$B_s$ Mixing and New Physics in hadronic $b\to s\bar{q}q$ transitions

Abstract

We study the implication of the recent $\Delta m_s$ measurement on $b\to s\bar{q}q$ transitions. We show that it is possible, in the presence of a flavour symmetry, that the phase in $B_s$ mixing may be unobservable even with new CP odd phases in $b\to s$ transitions. These phases may then produce new CP odd effects in certain $b\to s\bar{q}q$ transitions like $B\to K\pi$ but not in others like $B_d\to \varphi K_s$. Working in a two higgs doublet model of new physics we discuss the allowed NP contribution to $B\to K\pi$ and $B_d\to \varphi K_s$ decays with the new $Delta{m}_s$ measurement.

19 pages, no figures, references added, text added, accepted for publication

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• B_s^0-\bar{B}_s^0 mixing and B -> πK decays in stringy leptophobic Z^\prime
• Suppressed FCNC in New Physics with Shared Flavor Symmetry
• B(s)-B(s)bar Mixing in Supersymmetric Grand Unified Models
• B_s - \bar{B}_s mixing in the MSSM scenario with large flavor mixing in the LL/RR sector
• Implications of the measurements of B_s - B_s bar mixing on SUSY models
• Correlation between lepton flavor violation and B_{(d,s)} - \bar{B}_{(d,s)} mixing in SUSY GUT
• B -> phi K*, B -> phi Ks and New Physics
• New constraints on R-parity violating couplings through the measurements of the $B_{s(d)}^0$-${\bar{B}}_{s(d)}^0$ and $K^0$-${\bar{K}}^0$ mixing
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