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Exclusive and dissociative J/psi photoproduction, and exclusive dimuon production, in p-Pb collisions at sqrt{s_(rm NN)} = 8.16 TeV

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arxiv 2304.12403 v2 pith:NWVPEG74 submitted 2023-04-24 nucl-ex hep-ex

Exclusive and dissociative J/psi photoproduction, and exclusive dimuon production, in p-Pb collisions at sqrt{s_(rm NN)} = 8.16 TeV

classification nucl-ex hep-ex
keywords exclusivephotoproductionprotoncollisionscrossdissociativemeasuredprocess
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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The ALICE Collaboration reports three measurements in ultra-peripheral proton$-$lead collisions at forward rapidity. The exclusive two-photon process \ggmm and the exclusive photoproduction of J/$\psi$ are studied. J/$\psi$ photoproduction with proton dissociation is measured for the first time at a hadron collider. The cross section for the two-photon process of dimuons in the invariant mass range from 1 to 2.5 GeV/$c^2$ agrees with leading order quantum electrodynamics calculations. The exclusive and dissociative cross sections for J/$\psi$ photoproductions are measured for photon$-$proton centre-of-mass energies from 27 to 57 GeV. They are in good agreement with HERA results.

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Forward citations

Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. A First Account of the Impact of Ion Electromagnetic Dissociation on Event Exclusivity in Ultraperipheral LHC Collisions

    hep-ph 2026-04 unverdicted novelty 7.0

    Hadrons from ion electromagnetic dissociation break exclusivity conditions in ultraperipheral collisions, resolving tensions in exclusive muon-pair and coherent J/ψ measurements at the LHC.

  2. Dissociative associated $J/\psi$ and dimuon production in Ap ultraperipheral collisions via double parton scattering

    hep-ph 2025-10 unverdicted novelty 5.0

    Derives a DPS pocket formula and effective cross section expression for dissociative J/ψ + dimuon production in Ap ultraperipheral collisions, with predictions at LHC and FCC energies.

  3. Ultra-peripheral Collisions

    hep-ex 2026-07 conditional novelty 1.0

    Ultra-peripheral collisions of heavy ions are reviewed as the energy frontier for photon physics; the paper consolidates a decade of LHC/RHIC results and proposes no new measurement.