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Vossen, A.*; 谷田 聖; Belle Collaboration*; 他164名*
Physical Review D, 98(1), p.012005_1 - 012005_9, 2018/07
被引用回数:3 パーセンタイル:28.59(Astronomy & Astrophysics)We report a measurement of the branching fraction of the decay . The analysis uses 772 pairs produced in data recorded by the Belle experiment at the KEKB asymmetric-energy collider. The tagging meson in the decay is fully reconstructed in a hadronic decay mode. On the signal side, we reconstruct the decay . The measured branching fractions are = [4.55 0.27 (stat.) 0.39 (syst.)], = [4.05 0.36 (stat.) 0.41 (syst.)], = [6.03 0.43 (stat.) 0.38 (syst.)], and = [6.46 0.53 (stat.) 0.52 (syst.)]. These are in good agreement with the current world average values.