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Search for a diffuse flux of astrophysical muon neutrinos with the IceCube 40-string detector

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Abstract
The IceCube Neutrino Observatory is a 1 km(3) detector currently taking data at the South Pole. One of the main strategies used to look for astrophysical neutrinos with IceCube is the search for a diffuse flux of high-energy neutrinos from unresolved sources. A hard energy spectrum of neutrinos from isotropically distributed astrophysical sources could manifest itself as a detectable signal that may be differentiated from the atmospheric neutrino background by spectral measurement. This analysis uses data from the IceCube detector collected in its half completed configuration which operated between April 2008 and May 2009 to search for a diffuse flux of astrophysical muon neutrinos. A total of 12 877 upward-going candidate neutrino events have been selected for this analysis. No evidence for a diffuse flux of astrophysical muon neutrinos was found in the data set leading to a 90% C. L. upper limit on the normalization of an E-2 astrophysical nu(mu) flux of 8.9 x 10(-9) GeV cm(-2) s(-1) sr(-1). The analysis is sensitive in the energy range between 35 TeV and 7 PeV. The 12 877 candidate neutrino events are consistent with atmospheric muon neutrinos measured from 332 GeV to 84 TeV and no evidence for a prompt component to the atmospheric neutrino spectrum is found.
Keywords
MODEL, COSMIC-RAYS, TELESCOPES, SELECTION, ICE, AMANDA

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Chicago
Abbasi, R, Yasser Abdou, T Abu-Zayyad, J Adams, JA Aguilar, M Ahlers, D Altmann, et al. 2011. “Search for a Diffuse Flux of Astrophysical Muon Neutrinos with the IceCube 40-string Detector.” Physical Review D 84 (8).
APA
Abbasi, R., Abdou, Y., Abu-Zayyad, T., Adams, J., Aguilar, J., Ahlers, M., Altmann, D., et al. (2011). Search for a diffuse flux of astrophysical muon neutrinos with the IceCube 40-string detector. PHYSICAL REVIEW D, 84(8).
Vancouver
1.
Abbasi R, Abdou Y, Abu-Zayyad T, Adams J, Aguilar J, Ahlers M, et al. Search for a diffuse flux of astrophysical muon neutrinos with the IceCube 40-string detector. PHYSICAL REVIEW D. 2011;84(8).
MLA
Abbasi, R, Yasser Abdou, T Abu-Zayyad, et al. “Search for a Diffuse Flux of Astrophysical Muon Neutrinos with the IceCube 40-string Detector.” PHYSICAL REVIEW D 84.8 (2011): n. pag. Print.
@article{2146587,
  abstract     = {The IceCube Neutrino Observatory is a 1 km(3) detector currently taking data at the South Pole. One of the main strategies used to look for astrophysical neutrinos with IceCube is the search for a diffuse flux of high-energy neutrinos from unresolved sources. A hard energy spectrum of neutrinos from isotropically distributed astrophysical sources could manifest itself as a detectable signal that may be differentiated from the atmospheric neutrino background by spectral measurement. This analysis uses data from the IceCube detector collected in its half completed configuration which operated between April 2008 and May 2009 to search for a diffuse flux of astrophysical muon neutrinos. A total of 12 877 upward-going candidate neutrino events have been selected for this analysis. No evidence for a diffuse flux of astrophysical muon neutrinos was found in the data set leading to a 90\% C. L. upper limit on the normalization of an E-2 astrophysical nu(mu) flux of 8.9 x 10(-9) GeV cm(-2) s(-1) sr(-1). The analysis is sensitive in the energy range between 35 TeV and 7 PeV. The 12 877 candidate neutrino events are consistent with atmospheric muon neutrinos measured from 332 GeV to 84 TeV and no evidence for a prompt component to the atmospheric neutrino spectrum is found.},
  articleno    = {082001},
  author       = {Abbasi, R and Abdou, Yasser and Abu-Zayyad, T and Adams, J and Aguilar, JA and Ahlers, M and Altmann, D and Andeen, K and Auffenberg, J and Bai, X and Baker, M and Barwick, SW and Bay, R and Alba, JLB and Beattie, K and Beatty, JJ and Bechet, S and Becker, JK and Becker, KH and Benabderrahmane, ML and BenZvi, S and Berdermann, J and Berghaus, P and Berley, D and Bernardini, E and Bertrand, D and Besson, DZ and Bindig, D and Bissok, M and Blaufuss, E and Blumenthal, J and Boersma, DJ and Bohm, C and Bose, D and Boser, S and Botner, O and Brown, AM and Buitink, S and Caballero-Mora, KS and Carson, Michael and Chirkin, D and Christy, B and Clem, J and Clevermann, F and Cohen, S and Colnard, C and Cowen, DF and D'Agostino, MV and Danninger, M and Daughhetee, J and Davis, JC and De Clercq, C and Demirors, L and Denger, T and Depaepe, O and Descamps, Freija and Desiati, P and De Vries-Uiterweerd, Garmt and DeYoung, T and Diaz-Velez, JC and Dierckxsens, M and Dreyer, J and Dumm, JP and Ehrlich, R and Eisch, J and Ellsworth, RW and Engdegard, O and Euler, S and Evenson, PA and Fadiran, O and Fazely, AR and Fedynitch, A and Feintzeig, J and Feusels, Tom and Filimonov, K and Finley, C and Fischer-Wasels, T and Foerster, MM and Fox, BD and Franckowiak, A and Franke, R and Gaisser, TK and Gallagher, J and Gerhardt, L and Gladstone, L and Glusenkamp, T and Goldschmidt, A and Goodman, JA and Gora, D and Grant, D and Griesel, T and Gross, A and Grullon, S and Gurtner, M and Ha, C and Haj Ismail, Abd Al Karim and Hallgren, A and Halzen, F and Han, K and Hanson, K and Heinen, D and Helbing, K and Herquet, P and Hickford, S and Hill, GC and Hoffman, KD and Homeier, A and Hoshina, K and Hubert, D and Huelsnitz, W and Hulss, JP and Hulth, PO and Hultqvist, K and Hussain, S and Ishihara, A and Jacobsen, J and Japaridze, GS and Johansson, H and Joseph, JM and Kampert, KH and Kappes, A and Karg, T and Karle, A and Kenny, P and Kiryluk, J and Kislat, F and Klein, SR and Kohne, JH and Kohnen, G and Kolanoski, H and Kopke, L and Kopper, S and Koskinen, DJ and Kowalski, M and Kowarik, T and Krasberg, M and Krings, T and Kroll, G and Kurahashi, N and Kuwabara, T and Labare, M and Lafebre, S and Laihem, K and Landsman, H and Larson, MJ and Lauer, R and Lunemann, J and Madsen, J and Majumdar, P and Marotta, A and Maruyama, R and Mase, K and Matis, HS and Meagher, K and Merck, M and Meszaros, P and Meures, T and Middell, E and Milke, N and Miller, J and Montaruli, T and Morse, R and Movit, SM and Nahnhauer, R and Nam, JW and Naumann, U and Niessen, P and Nygren, DR and Odrowski, S and Olivas, A and Olivo, M and O'Murchadha, A and Ono, M and Panknin, S and Paul, L and de los Heros, CP and Petrovic, J and Piegsa, A and Pieloth, D and Porrata, R and Posselt, J and Price, PB and Przybylski, GT and Rawlins, K and Redl, P and Resconi, E and Rhode, W and Ribordy, M and Rizzo, A and Rodrigues, JP and Roth, P and Rothmaier, F and Rott, C and Ruhe, T and Rutledge, D and Ruzybayev, B and Ryckbosch, Dirk and Sander, HG and Santander, M and Sarkar, S and Schatto, K and Schmidt, T and Schonwald, A and Schukraft, A and Schultes, A and Schulz, O and Schunck, M and Seckel, D and Semburg, B and Seo, SH and Sestayo, Y and Seunarine, S and Silvestri, A and Slipak, A and Spiczak, GM and Spiering, C and Stamatikos, M and Stanev, T and Stephens, G and Stezelberger, T and Stokstad, RG and Stossl, A and Stoyanov, S and Strahler, EA and Straszheim, T and Stur, M and Sullivan, GW and Swillens, Q and Taavola, H and Taboada, I and Tamburro, A and Tepe, A and Ter-Antonyan, S and Tilav, S and Toale, PA and Toscano, S and Tosi, D and Turcan, D and van Eijndhoven, N and Vandenbroucke, J and Van Overloop, Arne and van Santen, J and Vehring, M and Voge, M and Walck, C and Waldenmaier, T and Wallraff, M and Walter, M and Weaver, C and Wendt, C and Westerhoff, S and Whitehorn, N and Wiebe, K and Wiebusch, CH and Williams, DR and Wischnewski, R and Wissing, H and Wolf, M and Wood, TR and Woschnagg, K and Xu, C and Xu, XW and Yodh, G and Yoshida, S and Zarzhitsky, P and Zoll, M},
  issn         = {1550-7998},
  journal      = {PHYSICAL REVIEW D},
  language     = {eng},
  number       = {8},
  pages        = {20},
  title        = {Search for a diffuse flux of astrophysical muon neutrinos with the IceCube 40-string detector},
  url          = {http://dx.doi.org/10.1103/PhysRevD.84.082001},
  volume       = {84},
  year         = {2011},
}

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