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遊佐 洋右*; 谷田 聖; Belle Collaboration*; 他159名*
Physical Review D, 99(1), p.011102_1 - 011102_7, 2019/01
被引用回数:2 パーセンタイル:13.7(Astronomy & Astrophysics)We report a measurement of time-dependent violation in decays using a data sample of pairs collected by the Belle experiment running at the resonance at the KEKB collider. This decay proceeds mainly via a "penguin" amplitude. The results are (stat.) (syst.) and (stat.) (syst.), which are the most precise measurements of violation in this decay mode to date. The value for the -violating parameter is consistent with that obtained using decay modes proceeding via a "tree" amplitude.