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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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1305.3575v2.pdf (Preprint), 1020KB
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1305.3575v2.pdf
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v2: version accepted for publication in JCAP. File downloaded from arXiv at 2013-08-20
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 Urheber:
Bozorgnia, Nassim1, Autor           
Herrero-Garcia, Juan2, Autor
Schwetz-Mangold, Thomas1, Autor           
Zupan, Jure3, Autor
Affiliations:
1Division Prof. Dr. Manfred Lindner, MPI for Nuclear Physics, Max Planck Society, ou_904549              
2Departamento de Fisica Teorica, and IFIC, Universidad de Valencia-CSIC Edi cio de Institutos de Paterna, Apt. 22085, 46071 Valencia, Spain, ou_persistent22              
3Department of Physics, University of Cincinnati, Cincinnati, Ohio 45221,USA, ou_persistent22              

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Schlagwörter: High Energy Physics - Phenomenology, hep-ph,Astrophysics, Cosmology and Extragalactic Astrophysics, astro-ph.CO
 Zusammenfassung: 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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 Datum: 2013-07-31
 Publikationsstatus: Online veröffentlicht
 Seiten: 15 pages, 7 figures
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 Identifikatoren: arXiv: 1305.3575
DOI: 10.1088/1475-7516/2013/07/049
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Titel: Journal of Cosmology and Astroparticle Physics
Genre der Quelle: Zeitschrift
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Ort, Verlag, Ausgabe: Bristol, England : Institute of Physics Pub.
Seiten: - Band / Heft: 2013 (07) Artikelnummer: 040 Start- / Endseite: - Identifikator: ISSN: 1475-7516
CoNE: https://pure.mpg.de/cone/journals/resource/111055183238000_1