Abstract
The front-back asymmetry of outgoing muons in the inclusive reaction p p → Z(→ μ +μ −)+ anything is calculated in the framework of the Drell-Yan model. We get very general expressions for the front-back asymmetry and the differential cross section in terms of the weak coupling constants and the parton distributions. Results for W ± production and proton-proton collisions are also given. Numerical estimates are made using various parton distributions and the Weinberg-Salam model for definiteness. We comment on the predictions of gauge theories that accommodate the absence of parity violating effects in atomic physics. We also give a new estimate of the inclusive cross sections p p or pp → Z(→ μ + μ −) or W ±(→ μ ± ν μ ) + anything. The effects of asymptotic freedom in the frontback asymmetries and the total cross sectons are investigated. We reanalyze results for the purely leptonic reaction e + e − → γ, Z → μ + μ −.
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