A triangle-loop effective Lagrangian model predicts chi_c1(3872) radiative branching fractions tens of times above LHCb measurements, supporting a non-charmonium interpretation.
Gokhrooet al.[Belle], Phys
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Radiative decay of $\chi_{c1}$ states in effective Lagrangian approach
A triangle-loop effective Lagrangian model predicts chi_c1(3872) radiative branching fractions tens of times above LHCb measurements, supporting a non-charmonium interpretation.