Parity violating elastic electron scattering and Coulomb distortions

C. J. Horowitz
Phys. Rev. C 57, 3430 – Published 1 June 1998
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Abstract

Parity violating elastic electron-nucleus scattering provides an accurate and model-independent measurement of neutron densities, because the Z0 couples primarily to neutrons. Coulomb distortion corrections to the parity violating asymmetry Al are calculated exactly using a relativistic optical model. Distortions significantly reduce Al in a heavy nucleus. However, even with distortions, an experiment to measure the neutron radius is feasible. This will aid the interpretation of future atomic parity violation measurements and provide fundamental nuclear structure information. Coulomb distortions and small differences between neutron and proton radii could be important for a standard model test on 4He, 12C, or 16O.

  • Received 9 January 1998

DOI:https://doi.org/10.1103/PhysRevC.57.3430

©1998 American Physical Society

Authors & Affiliations

C. J. Horowitz*

  • Nuclear Theory Center, 2401 Milo B. Sampson Lane, Bloomington, Indiana 47405

  • *Email: charlie@iucf.indiana.edu

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Vol. 57, Iss. 6 — June 1998

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