Determination of gluon, charm (and bottom), and valence quark distributions

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Associated production of W or Z with a charm at high-energy pp or p p ̄ colliders is investigated, including complete QCD corrections up to order ααs2. We can probe gluon, and charm (and bottom) densities inside nucleons using prompt W and Z productions without the theoretical and experimental uncertainties, which are closely related to the direct photon production experiments at high-energy hadron colliders. Also we derive a unique method to extract the ratio of the valence quark densities using the experimental measurement of asymmetry in W rapidity distribution.

Original languageEnglish
Pages (from-to)87-104
Number of pages18
JournalNuclear Physics, Section B
Issue number1
Publication statusPublished - 1991 Apr 8

Bibliographical note

Funding Information:
I would like to thank rtin and WJ Stirling for the recent collaboration [19], and F . Halien [151 and agiwara [131 for the previous collaborations that lead to this investigation and J . Collins, R .J .N . Phillips and K. Tesirna for helpful discussions . The work was supported by the UK Science and Engineering Research Council .

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics


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