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Astrophysics > High Energy Astrophysical Phenomena

arXiv:1503.04930 (astro-ph)
[Submitted on 17 Mar 2015 (v1), last revised 7 Aug 2015 (this version, v2)]

Title:Reconstructing the WIMP Velocity Distribution from Direct Dark Matter Detection Data with a Non-Negligible Threshold Energy

Authors:Chung-Lin Shan
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Abstract:In this paper, we investigate the modification of our expressions developed for the model-independent data analysis procedure of the reconstruction of the (time-averaged) one-dimensional velocity distribution of Galactic Weakly Interacting Massive Particles (WIMPs) with a non-negligible experimental threshold energy. Our numerical simulations show that, for a minimal reconstructable velocity of as high as O(200) km/s, our model-independent modification of the estimator for the normalization constant could provide precise reconstructed velocity distribution points to match the true WIMP velocity distribution with a <~ 10% bias.
Comments: 21 pages, 6 figures (8 eps plots), 1 table; v2: typos fixed, revised version for publication. arXiv admin note: substantial text overlap with arXiv:1403.5610, arXiv:1003.5283
Subjects: High Energy Astrophysical Phenomena (astro-ph.HE); High Energy Physics - Phenomenology (hep-ph)
Cite as: arXiv:1503.04930 [astro-ph.HE]
  (or arXiv:1503.04930v2 [astro-ph.HE] for this version)
  https://doi.org/10.48550/arXiv.1503.04930
Journal reference: IJMPD 24:1550090, 2015
Related DOI: https://doi.org/10.1142/S021827181550090X

Submission history

From: Chung-Lin Shan [view email]
[v1] Tue, 17 Mar 2015 06:02:25 UTC (39 KB)
[v2] Fri, 7 Aug 2015 07:45:15 UTC (39 KB)
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