Angular dependences in electroweak semi-inclusive leptoproduction

Details Angular dependences in electroweak semi-inclusive leptoproduction Angular dependences in electroweak semi-inclusive leptoproduction

1999-07-26

arxiv.org/abs/hep-ph/9907504v1

Nucl.Phys. B564 (2000) 471-485

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages, Revtex, 5 Postscript figures, uses aps.sty, epsfig.sty

Scientific paper

10.1016/S0550-3213(99)00586-6

We present the leading order unpolarized and polarized cross sections in electroweak semi-inclusive deep inelastic leptoproduction. The azimuthal dependences in the cross section differential in the transverse momentum of the vector boson arise due to intrinsic transverse momenta of the quarks. However, the presented asymmetries are not suppressed by inverse powers of the hard scale. We discuss the different opportunities to measure specific asymmetries as offered by neutral compared to charged current processes and point out the optimal kinematical regions. The present and (proposed) future HERA collider experiments would be most suitable for measuring some of the asymmetries discussed here, especially in case of Lambda production.

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