PARITY VIOLATION IN DEUTERON ELECTRODISINTEGRATION NEAR THRESHOLD WITH A 0.5-GEV - 4-GEV ELECTRON BEAM
Journal
Phys. Rev.
Journal Volume
C33
Pages
1381-1387
Date Issued
1986
Author(s)
Abstract
Making use of a formalism previously developed by Hwang, Henley, and Miller, we obtain numerical predictions for the electron scattering double differential cross section and the parity-violating asymmetry (caused by Z-boson exchange), both defined in the laboratory frame, for the kinematics suitable for the upcoming Continuous Electron Beam Accelerator Facility. For the kinematic regime characterized by q215 fm-2 and Erel10 MeV with q2 and Erel, respectively, the four-momentum transfer squared and the n-p excitation energy, the asymmetry is of order 10-510-4 while the cross section remains large, so that a precision test of the standard Glashow-Weinberg-Salam electroweak theory may be attempted. For the kinematic regime characterized by q230 fm-2 and Erel10 MeV, the asymmetry may be of order 10-3 so that one may attempt an experiment at backward scattering angles to extract interesting information regarding the large q2 behavior of the nucleon electromagnetic and weak form factors. © 1986 The American Physical Society.
Type
journal article