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Confronting cosmic ray electron and positron excesses with hybrid triplet Higgs portal dark matter
We perform a detailed study of scalar dark matter with triplet Higgs extensions of the Standard Model in order to explain the cosmic ray electron and positron excesses reported by AMS-02 and DAMPE.A detailed analysis of the AMS-02 positron excess reveals that for different orderings(normal,inverted,and quasi-degenerate) of neutrino mass,the hybrid triplet Higgs portal framework is more favored with respect to the single triplet Higgs portal for TeV scale dark matter.We also show that the resonant peak and continuous excess in DAMPE cosmic ray data can be well explained with the hybrid triplet Higgs portal dark matter when a dark matter sub-halo nearby is taken into account.
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Chinese Physics C
2022年06期
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