CP Asymmetries of $B\to \varphi K$ and $B\to {\eta }^{(\prime )}K$ Decays Using a Global Fit in QCD Factorization

Abstract

We analyze the CP asymmetries of $B\to \varphi K$ and $B\to {\eta }^{(\prime )}K$ modes in the QCD improved factorization framework. For our calculation we use the phenomenological parameters predetermined from the global fit for the available $B\to PP$ and $VP$ modes (without the quark-level subprocess $b\to s\bar{s}s$). We show that the large negative $\sin (2{\varphi }_1{)}_{\varphi K_s}$ and the large branching ratio for $B^{\pm }\to {\eta }^{\prime }{K}^{\pm }$ can be simultaneously explained in the context of supersymmetry (SUSY). The R-parity conserving SUGRA models are used and their parameter space is constrained with the observed dark matter relic density along with other experimental constraints. The R-parity violating SUSY models are also used to show that they can provide solutions. We calculate the CP asymmetries for different $B^{\pm (0)}\to \varphi K^{\pm (0)}$ and $B^{\pm (0)}\to {\eta }^{{(}^{\prime })}{K}^{\pm (0)}$ modes and show that the SUSY model predictions are consistent with the available experimental data.

13 pages, No figure; Some references added

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• Invariant approach to flavour-dependent CP-violating phases in the MSSM
• $B_s-{\bar{B}}_s$ Mixing and Its Implication for $b\to s$ Transitions in Supersymmetry
• Study of the exclusive $b\to u{\ell }^{-}{\bar{\nu }}_{\ell }$ decays in the MSSM with and without R-parity violation
• Solving the SUSY CP problem with flavor breaking F-terms
• Studying Double Charm Decays of B_{u,d} and B_{s} Mesons in the MSSM with R-parity Violation
• Rare Weak Decays and Direct Lepton Number Violating Signals in a Minimal R-Parity Violating Model of Neutrino Mass
• New Physics in b --> s bar(s) s Decay
• Time dependent CP asymmetry in $B^0\to {\rho }^0\gamma$ decay to probe the origin of CP violation
• Leptophobic dark photon interpretation of the ${\eta }^{\left(\prime \right)}\to {\pi }^0\left(\eta \right)\gamma \gamma$ puzzle
• Implication of the weak phase $\beta$ measured in $B\to \rho \gamma$ decay