The contribution of qq̄ annihilations to dimuon production in πN interactions

Authors

C. Reece, University of Rochester
J. LeBritton, University of Rochester
D. McCal, University of Rochester
W. Metcalf, University of Rochester
A. C. Melissinos, University of Rochester
J. Alspector, University of Rochester
S. Borenstein, University of Rochester
G. Kalbfleisch, University of Rochester
R. C. Strand, University of Rochester
A. Abashian, University of Rochester

Document Type

Article

Publication Date

8-27-1979

Abstract

We present data on dimuon production by 16 GeV π+ and π- beams on a Cu target. From the data we evaluate, for π-N collisions, the fraction of dimuon events that originate from the annihilation process q q ̄ → μ+μ-. Using this information the experimentally determined cross section for the process q q ̄ → μ+μ- is observed to be in agreement with the Drell-Yan model over a wide range of incident energies. The observed deviations from exact scaling are of the order predicted by QCD calculations for the Q2-dependence of the nucleon and the pion structure function. © 1979.

Publication Source (Journal or Book title)

Physics Letters B

First Page

427

Last Page

431

Recommended Citation

Reece, C., LeBritton, J., McCal, D., Metcalf, W., Melissinos, A., Alspector, J., Borenstein, S., Kalbfleisch, G., Strand, R., & Abashian, A. (1979). The contribution of qq̄ annihilations to dimuon production in πN interactions. Physics Letters B, 85 (4), 427-431. https://doi.org/10.1016/0370-2693(79)91289-9