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CP asymmetry, branching ratios and isospin breaking effects of B -> K* gamma with the perturbative QCD approach

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arxiv hep-ph/0406055 v4 pith:QYSSR32W submitted 2004-06-04 hep-ph

M. Matsumori , A. I. Sanda , Y.-Y. Keum This is my paper · ORCID
classification hep-ph
keywords asymmetrybranchingbreakingeffectsgammaisospinmodemodel
verification ladder T0 review T1 audit T2 compute T3 formal

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The radiative B -> K* gamma mode is caused by a penguin operator which is a quantum correction. Thus this mode may be useful in the search for physics beyond the standard model. In this paper, we compute the branching ratio, direct CP asymmetry, and isospin breaking effects within the Standard Model in the framework perturbative QCD, and discuss how new physics might show up in this decay.

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Cited by 1 Pith paper

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  1. Measurement of $B \to K{}^{*}(892)\gamma$ decays at Belle II

    hep-ex 2024-11 conditional novelty 4.0 of 10

    Belle II's first measurement of B→K*(892)γ decays yields branching fractions, CP asymmetries, and an isospin asymmetry consistent with the Standard Model and previous experiments.

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