Revisiting the e(+)e(-) -> K+ K- J/psi line shape

Zhang, JL; Zhu, TJ; He, JJ

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

MODERN PHYSICS LETTERS A, 2019; 34 (40):

Abstract

The cross-section of e(+)e(-) -> K+K- J/psi has been measured by BESIII experiment, two enhancements are seen around 4.2 GeV and 4.5 GeV. We try to......

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