Evidence for Astrophysical Muon Neutrinos from the Northern Sky with IceCube

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MARC

Aartsen, M. G. (author)

Evidence for Astrophysical Muon Neutrinos from the Northern Sky with IceCube

Article/chapterEnglish2015

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2015
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LIBRIS-ID:oai:DiVA.org:uu-262425
https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-262425URI
https://doi.org/10.1103/PhysRevLett.115.081102DOI
https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-120914URI

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Language:English
Summary in:English

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SwePubSwePub

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Subject category:ref swepub-contenttype
Subject category:art swepub-publicationtype

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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 data set 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 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 3.7 sigma significance. These neutrinos can, however, be explained by an astrophysical flux per neutrino flavor at a level of Phi(E-nu) = 9.9(-3.4)(+3.9) x 10(-19) GeV-1 cm(-2) sr(-1) s(-1) (E-nu/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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NATURVETENSKAP Fysik hsv//swe
NATURAL SCIENCES Physical Sciences hsv//eng

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Abraham, K. (author)
Ackermann, M. (author)
Adams, J. (author)
Aguilar, J. A. (author)
Ahrens, MaryonStockholms universitet,Oskar Klein-centrum för kosmopartikelfysik (OKC),Fysikum(Swepub:su)main1402 (author)
Ahrens, M. (author)
Altmann, D. (author)
Anderson, T. (author)
Archinger, M. (author)
Arguelles, C. (author)
Arlen, T. C. (author)
Auffenberg, J. (author)
Bai, X. (author)
Barwick, S. W. (author)
Baum, V. (author)
Bay, R. (author)
Beatty, J. J. (author)
Tjus, J. Becker (author)
Hultqvist, KlasStockholms universitet,Oskar Klein-centrum för kosmopartikelfysik (OKC),Fysikum(Swepub:su)klas (author)
Beiser, E. (author)
BenZvi, S. (author)
Berghaus, P. (author)
Berley, D. (author)
Bernardini, E. (author)
Bernhard, A. (author)
Besson, D. Z. (author)
Binder, G. (author)
Bindig, D. (author)
Bissok, M. (author)
Blaufuss, E. (author)
Blumenthal, J. (author)
Boersma, David J.Uppsala universitet,Högenergifysik(Swepub:uu)davbo440 (author)
Bohm, ChristianStockholms universitet,Fysikum(Swepub:su)bohm (author)
Boerner, M. (author)
Bos, F. (author)
Bose, D. (author)
Boeser, S. (author)
Botner, OlgaUppsala universitet,Högenergifysik(Swepub:uu)olgabotn (author)
Braun, J. (author)
Brayeur, L. (author)
Bretz, H. -P (author)
Brown, A. M. (author)
Buzinsky, N. (author)
Casey, J. (author)
Casier, M. (author)
Cheung, E. (author)
Chirkin, D. (author)
Christov, A. (author)
Christy, B. (author)
Clark, K. (author)
Classen, L. (author)
Coenders, S. (author)
Cowen, D. F. (author)
Hallgren, AllanUppsala universitet,Högenergifysik(Swepub:uu)allahall (author)
Daughhetee, J. (author)
Davis, J. C. (author)
Day, M. (author)
de Andre, J. P. A. M. (author)
De Clercq, C. (author)
Dembinski, H. (author)
De Ridder, S. (author)
Desiati, P. (author)
de Vries, K. D. (author)
de Wasseige, G. (author)
de With, M. (author)
deYoung, T. (author)
Diaz-Velez, J. C. (author)
Dumm, Jonathan P.Stockholms universitet,Oskar Klein-centrum för kosmopartikelfysik (OKC),Fysikum(Swepub:su)jdumm (author)
Dunkman, M. (author)
Eagan, R. (author)
Eberhardt, B. (author)
Ehrhardt, T. (author)
Eichmann, B. (author)
Euler, SebastianUppsala universitet,Högenergifysik(Swepub:uu)sebeu179 (author)
Evenson, P. A. (author)
Fadiran, O. (author)
Fahey, S. (author)
Fazely, A. R. (author)
Fedynitch, A. (author)
Feintzeig, J. (author)
Felde, J. (author)
Filimonov, K. (author)
Finley, ChadStockholms universitet,Oskar Klein-centrum för kosmopartikelfysik (OKC),Fysikum(Swepub:su)cfinl (author)
Fischer-Wasels, T. (author)
Flis, SamuelStockholms universitet,Oskar Klein-centrum för kosmopartikelfysik (OKC),Fysikum(Swepub:su)safl7086 (author)
Fuchs, T. (author)
Glagla, M. (author)
Gaisser, T. K. (author)
Gaior, R. (author)
Gallagher, J. (author)
Gerhardt, L. (author)
Ghorbani, K. (author)
Gier, D. (author)
Gladstone, L. (author)
Gluesenkamp, T. (author)
Goldschmidt, A. (author)
Golup, G. (author)
Gonzalez, J. G. (author)
Goodman, J. A. (author)
Gora, D. (author)
Grant, D. (author)
Gretskov, P. (author)
Groh, J. C. (author)
Gross, A. (author)
Ha, C. (author)
Walck, ChristianStockholms universitet,Oskar Klein-centrum för kosmopartikelfysik (OKC),Fysikum(Swepub:su)walck (author)
Ismail, A. Haj (author)
Hallgren, AllanUppsala universitet,Högenergifysik(Swepub:uu)allahall (author)
Halzen, F. (author)
Hansmann, B. (author)
Hanson, K. (author)
Hebecker, D. (author)
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Helbing, K. (author)
Hellauer, R. (author)
Hellwig, D. (author)
Hickford, S. (author)
Hignight, J. (author)
Hill, G. C. (author)
Hoffman, K. D. (author)
Hoffmann, R. (author)
Holzapfe, K. (author)
Homeier, A. (author)
Hoshina, K. (author)
Huang, F. (author)
Huber, M. (author)
Huelsnitz, W. (author)
Hulth, Per OlofStockholms universitet,Oskar Klein-centrum för kosmopartikelfysik (OKC),Fysikum(Swepub:su)hulth (author)
Hultqvist, K. (author)
In, S. (author)
Ishihara, A. (author)
Jacobi, E. (author)
Japaridze, G. S. (author)
Jero, K. (author)
Jurkovic, M. (author)
Kaminsky, B. (author)
Kappes, A. (author)
Karg, T. (author)
Karle, A. (author)
Kauer, M. (author)
Keivani, A. (author)
Kelley, J. L. (author)
Kemp, J. (author)
Kheirandish, A. (author)
Kiryluk, J. (author)
Klaes, J. (author)
Ström, RickardUppsala universitet,Högenergifysik(Swepub:uu)ricst605 (author)
Kohnen, G. (author)
Kolanoski, H. (author)
Konietz, R. (author)
Koob, A. (author)
Koepke, L. (author)
Kopper, C. (author)
Kopper, S. (author)
Koskinen, D. J. (author)
Kowalski, M. (author)
Krings, K. (author)
Kroll, G. (author)
Kroll, M. (author)
Kunnen, J. (author)
Kurahashi, N. (author)
Kuwabara, T. (author)
Labare, M. (author)
Lanfranchi, J. L. (author)
Larson, M. J. (author)
Lesiak-Bzdak, M. (author)
Leuermann, M. (author)
Leuner, J. (author)
Luenemann, J. (author)
Madsen, J. (author)
Maggi, G. (author)
Mahn, K. B. M. (author)
Maruyama, R. (author)
Mase, K. (author)
Matis, H. S. (author)
Maunu, R. (author)
McNally, F. (author)
Meagher, K. (author)
Medici, M. (author)
Meli, A. (author)
Menne, T. (author)
Merino, G. (author)
Meures, T. (author)
Miarecki, S. (author)
Middell, E. (author)
Middlemas, E. (author)
Miller, J. (author)
Mohrmann, L. (author)
Montaruli, T. (author)
Morse, R. (author)
Nahnhauer, R. (author)
Naumann, U. (author)
Niederhausen, H. (author)
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Nygren, D. R. (author)
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Olivas, A. (author)
Omairat, A. (author)
O'Murchadha, A. (author)
Palczewski, T. (author)
Paul, L. (author)
Pepper, J. A. (author)
de los Heros, Carlos PerezUppsala universitet,Högenergifysik(Swepub:uu)capedlhe (author)
Pfendner, C. (author)
Pieloth, D. (author)
Pinat, E. (author)
Posselt, J. (author)
Price, P. B. (author)
Przybylski, G. T. (author)
Puetz, J. (author)
Quinnan, M. (author)
Raedel, L. (author)
Rameez, M. (author)
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Redl, P. (author)
Reimann, R. (author)
Relich, M. (author)
Resconi, E. (author)
Rhode, W. (author)
Richman, M. (author)
Richter, S. (author)
Riedel, B. (author)
Robertson, S. (author)
Rongen, M. (author)
Rott, C. (author)
Ruhe, T. (author)
Ruzybayev, B. (author)
Ryckbosch, D. (author)
Saba, S. M. (author)
Sabbatini, L. (author)
Sander, H. -G (author)
Sandrock, A. (author)
Sandroos, J. (author)
Sarkar, S. (author)
Schatto, K. (author)
Scheriau, F. (author)
Schimp, M. (author)
Schmidt, T. (author)
Schmitz, M. (author)
Schoenen, S. (author)
Schoeneberg, S. (author)
Schoenwald, A. (author)
Schukraft, A. (author)
Schulte, L. (author)
Seckel, D. (author)
Seunarine, S. (author)
Shanidze, R. (author)
Wolf, MartinStockholms universitet,Oskar Klein-centrum för kosmopartikelfysik (OKC),Fysikum(Swepub:su)mwolf (author)
Soldin, D. (author)
Spiczak, G. M. (author)
Spiering, C. (author)
Stahlberg, M. (author)
Stamatikos, M. (author)
Stanev, T. (author)
Stanisha, N. A. (author)
Stasik, A. (author)
Stezelberger, T. (author)
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Stoessl, A. (author)
Strahler, E. A. (author)
Ström, RickardUppsala universitet,Högenergifysik(Swepub:uu)ricst605 (author)
Strotjohann, N. L. (author)
Sullivan, G. W. (author)
Sutherland, M. (author)
Taavola, HenricUppsala universitet,Högenergifysik(Swepub:uu)henta640 (author)
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Terliuk, A. (author)
Tesic, G. (author)
Tilav, S. (author)
Toale, P. A. (author)
Tobin, M. N. (author)
Tosi, D. (author)
Tselengidou, M. (author)
Unger, ElisabethUppsala universitet,Högenergifysik(Swepub:uu)lisun860 (author)
Usner, M. (author)
Vallecorsa, S. (author)
van Eijndhoven, N. (author)
Vandenbroucke, J. (author)
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Vanheule, S. (author)
Veenkamp, J. (author)
Vehring, M. (author)
Voge, M. (author)
Vraeghe, M. (author)
Walck, C. (author)
Wallraff, M. (author)
Wandkowsky, N. (author)
Weaver, C. (author)
Wendt, C. (author)
Westerhoff, S. (author)
Whelan, B. J. (author)
Whitehorn, N. (author)
Wichary, C. (author)
Wiebe, K. (author)
Wiebusch, C. H. (author)
Wille, L. (author)
Williams, D. R. (author)
Wissing, H. (author)
Wolf, M. (author)
Wood, T. R. (author)
Woschnagg, K. (author)
Xu, D. L. (author)
Xu, X. W. (author)
Xu, Y. (author)
Yanez, J. P. (author)
Yodh, G. (author)
Yoshida, S. (author)
Zarzhitsky, P. (author)
Zoll, MarcelStockholms universitet,Oskar Klein-centrum för kosmopartikelfysik (OKC),Fysikum(Swepub:su)mazo7883 (author)
Stockholms universitetOskar Klein-centrum för kosmopartikelfysik (OKC) (creator_code:org_t)

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By the author/editor: Aartsen, M. G.; Abraham, K.; Ackermann, M.; Adams, J.; Aguilar, J. A.; Ahrens, Maryon; show more...; 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; Hultqvist, Klas; 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, David J ...; Bohm, Christian; Boerner, M.; Bos, F.; Bose, D.; Boeser, S.; Botner, Olga; 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.; Hallgren, Allan; Daughhetee, J.; Davis, J. C.; Day, M.; de Andre, J. P. ...; De Clercq, C.; Dembinski, H.; De Ridder, S.; Desiati, P.; de Vries, K. D.; de Wasseige, G.; de With, M.; deYoung, T.; Diaz-Velez, J. C ...; Dumm, Jonathan P ...; Dunkman, M.; Eagan, R.; Eberhardt, B.; Ehrhardt, T.; Eichmann, B.; Euler, Sebastian; Evenson, P. A.; Fadiran, O.; Fahey, S.; Fazely, A. R.; Fedynitch, A.; Feintzeig, J.; Felde, J.; Filimonov, K.; Finley, Chad; Fischer-Wasels, ...; Flis, Samuel; Fuchs, T.; Glagla, M.; Gaisser, T. K.; Gaior, R.; Gallagher, J.; Gerhardt, L.; Ghorbani, K.; Gier, D.; Gladstone, L.; Gluesenkamp, T.; Goldschmidt, A.; Golup, G.; Gonzalez, J. G.; Goodman, J. A.; Gora, D.; Grant, D.; Gretskov, P.; Groh, J. C.; Gross, A.; Ha, C.; Walck, Christian; Ismail, A. Haj; Halzen, F.; Hansmann, B.; Hanson, K.; Hebecker, D.; Heereman, D.; Helbing, K.; Hellauer, R.; Hellwig, D.; Hickford, S.; Hignight, J.; Hill, G. C.; Hoffman, K. D.; Hoffmann, R.; Holzapfe, K.; Homeier, A.; Hoshina, K.; Huang, F.; Huber, M.; Huelsnitz, W.; Hulth, Per Olof; Hultqvist, K.; In, S.; Ishihara, A.; Jacobi, E.; Japaridze, G. S.; Jero, K.; Jurkovic, M.; Kaminsky, B.; Kappes, A.; Karg, T.; Karle, A.; Kauer, M.; Keivani, A.; Kelley, J. L.; Kemp, J.; Kheirandish, A.; Kiryluk, J.; Klaes, J.; Ström, Rickard; Kohnen, G.; Kolanoski, H.; Konietz, R.; Koob, A.; Koepke, L.; Kopper, C.; Kopper, S.; Koskinen, D. J.; Kowalski, M.; Krings, K.; Kroll, G.; Kroll, M.; Kunnen, J.; Kurahashi, N.; Kuwabara, T.; Labare, M.; Lanfranchi, J. L ...; Larson, M. J.; Lesiak-Bzdak, M.; Leuermann, M.; Leuner, J.; Luenemann, J.; Madsen, J.; Maggi, G.; Mahn, K. B. M.; Maruyama, R.; Mase, K.; Matis, H. S.; Maunu, R.; McNally, F.; Meagher, K.; Medici, M.; Meli, A.; Menne, T.; Merino, G.; Meures, T.; Miarecki, S.; Middell, E.; Middlemas, E.; Miller, J.; Mohrmann, L.; Montaruli, T.; Morse, R.; Nahnhauer, R.; Naumann, U.; Niederhausen, H.; Nowicki, S. C.; Nygren, D. R.; Obertacke, A.; Olivas, A.; Omairat, A.; O'Murchadha, A.; Palczewski, T.; Paul, L.; Pepper, J. A.; de los Heros, Ca ...; Pfendner, C.; Pieloth, D.; Pinat, E.; Posselt, J.; Price, P. B.; Przybylski, G. T ...; Puetz, J.; Quinnan, M.; Raedel, L.; Rameez, M.; Rawlins, K.; Redl, P.; Reimann, R.; Relich, M.; Resconi, E.; Rhode, W.; Richman, M.; Richter, S.; Riedel, B.; Robertson, S.; Rongen, M.; Rott, C.; Ruhe, T.; Ruzybayev, B.; Ryckbosch, D.; Saba, S. M.; Sabbatini, L.; Sander, H. -G; Sandrock, A.; Sandroos, J.; Sarkar, S.; Schatto, K.; Scheriau, F.; Schimp, M.; Schmidt, T.; Schmitz, M.; Schoenen, S.; Schoeneberg, S.; Schoenwald, A.; Schukraft, A.; Schulte, L.; Seckel, D.; Seunarine, S.; Shanidze, R.; Wolf, Martin; Soldin, D.; Spiczak, G. M.; Spiering, C.; Stahlberg, M.; Stamatikos, M.; Stanev, T.; Stanisha, N. A.; Stasik, A.; Stezelberger, T.; Stokstad, R. G.; Stoessl, A.; Strahler, E. A.; Strotjohann, N. ...; Sullivan, G. W.; Sutherland, M.; Taavola, Henric; Taboada, I.; Ter-Antonyan, S.; Terliuk, A.; Tesic, G.; Tilav, S.; Toale, P. A.; Tobin, M. N.; Tosi, D.; Tselengidou, M.; Unger, Elisabeth; Usner, M.; Vallecorsa, S.; van Eijndhoven, ...; Vandenbroucke, J ...; van Santen, J.; Vanheule, S.; Veenkamp, J.; Vehring, M.; Voge, M.; Vraeghe, M.; Walck, C.; Wallraff, M.; Wandkowsky, N.; Weaver, C.; Wendt, C.; Westerhoff, S.; Whelan, B. J.; Whitehorn, N.; Wichary, C.; Wiebe, K.; Wiebusch, C. H.; Wille, L.; Williams, D. R.; Wissing, H.; Wolf, M.; Wood, T. R.; Woschnagg, K.; Xu, D. L.; Xu, X. W.; Xu, Y.; Yanez, J. P.; Yodh, G.; Yoshida, S.; Zarzhitsky, P.; Zoll, Marcel; show less...

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