SEMIINCLUSIVE POLARIZED LEPTON NUCLEON-SCATTERING AND THE ANOMALOUS GLUON CONTRIBUTION

Authors
GULLENSTERN S VELTRI M GORNICKI P MANKIEWICZ L SCHAFER A
Citation
S. Gullenstern et al., SEMIINCLUSIVE POLARIZED LEPTON NUCLEON-SCATTERING AND THE ANOMALOUS GLUON CONTRIBUTION, Physics letters. Section B, 312(1-2), 1993, pp. 166-172
Citations number
18
Categorie Soggetti
Physics
Journal title
Physics letters. Section B → ACNP
ISSN journal
03702693
Volume
312
Issue
1-2
Year of publication
1993
Pages
166 - 172
Database
ISI
SICI code
0370-2693(1993)312:1-2<166:SPLNAT>2.0.ZU;2-A
Abstract
We discuss a new observable for semi-inclusive pion production in pola rised lepton-nucleon collisions. This observable is sensitive to the p olarised and unpolarised strange quark distribution and the anomalous gluon contribution, provided that their fragmentation functions into p ions differ substantially from that of light quarks. From Monte Carlo data generated with our PEPSI code we conclude that HERMES might be ab le to decide whether the polarized strange quark and gluon distributio ns are large.