Combined fit to the e+e(-) -> pi(+)pi(-) J/psi and e+e(-) -> pi(+)pi(-) psi(3686) line shape

Zhang, JL; Yuan, LM

Zhang, JL (reprint author), Xinyang Normal Univ, Coll Phys & Elect Engn, Xinyang 464000, Peoples R China.

EUROPEAN PHYSICAL JOURNAL C, 2017; 77 (11):

Abstract

We analyze the cross section of e(+)e(-) -> pi(+) pi(-) J/psi measured by Belle, BABAR and BESIII experiments. The parameters of the two resonances......

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