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AbstractAbstract
[en] We comment on the implications of the recently measured CP asymmetry in B → ΦKS decay. The data disfavor the Standard Model at 2.8 σ and--if the trend persists in the future with higher statistics--require the existence of CP violation beyond that in the CKM matrix. In particular, the b → s(bar s)s decay amplitude would require new contributions of comparable size to the Standard Model ones with an order one phase. While not every model can deliver such a large amount of CP and flavor violation, those with substantial FCNC couplings to the Z can reproduce the experimental findings
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30 Jul 2002; [vp.]; AC03-76SF00515; Available from PURL: https://www.osti.gov/servlets/purl/799973-mtrglO/native/
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Report
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AMPLITUDES, BEAUTY MESONS, BEAUTY PARTICLES, BOSONS, ELEMENTARY PARTICLES, FIELD THEORIES, GRAND UNIFIED THEORY, HADRONS, INVARIANCE PRINCIPLES, KAONS, KAONS NEUTRAL, MATHEMATICAL MODELS, MATRICES, MESONS, PARTICLE MODELS, PSEUDOSCALAR MESONS, QUANTUM FIELD THEORY, QUARKONIUM, STRANGE MESONS, STRANGE PARTICLES, TRANSITION AMPLITUDES, UNIFIED GAUGE MODELS
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