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25 April 2024 |
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Article overview
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$h
ightarrowmu au$, muon g$-$2, and a possible interpretation of the Galactic Center gamma ray excess | | Xuewen Liu
; Ligong Bian
; Xue-Qian Li
; Jing Shu
; | | Date: |
24 Aug 2015 | | Abstract: | In this work, we introduce an extra pseudoscalar into the Type-III two-Higgs
doublet model (2HDM). In the framework of the extended 2HDM, the
$h
ightarrowmu au$ excess measured at CMS and $(g-2)_{mu}$ anomaly can be
simultaneously explained within a parameter space which is not ruled out by the
flavor-violating process $ au
ightarrowmugamma$. Moreover, existence of the
pseudo-scalar provides an opportunity to interpret the Galactic Center gamma
ray excess(GCE) which might be caused by dark matter(DM) pair annihilations. It
is also noted that to meet the observed DM relic density, other DM annihilation
channels are needed. | | Source: | arXiv, 1508.5716 | | Services: | Forum | Review | PDF | Favorites | |
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