Parity Violating Deep Inelastic Scattering with SoLID at JLab
ORAL
Abstract
The Solenoidal Large Intensity Device (SoLID) has been proposed at Jefferson Lab. The device will provide a large-acceptance and is designed to handle high-luminosity in order to study parity-violating deep inelastic scattering (PVDIS) as well as the QCD structure of the proton. We plan to measure the parity-violating asymmetry with high statistics and large kinematic coverage ($0.3 < x < 0.7$, 2 GeV$^{2}$ $<$ Q$^{2}$ $<$ 12 GeV$^{2}$) using a polarized electron beam. By measuring the PVDIS process from an unpolarized deuterium target, we aim to precisely determine the vector-electron and axial-quark coupling, which provides a unique way to test the Standard Model and search for new physics compared with other parity-violating electron scattering processes. This measurement can also be used to study charge symmetry violation in the PDFs as well as higher-twist effects with quark-quark correlations. In addition, we also plan to measure the asymmetry with a hydrogen target, which allows for an extraction of the $d/u$ PDF ratio without any nuclear correction. In this talk, we will provide a brief review for these physics topics as well as an overview for the PVDIS experiment using SoLID.
–
Authors
-
Weizhi Xiong
Syracuse University