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Dark moments and the DAMA-CoGeNT puzzle

Fitzpatrick, A. Liam and Zurek, Kathryn M. (2010) Dark moments and the DAMA-CoGeNT puzzle. Physical Review D, 82 (7). Art. No. 075004. ISSN 1550-7998.

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We consider the velocity dependence arising from scattering through dark multipole moments, and its effects on the consistency of the signals observed by DAMA and CoGeNT with the dark matter hypothesis. We focus on the effects of the experimental uncertainties on the fits, and show that the two experiments combined favor dark matter scattering with a velocity-dependent cross section over standard velocity and spin-independent scattering. When appropriate uncertainties are taken into account, we show that agreement of the two signals with each other and with the results of null experiments can be obtained.

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Additional Information:© 2010 The American Physical Society. (Received 10 August 2010; published 7 October 2010) We thank Katie Freese, Dan Hooper, Brian Feldstein, Aaron Pierce, and Chris Savage for discussions, and Peter Sorensen for help on interpreting the XENON stochasticity bound. We also thank the Aspen Center for Physics for hospitality while this work was being completed. ALF is supported by DOE Grant No. DE-FG02-01ER-40676 and NSF CAREER Grant No. PHY-0645456.
Funding AgencyGrant Number
Department of Energy (DOE)DE-FG02-01ER-40676
Issue or Number:7
Classification Code:PACS numbers: 95.35.+d, 14.80.-j
Record Number:CaltechAUTHORS:20190613-110921605
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:96376
Deposited By: George Porter
Deposited On:17 Jun 2019 16:25
Last Modified:03 Oct 2019 21:21

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