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Ultraperipheral nuclear interactions

Lebedev Physical Institute, Russian Academy of Sciences, Leninsky prosp. 53, Moscow, 119991, Russian Federation

The large-distance ultraperipheral collisions of two relativistic ions are considered. The clouds of photons surrounding the ions are responsible for their distant electromagnetic interaction. The perturbative approach and the method of equivalent photons are described. It is shown that the total cross section of these collisions increases fast with the energy increase and is especially large for heavy ions. Some experimental data and their comparison with theoretical approaches are described. Further proposals are discussed.

Keywords: proton, nucleus, ultraperipheral interactions, cross section, form factor, impact parameter
PACS: 25.75.−q, 34.50.−s, 12.20.−m (all)
DOI: 10.3367/UFNe.2020.03.038741
Citation: Dremin I M "Ultraperipheral nuclear interactions" Phys. Usp., accepted

Received: 19th, February 2020, revised: 24th, March 2020, 25th, March 2020

Оригинал: Дремин И М «Ультрапериферические взаимодействия ядер» УФН, принята к публикации; DOI: 10.3367/UFNr.2020.03.038741

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