Amplitude analysis of the KSKS system produced in radiative J/ψ decays

An amplitude analysis of the pi(0)pi(0) system produced in radiative J/psi decays is presented. In particular, a piecewise function that describes the dynamics of the pi(0)pi(0) system is determined as a function of M pi(0)pi(0) from an analysis of the (1.311 +/- 0.011) x 10(9) J/psi decays collected by the BESIII detector. The goal of this analysis is to provide a description of the scalar and tensor components of the pi(0)pi(0) system while making minimal assumptions about the properties or number of poles in the amplitude. Such a model-independent description allows one to integrate these results with other related results from complementary reactions in the development of phenomenological models, which can then be used to directly fit experimental data to obtain parameters of interest. The branching fraction of J/psi -> pi(0)pi(0) is determined to be (1.15 +/- 0.05) x 10(-3), where the uncertainty is systematic only and the statistical uncertainty is negligible.

Li-Yu Daisy Liu | Y. Mo | Y. Wang | G. Zhao | X. Liu | J. Lange | H. Chen | M. Luo | Q. Ouyang | I. Boyko | O. Cakir | S. Cetin | X. Chen | S. Jin | H. Peng | J. Zhang | Z. Zhang | Z. Zhao | A. Zhemchugov | Y. Zhu | G. Huang | H. Liu | W. Zheng | H. Lu | X. Jiang | B. Wang | L. Dong | J. Li | S. Olsen | G. Varner | Y. Yuan | J. Zhang | Z. Zhang | H. Zhang | S. Fang | X. Zhou | X. Wang | Y. Zhu | C. Zhang | J. Fang | Y. Fang | Y. Huang | J. Liu | X. Zhang | Li Zhou | H. Chen | Y. Ban | Y. Xie | Y. Zheng | K. Li | Y. Liang | Ling Zhao | H. Li | Z. Wu | L. Wang | H. Dai | M. Chen | G. Chelkov | R. Poling | M. Albrecht | J. Dai | T. Hu | C. Yuan | Q. An | A. Calcaterra | S. Du | M. Shao | P. Patteri | D. Ambrose | Y. Hu | J. Yu | G. Huang | J. Zhao | P. Kiese | K. Wang | F. Harris | Y. Heng | X. Ji | W. Gong | K. Peters | C. Rosner | Y. Wang | M. Destefanis | M. Maggiora | W. Shan | Y. Wang | Y. Xia | D. Wang | Y. Zeng | Y. Lu | C. Qiao | J. Sun | L. Zhou | J. Zhang | J. Bennett | R. Briere | X. Gao | W. Gradl | Y. Guan | A. Guo | T. Luo | S. Marcello | C. Shen | X. Xu | W. Yan | H. Ye | J. Yin | W. Yuan | X. Zhou | J. Wei | H. Ma | X. Luo | X. Ma | Y. Sun | L. Jiang | J. Dong | Lei Li | H. Yang | Y. Yang | J. Zhang | G. Li | Y. Liu | L. Jiang | Z. Li | J. Liu | Y. Sun | Z. Zhang | H. Zhang | F. Li | X. Zhu | J. Fan | N. Kalantar-Nayestanaki | Z. Sun | M. Wang | G. Liao | D. Zhang | Z. Wang | X. Chen | E. Thorndike | Q. Liu | Y. Liang | C. Feng | R. Mitchell | E. Eren | S. Schumann | X. Lyu | Y. Gao | C. Geng | H. Liu | S. Sun | W. Wang | Z. Wang | Y. Zhang | X. Shen | M. Bertani | K. He | Y. Mao | M. Greco | L. Xu | G. Xu | B. Zhang | Z. Sun | L. Ma | J. Ping | Z. Qin | F. An | X. Ai | L. Xia | S. Wang | D. Dedovich | Y. Qin | A. Yuncu | D. Xiao | C. Li | W. Li | F. Liu | P. Wang | P. Weidenkaff | S. Zhang | M. Achasov | A. Amoroso | J. Bai | R. Ferroli | D. Bennett | D. Bettoni | F. Bianchi | E. Boger | X. Cai | G. Cao | J. Chang | J. Chen | S. Chen | Y. 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Qian | N. Qin | X. Qin | J. Qiu | K. H. Rashid | C. Redmer | M. Ripka | G. Rong | A. Sarantsev | K. Schoenning | P. Shen | H. Sheng | X. Song | S. Sosio | S. Spataro | G. Sun | C. Tang | X. Tang | I. Tapan | M. Tiemens | I. Uman | L. Wang | Z. Wang | T. Weber | D. Wei | S. Wen | U. Wiedner | M. Wolke | L. Wu | Z. Xiao | Q. L. Xiu | L. Yan | W. Yan | Y. Yan | L. Yang | Y. Yang | M. Ye | B. Yu | C. Yu | A. Zafar | J. Zhang | J. Zhang | K. Zhang | L. Zhang | Yu Zhang | J. Zhao | J. Zhao | Lei Zhao | M. Zhao | Q. Zhao | S. Zhao | T. Zhao | Y. Zhao | B. Zheng | J. Zheng | B. Zhong | J. Zou | J. Bian | D. Cronin-Hennessy | V. Santoro | A. Zallo | A. Hafner | B. C. M. Ablikim | H. Cai | W. Kuhn | M. Savri'e | X. Zhou | K. Zhu | S. Zhu | Z. Zhu | J. Zhuang | B. Zou | T. Min | Y. Han | G. Chen | L. Guo | X. Kang | J. Liu | T. Li | M. Ullrich | L. Zotti | K. Moriya | H. Ren | C. Leng | Z. Ning | Z. He | H. Loehner | M. Lv | H. Yu | X. Fang | C. Hu | Y. Zhang | L. Qin | T. Hussain | H. Cheng | B. Kloss | O. Albayrak | O. Bondarenko | Zhiqiang Liu | D. Toth | X. Liu | Y. Zhang | M. Song | X. Li | R. Lu | Y. Pu | X. Song | X. Huang | K. Liu | Q. Xu | B. Zhang | Q. Xu | Y. Guo | F. Liu | H. Huang | Z. He | W. Li | C. Hu | Y. Guo | X. Ruan | X. Luo | J. Wei | H. Ye | K. Liu | T. Li | M. Zhao | Y. Yuan | H. Cheng | Q. Zhao | H. Hu | C. Hu | L. Jiang | L. Jiang | Z. He | H. Huang | Y. Liang | Y. Liang | J. Wei | Y. Xie | H. Yu | X. Song | B. Zhang | B. Zhang | Z. Sun | Q. Zhao | J. Zheng | F. Li | Lei Zhao | K. Li | Y. Han | B. Zhang | K. Zhang | S. Han | H. Hu | S. Sun | Z. He | P. Li | X. Song | Y. Han | Z. Sun | F. Liu | Z. Sun | L. Jiang | L. Jiang | H. Huang | Lei Zhao | J. Hu | B. Zhang | X. Luo | Z. Wu | H. Cheng | T. Li | Feng. Liu | J. Lu | Y. Yuan | Y. Ding | H. Lu | H. Yu | Y. Xie | S. Zhao | X. Tang | K. Li | F. Li | J. Zou | S. Fang | G. Rong | Y. Wang | Y. Wang | T. Hu | H. Liu | X. Liu | J. Lange | S. Zhang | Z. Zhao | T. Li | Y. Zhu | C. Liu | L. Xia | W. 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