Study of e(+)e(-) -> pi X-0(3872)gamma and search for Z(c)(4020)(0) -> X(3872)gamma
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2021Metadata
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Ablikim, M., Achasov, M. N., Adlarson, P., Ahmed, S., Albrecht, M., Aliberti, R., ... & Kliemt, R. (2021). Study of e+ e−→ π 0 X (3872) γ and search for Z c (4020) 0→ X (3872) γ. Physical Review D, 104(1), 012001.Abstract
Using data samples collected with the BESIII detector operating at the BEPCII storage ring at center-of- mass energies from 4.178 to 4.600 GeV, we study the process e(+)e(-) pi X-0(3872)gamma and search for Z(c)(4020)(0) -> X(3872)gamma. We find no significant signal and set upper limits on sigma(e(+)e(-) -> pi X-0(3872)gamma) . B(X(3872) -> pi(+)pi(-)/J/psi) and sigma(e(+)e(-) -> pi(0)Z(c)(4020)(0)). B(Z(c)(4020)(0) -> X(3872)gamma) . B(X(3872) -> pi(+)pi(-) J/psi) for each energy point at 90% confidence level, which is of the order of several tenths pb.
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Physical Review DVolume
104Issue
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