Using (10087±44)×106J/ψ events collected with the BESIII detector, we search for the rare decay J/ψ→γD0+c.c. for the first time. No significant signal is observed and the upper limit on the branching fraction is determined to be B(J/ψ→γD0+c.c.)<9.1×10-8 at 90% confidence level.

Search for the rare decay J=ψ → γD0 + c:c: at BESIII

Amoroso, A.;Bianchi, F.;Destefanis, M.;De Mori, F.;Greco, M.;Maggiora, M.;Marcello, S.;Sosio, S.;Spataro, S.;
2024-01-01

Abstract

Using (10087±44)×106J/ψ events collected with the BESIII detector, we search for the rare decay J/ψ→γD0+c.c. for the first time. No significant signal is observed and the upper limit on the branching fraction is determined to be B(J/ψ→γD0+c.c.)<9.1×10-8 at 90% confidence level.
2024
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Ablikim, M.; Achasov, M. N.; Adlarson, P.; Afedulidis, O.; Ai, X. C.; Aliberti, R.; Amoroso, A.; An, Q.; Bai, Y.; Bakina, O.; Balossino, I.; Ban, Y.; ...espandi
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2318/2067890
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