Helicity amplitude analysis of χ cJ → ϕϕ

Helicity amplitude analysis of χ cJ → ϕϕ

Using (447.9 ± 2.3) million ψ(3686) events collected with the BESIII detector, the decays of χcJ→ ϕϕ (J = 0, 1, 2) have been studied via the decay ψ(3686) → γχcJ. The branching fractions of the decays χcJ→ ϕϕ (J = 0, 1, 2) are determined to be (8.59 ± 0.27 ± 0.20) × 10−4, (4.26 ± 0.13 ± 0.15) × 10−4...

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Autors principals:	Ablikim, M, Achasov, MN, Adlarson, P, Albrecht, M, Aliberti, R, Amoroso, A, An, MR, An, Q, Bai, XH, Bai, Y, Bakina, O, Baldini Ferroli, R, Balossino, I, Ban, Y, Batozskaya, V, Becker, D, Begzsuren, K, Berger, N, Bertani, M, Bettoni, D, Bianchi, F, Bloms, J, Bortone, A, Boyko, I, Fischer, K, Gilman, A, Malde, S, Tat, M, Wilkinson, G, Zhang, Y
Format:	Journal article
Idioma:	English
Publicat:	Springer 2023

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