Evidence for e(+)e(-) -> gamma eta(c)(1S) at center-of-mass energies between 4.01 and 4.60 GeV

Ablikim, M; Achasov, MN; Ahmed, S; Albrecht, M; Alekseev, M; Amoroso, A; An, FF; An, Q; Bai, JZ; Bai, Y; Bakina, O; Ferroli, RB; Ban, Y; Bennett, DW; Bennett, JV; Berger, N; Bertani, M; Bettoni, D; Bian, JM; Bianchi, F; Boger, E; Boyko, I; Briere, RA

Ablikim, M (reprint author), Inst High Energy Phys, Beijing 100049, Peoples R China.

PHYSICAL REVIEW D, 2017; 96 (5):

Abstract

We present first evidence for the process e(+)e(-) -> gamma eta(c)(1S) at six center-of-mass energies between 4.01 and 4.60 GeV using data collecte......

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