Transverse momentum distribution in Drell-Yan pair and W and Z boson production

J. C. Collins, Davison E. Soper, George Sterman

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Abstract

We exhibit and discuss the QCD prediction for the transverse momentum distribution of W bosons, Z bosons and high-mass virtual photons produced in high-energy hadron-hadron collisions. Recent work has shown that this prediction is consistent with the structure of leading twist initial state interactions. The expression we present is expected to give results correct up to order αsN(Q) for any QT when the boson mass Q is very large (> 108 GeV!), given only input from perturbative calculations at order αsN+2 and deeply inelastic scattering structure functions. We specify the required N = 0 coefficients, employing the order αs2 results of Kodaira and Trentadue and of Davies and Stirling. We then show how the expression should be modified to deal with current energy scales. We also discuss the connection between low-QT and high-QT formulae.

Original languageEnglish (US)
Pages (from-to)199-224
Number of pages26
JournalNuclear Physics, Section B
Volume250
Issue number1-4
DOIs
StatePublished - 1985

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All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

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