Elsevier

Physics Letters B

Volume 89, Issue 1, 31 December 1979, Pages 145-150
Physics Letters B

Experimental cross section for dimuon production and the Drell-Yan model

https://doi.org/10.1016/0370-2693(79)90093-5Get rights and content

Abstract

We have measured the absolute cross section for dimuon production in hadron collisions at 200 GeV/c in the continuum region M = 4–8.5 GeV. In all the channels studied (pN, pN, π±N and πH2) the experimental cross section is significantly larger by a factor of 2.3 ± 0.5 than expected from the Drell-Yan model. Furthermore, our proton-nucleon data allow a determination of the nucleon valence structure function which agrees with the deep inelastic lepton scattering data.

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