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Confronting pentaquark photoproduction with new LHCb observations
The newly measurement of production fractions of states by LHCb
collaboration have put restriction on their branching ratios of
decay, thus constraining their photoproduction in
reaction. We show the tension between LHCb results and the current experiments
in search of photoproduction. We also find that the present information
of branching ratios of has already confronted sharply with
the models which study the nature of
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