New Physics Contributions to The B -> phi K_S Decay

Abstract

Recent measurements of the time-dependent CP asymmetry of the B -> phi K_S decay give results whose central values differ from standard model expectations. It is shown how such data can be used to identify new physics contributions in a model-independent manner. In general, a sizeable new amplitude with nontrivial weak and strong phases would be required to explain current data. Improvement in the quality of data will allow one to form a more definite conclusion.

17 pages, 7 figures; some references added; analysis updated in light of recent BaBar data announced at Moriond conference

References in corpus (18)

• Study of three-body charmless B decays
• On supersymmetric contributions to the CP asymmetry of the B -> phi K_S
• R-parity-violating SUSY and CP violation in B --> phi K_s
• B(d) --> phi K(S) CP asymmetries as an important probe of supersymmetry
• CP asymmetry in B --> phi K_S decays in left-right models and its implications on B_s decays
• First hint of non-standard CP violation from B --> Phi K_S decay
• A Consistent Resolution of Possible Anomalies in B^0 --> phi K_S and B^+ --> eta' K^+ Decays
• Strong and Weak Phases from Time-Dependent Measurements of $B\to \pi \pi$
• A possible supersymmetric solution to the discrepancy between B -> ϕK_S and B -> η' K_S CP asymmetries
• Direct CP Violation in B->phi K_s and New Physics
• CP violation in $B\to \varphi K_S$ decay at large $\tan \beta$
• Updated Analysis of Some Two-Body Charmless B Decays
• Simultaneous solution to B --> phi K CP Asymmetry and B --> eta(prime) K, eta K^* branching ratio anomalies from R-parity violation
• Convention-independent study of CP-violating asymmetries in $B\to \pi \pi$
• Study of Time-Dependent CP-Violating Asymmetries in b->sq q Decays
• Measurement of sin2beta in B0 to Phi K0S
• Experimental Results on Heavy Quarks
• Branching Fractions in B -> phi h and Search for Direct CP Violation in B+- -> phi K+-

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• B_s-anti-B_s Mixing in Z' Models with Flavor-Changing Neutral Currents
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• Supersymmetric Flavor Models and the B --> phi K_S Anomaly
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• Methods for Measuring New-Physics Parameters in B Decays
• Beautiful Mirrors, Unification of Couplings and Collider Phenomenology
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• B --> Phi K_S and Supersymmetry
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• CP Asymmetries of $B\to \varphi K$ and $B\to {\eta }^{(\prime )}K$ Decays Using a Global Fit in QCD Factorization
• Flavor and CP violating Z exchange and the rate asymmetry in B --> phi K_S
• B^0 -> phi K_S in SUGRA models with CP violations
• Chargino Contributions in $B\to \varphi K_S$ Asymmetry
• Reevaluating Bounds on Flavor-Changing Neutral Current Parameters in R-parity Conserving and R-parity Violating Supersymmetry from B0 - bar(B0) Mixing
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• New Physics in b --> s bar(s) s Decay
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• Prediction of the $CP$ asymmetry $C_{00}$ in $B^0\to D^0\overline{D^0}$ decay
• New Source of CP violation in B physics ?
• T violation in $B\to VV$ Decays in the SM and Beyond