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Asymmetry measurements in antiproton-proton annihilation into two mesons at low energies
Journal article

Asymmetry measurements in antiproton-proton annihilation into two mesons at low energies

R Birsa, F Bradamante, S Dalla Torre-Colautti, A Martin, A Penzo, P Schiavon, F Tessarotto, A Villari, E Heer, R Hess, …
Nuclear physics. Section B, Proceedings supplement, Vol.8(C), pp.141-148
06/1989
DOI: 10.1016/0920-5632(89)90214-4

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Abstract

Analysing power and differential cross-section have been measured for the reactions pp→π−π+, pp→K−K+ by the SING Collaboration (PS172) at LEAR, using a polarized target. Preliminary results of Aon are presented, at 12 momenta from 500 to 1500 MeV/c. They show very large asymmetries, and a remarkable variation with energy in the newly explored low momentum region.
annihilation antiproton asymmetry formula omitted polarized target spin variable

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