Perspectives of probing small-x dynamics in protons and nuclei in ultraperipheral AA and pA collisions at LHC

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Abstract

We summarize results of the recent study of ultraperipheral collisions (UPC) published in Physics Reports [A. Baltz et al., Phys. Rept. 458 (2008) 1 [arXiv:0706.3356 [nucl-ex]]]. The study demonstrates that investigations of photon-induced processes in proton-nucleus and nucleus-nucleus collisions at the LHC will allow to probe small-x phenomena in the interactions with nucleons and nuclei in the energy range W ≤ TeV allowing to extend the x range of HERA studies for the protons. As a result it will be possible to explore interactions in the black disk regime in a clean environment at significantly larger virtualities than those available at HERA.

Original languageEnglish (US)
Pages (from-to)111-116
Number of pages6
JournalNuclear Physics B - Proceedings Supplements
Volume179-180
Issue numberC
DOIs
StatePublished - Aug 1 2008

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nuclei
collisions
protons
nucleons
interactions
physics
probes
photons
energy

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics
  • Nuclear and High Energy Physics

Cite this

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abstract = "We summarize results of the recent study of ultraperipheral collisions (UPC) published in Physics Reports [A. Baltz et al., Phys. Rept. 458 (2008) 1 [arXiv:0706.3356 [nucl-ex]]]. The study demonstrates that investigations of photon-induced processes in proton-nucleus and nucleus-nucleus collisions at the LHC will allow to probe small-x phenomena in the interactions with nucleons and nuclei in the energy range W ≤ TeV allowing to extend the x range of HERA studies for the protons. As a result it will be possible to explore interactions in the black disk regime in a clean environment at significantly larger virtualities than those available at HERA.",
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AB - We summarize results of the recent study of ultraperipheral collisions (UPC) published in Physics Reports [A. Baltz et al., Phys. Rept. 458 (2008) 1 [arXiv:0706.3356 [nucl-ex]]]. The study demonstrates that investigations of photon-induced processes in proton-nucleus and nucleus-nucleus collisions at the LHC will allow to probe small-x phenomena in the interactions with nucleons and nuclei in the energy range W ≤ TeV allowing to extend the x range of HERA studies for the protons. As a result it will be possible to explore interactions in the black disk regime in a clean environment at significantly larger virtualities than those available at HERA.

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