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$X_0(2900)$ production in the $B^+$ decay process

Author:
Zhuo Yu, Qi Wu, Dian-Yong Chen
Keyword:
High Energy Physics - Phenomenology, High Energy Physics - Phenomenology (hep-ph), High Energy Physics - Experiment (hep-ex)
journal:
--
date:
2023-10-18 16:00:00
Abstract
In the present work, we investigate the $X_0(2900)$ production process $B^+ \to D^+ X_0(2900)$ in the molecular frame, where $X_0(2900)$ is considered as a $\bar{D}^{*}K^*$ molecular state. We infer that the initial $B^+$ meson and the final $X_0(2900)$ are connected through $D_{s1}(2460)^+ \bar{D}^{*0}$ mesons by exchanging a $K^{*0}$ meson. The contributions from such a meson loop to the process $B^+ \to D^+ X_0(2900)$ are evaluated and our estimations indicate that the measured branching fraction of $B^+ \to D^+ X_0(2900)$ could be well reproduced in a reasonable model parameter range, which indicates that $X_0(2900)$ could be interpreted as a $\bar{D}^{*}K^*$ molecular state.
PDF: $X_0(2900)$ production in the $B^+$ decay process.pdf
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