Squark flavor mixing and CP asymmetry of neutral $B$ mesons at LHCb

Abstract

The CP violation of the neutral $B$ meson is the important phenomenon to search for the new physics. The like-sign dimuon charge asymmetry observed by the D$Ø$ Collaboration indicates the CP-violating new physics in the $B_s-{\bar{B}}_s$ mixing. On the other hand, LHCb observed the CP-violating asymmetry in $B_s^0\to J/\psi \varphi$ and $B_s^0\to J/\psi f_0(980)$, which is consistent with the SM prediction. However, there is still room for new physics of the CP violation. The CKMfitter has presented the allowed region of the new physics parameters taking account of the LHCb data. Based on these results, we discuss the effect of the squark flavor mixing on the CP violation in the $B_d$ and $B_s$ mesons. We predict asymmetries in the non-leptonic decays $B_d^0\to \varphi K_S$, $B_d^0\to {\eta }^{\prime }{K}^0$, $B_s^0\to \varphi \varphi$ and $B_s^0\to \varphi {\eta }^{\prime }$.

16 pages, 14 figures, 2 figures are added, minor modifications

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Cited by in corpus (8)

• Measurements of Direct CP Asymmetries in B to X_s gamma decays using Sum of Exclusive Decays
• SUSY contributions to CP violations in $b\to s$ and $b\to d$ transitions facing on new data
• Probing the high scale SUSY in CP violations of K, B0 and Bs mesons
• Direct CP violation of $b\to s\gamma$ and CP asymmetries of non-leptonic B decays in squark flavor mixing
• Searching for the squark flavor mixing in CP violations of Bs -> K+ K- and K0bar K0 decays
• Sensitivity of the squark flavor mixing to the CP violation of K, B0 and Bs mesons
• Recent BABAR Results
• Sensitivity of High-Scale SUSY in Low Energy Hadronic FCNC