T-odd fragmentation functions

Details T-odd fragmentation functions T-odd fragmentation functions

2001-06-08

arxiv.org/abs/hep-ph/0106092v1

Nucl.Phys. A699 (2002) 144-147

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, .eps figures included; Elsevier espcrc1.sty used; proceedings of the 3rd International Conference on Perspectives in

Scientific paper

10.1016/S0375-9474(01)01483-X

We discuss the properties of fragmentation functions arising from the interference of two leading hadrons produced inside the same jet in the current fragmentation region of a hard process. For the case of semi-inclusive Deep Inelastic Scattering (DIS), a proper folding of the cross section, integrated over the azimuthal position of the detected hadrons, produces a factorized form that allows for the extraction of the quark transversity distribution at leading twist. Using an extended spectator model, explicit calculations are shown for the hadron pair being two pions with invariant mass inside the $\rho$ resonance width.

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