Kamionkowski, Marc and Griest, Kim and Jungman, Gerard and Sadoulet, Bernard (1995) Model-Independent Comparison of Direct versus Indirect Detection of Supersymmetric Dark Matter. Physical Review Letters, 74 (26). pp. 5174-5177. ISSN 0031-9007. doi:10.1103/PhysRevLett.74.5174. https://resolver.caltech.edu/CaltechAUTHORS:KAMprl95
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Abstract
We compare the rate for scattering of neutralinos from nuclei with the flux of muons induced by energetic neutrinos from neutralino annihilation in the Sun and Earth. We consider scalar and spin interactions of neutralinos. We find that the event rate in a kg of Ge is roughly equivalent to that in a 10^5–1^07-m^2 muon detector for a neutralino with primarily scalar coupling to nuclei. For a spin-coupled neutralino, the event rate in a 50-g H detector is roughly that in a 10–500-m^2 muon detector. Expected backgrounds favor forthcoming elastic-scattering detectors for scalar couplings while neutrino detectors are favored for spin couplings.
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Additional Information: | © 1995 The American Physical Society Received 5 December 1994 It is a pleasure to thank F. Halzen, C. Tao, and J., Engel for useful discussions. B.S. thanks M. Runyan for assistance. M.K. acknowledges the hospitality of CERN. This work was supported in part (B.S. and K.G.) by the Center for Particle Astrophysics, a NSF Science and Technology Center operated by the University of California under Cooperative Agreement No. ADT-809616. M.K. was supported by the W.M. Keck Foundation and by the DOE under Contract No. DEFG02-92-ER40699. G.J. was supported by the DOE under Contract No. DEFG02-85-ER40231. K.G. was supported in part by a DOE OJI award and the Alfred P. Sloan Foundation. | ||||||||||||
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Issue or Number: | 26 | ||||||||||||
DOI: | 10.1103/PhysRevLett.74.5174 | ||||||||||||
Record Number: | CaltechAUTHORS:KAMprl95 | ||||||||||||
Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:KAMprl95 | ||||||||||||
Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||||||||
ID Code: | 3486 | ||||||||||||
Collection: | CaltechAUTHORS | ||||||||||||
Deposited By: | Archive Administrator | ||||||||||||
Deposited On: | 08 Jun 2006 | ||||||||||||
Last Modified: | 08 Nov 2021 19:56 |
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