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  • 1. Abbasi, R.
    et al.
    Abdou, Y.
    Abu-Zayyad, T.
    Adams, J.
    Aguilar, J. A.
    Ahlers, M.
    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.
    Becker, K. -H
    Benabderrahmane, M. L.
    Berdermann, J.
    Berghaus, P.
    Berley, D.
    Bernardini, E.
    Bertrand, D.
    Besson, D. Z.
    Bissok, M.
    Blaufuss, E.
    Boersma, D. J.
    Bohm, C.
    Bolmont, J.
    Botner, O.
    Bradley, L.
    Braun, J.
    Breder, D.
    Carson, M.
    Castermans, T.
    Chirkin, D.
    Christy, B.
    Clem, J.
    Cohen, S.
    Cowen, D. F.
    D'Agostino, M. V.
    Danninger, M.
    Day, C. T.
    De Clercq, C.
    Demiroers, L.
    Depaepe, O.
    Descamps, F.
    Desiati, P.
    de Vries-Uiterweerd, G.
    DeYoung, T.
    Diaz-Velez, J. C.
    Dreyer, J.
    Dumm, J. P.
    Duvoort, M. R.
    Edwards, W. R.
    Ehrlich, R.
    Eisch, J.
    Ellsworth, R. W.
    Engdegard, O.
    Euler, S.
    Evenson, P. A.
    Fadiran, O.
    Fazely, A. R.
    Feusels, T.
    Filimonov, K.
    Finley, C.
    Foerster, M. M.
    Fox, B. D.
    Franckowiak, A.
    Franke, R.
    Gaisser, T. K.
    Gallagher, J.
    Ganugapati, R.
    Gerhardt, L.
    Gladstone, L.
    Goldschmidt, A.
    Goodman, J. A.
    Gozzini, R.
    Grant, D.
    Griesel, T.
    Gross, A.
    Grullon, S.
    Gunasingha, R. M.
    Gurtner, M.
    Ha, C.
    Hallgren, A.
    Halzen, F.
    Han, K.
    Hanson, K.
    Hasegawa, Y.
    Helbing, K.
    Herquet, P.
    Hickford, S.
    Hill, G. C.
    Hoffman, K. D.
    Homeier, A.
    Hoshina, K.
    Hubert, D.
    Huelsnitz, W.
    Huelss, J. -P
    Hulth, P. O.
    Hultqvist, K.
    Hussain, S.
    Imlay, R. L.
    Inaba, M.
    Ishihara, A.
    Jacobsen, J.
    Japaridze, G. S.
    Johansson, H.
    Joseph, J. M.
    Kampert, K. -H
    Kappes, A.
    Karg, T.
    Karle, A.
    Kelley, J. L.
    Kemming, N.
    Kenny, P.
    Kiryluk, J.
    Kislat, F.
    Klein, S. R.
    Knops, S.
    Kohnen, G.
    Kolanoski, H.
    Koepke, L.
    Koskinen, D. J.
    Kowalski, M.
    Kowarik, T.
    Krasberg, M.
    Krings, T.
    Kroll, G.
    Kuehn, K.
    Kuwabara, T.
    Labare, M.
    Lafebre, S.
    Laihem, K.
    Landsman, H.
    Lauer, R.
    Lehmann, R.
    Lennarz, D.
    Lucke, A.
    Lundberg, J.
    Luenemann, J.
    Madsen, J.
    Majumdar, P.
    Maruyama, R.
    Mase, K.
    Matis, H. S.
    McParland, C. P.
    Meagher, K.
    Merck, M.
    Meszaros, P.
    Meures, T.
    Middell, E.
    Milke, N.
    Miyamoto, H.
    Montaruli, T.
    Morse, R.
    Movit, S. M.
    Nahnhauer, R.
    Nam, J. W.
    Niessen, P.
    Nygren, D. R.
    Odrowski, S.
    Olivas, A.
    Olivo, M.
    Ono, M.
    Panknin, S.
    Patton, S.
    Paul, L.
    de los Heros, C. Perez
    Petrovic, J.
    Piegsa, A.
    Pieloth, D.
    Pohl, Arvid
    Linnaeus University, Faculty of Science and Engineering, School of Computer Science, Physics and Mathematics.
    Porrata, R.
    Potthoff, N.
    Price, P. B.
    Prikockis, M.
    Przybylski, G. T.
    Rawlins, K.
    Redl, P.
    Resconi, E.
    Rhode, W.
    Ribordy, M.
    Rizzo, A.
    Rodrigues, J. P.
    Roth, P.
    Rothmaier, F.
    Rott, C.
    Roucelle, C.
    Rutledge, D.
    Ruzybayev, B.
    Ryckbosch, D.
    Sander, H. -G
    Sarkar, S.
    Schatto, K.
    Schlenstedt, S.
    Schmidt, T.
    Schneider, D.
    Schukraft, A.
    Schulz, O.
    Schunck, M.
    Seckel, D.
    Semburg, B.
    Seo, S. H.
    Sestayo, Y.
    Seunarine, S.
    Silvestri, A.
    Slipak, A.
    Spiczak, G. M.
    Spiering, C.
    Stamatikos, M.
    Stanev, T.
    Stephens, G.
    Stezelberger, T.
    Stokstad, R. G.
    Stoufer, M. C.
    Stoyanov, S.
    Strahler, E. A.
    Straszheim, T.
    Sulanke, K. -H
    Sullivan, G. W.
    Swillens, Q.
    Taboada, I.
    Tamburro, A.
    Tarasova, O.
    Tepe, A.
    Ter-Antonyan, S.
    Terranova, C.
    Tilav, S.
    Toale, P. A.
    Tooker, J.
    Tosi, D.
    Turcan, D.
    van Eijndhoven, N.
    Vandenbroucke, J.
    Van Overloop, A.
    van Santen, J.
    Voigt, B.
    Walck, C.
    Waldenmaier, T.
    Wallraff, M.
    Walter, M.
    Wendt, C.
    Westerhoff, S.
    Whitehorn, N.
    Wiebe, K.
    Wiebusch, C. H.
    Wiedemann, A.
    Wikstrom, G.
    Williams, D. R.
    Wischnewski, R.
    Wissing, H.
    Woschnagg, K.
    Xu, C.
    Xu, X. W.
    Yodh, G.
    Yoshida, S.
    Limits on a muon flux from Kaluza-Klein dark matter annihilations in the Sun from the IceCube 22-string detector2010In: Physical Review D, ISSN 1550-7998, E-ISSN 1550-2368, Vol. 81, no 5, p. Article ID: 057101-Article in journal (Refereed)
    Abstract [en]

    A search for muon neutrinos from Kaluza-Klein dark matter annihilations in the Sun has been performed with the 22-string configuration of the IceCube neutrino detector using data collected in 104.3 days of live time in 2007. No excess over the expected atmospheric background has been observed. Upper limits have been obtained on the annihilation rate of captured lightest Kaluza-Klein particle (LKP) WIMPs in the Sun and converted to limits on the LKP-proton cross sections for LKP masses in the range 250-3000 GeV. These results are the most stringent limits to date on LKP annihilation in the Sun.

  • 2. Abbasi, R.
    et al.
    Abdou, Y.
    Abu-Zayyad, T.
    Adams, J.
    Aguilar, J. A.
    Ahlers, M.
    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.
    Becker, K. -H
    Benabderrahmane, M. L.
    Berdermann, J.
    Berghaus, P.
    Berley, D.
    Bernardini, E.
    Bertrand, D.
    Besson, D. Z.
    Bissok, M.
    Blaufuss, E.
    Boersma, D. J.
    Bohm, C.
    Bolmont, J.
    Botner, O.
    Bradley, L.
    Braun, J.
    Breder, D.
    Castermans, T.
    Chirkin, D.
    Christy, B.
    Clem, J.
    Cohen, S.
    Cowen, D. F.
    D'Agostino, M. V.
    Danninger, M.
    Day, C. T.
    De Clercq, C.
    Demiroers, L.
    Depaepe, O.
    Descamps, F.
    Desiati, P.
    de Vries-Uiterweerd, G.
    DeYoung, T.
    Diaz-Velez, J. C.
    Dreyer, J.
    Dumm, J. P.
    Duvoort, M. R.
    Edwards, W. R.
    Ehrlich, R.
    Eisch, J.
    Ellsworth, R. W.
    Engdegard, O.
    Euler, S.
    Evenson, P. A.
    Fadiran, O.
    Fazely, A. R.
    Feusels, T.
    Filimonov, K.
    Finley, C.
    Foerster, M. M.
    Fox, B. D.
    Franckowiak, A.
    Franke, R.
    Gaisser, T. K.
    Gallagher, J.
    Ganugapati, R.
    Gerhardt, L.
    Gladstone, L.
    Goldschmidt, A.
    Goodman, J. A.
    Gozzini, R.
    Grant, D.
    Griesel, T.
    Gro, A.
    Grullon, S.
    Gunasingha, R. M.
    Gurtner, M.
    Ha, C.
    Hallgren, A.
    Halzen, F.
    Han, K.
    Hanson, K.
    Hasegawa, Y.
    Heise, J.
    Helbing, K.
    Herquet, P.
    Hickford, S.
    Hill, G. C.
    Hoffman, K. D.
    Hoshina, K.
    Hubert, D.
    Huelsnitz, W.
    Huelss, J. -P
    Hulth, P. O.
    Hultqvist, K.
    Hussain, S.
    Imlay, R. L.
    Inaba, M.
    Ishihara, A.
    Jacobsen, J.
    Japaridze, G. S.
    Johansson, H.
    Joseph, J. M.
    Kampert, K. -H
    Kappes, A.
    Karg, T.
    Karle, A.
    Kelley, J. L.
    Kenny, P.
    Kiryluk, J.
    Kislat, F.
    Klein, S. R.
    Knops, S.
    Kohnen, G.
    Kolanoski, H.
    Koepke, L.
    Kowalski, M.
    Kowarik, T.
    Krasberg, M.
    Kuehn, K.
    Kuwabara, T.
    Labare, M.
    Lafebre, S.
    Laihem, K.
    Landsman, H.
    Lauer, R.
    Lennarz, D.
    Lucke, A.
    Lundberg, J.
    Luenemann, J.
    Madsen, J.
    Majumdar, P.
    Maruyama, R.
    Mase, K.
    Matis, H. S.
    McParland, C. P.
    Meagher, K.
    Merck, M.
    Meszaros, P.
    Middell, E.
    Milke, N.
    Miyamoto, H.
    Mohr, A.
    Montaruli, T.
    Morse, R.
    Movit, S. M.
    Nahnhauer, R.
    Nam, J. W.
    Niessen, P.
    Nygren, D. R.
    Odrowski, S.
    Olivas, A.
    Olivo, M.
    Ono, M.
    Panknin, S.
    Patton, S.
    de los Heros, C. Perez
    Petrovic, J.
    Piegsa, A.
    Pieloth, D.
    Pohl, Arvid
    Linnaeus University, Faculty of Science and Engineering, School of Computer Science, Physics and Mathematics.
    Porrata, R.
    Potthoff, N.
    Price, P. B.
    Prikockis, M.
    Przybylski, G. T.
    Rawlins, K.
    Redl, P.
    Resconi, E.
    Rhode, W.
    Ribordy, M.
    Rizzo, A.
    Rodrigues, J. P.
    Roth, P.
    Rothmaier, F.
    Rott, C.
    Roucelle, C.
    Rutledge, D.
    Ryckbosch, D.
    Sander, H. -G
    Sarkar, S.
    Schlenstedt, S.
    Schmidt, T.
    Schneider, D.
    Schukraft, A.
    Schulz, O.
    Schunck, M.
    Seckel, D.
    Semburg, B.
    Seo, S. H.
    Sestayo, Y.
    Seunarine, S.
    Silvestri, A.
    Slipak, A.
    Spiczak, G. M.
    Spiering, C.
    Stamatikos, M.
    Stanev, T.
    Stephens, G.
    Stezelberger, T.
    Stokstad, R. G.
    Stoufer, M. C.
    Stoyanov, S.
    Strahler, E. A.
    Straszheim, T.
    Sulanke, K. -H
    Sullivan, G. W.
    Swillens, Q.
    Taboada, I.
    Tamburro, A.
    Tarasova, O.
    Tepe, A.
    Ter-Antonyan, S.
    Terranova, C.
    Tilav, S.
    Toale, P. A.
    Tooker, J.
    Tosi, D.
    Turcan, D.
    van Eijndhoven, N.
    Vandenbroucke, J.
    Van Overloop, A.
    Voigt, B.
    Walck, C.
    Waldenmaier, T.
    Walter, M.
    Wendt, C.
    Westerhoff, S.
    Whitehorn, N.
    Wiebusch, C. H.
    Wiedemann, A.
    Wikstroem, G.
    Williams, D. R.
    Wischnewski, R.
    Wissing, H.
    Woschnagg, K.
    Xu, X. W.
    Yodh, G.
    Yoshida, S.
    SEARCH FOR MUON NEUTRINOS FROM GAMMA-RAY BURSTS WITH THE IceCube NEUTRINO TELESCOPE2010In: Astrophysical Journal, ISSN 0004-637X, E-ISSN 1538-4357, Vol. 710, no 1, p. 346-359Article in journal (Refereed)
    Abstract [en]

    We present the results of searches for high-energy muon neutrinos from 41 gamma-ray bursts (GRBs) in the northern sky with the IceCube detector in its 22 string configuration active in 2007/2008. The searches cover both the prompt and a possible precursor emission as well as a model-independent, wide time window of -1 hr to + 3 hr around each GRB. In contrast to previous searches with a large GRB population, we do not utilize a standard Waxman-Bahcall GRB flux for the prompt emission but calculate individual neutrino spectra for all 41 GRBs from the burst parameters measured by satellites. For all of the three time windows, the best estimate for the number of signal events is zero. Therefore, we place 90% CL upper limits on the fluence from the prompt phase of 3.7 x 10(-3) erg cm(-2) (72 TeV-6.5 PeV) and on the fluence from the precursor phase of 2.3 x 10(-3) erg cm(-2) (2.2-55 TeV), where the quoted energy ranges contain 90% of the expected signal events in the detector. The 90% CL upper limit for the wide time window is 2.7 x 10(-3) erg cm(-2) (3 TeV-2.8 PeV) assuming an E-2 flux.

  • 3. Abbasi, R.
    et al.
    Abdou, Y.
    Abu-Zayyad, T.
    Adams, J.
    Aguilar, J. A.
    Ahlers, M.
    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.
    Becker, K. -H
    Benabderrahmane, M. L.
    Berdermann, J.
    Berghaus, P.
    Berley, D.
    Bernardini, E.
    Bertrand, D.
    Besson, D. Z.
    Bissok, M.
    Blaufuss, E.
    Boersma, D. J.
    Bohm, C.
    Bolmont, J.
    Botner, O.
    Bradley, L.
    Braun, J.
    Breder, D.
    Castermans, T.
    Chirkin, D.
    Christy, B.
    Clem, J.
    Cohen, S.
    Cowen, D. F.
    D'Agostino, M. V.
    Danninger, M.
    Day, C. T.
    De Clercq, C.
    Demiroers, L.
    Depaepe, O.
    Descamps, F.
    Desiati, P.
    de Vries-Uiterweerd, G.
    DeYoung, T.
    Diaz-Velez, J. C.
    Dreyer, J.
    Dumm, J. P.
    Duvoort, M. R.
    Edwards, W. R.
    Ehrlich, R.
    Eisch, J.
    Ellsworth, R. W.
    Engdegard, O.
    Euler, S.
    Evenson, P. A.
    Fadiran, O.
    Fazely, A. R.
    Feusels, T.
    Filimonov, K.
    Finley, C.
    Foerster, M. M.
    Fox, B. D.
    Franckowiak, A.
    Franke, R.
    Gaisser, T. K.
    Gallagher, J.
    Ganugapati, R.
    Gerhardt, L.
    Gladstone, L.
    Goldschmidt, A.
    Goodman, J. A.
    Gozzini, R.
    Grant, D.
    Griesel, T.
    Gross, A.
    Grullon, S.
    Gunasingha, R. M.
    Gurtner, M.
    Ha, C.
    Hallgren, A.
    Halzen, F.
    Han, K.
    Hanson, K.
    Hasegawa, Y.
    Heise, J.
    Helbing, K.
    Herquet, P.
    Hickford, S.
    Hill, G. C.
    Hoffman, K. D.
    Hoshina, K.
    Hubert, D.
    Huelsnitz, W.
    Huelss, J. -P
    Hulth, P. O.
    Hultqvist, K.
    Hussain, S.
    Imlay, R. L.
    Inaba, M.
    Ishihara, A.
    Jacobsen, J.
    Japaridze, G. S.
    Johansson, H.
    Joseph, J. M.
    Kampert, K. -H
    Kappes, A.
    Karg, T.
    Karle, A.
    Kelley, J. L.
    Kenny, P.
    Kiryluk, J.
    Kislat, F.
    Klein, S. R.
    Knops, S.
    Kohnen, G.
    Kolanoski, H.
    Koepke, L.
    Kowalski, M.
    Kowarik, T.
    Krasberg, M.
    Kuehn, K.
    Kuwabara, T.
    Labare, M.
    Lafebre, S.
    Laihem, K.
    Landsman, H.
    Lauer, R.
    Lennarz, D.
    Lucke, A.
    Lundberg, J.
    Luenemann, J.
    Madsen, J.
    Majumdar, P.
    Maruyama, R.
    Mase, K.
    Matis, H. S.
    McParland, C. P.
    Meagher, K.
    Merck, M.
    Meszaros, P.
    Middell, E.
    Milke, N.
    Miyamoto, H.
    Mohr, A.
    Montaruli, T.
    Morse, R.
    Movit, S. M.
    Muenich, K.
    Nahnhauer, R.
    Nam, J. W.
    Niessen, P.
    Nygren, D. R.
    Odrowski, S.
    Olivas, A.
    Olivo, M.
    Ono, M.
    Panknin, S.
    Patton, S.
    de los Heros, C. Perez
    Petrovic, J.
    Piegsa, A.
    Pieloth, D.
    Pohl, Arvid
    University of Kalmar, School of Pure and Applied Natural Sciences.
    Porrata, R.
    Potthoff, N.
    Price, P. B.
    Prikockis, M.
    Przybylski, G. T.
    Rawlins, K.
    Redl, P.
    Resconi, E.
    Rhode, W.
    Ribordy, M.
    Rizzo, A.
    Rodrigues, J. P.
    Roth, P.
    Rothmaier, F.
    Rott, C.
    Roucelle, C.
    Rutledge, D.
    Ryckbosch, D.
    Sander, H. -G
    Sarkar, S.
    Schlenstedt, S.
    Schmidt, T.
    Schneider, D.
    Schukraft, A.
    Schulz, O.
    Schunck, M.
    Seckel, D.
    Semburg, B.
    Seo, S. H.
    Sestayo, Y.
    Seunarine, S.
    Silvestri, A.
    Slipak, A.
    Spiczak, G. M.
    Spiering, C.
    Stamatikos, M.
    Stanev, T.
    Stephens, G.
    Stezelberger, T.
    Stokstad, R. G.
    Stoufer, M. C.
    Stoyanov, S.
    Strahler, E. A.
    Straszheim, T.
    Sulanke, K. -H
    Sullivan, G. W.
    Swillens, Q.
    Taboada, I.
    Tamburro, A.
    Tarasova, O.
    Tepe, A.
    Ter-Antonyan, S.
    Terranova, C.
    Tilav, S.
    Toale, P. A.
    Tosi, D.
    Turcan, D.
    van Eijndhoven, N.
    Vandenbroucke, J.
    Van Overloop, A.
    Voigt, B.
    Walck, C.
    Waldenmaier, T.
    Walter, M.
    Wendt, C.
    Westerhoff, S.
    Whitehorn, N.
    Wiebusch, C. H.
    Wiedemann, A.
    Wikstrom, G.
    Williams, D. R.
    Wischnewski, R.
    Wissing, H.
    Woschnagg, K.
    Xu, X. W.
    Yodh, G.
    Yoshida, S.
    SEARCH FOR HIGH-ENERGY MUON NEUTRINOS FROM THE "NAKED-EYE" GRB 080319B WITH THE IceCube NEUTRINO TELESCOPE2009In: Astrophysical Journal, ISSN 0004-637X, E-ISSN 1538-4357, Vol. 701, no 2, p. 1721-1731Article in journal (Refereed)
    Abstract [en]

    We report on a search with the IceCube detector for high-energy muon neutrinos from GRB 080319B, one of the brightest gamma-ray bursts (GRBs) ever observed. The fireball model predicts that a mean of 0.1 events should be detected by IceCube for a bulk Lorentz boost of the jet of 300. In both the direct on-time window of 66 s and an extended window of about 300 s around the GRB, no excess was found above background. The 90% CL upper limit on the number of track-like events from the GRB is 2.7, corresponding to a muon neutrino fluence limit of 9.5 x 10(-3) erg cm(-2) in the energy range between 120 TeV and 2.2 PeV, which contains 90% of the expected events.

  • 4. Abbasi, R.
    et al.
    Abdou, Y.
    Abu-Zayyad, T.
    Adams, J.
    Aguilar, J. A.
    Ahlers, M.
    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.
    Becker, K. -H
    Benabderrahmane, M. L.
    Berdermann, J.
    Berghaus, P.
    Berley, D.
    Bernardini, E.
    Bertrand, D.
    Besson, D. Z.
    Bissok, M.
    Blaufuss, E.
    Boersma, D. J.
    Bohm, C.
    Botner, O.
    Bradley, L.
    Braun, J.
    Breder, D.
    Carson, M.
    Castermans, T.
    Chirkin, D.
    Christy, B.
    Clem, J.
    Cohen, S.
    Cowen, D. F.
    D'Agostino, M. V.
    Danninger, M.
    Day, C. T.
    De Clercq, C.
    Demirors, L.
    Depaepe, O.
    Descamps, F.
    Desiati, P.
    de Vries-Uiterweerd, G.
    DeYoung, T.
    Diaz-Velez, J. C.
    Dreyer, J.
    Dumm, J. P.
    Duvoort, M. R.
    Edwards, W. R.
    Ehrlich, R.
    Eisch, J.
    Ellsworth, R. W.
    Engdegard, O.
    Euler, S.
    Evenson, P. A.
    Fadiran, O.
    Fazely, A. R.
    Feusels, T.
    Filimonov, K.
    Finley, C.
    Foerster, M. M.
    Fox, B. D.
    Franckowiak, A.
    Franke, R.
    Gaisser, T. K.
    Gallagher, J.
    Ganugapati, R.
    Gerhardt, L.
    Gladstone, L.
    Goldschmidt, A.
    Goodman, J. A.
    Gozzini, R.
    Grant, D.
    Griesel, T.
    Gross, A.
    Grullon, S.
    Gunasingha, R. M.
    Gurtner, M.
    Ha, C.
    Hallgren, A.
    Halzen, F.
    Han, K.
    Hanson, K.
    Hasegawa, Y.
    Helbing, K.
    Herquet, P.
    Hickford, S.
    Hill, G. C.
    Hoffman, K. D.
    Homeier, A.
    Hoshina, K.
    Hubert, D.
    Huelsnitz, W.
    Huelss, J. -P
    Hulth, P. O.
    Hultqvist, K.
    Hussain, S.
    Imlay, R. L.
    Inaba, M.
    Ishihara, A.
    Jacobsen, J.
    Japaridze, G. S.
    Johansson, H.
    Joseph, J. M.
    Kampert, K. -H
    Kappes, A.
    Karg, T.
    Karle, A.
    Kelley, J. L.
    Kemming, N.
    Kenny, P.
    Kiryluk, J.
    Kislat, F.
    Klein, S. R.
    Knops, S.
    Kohnen, G.
    Kolanoski, H.
    Koepke, L.
    Koskinen, D. J.
    Kowalski, M.
    Kowarik, T.
    Krasberg, M.
    Krings, T.
    Kroll, G.
    Kuehn, K.
    Kuwabara, T.
    Labare, M.
    Lafebre, S.
    Laihem, K.
    Landsman, H.
    Lauer, R.
    Lehmann, R.
    Lennarz, D.
    Lundberg, J.
    Luenemann, J.
    Madsen, J.
    Majumdar, P.
    Maruyama, R.
    Mase, K.
    Matis, H. S.
    McParland, C. P.
    Meagher, K.
    Merck, M.
    Meszaros, P.
    Meures, T.
    Middell, E.
    Milke, N.
    Miyamoto, H.
    Montaruli, T.
    Morse, R.
    Movit, S. M.
    Nahnhauer, R.
    Nam, J. W.
    Niessen, P.
    Nygren, D. R.
    Odrowski, S.
    Olivas, A.
    Olivo, M.
    Ono, M.
    Panknin, S.
    Patton, S.
    Paul, L.
    de los Heros, C. Perez
    Petrovic, J.
    Piegsa, A.
    Pieloth, D.
    Pohl, Arvid
    University of Kalmar, School of Pure and Applied Natural Sciences.
    Porrata, R.
    Potthoff, N.
    Price, P. B.
    Prikockis, M.
    Przybylski, G. T.
    Rawlins, K.
    Redl, P.
    Resconi, E.
    Rhode, W.
    Ribordy, M.
    Rizzo, A.
    Rodrigues, J. P.
    Roth, P.
    Rothmaier, F.
    Rott, C.
    Roucelle, C.
    Rutledge, D.
    Ruzybayev, B.
    Ryckbosch, D.
    Sander, H. -G
    Sarkar, S.
    Schatto, K.
    Schlenstedt, S.
    Schmidt, T.
    Schneider, D.
    Schukraft, A.
    Schulz, O.
    Schunck, M.
    Seckel, D.
    Semburg, B.
    Seo, S. H.
    Sestayo, Y.
    Seunarine, S.
    Silvestri, A.
    Slipak, A.
    Spiczak, G. M.
    Spiering, C.
    Stamatikos, M.
    Stanev, T.
    Stephens, G.
    Stezelberger, T.
    Stokstad, R. G.
    Stoufer, M. C.
    Stoyanov, S.
    Strahler, E. A.
    Straszheim, T.
    Sullivan, G. W.
    Swillens, Q.
    Taboada, I.
    Tamburro, A.
    Tarasova, O.
    Tepe, A.
    Ter-Antonyan, S.
    Terranova, C.
    Tilav, S.
    Toale, P. A.
    Tooker, J.
    Tosi, D.
    Turcan, D.
    van Eijndhoven, N.
    Vandenbroucke, J.
    Van Overloop, A.
    van Santen, J.
    Voigt, B.
    Walck, C.
    Waldenmaier, T.
    Wallraff, M.
    Walter, M.
    Wendt, C.
    Westerhoff, S.
    Whitehorn, N.
    Wiebe, K.
    Wiebusch, C. H.
    Wiedemann, A.
    Wikstrom, G.
    Williams, D. R.
    Wischnewski, R.
    Wissing, H.
    Woschnagg, K.
    Xu, C.
    Xu, X. W.
    Yodh, G.
    Yoshida, S.
    Extending the Search for Neutrino Point Sources with IceCube above the Horizon2009In: Physical Review Letters, ISSN 0031-9007, E-ISSN 1079-7114, Vol. 103, no 22, p. Article ID: 221102-Article in journal (Refereed)
    Abstract [en]

    Point source searches with the IceCube neutrino telescope have been restricted to one hemisphere, due to the exclusive selection of upward going events as a way of rejecting the atmospheric muon background. We show that the region above the horizon can be included by suppressing the background through energy-sensitive cuts. This improves the sensitivity above PeV energies, previously not accessible for declinations of more than a few degrees below the horizon due to the absorption of neutrinos in Earth. We present results based on data collected with 22 strings of IceCube, extending its field of view and energy reach for point source searches. No significant excess above the atmospheric background is observed in a sky scan and in tests of source candidates. Upper limits are reported, which for the first time cover point sources in the southern sky up to EeV energies.

  • 5. Abbasi, R.
    et al.
    Abdou, Y.
    Abu-Zayyad, T.
    Adams, J.
    Aguilar, J. A.
    Ahlers, M.
    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.
    Becker, K. -H
    Benabderrahmane, M. L.
    Berdermann, J.
    Berghaus, P.
    Berley, D.
    Bernardini, E.
    Bertrand, D.
    Besson, D. Z.
    Bissok, M.
    Blaufuss, E.
    Boersma, D. J.
    Bohm, C.
    Botner, O.
    Bradley, L.
    Braun, J.
    Buitink, S.
    Carson, M.
    Chirkin, D.
    Christy, B.
    Clem, J.
    Cohen, S.
    Colnard, C.
    Cowen, D. F.
    D'Agostino, M. V.
    Danninger, M.
    De Clercq, C.
    Demiroers, L.
    Depaepe, O.
    Descamps, F.
    Desiati, P.
    de Vries-Uiterweerd, G.
    DeYoung, T.
    Diaz-Velez, J. C.
    Dreyer, J.
    Dumm, J. P.
    Duvoort, M. R.
    Ehrlich, R.
    Eisch, J.
    Ellsworth, R. W.
    Engdegard, O.
    Euler, S.
    Evenson, P. A.
    Fadiran, O.
    Fazely, A. R.
    Feusels, T.
    Filimonov, K.
    Finley, C.
    Foerster, M. M.
    Fox, B. D.
    Franckowiak, A.
    Franke, R.
    Gaisser, T. K.
    Gallagher, J.
    Ganugapati, R.
    Geisler, M.
    Gerhardt, L.
    Gladstone, L.
    Goldschmidt, A.
    Goodman, J. A.
    Grant, D.
    Griesel, T.
    Gross, A.
    Grullon, S.
    Gunasingha, R. M.
    Gurtner, M.
    Ha, C.
    Hallgren, A.
    Halzen, F.
    Han, K.
    Hanson, K.
    Hasegawa, Y.
    Haugen, J.
    Helbing, K.
    Herquet, P.
    Hickford, S.
    Hill, G. C.
    Hoffman, K. D.
    Homeier, A.
    Hoshina, K.
    Hubert, D.
    Huelsnitz, W.
    Huelss, J. -P
    Hulth, P. O.
    Hultqvist, K.
    Hussain, S.
    Imlay, R. L.
    Inaba, M.
    Ishihara, A.
    Jacobsen, J.
    Japaridze, G. S.
    Johansson, H.
    Joseph, J. M.
    Kampert, K. -H
    Kappes, A.
    Karg, T.
    Karle, A.
    Kelley, J. L.
    Kemming, N.
    Kenny, P.
    Kiryluk, J.
    Kislat, F.
    Kitamura, N.
    Klein, S. R.
    Knops, S.
    Kohnen, G.
    Kolanoski, H.
    Koepke, L.
    Koskinen, D. J.
    Kowalski, M.
    Kowarik, T.
    Krasberg, M.
    Krings, T.
    Kroll, G.
    Kuehn, K.
    Kuwabara, T.
    Labare, M.
    Lafebre, S.
    Laihem, K.
    Landsman, H.
    Lauer, R.
    Laundrie, A.
    Lehmann, R.
    Lennarz, D.
    Luenemann, J.
    Madsen, J.
    Majumdar, P.
    Maruyama, R.
    Mase, K.
    Matis, H. S.
    Matusik, M.
    Meagher, K.
    Merck, M.
    Meszaros, P.
    Meures, T.
    Middell, E.
    Milke, N.
    Miyamoto, H.
    Montaruli, T.
    Morse, R.
    Movit, S. M.
    Nahnhauer, R.
    Nam, J. W.
    Naumann, U.
    Niessen, P.
    Nygren, D. R.
    Odrowski, S.
    Olivas, A.
    Olivo, M.
    Ono, M.
    Panknin, S.
    Paul, L.
    de los Heros, C. Perez
    Petrovic, J.
    Piegsa, A.
    Pieloth, D.
    Pohl, Arvid
    Linnaeus University, Faculty of Science and Engineering, School of Computer Science, Physics and Mathematics.
    Porrata, R.
    Posselt, J.
    Price, P. B.
    Prikockis, M.
    Przybylski, G. T.
    Rawlins, K.
    Redl, P.
    Resconi, E.
    Rhode, W.
    Ribordy, M.
    Rizzo, A.
    Robl, P.
    Rodrigues, J. P.
    Roth, P.
    Rothmaier, F.
    Rott, C.
    Roucelle, C.
    Rutledge, D.
    Ruzybayev, B.
    Ryckbosch, D.
    Sander, H. -G
    Sandstrom, P.
    Sarkar, S.
    Schatto, K.
    Schlenstedt, S.
    Schmidt, T.
    Schneider, D.
    Schukraft, A.
    Schultes, A.
    Schulz, O.
    Schunck, M.
    Seckel, D.
    Semburg, B.
    Seo, S. H.
    Sestayo, Y.
    Seunarine, S.
    Silvestri, A.
    Slipak, A.
    Spiczak, G. M.
    Spiering, C.
    Stamatikos, M.
    Stanev, T.
    Stephens, G.
    Stezelberger, T.
    Stokstad, R. G.
    Stoyanov, S.
    Strahler, E. A.
    Straszheim, T.
    Sullivan, G. W.
    Swillens, Q.
    Taboada, I.
    Tamburro, A.
    Tarasova, O.
    Tepe, A.
    Ter-Antonyan, S.
    Terranova, C.
    Tilav, S.
    Toale, P. A.
    Tosi, D.
    Turcan, D.
    van Eijndhoven, N.
    Vandenbroucke, J.
    Van Overloop, A.
    van Santen, J.
    Voigt, B.
    Wahl, D.
    Walck, C.
    Waldenmaier, T.
    Wallraff, M.
    Walter, M.
    Wendt, C.
    Westerhoff, S.
    Whitehorn, N.
    Wiebe, K.
    Wiebusch, C. H.
    Wikstrom, G.
    Williams, D. R.
    Wischnewski, R.
    Wissing, H.
    Woschnagg, K.
    Xu, C.
    Xu, X. W.
    Yodh, G.
    Yoshida, S.
    Zarzhitsky, P.
    Calibration and characterization of the IceCube photomultiplier tube2010In: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, ISSN 0168-9002, E-ISSN 1872-9576, Vol. 618, no 1-3, p. 139-152Article in journal (Refereed)
    Abstract [en]

    Over 5000 PMTs are being deployed at the South Pole to compose the IceCube neutrino observatory. Many are placed deep in the ice to detect Cherenkov light emitted by the products of high-energy neutrino interactions, and others are frozen into tanks on the surface to detect particles from atmospheric cosmic ray showers. IceCube is using the 10-in. diameter R7081-02 made by Hamamatsu Photonics. This paper describes the laboratory characterization and calibration of these PMTs before deployment. PMTs were illuminated with pulses ranging from single photons to saturation level. Parameterizations are given for the single photoelectron charge spectrum and the saturation behavior. Time resolution, late pulses and afterpulses are characterized. Because the PMTs are relatively large, the cathode sensitivity uniformity was measured. The absolute photon detection efficiency was calibrated using Rayleigh-scattered photons from a nitrogen laser. Measured characteristics are discussed in the context of their relevance to IceCube event reconstruction and simulation efforts. (C) 2010 Elsevier B.V. All rights reserved.

  • 6. Abbasi, R.
    et al.
    Abdou, Y.
    Ackermann, M.
    Adams, J.
    Aguilar, J. A.
    Ahlers, M.
    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.
    Becker, K. -H
    Benabderrahmane, M. L.
    Berdermann, J.
    Berghaus, P.
    Berley, D.
    Bernardini, E.
    Bertrand, D.
    Besson, D. Z.
    Bissok, M.
    Blaufuss, E.
    Boersma, D. J.
    Bohm, C.
    Bolmont, J.
    Boeser, S.
    Botner, O.
    Bradley, L.
    Braun, J.
    Breder, D.
    Castermans, T.
    Chirkin, D.
    Christy, B.
    Clem, J.
    Cohen, S.
    Cowen, D. F.
    D'Agostino, M. V.
    Danninger, M.
    Day, C. T.
    De Clercq, C.
    Demiroers, L.
    Depaepe, O.
    Descamps, F.
    Desiati, P.
    de Vries-Uiterweerd, G.
    DeYoung, T.
    Diaz-Velez, J. C.
    Dreyer, J.
    Dumm, J. P.
    Duvoort, M. R.
    Edwards, W. R.
    Ehrlich, R.
    Eisch, J.
    Ellsworth, R. W.
    Engdegard, O.
    Euler, S.
    Evenson, P. A.
    Fadiran, O.
    Fazely, A. R.
    Feusels, T.
    Filimonov, K.
    Finley, C.
    Foerster, M. M.
    Fox, B. D.
    Franckowiak, A.
    Franke, R.
    Gaisser, T. K.
    Gallagher, J.
    Ganugapati, R.
    Gerhardt, L.
    Gladstone, L.
    Goldschmidt, A.
    Goodman, J. A.
    Gozzini, R.
    Grant, D.
    Griesel, T.
    Gross, A.
    Grullon, S.
    Gunasingha, R. M.
    Gurtner, M.
    Ha, C.
    Hallgren, A.
    Halzen, F.
    Han, K.
    Hanson, K.
    Hasegawa, Y.
    Heise, J.
    Helbing, K.
    Herquet, P.
    Hickford, S.
    Hill, G. C.
    Hoffman, K. D.
    Hoshina, K.
    Hubert, D.
    Huelsnitz, W.
    Huelss, J. -P
    Hulth, P. O.
    Hultqvist, K.
    Hussain, S.
    Imlay, R. L.
    Inaba, M.
    Ishihara, A.
    Jacobsen, J.
    Japaridze, G. S.
    Johansson, H.
    Joseph, J. M.
    Kampert, K. -H
    Kappes, A.
    Karg, T.
    Karle, A.
    Kelley, J. L.
    Kenny, P.
    Kiryluk, J.
    Kislat, F.
    Klein, S. R.
    Klepser, S.
    Knops, S.
    Kohnen, G.
    Kolanoski, H.
    Koepke, L.
    Kowalski, M.
    Kowarik, T.
    Krasberg, M.
    Kuehn, K.
    Kuwabara, T.
    Labare, M.
    Lafebre, S.
    Laihem, K.
    Landsman, H.
    Lauer, R.
    Leich, H.
    Lennarz, D.
    Lucke, A.
    Lundberg, J.
    Luenemann, J.
    Madsen, J.
    Majumdar, P.
    Maruyama, R.
    Mase, K.
    Matis, H. S.
    McParland, C. P.
    Meagher, K.
    Merck, M.
    Meszaros, P.
    Middell, E.
    Milke, N.
    Miyamoto, H.
    Mohr, A.
    Montaruli, T.
    Morse, R.
    Movit, S. M.
    Muenich, K.
    Nahnhauer, R.
    Nam, J. W.
    Niessen, P.
    Nygren, D. R.
    Odrowski, S.
    Olivas, A.
    Olivo, M.
    Ono, M.
    Panknin, S.
    Patton, S.
    de los Heros, C. Perez
    Petrovic, J.
    Piegsa, A.
    Pieloth, D.
    Pohl, Arvid
    Linnaeus University, Faculty of Science and Engineering, School of Computer Science, Physics and Mathematics.
    Porrata, R.
    Potthoff, N.
    Price, P. B.
    Prikockis, M.
    Przybylski, G. T.
    Rawlins, K.
    Redl, P.
    Resconi, E.
    Rhode, W.
    Ribordy, M.
    Rizzo, A.
    Rodrigues, J. P.
    Roth, P.
    Rothmaier, F.
    Rott, C.
    Roucelle, C.
    Rutledge, D.
    Ryckbosch, D.
    Sander, H. -G
    Sarkar, S.
    Satalecka, K.
    Schlenstedt, S.
    Schmidt, T.
    Schneider, D.
    Schukraft, A.
    Schulz, O.
    Schunck, M.
    Seckel, D.
    Semburg, B.
    Seo, S. H.
    Sestayo, Y.
    Seunarine, S.
    Silvestri, A.
    Slipak, A.
    Spiczak, G. M.
    Spiering, C.
    Stamatikos, M.
    Stanev, T.
    Stephens, G.
    Stezelberger, T.
    Stokstad, R. G.
    Stoufer, M. C.
    Stoyanov, S.
    Strahler, E. A.
    Straszheim, T.
    Sulanke, K. -H
    Sullivan, G. W.
    Swillens, Q.
    Taboada, I.
    Tarasova, O.
    Tepe, A.
    Ter-Antonyan, S.
    Terranova, C.
    Tilav, S.
    Tluczykont, M.
    Toale, P. A.
    Tosi, D.
    Turcan, D.
    van Eijndhoven, N.
    Vandenbroucke, J.
    Van Overloop, A.
    Vogt, C.
    Voigt, B.
    Walck, C.
    Waldenmaier, T.
    Walter, M.
    Wendt, C.
    Westerhoff, S.
    Whitehorn, N.
    Wiebusch, C. H.
    Wiedemann, A.
    Wikstrom, G.
    Williams, D. R.
    Wischnewski, R.
    Wissing, H.
    Woschnagg, K.
    Xu, X. W.
    Yodh, G.
    Yoshida, S.
    Measurement of sound speed vs. depth in South Pole ice for neutrino astronomy2010In: Astroparticle physics, ISSN 0927-6505, E-ISSN 1873-2852, Vol. 33, no 5-6, p. 277-286Article in journal (Refereed)
    Abstract [en]

    We have measured the speed of both pressure waves and shear waves as a function of depth between 80 and 500 m depth in South Pole ice with better than 1% precision. The measurements were made using the South Pole Acoustic Test Setup (SPATS), an array of transmitters and sensors deployed in the ice at the South Pole in order to measure the acoustic properties relevant to acoustic detection of astrophysical neutrinos. The transmitters and sensors use piezoceramics operating at similar to 5-25 kHz. Between 200 m and 500 m depth, the measured profile is consistent with zero variation of the sound speed with depth, resulting in zero refraction, for both pressure and shear waves. We also performed a complementary study featuring an explosive signal propagating vertically from 50 to 2250 m depth, from which we determined a value for the pressure wave speed consistent with that determined for shallower depths, higher frequencies, and horizontal propagation with the SPATS sensors. The sound speed profile presented here can be used to achieve good acoustic source position and emission time reconstruction in general, and neutrino direction and energy reconstruction in particular. The reconstructed quantities could also help separate neutrino signals from background. (C) 2010 Elsevier B.V. All rights reserved.

  • 7. Abbasi, R.
    et al.
    Abdou, Y.
    Ackermann, M.
    Adams, J.
    Ahlers, M.
    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.
    Becker, K. -H
    Benabderrahmane, M. L.
    Berdermann, J.
    Berghaus, P.
    Berley, D.
    Bernardini, E.
    Bertrand, D.
    Besson, D. Z.
    Bissok, M.
    Blaufuss, E.
    Boersma, D. J.
    Bohm, C.
    Bolmont, J.
    Boeser, S.
    Botner, O.
    Bradley, L.
    Braun, J.
    Breder, D.
    Burgess, T.
    Castermans, T.
    Chirkin, D.
    Christy, B.
    Clem, J.
    Cohen, S.
    Cowen, D. F.
    D'Agostino, M. V.
    Danninger, M.
    Day, C. T.
    De Clercq, C.
    Demiroers, L.
    Depaepe, O.
    Descamps, F.
    Desiati, P.
    de Vries-Uiterweerd, G.
    DeYoung, T.
    Diaz-Velez, J. C.
    Dreyer, J.
    Dumm, J. P.
    Duvoort, M. R.
    Edwards, W. R.
    Ehrlich, R.
    Eisch, J.
    Ellsworth, R. W.
    Engdegard, O.
    Euler, S.
    Evenson, P. A.
    Fadiran, O.
    Fazely, A. R.
    Feusels, T.
    Filimonov, K.
    Finley, C.
    Foerster, M. M.
    Fox, B. D.
    Franckowiak, A.
    Franke, R.
    Gaisser, T. K.
    Gallagher, J.
    Ganugapati, R.
    Gerhardt, L.
    Gladstone, L.
    Goldschmidt, A.
    Goodman, J. A.
    Gozzini, R.
    Grant, D.
    Griesel, T.
    Gross, A.
    Grullon, S.
    Gunasingha, R. M.
    Gurtner, M.
    Ha, C.
    Hallgren, A.
    Halzen, F.
    Han, K.
    Hanson, K.
    Hasegawa, Y.
    Heise, J.
    Helbing, K.
    Herquet, P.
    Hickford, S.
    Hill, G. C.
    Hoffman, K. D.
    Hoshina, K.
    Hubert, D.
    Huelsnitz, W.
    Huelss, J. -P
    Hulth, P. O.
    Hultqvist, K.
    Hussain, S.
    Imlay, R. L.
    Inaba, M.
    Ishihara, A.
    Jacobsen, J.
    Japaridze, G. S.
    Johansson, H.
    Joseph, J. M.
    Kampert, K. -H
    Kappes, A.
    Karg, T.
    Karle, A.
    Kelley, J. L.
    Kenny, P.
    Kiryluk, J.
    Kislat, F.
    Klein, S. R.
    Klepser, S.
    Knops, S.
    Kohnen, G.
    Kolanoski, H.
    Koepke, L.
    Kowalski, M.
    Kowarik, T.
    Krasberg, M.
    Kuehn, K.
    Kuwabara, T.
    Labare, M.
    Lafebre, S.
    Laihem, K.
    Landsman, H.
    Lauer, R.
    Leich, H.
    Lennarz, D.
    Lucke, A.
    Lundberg, J.
    Luenemann, J.
    Madsen, J.
    Majumdar, P.
    Maruyama, R.
    Mase, K.
    Matis, H. S.
    McParland, C. P.
    Meagher, K.
    Merck, M.
    Meszaros, P.
    Middell, E.
    Milke, N.
    Miyamoto, H.
    Mohr, A.
    Montaruli, T.
    Morse, R.
    Movit, S. M.
    Muenich, K.
    Nahnhauer, R.
    Nam, J. W.
    Niessen, P.
    Nygren, D. R.
    Odrowski, S.
    Olivas, A.
    Olivo, M.
    Ono, M.
    Panknin, S.
    Patton, S.
    de los Heros, C. Perez
    Petrovic, J.
    Piegsa, A.
    Pieloth, D.
    Pohl, Arvid
    University of Kalmar, School of Pure and Applied Natural Sciences.
    Porrata, R.
    Potthoff, N.
    Price, P. B.
    Prikockis, M.
    Przybylski, G. T.
    Rawlins, K.
    Redl, P.
    Resconi, E.
    Rhode, W.
    Ribordy, M.
    Rizzo, A.
    Rodrigues, J. P.
    Roth, P.
    Rothmaier, F.
    Rott, C.
    Roucelle, C.
    Rutledge, D.
    Ryckbosch, D.
    Sander, H. -G
    Sarkar, S.
    Satalecka, K.
    Schlenstedt, S.
    Schmidt, T.
    Schneider, D.
    Schukraft, A.
    Schulz, O.
    Schunck, M.
    Seckel, D.
    Semburg, B.
    Seo, S. H.
    Sestayo, Y.
    Seunarine, S.
    Silvestri, A.
    Slipak, A.
    Spiczak, G. M.
    Spiering, C.
    Stamatikos, M.
    Stanev, T.
    Stephens, G.
    Stezelberger, T.
    Stokstad, R. G.
    Stoufer, M. C.
    Stoyanov, S.
    Strahler, E. A.
    Straszheim, T.
    Sulanke, K. -H
    sullivan, G. W.
    Swillens, Q.
    Taboada, I.
    Tarasova, O.
    Tepe, A.
    Ter-Antonyan, S.
    Terranova, C.
    Tilav, S.
    Tluczykont, M.
    Toale, P. A.
    Tosi, D.
    Turcan, D.
    van Eijndhoven, N.
    Vandenbroucke, J.
    Van Overloop, A.
    Voigt, B.
    Walck, C.
    Waldenmaier, T.
    Walter, M.
    Wendt, C.
    Westerhoff, S.
    Whitehorn, N.
    Wiebusch, C. H.
    Wiedemann, A.
    Wikstrom, G.
    Williams, D. R.
    Wischnewski, R.
    Wissing, H.
    Woschnagg, K.
    Xu, X. W.
    Yodh, G.
    Yoshida, S.
    Limits on a Muon Flux from Neutralino Annihilations in the Sun with the IceCube 22-String Detector2009In: Physical Review Letters, ISSN 0031-9007, E-ISSN 1079-7114, Vol. 102, no 20, p. Article ID: 201302-Article in journal (Refereed)
    Abstract [en]

    A search for muon neutrinos from neutralino annihilations in the Sun has been performed with the IceCube 22-string neutrino detector using data collected in 104.3 days of live time in 2007. No excess over the expected atmospheric background has been observed. Upper limits have been obtained on the annihilation rate of captured neutralinos in the Sun and converted to limits on the weakly interacting massive particle (WIMP) proton cross sections for WIMP masses in the range 250-5000 GeV. These results are the most stringent limits to date on neutralino annihilation in the Sun.

  • 8. Abbasi, R.
    et al.
    Abdou, Y.
    Ackermann, M.
    Adams, J.
    Ahlers, M.
    Andeen, K.
    Auffenberg, J.
    Bai, X.
    Baker, M.
    Barwick, S. W.
    Bay, R.
    Alba, J. L. Bazo
    Beattie, K.
    Bechet, S.
    Becker, J. K.
    Becker, K. -H
    Benabderrahmane, M. L.
    Berdermann, J.
    Berghaus, P.
    Berley, D.
    Bernardini, E.
    Bertrand, D.
    Besson, D. Z.
    Bissok, M.
    Blaufuss, E.
    Boersma, D. J.
    Bohm, C.
    Bolmont, J.
    Boeser, S.
    Botner, O.
    Bradley, L.
    Braun, J.
    Breder, D.
    Burgess, T.
    Castermans, T.
    Chirkin, D.
    Christy, B.
    Clem, J.
    Cohen, S.
    Cowen, D. F.
    D'Agostino, M. V.
    Danninger, M.
    Day, C. T.
    De Clercq, C.
    Demiroers, L.
    Depaepe, O.
    Descamps, F.
    Desiati, P.
    de Vries-Uiterweerd, G.
    DeYoung, T.
    Diaz-Velez, J. C.
    Dreyer, J.
    Dumm, J. P.
    Duvoort, M. R.
    Edwards, W. R.
    Ehrlich, R.
    Eisch, J.
    Ellsworth, R. W.
    Engdegard, O.
    Euler, S.
    Evenson, P. A.
    Fadiran, O.
    Fazely, A. R.
    Feusels, T.
    Filimonov, K.
    Finley, C.
    Foerster, M. M.
    Fox, B. D.
    Franckowiak, A.
    Franke, R.
    Gaisser, T. K.
    Gallagher, J.
    Ganugapati, R.
    Gerhardt, L.
    Gladstone, L.
    Goldschmidt, A.
    Goodman, J. A.
    Gozzini, R.
    Grant, D.
    Griesel, T.
    Gross, A.
    Grullon, S.
    Gunasingha, R. M.
    Gurtner, M.
    Ha, C.
    Hallgren, A.
    Halzen, F.
    Han, K.
    Hanson, K.
    Hasegawa, Y.
    Heise, J.
    Helbing, K.
    Herquet, P.
    Hickford, S.
    Hill, G. C.
    Hoffman, K. D.
    Hoshina, K.
    Hubert, D.
    Huelsnitz, W.
    Huelss, J. -P
    Hulth, P. O.
    Hultqvist, K.
    Hussain, S.
    Imlay, R. L.
    Inaba, M.
    Ishihara, A.
    Jacobsen, J.
    Japaridze, G. S.
    Johansson, H.
    Joseph, J. M.
    Kampert, K. -H
    Kappes, A.
    Karg, T.
    Karle, A.
    Kelley, J. L.
    Kenny, P.
    Kiryluk, J.
    Kislat, F.
    Klein, S. R.
    Klepser, S.
    Knops, S.
    Kohnen, G.
    Kolanoski, H.
    Koepke, L.
    Kowalski, M.
    Kowarik, T.
    Krasberg, M.
    Kuehn, K.
    Kuwabara, T.
    Labare, M.
    Laihem, K.
    Landsman, H.
    Lauer, R.
    Leich, H.
    Lennarz, D.
    Lucke, A.
    Lundberg, J.
    Luenemann, J.
    Madsen, J.
    Majumdar, P.
    Maruyama, R.
    Mase, K.
    Matis, H. S.
    McParland, C. P.
    Meagher, K.
    Merck, M.
    Meszaros, P.
    Middell, E.
    Milke, N.
    Miyamoto, H.
    Mohr, A.
    Montaruli, T.
    Morse, R.
    Movit, S. M.
    Muenich, K.
    Nahnhauer, R.
    Nam, J. W.
    Niessen, P.
    Nygren, D. R.
    Odrowski, S.
    Olivas, A.
    Olivo, M.
    Ono, M.
    Panknin, S.
    Patton, S.
    de los Heros, C. Perez
    Petrovic, J.
    Piegsa, A.
    Pieloth, D.
    Pohl, Arvid
    University of Kalmar, School of Pure and Applied Natural Sciences.
    Porrata, R.
    Potthoff, N.
    Price, P. B.
    Prikockis, M.
    Przybylski, G. T.
    Rawlins, K.
    Redl, P.
    Resconi, E.
    Rhode, W.
    Ribordy, M.
    Rizzo, A.
    Rodrigues, J. P.
    Roth, P.
    Rothmaier, F.
    Rott, C.
    Roucelle, C.
    Rutledge, D.
    Ryckbosch, D.
    Sander, H. -G
    Sarkar, S.
    Satalecka, K.
    Schlenstedt, S.
    Schmidt, T.
    Schneider, D.
    Schukraft, A.
    Schulz, O.
    Schunck, M.
    Seckel, D.
    Semburg, B.
    Seo, S. H.
    Sestayo, Y.
    Seunarine, S.
    Silvestri, A.
    Slipak, A.
    Spiczak, G. M.
    Spiering, C.
    Stanev, T.
    Stephens, G.
    Stezelberger, T.
    Stokstad, R. G.
    Stoufer, M. C.
    Stoyanov, S.
    Strahler, E. A.
    Straszheim, T.
    Sulanke, K. -H
    Sullivan, G. W.
    Swillens, Q.
    Taboada, I.
    Tarasova, O.
    Tepe, A.
    Ter-Antonyan, S.
    Terranova, C.
    Tilav, S.
    Tluczykont, M.
    Toale, P. A.
    Tosi, D.
    Turcan, D.
    van Eijndhoven, N.
    Vandenbroucke, J.
    Van Overloop, A.
    Voigt, B.
    Walck, C.
    Waldenmaier, T.
    Walter, M.
    Wendt, C.
    Westerhoff, S.
    Whitehorn, N.
    Wiebusch, C. H.
    Wiedemann, A.
    Wikstrom, G.
    Williams, D. R.
    Wischnewski, R.
    Wissing, H.
    Woschnagg, K.
    Xu, X. W.
    Yodh, G.
    Yoshida, S.
    Determination of the atmospheric neutrino flux and searches for new physics with AMANDA-II2009In: Physical Review D, ISSN 1550-7998, E-ISSN 1550-2368, Vol. 79, no 10, p. Article ID: 102005-Article in journal (Refereed)
    Abstract [en]

    The AMANDA-II detector, operating since 2000 in the deep ice at the geographic South Pole, has accumulated a large sample of atmospheric muon neutrinos in the 100 GeV to 10 TeV energy range. The zenith angle and energy distribution of these events can be used to search for various phenomenological signatures of quantum gravity in the neutrino sector, such as violation of Lorentz invariance or quantum decoherence. Analyzing a set of 5511 candidate neutrino events collected during 1387 days of livetime from 2000 to 2006, we find no evidence for such effects and set upper limits on violation of Lorentz invariance and quantum decoherence parameters using a maximum likelihood method. Given the absence of evidence for new flavor-changing physics, we use the same methodology to determine the conventional atmospheric muon neutrino flux above 100 GeV.

  • 9. Abbasi, R.
    et al.
    Ackermann, M.
    Adams, J.
    Ahlers, M.
    Ahrens, J.
    Andeen, K.
    Auffenberge, J.
    Bai, X.
    Baker, M.
    Barwick, S. W.
    Bay, R.
    Alba, J. L. Bazo
    Beattie, K.
    Becka, T.
    Becker, J. K.
    Becker, K-H
    Berghaus, P.
    Berley, D.
    Bernardini, E.
    Bertrand, D.
    Besson, D. Z.
    Bingham, B.
    Blaufuss, E.
    Boersma, D. J.
    Bohm, C.
    Bolmont, J.
    Boeser, S.
    Botner, O.
    Braun, J.
    Breeder, D.
    Burgess, T.
    Carithers, W.
    Castermans, T.
    Chen, H.
    Chirkin, D.
    Christy, B.
    Clem, J.
    Cowen, D. F.
    D'Agostino, M. V.
    Danninger, M.
    Davour, A.
    Day, C. T.
    Depaepe, O.
    De Clercq, C.
    Demiroers, L.
    Descamps, F.
    Desiati, P.
    de Vries-Uiterweerd, G.
    DeYoung, T.
    Diaz-Velez, J. C.
    Dreyer, J.
    Dumm, J. P.
    Duvoort, M. R.
    Edwards, W. R.
    Ehrlich, R.
    Eisch, J.
    Ellsworth, R. W.
    Engdegard, O.
    Euler, S.
    Evenson, P. A.
    Fadiran, O.
    Fazely, A. R.
    Feusels, T.
    Filimonov, K.
    Finley, C.
    Foerster, M. M.
    Fox, B. D.
    Franckowiak, A.
    Franke, R.
    Gaisser, T. K.
    Gallagher, J.
    Ganugapati, R.
    Gerhardt, L.
    Gladstone, L.
    Glowacki, D.
    Goldschmidt, A.
    Goodman, J. A.
    Gozzini, R.
    Grant, D.
    Griesel, T.
    Gross, A.
    Grullon, S.
    Gunasingha, R. M.
    Gurtner, M.
    Ha, C.
    Hallgren, A.
    Halzen, F.
    Han, K.
    Hanson, K.
    Hardtke, R.
    Hasegawa, Y.
    Haugen, J.
    Hays, D.
    Heise, J.
    Helbing, K.
    Hellwig, M.
    Herquet, P.
    Hickford, S.
    Hill, G. C.
    Hodges, J.
    Hoffman, K. D.
    Hoshina, K.
    Hubert, D.
    Huelsnitz, W.
    Hughey, B.
    Huss, J-P
    Hulth, P. O.
    Hultqvist, K.
    Hussain, S.
    Imlay, R. L.
    Inaba, M.
    Ishiharai, A.
    Jacobsen, J.
    Japaridze, G. S.
    Johansson, H.
    Jones, A.
    Joseph, J. M.
    Kampert, K-H
    Kappes, A.
    Karg, T.
    Karle, A.
    Kawai, H.
    Kelley, J. L.
    Kiryluk, J.
    Kislat, F.
    Klein, S. R.
    Kleinfelder, S.
    Klepser, S.
    Kohnen, G.
    Kolanoski, H.
    Koepke, L.
    Kowalski, M.
    Kowarik, T.
    Krasberg, M.
    Kuehn, K.
    Kujawski, E.
    Kuwabara, T.
    Labare, M.
    Laihem, K.
    Landsman, H.
    Lauer, R.
    Laundrie, A.
    Leich, H.
    Leier, D.
    Lewis, C.
    Lucke, A.
    Ludvig, J.
    Lundberg, J.
    Luenemann, J.
    Madsen, J.
    Maruyama, R.
    Mase, K.
    Matis, H. S.
    McParland, C. P.
    Meagher, K.
    Meli, A.
    Merck, M.
    Messarius, T.
    Meszaros, P.
    Minor, R. H.
    Miyamoto, H.
    Mohr, A.
    Mokhtarani, A.
    Montaruli, T.
    Morse, R.
    Movit, S. M.
    Muenich, K.
    Muratas, A.
    Nahnhauer, R.
    Nam, J. W.
    Niessen, P.
    Nygren, D. R.
    Odrowski, S.
    Olivas, A.
    Olivo, M.
    Ono, M.
    Panknin, S.
    Patton, S.
    de los Heros, C. Perez
    Petrovic, J.
    Piegsa, A.
    Pieloth, D.
    Pohl, Arvid
    University of Kalmar, School of Pure and Applied Natural Sciences.
    Porrata, R.
    Potthoff, N.
    Pretz, J.
    Price, P. B.
    Przybylski, G. T.
    Rawlins, K.
    Razzaque, S.
    Redl, P.
    Resconi, E.
    Rhode, W.
    Ribordy, M.
    Rizzo, A.
    Robbins, W. J.
    Rodrigues, J. P.
    Roth, P.
    Rothmaier, F.
    Rott, C.
    Roucelle, C.
    Rutledge, D.
    Ryckbosch, D.
    Sander, H-G
    Sarkar, S.
    Satalecka, K.
    Sandstrom, P.
    Schlenstedt, S.
    Schmidt, T.
    Schneider, D.
    Schulz, O.
    Seckel, D.
    Semburg, B.
    Seo, S. H.
    Sestayo, Y.
    Seunarine, S.
    Silvestri, A.
    Smith, A. J.
    Song, C.
    Sopher, J. E.
    Spiczak, G. M.
    Spiering, C.
    Stanev, T.
    Stezelberger, T.
    Stokstad, R. G.
    Stoufer, M. C.
    Stoyanov, S.
    Strahler, E. A.
    Straszheim, T.
    Sulanke, K-H
    Sullivan, G. W.
    Swillenns, Q.
    Taboada, I.
    Tarasova, O.
    Tepe, A.
    Ter-Antonyan, S.
    Tilav, S.
    Tluczykont, M.
    Toale, P. A.
    Tosi, D.
    Turcan, D.
    van Eijndhoven, N.
    Vandenbroucke, J.
    Van Overloop, A.
    Viscomi, V.
    Vogt, C.
    Voigt, B.
    Vu, C. Q.
    Wahl, D.
    Walck, C.
    Waldenmaier, T.
    Waldmann, H.
    Walter, M.
    Wendt, C.
    Westerhof, S.
    Whitehorn, N.
    Wharton, D.
    Wiebusch, C. H.
    Wiedemann, C.
    Wikstroem, G.
    Williams, D. R.
    Wischnewski, R.
    Wissing, H.
    Woschnagg, K.
    Xu, X. W.
    Yodh, G.
    Yoshida, S.
    The IceCube data acquisition system: Signal capture, digitization, and timestamping2009In: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, ISSN 0168-9002, E-ISSN 1872-9576, Vol. 601, no 3, p. 294-316Article in journal (Refereed)
    Abstract [en]

    IceCube is a km-scale neutrino observatory under construction at the South Pole with sensors both in the deep ice (InIce) and on the surface (IceTop). The sensors, called Digital Optical Modules (DOMs). detect, digitize and timestamp the signals from optical Cherenkov-radiation photons. The DOM Main Board (MB) data acquisition subsystem is connected to the central DAQ in the IceCube Laboratory (ICL) by a single twisted copper wire-pair and transmits packetized data on demand. Time calibration is maintained throughout the array by regular transmission to the DOMs of precisely timed analog signals, synchronized to a central GPS-disciplined clock. The design goals and consequent features, functional capabilities, and initial performance of the DOM MB, and the operation of a combined array of DOMs as a system, are described here. Experience with the first InIce strings and the IceTop stations indicates that the system design and performance goals have been achieved. (c) 2009 Elsevier B.V. All rights reserved.

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