Bulletin of the American Physical Society
5th Joint Meeting of the APS Division of Nuclear Physics and the Physical Society of Japan
Volume 63, Number 12
Tuesday–Saturday, October 23–27, 2018; Waikoloa, Hawaii
Session CF: Mini-symposium on Studying Quantum Chromodynamics at an Electron-Ion Collider I
7:00 PM–9:15 PM,
Wednesday, October 24, 2018
Hilton
Room: King's 2
Chair: Shoichi Sasaki, Tohoku University
Abstract ID: BAPS.2018.HAW.CF.6
Abstract: CF.00006 : First Monte Carlo Global Analysis of Nucleon Transversity with Lattice QCD Constraints*
8:30 PM–8:45 PM
Abstract 
Presenter:
Wally Melnitchouk
(Jefferson Lab)
Authors:
Wally Melnitchouk
(Jefferson Lab)
Huey-Wen Lin
(Michigan State Univ)
Alexei Prokudin
(Penn State Berks)
Nobuo Sato
(Univ of Connecticut)
Harvey F Shows III
(Louisiana State Univ - Baton Rouge)
We report on the first global QCD analysis of the quark transversity distributions in the nucleon from semi-inclusive deep-inelastic scattering (SIDIS), using a Monte Carlo method based on nested sampling and constraints on the isovector tensor charge gT from lattice QCD. A simultaneous fit to the available SIDIS Collins asymmetry data is compatible with gT values extracted from a comprehensive reanalysis of existing lattice simulations, in contrast to previous analyses, which found significantly smaller gT values.
*This work was supported by the U. S. Department of Energy Contract No. DE-AC05-06OR23177, under which Jefferson Science Associates, LLC operates Jefferson Lab, and by the National Science Foundation Contracts No. PHY-1623454, PHY-1653405, and PHY-1659177.
To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2018.HAW.CF.6
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