Observation of anisotropy in the galactic cosmic-ray arrival directions at 400 TeV with IceCube

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Abbasi, R. (author)

Observation of anisotropy in the galactic cosmic-ray arrival directions at 400 TeV with IceCube

Article/chapterEnglish2012

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2012
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LIBRIS-ID:oai:DiVA.org:uu-174790
https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-174790URI
https://doi.org/10.1088/0004-637X/746/1/33DOI
https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-74243URI

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Language:English
Summary in:English

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

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Publikationen har totalt 260 författare, R. Abbasi et al.
In this paper we report the first observation in the Southern hemisphere of an energy dependence in the Galactic cosmic-ray anisotropy up to a few hundred TeV. This measurement was performed using cosmic-ray-induced muons recorded by the partially deployed IceCube observatory between 2009 May and 2010 May. The data include a total of 33 x 10(9) muon events with a median angular resolution of similar to 3 degrees. A sky map of the relative intensity in arrival direction over the Southern celestial sky is presented for cosmic-ray median energies of 20 and 400 TeV. The same large-scale anisotropy observed at median energies around 20 TeV is not present at 400 TeV. Instead, the high-energy sky map shows a different anisotropy structure including a deficit with a post-trial significance of -6.3 sigma. This anisotropy reveals a new feature of the Galactic cosmic-ray distribution, which must be incorporated into theories of the origin and propagation of cosmic rays.

Subject headings and genre

NATURVETENSKAP Fysik hsv//swe
NATURAL SCIENCES Physical Sciences hsv//eng
NATURVETENSKAP Fysik Subatomär fysik hsv//swe
NATURAL SCIENCES Physical Sciences Subatomic Physics hsv//eng
astroparticle physics
cosmic rays
neutrinos
Physics

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Abdou, Y. (author)
Abu-Zayyad, T. (author)
Ackermann, M. (author)
Adams, J. (author)
Aguilar, J. A. (author)
Ahlers, M. (author)
Allen, M. M. (author)
Altmann, D. (author)
Andeen, K. (author)
Auffenberg, J. (author)
Bai, X. (author)
Baker, M. (author)
Barwick, S. W. (author)
Bay, R. (author)
Alba, J. L. Bazo (author)
Beattie, K. (author)
Beatty, J. J. (author)
Bechet, S. (author)
Becker, J. K. (author)
Hultqvist, KlasStockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)(Swepub:su)klas (author)
Benabderrahmane, M. L. (author)
BenZvi, S. (author)
Berdermann, J. (author)
Berghaus, P. (author)
Berley, D. (author)
Bernardini, E. (author)
Bertrand, D. (author)
Besson, D. Z. (author)
Bindig, D. (author)
Bissok, M. (author)
Blaufuss, E. (author)
Blumenthal, J. (author)
Boersma, D. J. (author)
Bohm, ChristianStockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)(Swepub:su)bohm (author)
Bose, D. (author)
Boeser, S. (author)
Botner, OlgaUppsala universitet,Högenergifysik(Swepub:uu)olgabotn (author)
Brown, A. M. (author)
Buitink, S. (author)
Caballero-Mora, K. S. (author)
Carson, M. (author)
Chirkin, D. (author)
Christy, B. (author)
Clevermann, F. (author)
Cohen, S. (author)
Colnard, C. (author)
Cowen, D. F. (author)
Silva, A. H. Cruz (author)
Danninger, MatthiasStockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)(Swepub:su)danning (author)
Danninger, M. (author)
Daughhetee, J. (author)
Davis, J. C. (author)
De Clercq, C. (author)
Degner, T. (author)
Demiroers, L. (author)
Descamps, F. (author)
Desiati, P. (author)
de Vries-Uiterweerd, G. (author)
DeYoung, T. (author)
Diaz-Velez, J. C. (author)
Dierckxsens, M. (author)
Dreyer, J. (author)
Dumm, J. P. (author)
Dunkman, M. (author)
Eisch, J. (author)
Ellsworth, R. W. (author)
Engdegård, OlleUppsala universitet,Högenergifysik(Swepub:uu)ollen459 (author)
Euler, S. (author)
Evenson, P. A. (author)
Fadiran, O. (author)
Fazely, A. R. (author)
Fedynitch, A. (author)
Feintzeig, J. (author)
Feusels, T. (author)
Filimonov, K. (author)
Finley, ChadStockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)(Swepub:su)cfinl (author)
Fischer-Wasels, T. (author)
Fox, B. D. (author)
Franckowiak, A. (author)
Franke, R. (author)
Gaisser, T. K. (author)
Gallagher, J. (author)
Gerhardt, L. (author)
Gladstone, L. (author)
Gluesenkamp, T. (author)
Goldschmidt, A. (author)
Goodman, J. A. (author)
Gora, D. (author)
Grant, D. (author)
Griesel, T. (author)
Gross, A. (author)
Grullon, S. (author)
Gurtner, M. (author)
Ha, C. (author)
Ismail, A. Haj (author)
Hallgren, AllanUppsala universitet,Högenergifysik(Swepub:uu)allahall (author)
Halzen, F. (author)
Han, K. (author)
Hanson, K. (author)
Heinen, D. (author)
Helbing, K. (author)
Hellauer, R. (author)
Hickford, S. (author)
Hill, G. C. (author)
Hoffman, K. D. (author)
Hoffmann, B. (author)
Homeier, A. (author)
Hoshina, K. (author)
Huelsnitz, W. (author)
Huelss, J. -P (author)
Hulth, Per OlofStockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)(Swepub:su)hulth (author)
Hultqvist, K. (author)
Hussain, S. (author)
Ishihara, A. (author)
Jacobi, E. (author)
Jacobsen, J. (author)
Japaridze, G. S. (author)
Johansson, HenrikStockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)(Swepub:su)henjoh (author)
Kampert, K. -H (author)
Kappes, A. (author)
Karg, T. (author)
Karle, A. (author)
Kenny, P. (author)
Kiryluk, J. (author)
Kislat, F. (author)
Klein, S. R. (author)
Koehne, J. -H (author)
Kohnen, G. (author)
Kolanoski, H. (author)
Koepke, L. (author)
Kopper, S. (author)
Koskinen, D. J. (author)
Kowalski, M. (author)
Kowarik, T. (author)
Krasberg, M. (author)
Kroll, G. (author)
Kurahashi, N. (author)
Kuwabara, T. (author)
Labare, M. (author)
Laihem, K. (author)
Landsman, H. (author)
Larson, M. J. (author)
Lauer, R. (author)
Luenemann, J. (author)
Madsen, J. (author)
Marotta, A. (author)
Maruyama, R. (author)
Mase, K. (author)
Matis, H. S. (author)
Meagher, K. (author)
Merck, M. (author)
Meszaros, P. (author)
Meures, T. (author)
Miarecki, S. (author)
Middell, E. (author)
Milke, N. (author)
Miller, J. (author)
Montaruli, T. (author)
Morse, R. (author)
Movit, S. M. (author)
Nahnhauer, R. (author)
Nam, J. W. (author)
Naumann, U. (author)
Nygren, D. R. (author)
Odrowski, S. (author)
Olivas, A. (author)
Olivo, M. (author)
O'Murchadha, A. (author)
Panknin, S. (author)
Paul, L. (author)
Pérez de los Heros, CarlosUppsala universitet,Högenergifysik(Swepub:uu)capedlhe (author)
Petrovic, J. (author)
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Porrata, R. (author)
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Price, P. B. (author)
Przybylski, G. T. (author)
Rawlins, K. (author)
Redl, P. (author)
Resconi, E. (author)
Rhode, W. (author)
Ribordy, M. (author)
Richman, M. (author)
Rodrigues, J. P. (author)
Rothmaier, F. (author)
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Rutledge, D. (author)
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Sander, H. -G (author)
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Schatto, K. (author)
Schmidt, T. (author)
Schoenwald, A. (author)
Schukraft, A. (author)
Schultes, A. (author)
Schulz, O. (author)
Schunck, M. (author)
Seckel, D. (author)
Semburg, B. (author)
Seo, Seon-HeeStockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)(Swepub:su)seo (author)
Sestayo, Y. (author)
Seunarine, S. (author)
Silvestri, A. (author)
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Spiering, C. (author)
Stamatikos, M. (author)
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Strahler, E. A. (author)
Ström, RickardUppsala universitet,Högenergifysik(Swepub:uu)ricst605 (author)
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Swillens, Q. (author)
Taavola, HenricUppsala universitet,Högenergifysik(Swepub:uu)henta640 (author)
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Tamburro, A. (author)
Tepe, A. (author)
Ter-Antonyan, S. (author)
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Toale, P. A. (author)
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Tosi, D. (author)
van Eijndhoven, N. (author)
Vandenbroucke, J. (author)
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van Santen, J. (author)
Vehring, M. (author)
Voge, M. (author)
Walck, ChristianStockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)(Swepub:su)walck (author)
Waldenmaier, T. (author)
Wallraff, M. (author)
Walter, M. (author)
Weaver, Ch. (author)
Wendt, C. (author)
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Yanez, J. P. (author)
Yodh, G. (author)
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Zarzhitsky, P. (author)
Zoll, MarcelStockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)(Swepub:su)mazo7883 (author)
Stockholms universitetFysikum (creator_code:org_t)

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In:Astrophysical Journal746:1, s. 33-0004-637X1538-4357

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By the author/editor: Abbasi, R.; Abdou, Y.; Abu-Zayyad, T.; Ackermann, M.; Adams, J.; Aguilar, J. A.; show more...; Ahlers, M.; Allen, M. M.; Altmann, D.; Andeen, K.; Auffenberg, J.; Bai, X.; Baker, M.; Barwick, S. W.; Bay, R.; Alba, J. L. Bazo; Beattie, K.; Beatty, J. J.; Bechet, S.; Becker, J. K.; Hultqvist, Klas; Benabderrahmane, ...; BenZvi, S.; Berdermann, J.; Berghaus, P.; Berley, D.; Bernardini, E.; Bertrand, D.; Besson, D. Z.; Bindig, D.; Bissok, M.; Blaufuss, E.; Blumenthal, J.; Boersma, D. J.; Bohm, Christian; Bose, D.; Boeser, S.; Botner, Olga; Brown, A. M.; Buitink, S.; Caballero-Mora, ...; Carson, M.; Chirkin, D.; Christy, B.; Clevermann, F.; Cohen, S.; Colnard, C.; Cowen, D. F.; Silva, A. H. Cru ...; Danninger, Matth ...; Danninger, M.; Daughhetee, J.; Davis, J. C.; De Clercq, C.; Degner, T.; Demiroers, L.; Descamps, F.; Desiati, P.; de Vries-Uiterwe ...; DeYoung, T.; Diaz-Velez, J. C ...; Dierckxsens, M.; Dreyer, J.; Dumm, J. P.; Dunkman, M.; Eisch, J.; Ellsworth, R. W.; Engdegård, Olle; Euler, S.; Evenson, P. A.; Fadiran, O.; Fazely, A. R.; Fedynitch, A.; Feintzeig, J.; Feusels, T.; Filimonov, K.; Finley, Chad; Fischer-Wasels, ...; Fox, B. D.; Franckowiak, A.; Franke, R.; Gaisser, T. K.; Gallagher, J.; Gerhardt, L.; Gladstone, L.; Gluesenkamp, T.; Goldschmidt, A.; Goodman, J. A.; Gora, D.; Grant, D.; Griesel, T.; Gross, A.; Grullon, S.; Gurtner, M.; Ha, C.; Ismail, A. Haj; Hallgren, Allan; Halzen, F.; Han, K.; Hanson, K.; Heinen, D.; Helbing, K.; Hellauer, R.; Hickford, S.; Hill, G. C.; Hoffman, K. D.; Hoffmann, B.; Homeier, A.; Hoshina, K.; Huelsnitz, W.; Huelss, J. -P; Hulth, Per Olof; Hultqvist, K.; Hussain, S.; Ishihara, A.; Jacobi, E.; Jacobsen, J.; Japaridze, G. S.; Johansson, Henri ...; Kampert, K. -H; Kappes, A.; Karg, T.; Karle, A.; Kenny, P.; Kiryluk, J.; Kislat, F.; Klein, S. R.; Koehne, J. -H; Kohnen, G.; Kolanoski, H.; Koepke, L.; Kopper, S.; Koskinen, D. J.; Kowalski, M.; Kowarik, T.; Krasberg, M.; Kroll, G.; Kurahashi, N.; Kuwabara, T.; Labare, M.; Laihem, K.; Landsman, H.; Larson, M. J.; Lauer, R.; Luenemann, J.; Madsen, J.; Marotta, A.; Maruyama, R.; Mase, K.; Matis, H. S.; Meagher, K.; Merck, M.; Meszaros, P.; Meures, T.; Miarecki, S.; Middell, E.; Milke, N.; Miller, J.; Montaruli, T.; Morse, R.; Movit, S. M.; Nahnhauer, R.; Nam, J. W.; Naumann, U.; Nygren, D. R.; Odrowski, S.; Olivas, A.; Olivo, M.; O'Murchadha, A.; Panknin, S.; Paul, L.; Pérez de los Her ...; Petrovic, J.; Piegsa, A.; Pieloth, D.; Porrata, R.; Posselt, J.; Price, C. C.; Price, P. B.; Przybylski, G. T ...; Rawlins, K.; Redl, P.; Resconi, E.; Rhode, W.; Ribordy, M.; Richman, M.; Rodrigues, J. P.; Rothmaier, F.; Rott, C.; Ruhe, T.; Rutledge, D.; Ruzybayev, B.; Ryckbosch, D.; Sander, H. -G; Santander, M.; Sarkar, S.; Schatto, K.; Schmidt, T.; Schoenwald, A.; Schukraft, A.; Schultes, A.; Schulz, O.; Schunck, M.; Seckel, D.; Semburg, B.; Seo, Seon-Hee; Sestayo, Y.; Seunarine, S.; Silvestri, A.; Spiczak, G. M.; Spiering, C.; Stamatikos, M.; Stanev, T.; Stezelberger, T.; Stokstad, R. G.; Stoessl, A.; Strahler, E. A.; Ström, Rickard; Stueer, M.; Sullivan, G. W.; Swillens, Q.; Taavola, Henric; Taboada, I.; Tamburro, A.; Tepe, A.; Ter-Antonyan, S.; Tilav, S.; Toale, P. A.; Toscano, S.; Tosi, D.; van Eijndhoven, ...; Vandenbroucke, J ...; Van Overloop, A.; van Santen, J.; Vehring, M.; Voge, M.; Walck, Christian; Waldenmaier, T.; Wallraff, M.; Walter, M.; Weaver, Ch.; Wendt, C.; Westerhoff, S.; Whitehorn, N.; Wiebe, K.; Wiebusch, C. H.; Williams, D. R.; Wischnewski, R.; Wissing, H.; Wolf, M.; Wood, T. R.; Woschnagg, K.; Xu, C.; Xu, D. L.; Xu, X. W.; Yanez, J. P.; Yodh, G.; Yoshida, S.; Zarzhitsky, P.; Zoll, Marcel; show less...

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