Decays of X ( 3872 ) to χcJ π0 and J / ψ π+ π

By describing the X(3872) using the extended Friedrichs scheme, in which DD* is considered as the dominant component, we calculate the decay rates of the X(3872) to π0 and a P-wave charmonium χcJ state with J = 0, 1, or 2, and the rate of its decay to J/ψπ+π− with the help of the Barnes-Swanson mode...

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Bibliographic Details
Published in:Physical review. D 2019-11, Vol.100 (9), p.1
Main Authors: Zhou, Zhi-Yong, Yu, Meng-Ting, Xiao, Zhiguang
Format: Article
Language:English
Subjects:
Decay rate
P waves
Online Access:Get full text
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Summary:By describing the X(3872) using the extended Friedrichs scheme, in which DD* is considered as the dominant component, we calculate the decay rates of the X(3872) to π0 and a P-wave charmonium χcJ state with J = 0, 1, or 2, and the rate of its decay to J/ψπ+π− with the help of the Barnes-Swanson model, where π+π− are assumed to be produced via an intermediate ρ state. This calculation shows that the decay rate of X(3872) to χc1π0 is 1 order of magnitude smaller than its decay rate to J/ψπ+π− and the decay widths of X(3872)→χcJπ0 for J=0, 1, 2 are of the same order.
ISSN:2470-0010
2470-0029
DOI:10.1103/PhysRevD.100.094025