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Full text not available from this repository.Abstract
Single-spin asymmetries for semi-inclusive pion production in deep-inelastic scattering have been measured for the first time. A significant target-spin asymmetry of the distribution in the azimuthal angle phi of the pion relative to the lepton scattering plane was formed for pi(+) electroproduction on a longitudinally polarized hydrogen target. The corresponding analyzing power in the sin phi moment of the cross section is 0.022 +/- 0.005 +/- 0.003. This result can be interpreted as the effect of terms in the cross section involving chiral-odd spin distribution functions in combination with a chiral-odd fragmentation function that is sensitive to the transverse polarization of the fragmenting quark.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | FRAGMENTATION FUNCTIONS; ANALYZING POWER; DISTRIBUTIONS; LEPTOPRODUCTION; NUCLEONS; BEAM; |
| Subjects: | 500 Science > 530 Physics |
| Divisions: | Physics > Institute of Theroretical Physics > Chair Professor Schäfer > Group Andreas Schäfer |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 16 May 2022 07:37 |
| Last Modified: | 16 May 2022 07:37 |
| URI: | https://pred.uni-regensburg.de/id/eprint/42550 |
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