Neutron tagging of quasielastic J/ψ photoproduction off nucleus in ultraperipheral heavy ion collisions at RHIC energies

M. Strikman, M. Tverskoy, M. Zhalov

Research output: Contribution to journalArticlepeer-review

34 Scopus citations

Abstract

We compare the coherent and quasielastic J/ψ photoproduction in the peripheral heavy ion collisions in kinematics of Relativistic Heavy Ion Collider (RHIC) at √sNN=200 GeV. Our improved estimate of the total coherent cross section is a factor of two smaller than the earlier ones. We find that the counting rate of quasielastic J/ψ photoproduction tagged by neutrons emitted due to cascading of the recoiled nucleon within the residual nucleus exceeds the rate of the coherent events. We argue that measurements of this process can be used to learn about the dynamics of color dipole-nucleon interactions in nuclei in the wide effective range of energies of γA interactions.

Original languageEnglish (US)
Pages (from-to)72-79
Number of pages8
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume626
Issue number1-4
DOIs
StatePublished - Oct 20 2005

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

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