Title

Muon pair production in 16 and 22 GeV πCu collisions

Document Type

Article

Publication Date

2-26-1979

Abstract

We have measured inclusive muon pair production by 16 and 22 GeV π- on a copper target in a wide aperture magnetic spectrometer. We interpret the data in terms of quark annihilation models and find approximate scaling in the variable τ = M2/s over a wide energy range. At large values of τ the yield of μ-pairs produced by π- is ∼ 100 times that produced by protons. This effect can be understood by assuming appropriate quark distributions for π- and p and thus provides experimental insight into the inner structure of these particles. © 1979.

Publication Source (Journal or Book title)

Physics Letters B

First Page

397

Last Page

400

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