νR Dark matter-philic Higgs for 3.5 keV X-ray signal
We suggest a new model of 7 keV right-handed neutrino dark matter inspired by a recent observation of 3.5 keV X-ray line signal in the XMM-Newton observatory. It is difficult to derive the tiny masses with a suitable left–right mixing of the neutrino in a framework of ordinary simple type-I seesaw m...
Main Authors: | Naoyuki Haba, Hiroyuki Ishida, Ryo Takahashi |
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Format: | Article |
Language: | English |
Published: |
Elsevier
2015-04-01
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Series: | Physics Letters B |
Online Access: | http://www.sciencedirect.com/science/article/pii/S0370269315000775 |
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