Using 9.9 fb-1 of e+e- collision data collected by the BESIII detector at center-of-mass energies between 4.15 and 4.30 GeV, we search for the processes e+e-→γX(3872) with X(3872)→π0χc0 and X(3872)→ππχc0. We set upper limits (at 90% C.L.) of B(X(3872)→π0χc0)B(X(3872)→π+π-J/ψ)<3.6, B(X(3872)→π+π-χc0)B(X(3872)→π+π-J/ψ)<0.56, and B(X(3872)→π0π0χc0)B(X(3872)→π+π-J/ψ)<1.7. Combined with the BESIII measurement of X(3872)→π0χc1, we also set an upper limit of B(X(3872)→π0χc0)B(X(3872)→π0χc1)<4.5

Search for X (3872) →π0χc0 and X (3872) →ππχc0 at BESIII

I. Garzia;
2022

Abstract

Using 9.9 fb-1 of e+e- collision data collected by the BESIII detector at center-of-mass energies between 4.15 and 4.30 GeV, we search for the processes e+e-→γX(3872) with X(3872)→π0χc0 and X(3872)→ππχc0. We set upper limits (at 90% C.L.) of B(X(3872)→π0χc0)B(X(3872)→π+π-J/ψ)<3.6, B(X(3872)→π+π-χc0)B(X(3872)→π+π-J/ψ)<0.56, and B(X(3872)→π0π0χc0)B(X(3872)→π+π-J/ψ)<1.7. Combined with the BESIII measurement of X(3872)→π0χc1, we also set an upper limit of B(X(3872)→π0χc0)B(X(3872)→π0χc1)<4.5
2022
Ablikim, M.; Achasov, M. N.; Adlarson, P.; Albrecht, M.; Aliberti, R.; Amoroso, A.; An, M. R.; An, Q.; Bai, X. H.; Bai, Y.; Bakina, O.; Baldini Ferrol...espandi
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11392/2505574
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