Unveiling the nucleon tensor charge at Jefferson Lab: A study of the SoLID case

Zhihong Ye, Nobuo Sato, Kalyan Allada, Tianbo Liu, Jian Ping Chen, Haiyan Gao, Zhong Bo Kang, Alexei Prokudin, Peng Sun, Feng Yuan

Research output: Contribution to journalArticle

29 Scopus citations

Abstract

Future experiments at the Jefferson Lab 12 GeV upgrade, in particular, the Solenoidal Large Intensity Device (SoLID), aim at a very precise data set in the region where the partonic structure of the nucleon is dominated by the valence quarks. One of the main goals is to constrain the quark transversity distributions. We apply recent theoretical advances of the global QCD extraction of the transversity distributions to study the impact of future experimental data from the SoLID experiments. Especially, we develop a simple strategy based on the Hessian matrix analysis that allows one to estimate the uncertainties of the transversity quark distributions and their tensor charges extracted from SoLID data simulation. We find that the SoLID measurements with the proton and the effective neutron targets can improve the precision of the u- and d-quark transversity distributions up to one order of magnitude in the range 0.05<x<0.6.

Original languageEnglish (US)
Pages (from-to)91-98
Number of pages8
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume767
DOIs
StatePublished - Apr 10 2017

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

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