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High Energy Physics - Phenomenology

arXiv:1603.01383 (hep-ph)
[Submitted on 4 Mar 2016 (v1), last revised 28 Jun 2016 (this version, v2)]

Title:Self-consistent Calculation of the Sommerfeld Enhancement

Authors:Kfir Blum, Ryosuke Sato, Tracy R. Slatyer
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Abstract:A calculation of the Sommerfeld enhancement is presented and applied to the problem of s-wave non-relativistic dark matter annihilation. The difference from previous computations in the literature is that the effect of the underlying short-range scattering process is consistently included together with the long-range force in the effective QM Schrödinger problem. Our procedure satisfies partial-wave unitarity where previous calculations fail. We provide analytic results for some potentials of phenomenological relevance.
Comments: 13 pages, 4 figures. v2: added clarifications, match journal version
Subjects: High Energy Physics - Phenomenology (hep-ph)
Cite as: arXiv:1603.01383 [hep-ph]
  (or arXiv:1603.01383v2 [hep-ph] for this version)
  https://doi.org/10.48550/arXiv.1603.01383
Related DOI: https://doi.org/10.1088/1475-7516/2016/06/021

Submission history

From: Kfir Blum [view email]
[v1] Fri, 4 Mar 2016 09:05:14 UTC (174 KB)
[v2] Tue, 28 Jun 2016 08:21:19 UTC (175 KB)
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