期刊
EPL
卷 113, 期 2, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1209/0295-5075/113/29001
关键词
-
资金
- Department of Atomic Energy (DAE) of Government of India
- Indian National Science Academy
Recent data from Reticulum II (RetII) require the energy range of the FermiLAT gamma-excess to be similar to 2-10 GeV. We adjust our unified nonthermal Dark Matter (DM) model to accommodate this. We have two extra scalars beyond the Standard Model to also explain the 3.55 keV X-ray line. Now the mass of the heavier of them has to be increased to lie around 250 GeV, while that of the lighter one remains at 7.1 keV. This requires a new seed mechanism for the gamma-excess and new Boltzmann equations for the generation of the DM relic density. All concerned data for RetII and the X-ray line can now be fitted well and consistency with other indirect limits attained. Copyright (C) EPLA, 2016.
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