Explaining $h\to\mu^\pm\tau^\mp$, $B\to K^* \mu^+\mu^-$ and $B\to K \mu^+\mu^-/B\to K e^+e^-$ in a two-Higgs-doublet model with gauged $L_\mu-L_\tau$ - INSPIRE

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Explaining $h\to\mu^\pm\tau^\mp$ , $B\to K^* \mu^+\mu^-$ and $B\to K \mu^+\mu^-/B\to K e^+e^-$ in a two-Higgs-doublet model with gauged $L_\mu-L_\tau$

Andreas Crivellin
(
- CERN
)
,
Giancarlo D'Ambrosio
(
- CERN and
- INFN, Naples
)
,
Julian Heeck
(
- Brussels U.
)

Jan 5, 2015

6 pages

Published in:

Phys.Rev.Lett. 114 (2015) 151801

Published: Apr 14, 2015

e-Print:

1501.00993 [hep-ph]

DOI:

10.1103/PhysRevLett.114.151801

Report number:

CERN-PH-TH-2015-001,
ULB-TH-14-26

View in:

reference search458 citations

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Abstract: (APS)

The LHC has observed, so far, 3 deviations from the Standard Model (SM) predictions in flavor observables: LHCb reported anomalies in B→K*μ+μ- and R(K)=B→Kμ+μ-/B→Ke+e-, while CMS found an excess in h→μτ. We show, for the first time, how these deviations from the SM can be explained within a single well-motivated model: a two-Higgs-doublet model with gauged Lμ-Lτ symmetry. We find that, despite the constraints from τ→μμμ and Bs-B¯s mixing, one can explain h→μτ, B→K*μ+μ- and R(K) simultaneously, obtaining interesting correlations among the observables.

Note:

6 pages, 2 figures, corrected formula for LFV tau decay with new HFAG limit. References added, accepted for publication in PRL

12.60.Fr
13.20.He
13.35.Dx
14.70.Pw
new physics
Higgs particle: doublet: 2
Higgs particle: leptonic decay
Higgs particle: rare decay
Higgs particle: branching ratio
B: rare decay

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Figures(4)

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