On the polarization of low mass dimuons produced in hadronic interactions

Document Type

Article

Publication Date

1-1-1980

Abstract

We have examined the angular distribution of massive μ+μ− pairs produced in 22 GeV/c π−Cu interactions. We find that the virtual photons which give rise to the process γv→μ+μ− are mainly longitudinally polarized. This contradicts the simple quark-antiquark annihilation model indicating that this is not the dominant production mechanism for the bulk of the data. However, for large fractional momentum of the incident q better agreement with the gq annihilation hypothesis is obtained. © 1980, All rights reserved.

Publication Source (Journal or Book title)

"Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics"

First Page

457

Last Page

460

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