The reaction and the and contributions
arXiv:2503.00437 · doi:10.1103/tjmy-73k4
Abstract
Motivated by the recent LHCb Collaboration analysis, we have investigated the process by considering the contributions from the resonances and . Our results are in good agreement with the measured invariant mass distributions and the Dalitz plot of LHCb, which supports the existence of the and the in the process . Since the decay mode of is Okubo-Zweig-Iizuka (OZI) suppressed for the charmonium state, the measurements of the through the process or other processes is helpful to understanding the nature of the . Thus, we advocate that Belle~II and LHCb Collaborations could perform the more precise analysis to confirm the evidence of the state, which could be helpful to reduce the experimental uncertainties of its mass and width, and to explore its nature.
arXiv comment8 pages, 6 figures
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