X iv :2 10 6. 15 20 3v 1 [ he pph ] 2 9 Ju n 20 21 On the line-shape and the experimental determination of the J/ψ →… Click to show full abstract
X iv :2 10 6. 15 20 3v 1 [ he pph ] 2 9 Ju n 20 21 On the line-shape and the experimental determination of the J/ψ → γηc branching fraction Jorge Segovia1, ∗ and Jaume Tarrús Castellà2, † Departamento de Sistemas F́ısicos, Qúımicos y Naturales, Universidad Pablo de Olavide, E-41013 Sevilla, Spain Grup de F́ısica Teòrica, Dept. F́ısica and IFAE-BIST, Universitat Autònoma de Barcelona, E-08193 Bellaterra (Barcelona), Catalonia, Spain (Dated: June 30, 2021)
               
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