Calculation of fragmentation functions in two-hadron semi-inclusive processes

Details Calculation of fragmentation functions in two-hadron semi-inclusive processes Calculation of fragmentation functions in two-hadron semi-inclusive processes

2000-10-13

arxiv.org/abs/hep-ph/0010132v1

AIP Conf.Proc. 588 (2001) 240-244

Physics

High Energy Physics

High Energy Physics - Phenomenology

5 pages, 3 figures in .eps format, AIP and epsfig styles included, to appear in proceedings of "Second Workshop on Physics wit

Scientific paper

10.1063/1.1413161

We investigate the properties of interference fragmentation functions arising from the emission of two leading hadrons inside the same jet for inclusive lepton-nucleon deep-inelastic scattering. Using an extended spectator model for the mechanism of the hadronization, we give a complete calculation and numerical estimates for the examples of a proton-pion pair produced with invariant mass on the Roper resonance, and of two pions produced with invariant mass close to the $\rho$ mass. We discuss azimuthal angular dependence of the leading order cross section to point up favourable conditions for extracting transversity from experimental data.

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