TL;DR
This paper evaluates the potential to detect the P_c(4450) resonance in J/psi photoproduction experiments at JLab, providing estimates of cross sections and branching ratios to guide future measurements.
Contribution
It offers the first feasibility study and estimates for observing the P_c(4450) resonance in J/psi photoproduction, including experimental considerations.
Findings
Detection of P_c(4450) in photoproduction is feasible near the J/psi threshold.
Estimated cross sections suggest measurable signals in upcoming experiments.
Upper limits for the resonance's branching ratio to J/psi p are provided.
Abstract
A resonance-like structure, the P_c(4450), has recently been observed in the J/psi p spectrum by the LHCb collaboration. We discuss the feasibility of detecting this structure in J/psi photoproduction in the CLAS12 experiment at JLab. We present a first estimate of the upper limit for the branching ratio of the P_c(4450) to J/psi p. Our estimates, which take into account the experimental resolution effects, predict that it will be possible to observe a sizable cross section close to the J/psi production threshold and shed light on the P_c(4450) resonance in the future photoproduction measurements.
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