Process-dependent transverse momentum distributions from lattice QCD

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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.

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Musch, Bernhard December 1, 2011.

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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.

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  • Hadron 2011, 13-17 Jun 2011, Kunstlerhaus, Munich, Germany

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  • Report No.: JLAB-THY-11-1415
  • Report No.: DOE/OR/23177-1781
  • Grant Number: AC05-06OR23177
  • Office of Scientific & Technical Information Report Number: 1041552
  • Archival Resource Key: ark:/67531/metadc839404

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  • December 1, 2011

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  • May 19, 2016, 3:16 p.m.

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  • Aug. 3, 2016, 6:59 p.m.

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Musch, Bernhard. Process-dependent transverse momentum distributions from lattice QCD, article, December 1, 2011; Newport News, Virginia. (digital.library.unt.edu/ark:/67531/metadc839404/: accessed December 10, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.