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Kovalenko, E.*; 谷田 聖; Belle Collaboration*; 他181名*
Physical Review D, 104(11), p.112006_1 - 112006_12, 2021/12
被引用回数:0 パーセンタイル:0.01(Astronomy & Astrophysics)We report the first observation of the processes at =10.866 GeV with a and significance respectively. The measured Born cross sections are pb, and pb. We also set the upper limit on the cross section of the process to be ~pb at CL. The results are obtained with the data sample collected with the Belle detector at the KEKB asymmetric-energy collider in the energy range from 10.63 GeV to 11.02 GeV.