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  • Amplitude analysis of the d...
    Amoroso, A.; Calcaterra, A.; Chang, W. L.; Chen 陈, H. S. 和生; Chen 陈, X. R. 旭荣; Cibinetto, G.; De Mori, F.; Ding 丁, Y. 逸; Ding 丁, Y. 勇; Dong 董, J. 静; Fang 方, W. X. 文兴; Farinelli, R.; Ge 葛, Z. W. 振武; Gu 顾, Y. T. 运厅; Guan, Z. L.; He 何, K. K. 凯凯; Hou 侯, G. Y. 国一; Hu 胡, B. Y. 碧颖; Huang 黄, Y. P. 燕萍; H\"usken, N.; Khachatryan, V.; Kuessner, M.; Li 李, C. 聪; Li 李, F. 飞; Li 李, J. R. 嘉荣; Li 李, R. 燃; Li 李, X. 旭; Liang 梁, C. 畅; Liang 梁, H. 昊; Liang 梁, H. 浩; Lin 林, T. 韬; Liu 刘, B. J. 北江; Liu 刘, W. K. 维克; Liu 刘, W. M. 卫民; Liu 刘, Y. 英; Liu 刘, Z. Q. 智青; Lu 卢, F. X. 飞翔; Luo 罗, C. L. 成林; Ma 马, F. C. 凤才; Ma 马, R. Q. 润秋; Messchendorp, J. G.; Moses, B.; Muchnoi, N. Yu; Muskalla, J.; Niu 牛, Q. L. 祺乐; Ouyang 欧, Q. 阳群; Pan 潘, Y. 越; Qu 屈, S. Q. 三强; Shangguan 上, J. F. 官剑锋; Shen 沈, C. P. 成平; Song 宋, J. J. 娇娇; Song 宋, T. Z. 天资; Song 宋, Y. X. 昀轩; Sun 孙, Y. 源; Sun 孙, Z. Q. 泽群; Tao 陶, Q. T. 秋田; Thoren, V.; Wang 王, S. 顺; Wang 王, T. J. 腾蛟; Wang 王, X. N. 新南; Wang 王, Y. F. 贻芳; Wang 王, Y. L. 艺龙; Wang 王, Z. L. 治浪; Wei, D.; Wen 温, Y. R. 亚冉; Wollenberg, L.; Wu 吴, J. F. 金飞; Wu 吴, Z. 智; Xiang 向, B. H. 本后; Xiao 肖, Z. J. 振军; Xu, Q. N.; Xu 许, W. 威; Xu 胥, Y. C. 英超; Xu 许, Z. P. 泽鹏; Xu 许, Z. S. 昭燊; Yan 闫, W. C. 文成; Yang 杨, H. X. 洪勋; Yang 杨, T. 涛; Yang 杨, Y. F. 翊凡; Yu 俞, B. X. 伯祥; Yu 喻, C. X. 纯旭; Yu 余, X. D. 旭东; Yuan 袁, Y. 野; Zafar, A. A.; Zeng 曾, Y. 云; Zhai 翟, Y. C. 云聪; Zhan 詹, Y. H. 永华; Zhang 张, B. X. 丙新; Zhang 张, D. H. 丹昊; Zhang 张, G. Y. 广义; Zhang 张, J. L. 杰磊; Zhang 张, L. M. 黎明; Zhang, Q. Y.; Zhang 张, X. M. 晓梅; Zhao 赵, G. 光; Zhao 赵, J. Y. 静宜; Zhou 周, J. Y. 佳莹; Zhou 周, Y. Z. 袆卓; Zhu 朱, K. J. 科军; Zhu 朱, L. 林

    Chinese physics C, 08/2024, Letnik: 48, Številka: 8
    Journal Article

    Abstract Using annihilation data corresponding to an integrated luminosity of 2.93 taken at the center-of-mass energy GeV with the BESIII detector, a joint amplitude analysis is performed on the decays and (non- η ). The fit fractions of individual components are obtained, and large interferences among the dominant components of the decays , , , and are observed in both channels. With the obtained amplitude model, the -even fractions of and (non- η ) are determined to be % and %, respectively. The branching fractions of and (non- η ) are measured to be % and %, respectively. The amplitude analysis provides an important model for the binning strategy in measuring the strong phase parameters of when used to determine the CKM angle via the decay.