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Exclusive proton-antiproton production in two-photon collisions
Journal article   Peer reviewed

Exclusive proton-antiproton production in two-photon collisions

R Brandelik, W Braunschweig, K Gather, FJ Kirschfink, K Lübelsmeyer, HU Martyn, G Peise, J Rimkus, HG Sander, D Schmitz, …
Physics Letters B, Vol.108(1), pp.67-70
07/01/1982

Abstract

Production of proton-antiproton pairs by two-photon scattering has been observed at the electron-position storage ring PETRA. A total of eight proton-antiproton pairs have been identified using the time-of-flight technique. We have measured a total cross section of 4.5 ± 0.8 nb in the photon-photon c.m. energy range 2.0-2.6 GeV. © 1982.

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