Transversity and dihadron fragmentation functions

Details Transversity and dihadron fragmentation functions Transversity and dihadron fragmentation functions

2004-12-10

arxiv.org/abs/hep-ph/0412141v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, to appear in proceedings of SPIN2004, Trieste, 10-16 Oct 2004

Scientific paper

The observation of the quark transversity distribution requires another soft object sensitive to the quark's transverse spin. Dihadron fragmentation functions represent a convenient tool to analyze partonic spin, which can influence the angular distribution of the two hadrons. In particular, the so-called interference fragmentation functions can be used to probe transversity both in semi-inclusive deep inelastic scattering as well as proton-proton collisions. We discuss two single-spin asymmetries sensitive to transversity in the these two processes, at leading twist and leading order in alpha_S.

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