Improved positivity bound for Deep Inelastic Scattering on transversely polarized nucleon

Details Improved positivity bound for Deep Inelastic Scattering on transversely polarized nucleon Improved positivity bound for Deep Inelastic Scattering on transversely polarized nucleon

1999-06-22

arxiv.org/abs/hep-ph/9906455v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

LaTeX, 4 pages; CPT--99/P.3845; Talk at Workshop Polarized Protons at High Eergies (DESY-Hamburg, May 17-20, 1999)

Scientific paper

The positivity bound for the transverse asymmetry $A_2$ may be improved by
making use of the fact, that the state of a photon and a nucleon with total
spin 3/2, does not participate to the interference. The bound is therefore
useful in the case of a longitudinal asymmetry small (say, at low $x$) or
negative (like in the neuteron case).

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