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  Halo-independent methods for inelastic dark matter scattering

Bozorgnia, N., Herrero-Garcia, J., Schwetz-Mangold, T., & Zupan, J. (2013). Halo-independent methods for inelastic dark matter scattering. Journal of Cosmology and Astroparticle Physics, 2013(07): 040. doi:10.1088/1475-7516/2013/07/049.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-F602-0 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0015-1881-A
Genre: Journal Article

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1305.3575v2.pdf (Preprint), 1020KB
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v2: version accepted for publication in JCAP. File downloaded from arXiv at 2013-08-20
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 Creators:
Bozorgnia, Nassim1, Author              
Herrero-Garcia, Juan2, Author
Schwetz-Mangold, Thomas1, Author              
Zupan, Jure3, Author
Affiliations:
1Division Prof. Dr. Manfred Lindner, MPI for Nuclear Physics, Max Planck Society, escidoc:904549              
2Departamento de Fisica Teorica, and IFIC, Universidad de Valencia-CSIC Edi cio de Institutos de Paterna, Apt. 22085, 46071 Valencia, Spain, escidoc:persistent22              
3Department of Physics, University of Cincinnati, Cincinnati, Ohio 45221,USA, escidoc:persistent22              

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Free keywords: High Energy Physics - Phenomenology, hep-ph,Astrophysics, Cosmology and Extragalactic Astrophysics, astro-ph.CO
 Abstract: We present halo-independent methods to analyze the results of dark matter direct detection experiments assuming inelastic scattering. We focus on the annual modulation signal reported by DAMA/LIBRA and present three different halo-independent tests. First, we compare it to the upper limit on the unmodulated rate from XENON100 using (a) the trivial requirement that the amplitude of the annual modulation has to be smaller than the bound on the unmodulated rate, and (b) a bound on the annual modulation amplitude based on an expansion in the Earth's velocity. The third test uses the special predictions of the signal shape for inelastic scattering and allows for an internal consistency check of the data without referring to any astrophysics. We conclude that a strong conflict between DAMA/LIBRA and XENON100 in the framework of spin-independent inelastic scattering can be established independently of the local properties of the dark matter halo.

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 Dates: 2013-07-31
 Publication Status: Published online
 Pages: 15 pages, 7 figures
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: arXiv: 1305.3575
DOI: 10.1088/1475-7516/2013/07/049
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Title: Journal of Cosmology and Astroparticle Physics
Source Genre: Journal
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Publ. Info: Bristol, England : Institute of Physics Pub.
Pages: - Volume / Issue: 2013 (07) Sequence Number: 040 Start / End Page: - Identifier: ISSN: 1475-7516
CoNE: http://pubman.mpdl.mpg.de/cone/journals/resource/111055183238000_1