Using Drell-Yan Processes to Probe Nucleon and Meson Structure Functions

Details Using Drell-Yan Processes to Probe Nucleon and Meson Structure Functions Using Drell-Yan Processes to Probe Nucleon and Meson Structure Functions

1997-12-11

arxiv.org/abs/hep-ph/9712348v1

Phys.Rev. D57 (1998) 3065-3071

Physics

High Energy Physics

High Energy Physics - Phenomenology

14 pages latex and 8 postscript figures, Phys. Rev. D (to appear)

Scientific paper

10.1103/PhysRevD.57.3065

We investigate how Drell-Yan processes can be used to measure the magnitude of flavor symmetry violation in the proton sea. We examine the utility of the following beams: protons, charged pions, and charged kaons. In each case we present an approximate expression for the Drell-Yan asymmetry. Using currently available parton distributions, we locate those kinematic regions which provide the greatest information on the quantity $\bar{d}^p(x) - \bar{u}^p(x)$. If sufficiently intense $K^+$ beams were available, they could provide an efficient measurement of this quantity. Finally we present and discuss sets of sum rules for the Drell-Yan processes.

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