Large t diffractive J/ψphotoproduction with proton dissociation in ultraperipheral pA collisions at LHC

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dc.creatorFrankfurt, Leonid
dc.creatorStrikman, Mark
dc.creatorZhalov, Michael
dc.date2008-07-14
dc.date.accessioned2026-07-07T12:15:00Z
dc.date.available2026-07-07T12:15:00Z
dc.descriptionWe evaluate the large momentum transfer $J/ψ$ photoproduction with rapidity gaps in ultraperipheral proton-ion collisions at the LHC which provides an effective method of probing dynamics of large t elastic hard QCD Pomeron interactions. It is shown that the experimental studies of this process would allow to investigate the energy dependence of cross section of elastic scattering of a small $c\bar c$ dipole off the gluon over a wide range of invariant energies 10^3 < s_{c\bar c - gluon} < 10^6 GeV^2. The accessible energy range exceeds the one reached in γp at HERA by a factor of 10 and allows the kinematic cuts which improve greatly sensitivity to the Pomeron dynamics as compared to the HERA measurements. The cross section is expected to change by a factor \ge 20 throughout this interval and our estimates predict quite reasonable counting rates for this process with the several of the LHC detectors.
dc.description16 pages, 5 figures
dc.identifierhttps://arxiv.org/abs/0807.2208
dc.identifierhttp://arxiv.org/abs/0807.2208
dc.identifierPhys.Lett.B670:32-36,2008
dc.identifierdoi:10.1016/j.physletb.2008.10.040
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/211385
dc.subjectHigh Energy Physics - Phenomenology
dc.titleLarge t diffractive J/ψphotoproduction with proton dissociation in ultraperipheral pA collisions at LHC
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