期刊
JOURNAL OF HIGH ENERGY PHYSICS
卷 -, 期 4, 页码 -出版社
SPRINGER
DOI: 10.1007/JHEP04(2017)077
关键词
Beyond Standard Model; Cosmology of Theories beyond the SM; Nonperturbative Effects
资金
- Netherlands Foundation for Fundamental Research of Matter (FOM)
- Netherlands Organisation for Scientific Research (NWO)
- NWO in the form of, respectively
- VENI and VIDI
- European Research Council (ERC) under the EU Seventh Framework Programme (FP7/2007-2013)/ERC Starting [278234]
- ANR ACHN
We calculate the cross-sections for the radiative formation of bound states by dark matter whose interactions are described in the non-relativistic regime by a Yukawa potential. These cross -sections are important for cosmological and phenomenological studies of dark matter with long-range interactions, residing in a hidden sector, as well as for TeV-scale WIMP dark matter. We provide the leading-order contributions to the cross -sections for the dominant capture processes occurring via emission of a vector or a scalar boson. We offer a detailed inspection of their features, including their velocity dependence within and outside the Coulomb regime, and their resonance structure. For pairs of annihilating particles, we compare bound-state formation with annihilation.
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