We investigate proton-antiproton (pp̄) pair production via photon-photon fusion in the ultra-peripheral collisions at RHIC, employing a joint impact parameter and transverse momentum dependent formalism. We consider proton exchange, s-channel resonance and hand-bag mechanisms, predicting differential distributions of p p production. Our theoretical predictions can be tested against future measurements at RHIC, to enhance our understanding of photon-photon interactions in strong electromagnetic fields.
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Zhang et al. (2024) studied this question.
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