Phys. Rev. Lett.
102,
201302
(2009)
[5 pages]
Limits on a Muon Flux from Neutralino Annihilations in the Sun with the IceCube 22-String Detector
R. Abbasi et al. IceCube Collaboration
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R. Abbasi24, Y. Abdou18, M. Ackermann36, J. Adams13, M. Ahlers28, K. Andeen24, J. Auffenberg35, X. Bai27, M. Baker24, S. W. Barwick20, R. Bay7, J. L. Bazo Alba36, K. Beattie8, J. J. Beatty15,16, S. Bechet10, J. K. Becker17, K.-H. Becker35, M. L. Benabderrahmane36, J. Berdermann36, P. Berghaus24, D. Berley14, E. Bernardini36, D. Bertrand10, D. Z. Besson22, M. Bissok1, E. Blaufuss14, D. J. Boersma24, C. Bohm30, J. Bolmont36, S. Böser36, O. Botner33, L. Bradley32, J. Braun24, D. Breder35, T. Burgess30, T. Castermans26, D. Chirkin24, B. Christy14, J. Clem27, S. Cohen21, D. F. Cowen32,31, M. V. D’Agostino7, M. Danninger30, C. T. Day8, C. De Clercq11, L. Demirörs21, O. Depaepe11, F. Descamps18, P. Desiati24, G. de Vries-Uiterweerd18, T. DeYoung32, J. C. Diaz-Velez24, J. Dreyer17, J. P. Dumm24, M. R. Duvoort34, W. R. Edwards8, R. Ehrlich14, J. Eisch24, R. W. Ellsworth14, O. Engdegård33, S. Euler1, P. A. Evenson27, O. Fadiran4, A. R. Fazely6, T. Feusels18, K. Filimonov7, C. Finley24, M. M. Foerster32, B. D. Fox32, A. Franckowiak9, R. Franke36, T. K. Gaisser27, J. Gallagher23, R. Ganugapati24, L. Gerhardt8,7, L. Gladstone24, A. Goldschmidt8, J. A. Goodman14, R. Gozzini25, D. Grant32, T. Griesel25, A. Groß13,19, S. Grullon24, R. M. Gunasingha6, M. Gurtner35, C. Ha32, A. Hallgren33, F. Halzen24, K. Han13, K. Hanson24, Y. Hasegawa12, J. Heise34, K. Helbing35, P. Herquet26, S. Hickford13, G. C. Hill24, K. D. Hoffman14, K. Hoshina24, D. Hubert11, W. Huelsnitz14, J.-P. Hülß1, P. O. Hulth30, K. Hultqvist30, S. Hussain27, R. L. Imlay6, M. Inaba12, A. Ishihara12, J. Jacobsen24, G. S. Japaridze4, H. Johansson30, J. M. Joseph8, K.-H. Kampert35, A. Kappes24,*, T. Karg35, A. Karle24, J. L. Kelley24, P. Kenny22, J. Kiryluk8,7, F. Kislat36, S. R. Klein8,7, S. Klepser36, S. Knops1, G. Kohnen26, H. Kolanoski9, L. Köpke25, M. Kowalski9, T. Kowarik25, M. Krasberg24, K. Kuehn15, T. Kuwabara27, M. Labare10, S. Lafebre32, K. Laihem1, H. Landsman24, R. Lauer36, H. Leich36, D. Lennarz1, A. Lucke9, J. Lundberg33, J. Lünemann25, J. Madsen29, P. Majumdar36, R. Maruyama24, K. Mase12, H. S. Matis8, C. P. McParland8, K. Meagher14, M. Merck24, P. Mészáros31,32, E. Middell36, N. Milke17, H. Miyamoto12, A. Mohr9, T. Montaruli24,†, R. Morse24, S. M. Movit31, K. Münich17, R. Nahnhauer36, J. W. Nam20, P. Nießen27, D. R. Nygren8,30, S. Odrowski19, A. Olivas14, M. Olivo33, M. Ono12, S. Panknin9, S. Patton8, C. Pérez de los Heros33, J. Petrovic10, A. Piegsa25, D. Pieloth36, A. C. Pohl33,‡, R. Porrata7, N. Potthoff35, P. B. Price7, M. Prikockis32, G. T. Przybylski8, K. Rawlins3, P. Redl14, E. Resconi19, W. Rhode17, M. Ribordy21, A. Rizzo11, J. P. Rodrigues24, P. Roth14, F. Rothmaier25, C. Rott15, C. Roucelle19, D. Rutledge32, D. Ryckbosch18, H.-G. Sander25, S. Sarkar28, K. Satalecka36, S. Schlenstedt36, T. Schmidt14, D. Schneider24, A. Schukraft1, O. Schulz19, M. Schunck1, D. Seckel27, B. Semburg35, S. H. Seo30, Y. Sestayo19, S. Seunarine13, A. Silvestri20, A. Slipak32, G. M. Spiczak29, C. Spiering36, M. Stamatikos15, T. Stanev27, G. Stephens32, T. Stezelberger8, R. G. Stokstad8, M. C. Stoufer8, S. Stoyanov27, E. A. Strahler24, T. Straszheim14, K.-H. Sulanke36, G. W. Sullivan14, Q. Swillens10, I. Taboada5, O. Tarasova36, A. Tepe35, S. Ter-Antonyan6, C. Terranova21, S. Tilav27, M. Tluczykont36, P. A. Toale32, D. Tosi36, D. Turčan14, N. van Eijndhoven34, J. Vandenbroucke7, A. Van Overloop18, B. Voigt36, C. Walck30, T. Waldenmaier9, M. Walter36, C. Wendt24, S. Westerhoff24, N. Whitehorn24, C. H. Wiebusch1, A. Wiedemann17, G. Wikström30,§, D. R. Williams2, R. Wischnewski36, H. Wissing1,14, K. Woschnagg7, X. W. Xu6, G. Yodh20, and S. Yoshida12 (IceCube Collaboration)
1III Physikalisches Institut, RWTH Aachen University, D-52056 Aachen, Germany
2Department of Physics and Astronomy, University of Alabama, Tuscaloosa, Alabama 35487, USA
3Department of Physics and Astronomy, University of Alaska Anchorage, 3211 Providence Drive, Anchorage, Alaska 99508, USA
4CTSPS, Clark-Atlanta University, Atlanta, Georgia 30314, USA
5School of Physics and Center for Relativistic Astrophysics, Georgia Institute of Technology, Atlanta, Georgia 30332, USA
6Department of Physics, Southern University, Baton Rouge, Louisiana 70813, USA
7Department of Physics, University of California, Berkeley, California 94720, USA
8Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
9Institut für Physik, Humboldt-Universität zu Berlin, D-12489 Berlin, Germany
10Université Libre de Bruxelles, Science Faculty CP230, B-1050 Brussels, Belgium
11Vrije Universiteit Brussel, Dienst ELEM, B-1050 Brussels, Belgium
12Department of Physics, Chiba University, Chiba 263-8522, Japan
13Department of Physics and Astronomy, University of Canterbury, Private Bag 4800, Christchurch, New Zealand
14Department of Physics, University of Maryland, College Park, Maryland 20742, USA
15Department of Physics and Center for Cosmology and Astro-Particle Physics, The Ohio State University, Columbus, Ohio 43210, USA
16Department of Astronomy, The Ohio State University, Columbus, Ohio 43210, USA
17Department of Physics, TU Dortmund University, D-44221 Dortmund, Germany
18Department of Subatomic and Radiation Physics, University of Gent, B-9000 Gent, Belgium
19Max-Planck-Institut für Kernphysik, D-69177 Heidelberg, Germany
20Department of Physics and Astronomy, University of California, Irvine, California 92697, USA
21Laboratory for High Energy Physics, École Polytechnique Fédérale, CH-1015 Lausanne, Switzerland
22Department of Physics and Astronomy, University of Kansas, Lawrence, Kansas 66045, USA
23Department of Astronomy, University of Wisconsin, Madison, Wisconsin 53706, USA
24Department of Physics, University of Wisconsin, Madison, Wisconsin 53706, USA
25Institute of Physics, University of Mainz, Staudinger Weg 7, D-55099 Mainz, Germany
26University of Mons-Hainaut, 7000 Mons, Belgium
27Bartol Research Institute and Department of Physics and Astronomy, University of Delaware, Newark, Delaware 19716, USA
28Department of Physics, University of Oxford, 1 Keble Road, Oxford OX1 3NP, United Kingdom
29Department of Physics, University of Wisconsin, River Falls, Wisconsin 54022, USA
30Oskar Klein Centre and Department of Physics, Stockholm University, SE-10691 Stockholm, Sweden
31Department of Astronomy and Astrophysics, Pennsylvania State University, University Park, Pennsylvania 16802, USA
32Department of Physics, Pennsylvania State University, University Park, Pennsylvania 16802, USA
33Department of Physics and Astronomy, Uppsala University, Box 516, S-75120 Uppsala, Sweden
34Department of Physics and Astronomy, Utrecht University/SRON, NL-3584 CC Utrecht, The Netherlands
35Department of Physics, University of Wuppertal, D-42119 Wuppertal, Germany
36DESY, D-15735 Zeuthen, Germany
Received 14 February 2009; revised 27 March 2009; published 21 May 2009
See accompanying
Physics
Synopsis
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.
© 2009 The American Physical Society
URL:
http://link.aps.org/doi/10.1103/PhysRevLett.102.201302
DOI:
10.1103/PhysRevLett.102.201302
PACS:
95.35.+d, 14.80.Ly, 96.50.S−, 98.70.Sa
*Present address: Universität Erlangen-Nürnberg, Physikalisches Institut, D-91058, Erlangen, Germany. †On leave from Università di Bari and Sezione INFN, Dipartimento di Fisica, I-70126, Bari, Italy. ‡Present address: School of Pure and Applied Natural Sciences, Kalmar University, S-39182 Kalmar, Sweden. §Corresponding author. wikstrom@physto.se
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