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27 April 2024
 
  » arxiv » hep-ph/0001119

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On the azimuthal asymmetries in DIS
A. V. Efremov ; M. Polyakov ; K. Goeke ; D. Urbano ;
Date 13 Dec 1999
Journal Phys.Lett. B478 (2000) 94-100
Subject hep-ph
AffiliationDubna, JINR), M. Polyakov (Ruhr U., Bochum & St. Petersburg, INP), K. Goeke (Ruhr U., Bochum) and D. Urbano (Ruhr U., Bochum & FEUP, Porto
AbstractUsing the recent experimental data on the left right asymmetry in fragmentation of transversely polarized quarks and the theoretical calculation of the proton transversity distribution in the effective chiral quark soliton model we explain the azimuthal asymmetries in semi-inclusive hadron production on longitudinal (HERMES) and transversely (SMC) polarized targets with no free parameters. On this basis we state that the proton transversity distribution could be successfully measured in future DIS experiments with longitudinally polarized target.
Source arXiv, hep-ph/0001119
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