Generalized parton distributions with helicity flip

Preprint

30 January 2001

preprint
Published by arXiv in arXiv

https://doi.org/10.48550/arXiv.hep-ph/0101335

Abstract

We show that for both quarks and gluons there are eight generalized parton distributions in the proton: four which conserve parton helicity and four which do not. We explain why time reversal invariance does not reduce this number from eight to six, as previously assumed in the literature.

Keywords

GENERALIZED PARTON DISTRIBUTIONS
PARTON DISTRIBUTIONS
PARTON HELICITY
HELICITY FLIP
CONSERVE
PROTON

All Related Versions

Version 1, 2001-01-30, ArXiv
Published version: The European Physical Journal C, 19 (3), 485.

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