Abstract
It is shown that the azimuthal dependence of the distribution of hadrons in a quark jet is a probe of the transverse spin of the quark initiating the jet. This results in a new spin-dependent fragmentation function that acts at the twist-2 level. One example of a process where it contributes is semi-inclusive deeply inelastic scattering with a transversely polarized nucleon target but with an unpolarized electron beam. This process is treated in detail. Another process in the cross section for singly polarized hadron-hadron scattering when two high-p ⊥ hadrons are measured in the final state and are close to back-to-back in azimuth. The new fragmentation function is sensitive to the coupling of the fragmentation process to (spontaneous) chiral symmetry breaking.
Original language | English (US) |
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Pages (from-to) | 161-182 |
Number of pages | 22 |
Journal | Nuclear Physics, Section B |
Volume | 396 |
Issue number | 1 |
DOIs | |
State | Published - May 10 1993 |
All Science Journal Classification (ASJC) codes
- Nuclear and High Energy Physics