Coherent vector-meson photoproduction with nuclear breakup in relativistic heavy-ion collisions

AJ Baltz, SR Klein, Joakim Nystrand

Research output: Contribution to journalArticlepeer-review

90 Citations (SciVal)

Abstract

Relativistic heavy ions are copious sources of virtual photons. The large photon flux gives rise to a substantial photonuclear interaction probability at impact parameters where no hadronic interactions can occur. Multiple photonuclear interactions in a single collision are possible. In this Letter, we use mutual Coulomb excitation of both nuclei as a tag for moderate-impact-parameter collisions. We calculate the cross section for coherent vector-meson production accompanied by mutual excitation and show that the median impact parameter is much smaller than for untagged production. The vector-meson rapidity and transverse-momentum distribution are very different from untagged exclusive vector-meson production.
Original languageEnglish
JournalPhysical Review Letters
Volume89
Issue number1
DOIs
Publication statusPublished - 2002

Subject classification (UKÄ)

  • Subatomic Physics

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