Sivers effect in Drell-Yan processes

Details Sivers effect in Drell-Yan processes Sivers effect in Drell-Yan processes

2009-01-20

arxiv.org/abs/0901.3078v1

Phys.Rev.D79:054010,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

RevTeX4, 12 pages, 23 eps figures

Scientific paper

10.1103/PhysRevD.79.054010

The Sivers distributions recently extracted from semi-inclusive deep inelastic scattering data [1] are used to compute estimates for Sivers asymmetries in Drell-Yan processes which are being planned at several facilities (RHIC, COMPASS, J-PARC, PAX, PANDA, NICA (JINR) and SPASCHARM (IHEP)). Most of these asymmetries turn out to be large and could allow a clear test of the predicted sign change of the Sivers distributions when active in SIDIS and Drell-Yan processes. This is regarded as a fundamental test of our understanding, within QCD and the factorization scheme, of single spin asymmetries.

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