(-19) GeV(-1) cm(-2) sr(-1) s(-1)(E(ν)/100 TeV(-2), consistent with IceCube's Southern-Hemisphere-dominated result. Additionally, a fit for an astrophysical flux with an arbitrary spectral index is performed. We find a spectral index of 2.2(-0.2)(+0.2), which is also in good agreement with the Southern Hemisphere result. High Energy Astrophysical Phenomena Astrophysics Abraham, K oth Ackermann, M oth Adams, J oth Aguilar, J A oth Ahlers, M oth Ahrens, M oth Altmann, D oth Anderson, T oth Archinger, M oth Arguelles, C oth Arlen, T C oth Auffenberg, J oth Bai, X oth Barwick, S W oth Baum, V oth Bay, R oth Beatty, J J oth Tjus, J Becker oth Becker, K-H oth Beiser, E oth BenZvi, S oth Berghaus, P oth Berley, D oth Bernardini, E oth Bernhard, A oth Besson, D Z oth Binder, G oth Bindig, D oth Bissok, M oth Blaufuss, E oth Blumenthal, J oth Boersma, D J oth Bohm, C oth Börner, M oth Bos, F oth Bose, D oth Böser, S oth Botner, O oth Braun, J oth Brayeur, L oth Bretz, H-P oth Brown, A M oth Buzinsky, N oth Casey, J oth Casier, M oth Cheung, E oth Chirkin, D oth Christov, A oth Christy, B oth Clark, K oth Classen, L oth Coenders, S oth Cowen, D F oth Silva, A H Cruz oth Daughhetee, J oth Davis, J C oth Day, M oth de André, J P A M oth De Clercq, C oth Dembinski, H oth De Ridder, S oth Desiati, P oth de Vries, K D oth de Wasseige, G oth de With, M oth DeYoung, T oth Díaz-Vélez, J C oth Dumm, J P oth Dunkman, M oth Eagan, R oth Eberhardt, B oth Ehrhardt, T oth Eichmann, B oth Euler, S oth Evenson, P A oth Fadiran, O oth Fahey, S oth Fazely, A R oth Fedynitch, A oth Feintzeig, J oth Felde, J oth Filimonov, K oth Finley, C oth Fischer-Wasels, T oth Flis, S oth Fuchs, T oth Glagla, M oth Gaisser, T K oth Gaior, R oth Gallagher, J oth Gerhardt, L oth Ghorbani, K oth Gier, D oth Gladstone, L oth Glüsenkamp, T oth Goldschmidt, A oth Golup, G oth Gonzalez, J G oth Goodman, J A oth ... oth Enthalten in Physical review letters Ridge, NY : American Physical Society, 1958 115(2015), 8 (DE-627)129503959 (DE-600)208853-8 (DE-576)014907267 0031-9007 nnns volume:115 year:2015 number:8 http://dx.doi.org/10.1103/PhysRevLett.115.081102 Volltext http://www.ncbi.nlm.nih.gov/pubmed/26340177 http://arxiv.org/abs/1507.04005 http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-262425 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY GBV_ILN_21 GBV_ILN_22 GBV_ILN_40 GBV_ILN_47 GBV_ILN_55 GBV_ILN_59 GBV_ILN_60 GBV_ILN_70 GBV_ILN_130 GBV_ILN_2004 GBV_ILN_2016 GBV_ILN_2095 GBV_ILN_2192 GBV_ILN_2279 GBV_ILN_2286 UA 1000 AR 115 2015 8 |
allfieldsSound |
10.1103/PhysRevLett.115.081102 doi PQ20160617 (DE-627)OLC196281212X (DE-599)GBVOLC196281212X (PRQ)a2053-e158176ea8a82f0f2366c35853bf25aa50764888f82630a3fbb32c56dd45ef4d0 (KEY)0009201020150000115000800000evidenceforastrophysicalmuonneutrinosfromthenorthe DE-627 ger DE-627 rakwb eng 550 DNB UA 1000 AVZ rvk Aartsen, M G verfasserin aut Evidence for Astrophysical Muon Neutrinos from the Northern Sky with IceCube 2015 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier 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 data set consisting primarily of ν(e) and ν(τ) 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 is extracted from data taken during 659.5 days of live time recorded between May 2010 and May 2012. While this sample is composed primarily of neutrinos produced by cosmic ray interactions in Earth's atmosphere, the highest energy events are inconsistent with a hypothesis of solely terrestrial origin at 3.7σ significance. These neutrinos can, however, be explained by an astrophysical flux per neutrino flavor at a level of Φ(E(ν))=9.9(-3.4)(+3.9)×10(-19) GeV(-1) cm(-2) sr(-1) s(-1)(E(ν)/100 TeV(-2), consistent with IceCube's Southern-Hemisphere-dominated result. Additionally, a fit for an astrophysical flux with an arbitrary spectral index is performed. We find a spectral index of 2.2(-0.2)(+0.2), which is also in good agreement with the Southern Hemisphere result. High Energy Astrophysical Phenomena Astrophysics Abraham, K oth Ackermann, M oth Adams, J oth Aguilar, J A oth Ahlers, M oth Ahrens, M oth Altmann, D oth Anderson, T oth Archinger, M oth Arguelles, C oth Arlen, T C oth Auffenberg, J oth Bai, X oth Barwick, S W oth Baum, V oth Bay, R oth Beatty, J J oth Tjus, J Becker oth Becker, K-H oth Beiser, E oth BenZvi, S oth Berghaus, P oth Berley, D oth Bernardini, E oth Bernhard, A oth Besson, D Z oth Binder, G oth Bindig, D oth Bissok, M oth Blaufuss, E oth Blumenthal, J oth Boersma, D J oth Bohm, C oth Börner, M oth Bos, F oth Bose, D oth Böser, S oth Botner, O oth Braun, J oth Brayeur, L oth Bretz, H-P oth Brown, A M oth Buzinsky, N oth Casey, J oth Casier, M oth Cheung, E oth Chirkin, D oth Christov, A oth Christy, B oth Clark, K oth Classen, L oth Coenders, S oth Cowen, D F oth Silva, A H Cruz oth Daughhetee, J oth Davis, J C oth Day, M oth de André, J P A M oth De Clercq, C oth Dembinski, H oth De Ridder, S oth Desiati, P oth de Vries, K D oth de Wasseige, G oth de With, M oth DeYoung, T oth Díaz-Vélez, J C oth Dumm, J P oth Dunkman, M oth Eagan, R oth Eberhardt, B oth Ehrhardt, T oth Eichmann, B oth Euler, S oth Evenson, P A oth Fadiran, O oth Fahey, S oth Fazely, A R oth Fedynitch, A oth Feintzeig, J oth Felde, J oth Filimonov, K oth Finley, C oth Fischer-Wasels, T oth Flis, S oth Fuchs, T oth Glagla, M oth Gaisser, T K oth Gaior, R oth Gallagher, J oth Gerhardt, L oth Ghorbani, K oth Gier, D oth Gladstone, L oth Glüsenkamp, T oth Goldschmidt, A oth Golup, G oth Gonzalez, J G oth Goodman, J A oth ... oth Enthalten in Physical review letters Ridge, NY : American Physical Society, 1958 115(2015), 8 (DE-627)129503959 (DE-600)208853-8 (DE-576)014907267 0031-9007 nnns volume:115 year:2015 number:8 http://dx.doi.org/10.1103/PhysRevLett.115.081102 Volltext http://www.ncbi.nlm.nih.gov/pubmed/26340177 http://arxiv.org/abs/1507.04005 http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-262425 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY GBV_ILN_21 GBV_ILN_22 GBV_ILN_40 GBV_ILN_47 GBV_ILN_55 GBV_ILN_59 GBV_ILN_60 GBV_ILN_70 GBV_ILN_130 GBV_ILN_2004 GBV_ILN_2016 GBV_ILN_2095 GBV_ILN_2192 GBV_ILN_2279 GBV_ILN_2286 UA 1000 AR 115 2015 8 |
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550 DNB UA 1000 AVZ rvk Evidence for Astrophysical Muon Neutrinos from the Northern Sky with IceCube High Energy Astrophysical Phenomena Astrophysics |
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title |
Evidence for Astrophysical Muon Neutrinos from the Northern Sky with IceCube |
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Evidence for Astrophysical Muon Neutrinos from the Northern Sky with IceCube |
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evidence for astrophysical muon neutrinos from the northern sky with icecube |
title_auth |
Evidence for Astrophysical Muon Neutrinos from the Northern Sky with IceCube |
abstract |
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 data set consisting primarily of ν(e) and ν(τ) 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 is extracted from data taken during 659.5 days of live time recorded between May 2010 and May 2012. While this sample is composed primarily of neutrinos produced by cosmic ray interactions in Earth's atmosphere, the highest energy events are inconsistent with a hypothesis of solely terrestrial origin at 3.7σ significance. These neutrinos can, however, be explained by an astrophysical flux per neutrino flavor at a level of Φ(E(ν))=9.9(-3.4)(+3.9)×10(-19) GeV(-1) cm(-2) sr(-1) s(-1)(E(ν)/100 TeV(-2), consistent with IceCube's Southern-Hemisphere-dominated result. Additionally, a fit for an astrophysical flux with an arbitrary spectral index is performed. We find a spectral index of 2.2(-0.2)(+0.2), which is also in good agreement with the Southern Hemisphere result. |
abstractGer |
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 data set consisting primarily of ν(e) and ν(τ) 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 is extracted from data taken during 659.5 days of live time recorded between May 2010 and May 2012. While this sample is composed primarily of neutrinos produced by cosmic ray interactions in Earth's atmosphere, the highest energy events are inconsistent with a hypothesis of solely terrestrial origin at 3.7σ significance. These neutrinos can, however, be explained by an astrophysical flux per neutrino flavor at a level of Φ(E(ν))=9.9(-3.4)(+3.9)×10(-19) GeV(-1) cm(-2) sr(-1) s(-1)(E(ν)/100 TeV(-2), consistent with IceCube's Southern-Hemisphere-dominated result. Additionally, a fit for an astrophysical flux with an arbitrary spectral index is performed. We find a spectral index of 2.2(-0.2)(+0.2), which is also in good agreement with the Southern Hemisphere result. |
abstract_unstemmed |
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 data set consisting primarily of ν(e) and ν(τ) 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 is extracted from data taken during 659.5 days of live time recorded between May 2010 and May 2012. While this sample is composed primarily of neutrinos produced by cosmic ray interactions in Earth's atmosphere, the highest energy events are inconsistent with a hypothesis of solely terrestrial origin at 3.7σ significance. These neutrinos can, however, be explained by an astrophysical flux per neutrino flavor at a level of Φ(E(ν))=9.9(-3.4)(+3.9)×10(-19) GeV(-1) cm(-2) sr(-1) s(-1)(E(ν)/100 TeV(-2), consistent with IceCube's Southern-Hemisphere-dominated result. Additionally, a fit for an astrophysical flux with an arbitrary spectral index is performed. We find a spectral index of 2.2(-0.2)(+0.2), which is also in good agreement with the Southern Hemisphere result. |
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container_issue |
8 |
title_short |
Evidence for Astrophysical Muon Neutrinos from the Northern Sky with IceCube |
url |
http://dx.doi.org/10.1103/PhysRevLett.115.081102 http://www.ncbi.nlm.nih.gov/pubmed/26340177 http://arxiv.org/abs/1507.04005 http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-262425 |
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Abraham, K Ackermann, M Adams, J Aguilar, J A Ahlers, M Ahrens, M Altmann, D Anderson, T Archinger, M Arguelles, C Arlen, T C Auffenberg, J Bai, X Barwick, S W Baum, V Bay, R Beatty, J J Tjus, J Becker Becker, K-H Beiser, E BenZvi, S Berghaus, P Berley, D Bernardini, E Bernhard, A Besson, D Z Binder, G Bindig, D Bissok, M Blaufuss, E Blumenthal, J Boersma, D J Bohm, C Börner, M Bos, F Bose, D Böser, S Botner, O Braun, J Brayeur, L Bretz, H-P Brown, A M Buzinsky, N Casey, J Casier, M Cheung, E Chirkin, D Christov, A Christy, B Clark, K Classen, L Coenders, S Cowen, D F Silva, A H Cruz Daughhetee, J Davis, J C Day, M de André, J P A M De Clercq, C Dembinski, H De Ridder, S Desiati, P de Vries, K D de Wasseige, G de With, M DeYoung, T Díaz-Vélez, J C Dumm, J P Dunkman, M Eagan, R Eberhardt, B Ehrhardt, T Eichmann, B Euler, S Evenson, P A Fadiran, O Fahey, S Fazely, A R Fedynitch, A Feintzeig, J Felde, J Filimonov, K Finley, C Fischer-Wasels, T Flis, S Fuchs, T Glagla, M Gaisser, T K Gaior, R Gallagher, J Gerhardt, L Ghorbani, K Gier, D Gladstone, L Glüsenkamp, T Goldschmidt, A Golup, G Gonzalez, J G Goodman, J A . |
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doi_str |
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up_date |
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