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Zhukova, V.*; 谷田 聖; Belle Collaboration*; 他155名*
Physical Review D, 97(1), p.012002_1 - 012002_21, 2018/01
被引用回数:7 パーセンタイル:41.87(Astronomy & Astrophysics)We report a new measurement of the exclusive cross sections as a function of the center-of-mass energy from the threshold through GeV with initial-state radiation. The analysis is based on a data sample collected with the Belle detector with an integrated luminosity of fb. The accuracy of the cross section measurement is increased by a factor of two over the first Belle study. We perform the first angular analysis of the process and decompose this exclusive cross section into three components corresponding to the helicities.
Yelton, J.*; 谷田 聖; Belle Collaboration*; 他155名*
Physical Review D, 94(5), p.052011_1 - 052011_14, 2016/09
被引用回数:55 パーセンタイル:91.99(Astronomy & Astrophysics)Using a data sample of 980 fb of annihilation data taken with the Belle detector operating at the KEKB asymmetric-energy collider, we report the results of a study of excited states that decay, via the emission of photons and/or charged pions, into or ground state charmed-strange baryons. We present new measurements of the masses of all members of the , , , , isodoublets, measurements of the intrinsic widths of those that decay strongly, and evidence of previously unknown transitions.