Actions for Process-dependent transverse momentum distributions from lattice QCD [electronic resource].

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Process-dependent transverse momentum distributions from lattice QCD [electronic resource].

Published
Washington, D.C. : United States. Dept. of Energy. Office of Science, 2011.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Additional Creators
Thomas Jefferson National Accelerator Facility (U.S.), United States. Department of Energy. Office of Science, and United States. Department of Energy. Office of Scientific and Technical Information
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Summary
Certain single-spin asymmetries in semi-inclusive DIS (SIDIS) and the Drell-Yan process (DY) can be explained by transverse momentum dependent parton distribution functions (TMDs) that are predicted to differ in sign for SIDIS and DY. On the lattice, we can use non-local operators with U-shaped Wilson lines to study these TMDs, in particular the Sivers- and the Boer-Mulders function. We discuss the method, its limitations and preliminary results from an exploratory calculation using lattices generated by the MILC and LHP collaborations.
Report Numbers
E 1.99:jlab-thy-11-1415
E 1.99: doe/or/23177-1781
doe/or/23177-1781
jlab-thy-11-1415
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Note
Published through SciTech Connect.
12/01/2011.
"jlab-thy-11-1415"
" doe/or/23177-1781"
Hadron 2011, 13-17 Jun 2011, Kunstlerhaus, Munich, Germany.
Bernhard Musch.
Funding Information
AC05-06OR23177
View MARC record | catkey: 13820691