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Research PapersNo Access

HOW IS TRANSVERSITY RELATED TO HELICITY FOR QUARKS AND ANTIQUARKS INSIDE THE PROTON?

CLAUDE BOURRELY

Département de Physique, Faculté des Sciences de Luminy, Université de la Méditerranée – Aix-Marseille II, 13288 Marseille, Cedex 09, France

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,

FRANCO BUCCELLA

Dipartimento di Scienze Fisiche, Università di Napoli, Via Cintia, I-80126, Napoli, Italy

INFN, Sezione di Napoli, Italy

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, and

Physics Department, Temple University, Barton Hall, 1900 N, 13th Street, Philadelphia, PA 19122-6082, USA

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https://doi.org/10.1142/S0217732309031302Cited by:3 (Source: Crossref)

Abstract

We consider the quark and antiquark transversity distributions inside a polarized proton and study how they are expected to be related to the corresponding helicity distributions, both in sign and magnitude. Our considerations lead to simple predictions in good agreement with their first determination for light quarks from experimental data. We also give our predictions for the light antiquarks transversity distributions, so far unknown.

Keywords:

PACS: 12.40.Ee, 13.60.Hb, 13.88.+e, 14.65.Bt

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Vol. 24, No. 24

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Received 10 May 2009

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