English

Parity Violation in Deep Inelastic Scattering with the SoLID Spectrometer at JLab

Nuclear Experiment 2017-01-12 v1

Abstract

Measurements of parity-violating asymmetries in DIS region using the SoLID spectrometer at Jefferson Lab (JLab) Hall A in the 12 GeV era are presented. A proposal with a polarized electron beam on unpolarized deuteron and proton targets has been approved with an A rating by the JLab PAC. The deuteron measurement aims to measure the weak mixing angle sin2θW\sin^2 \theta_W with a precision of ±\pm 0.0006 as well as to access the fundamental coupling constants C2qC_{2q} with a high precision. This measurement is ideally suited for testing the Standard Model with the potential to probe charge symmetry violation and resolve the quark-quark correlations in the DIS region. The proton experiment provides a clean measurement of d/ud/u ratio in the high-xx region free of nuclear corrections. To achieve these goals, the SoLID spectrometer was proposed and designed to handle a high luminosity with a large acceptance. In this article, the details of the approved measurements are discussed, along with new ideas with PVDIS using a polarized 3^3He target to access new γZ\gamma-Z interference polarized structure functions and a unpolarized 48^{48}Ca target to study the EMC effect.

Keywords

Cite

@article{arxiv.1701.02780,
  title  = {Parity Violation in Deep Inelastic Scattering with the SoLID Spectrometer at JLab},
  author = {Y. X. Zhao},
  journal= {arXiv preprint arXiv:1701.02780},
  year   = {2017}
}

Comments

For the SoLID Collaboration. Proceeding for the Spin2016 conference

R2 v1 2026-06-22T17:46:45.028Z