THE PHYSICS OF ELEMENTARY PARTICLES AND FIELDS |
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Production of $P_{cs}(4459)$ from $\varXi_b$ Decay |
Qi Wu1, Dian-Yong Chen1*, and Ran Ji2 |
1School of Physics, Southeast University, Nanjing 210094, China 2Research School of Physics, Australian National University, Canberra 2601, Australia
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Cite this article: |
Qi Wu, Dian-Yong Chen, and Ran Ji 2021 Chin. Phys. Lett. 38 071301 |
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Abstract Inspired by the $P_{cs}(4459)$ reported by the LHCb collaboration recently, we investigate the $P_{cs}(4459)$ production from $\varXi_b$ decay in a molecular scenario using an effective Lagrangian approach. With different $J^P$ assignments to $P_{cs}(4459)$, the magnitude of branching fractions of $\varXi_b \to P_{cs}(4459) K$ is estimated, which is of the order of $10^{-4}$. Together with the decay properties of $P_{cs}(4459)$, the present estimations could be further testified by precise measurements and contribute to a better understanding of the molecular interpretations and the exploration of $J^P$ quantum numbers of $P_{cs}(4459)$.
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Received: 07 April 2021
Published: 03 July 2021
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Fund: Supported by the National Natural Science Foundation of China (Grant No. 11775050), and the Scientific Research Foundation of Graduate School of Southeast University (Grant No. YBPY2028). |
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