HOT TOPICS IN ULTRA-PERIPHERAL ION COLLISIONS
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HOT TOPICS IN ULTRA-PERIPHERAL ION COLLISIONS

  • Author(s): BAUR, G
  • BERTULANI, CA
  • CHIU, M
  • GINZBURG, IF
  • HENCKEN, K
  • KLEIN, SR
  • NYSTRAND, J
  • PIOTRZKOWSKI, K
  • ROLDAO, CG
  • SILVERMYR, D
  • THOMAS, JH
  • WHITE, SN
  • YEPES, P
  • et al.
Abstract

Ultra-peripheral collisions of relativistic heavy ions involve long-ranged electromagnetic interactions at impact parameters too large for hadronic interactions to occur. The nuclear charges are large; with the coherent enhancement, the cross sections are also large. Many types of photonuclear and purely electromagnetic interactions are possible. We present here an introduction to ultra-peripheral collisions, and present four of the most compelling physics topics. This note developed from a discussion at a workshop on ``Electromagnetic Probes of Fundamental Physics,'' in Erice, Italy, Oct. 16-21, 2001.

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