Testing unified gauge theories with polarized-electron-nucleon elastic scattering

E. Hoffmann and E. Reya
Phys. Rev. D 18, 3230 – Published 1 November 1978
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Abstract

The parity-violating left-right asymmetry in longitudinally-polarized-electron elastic scattering off unpolarized nucleons is studied in the contest of unified gauge theories of the weak and electromagnetic interactions. Predictions of a large variety of gauge models of present interest are given. It is shown that measurements at low electron beam energies, typically 150 to 800 MeV, and over a wide range of scattering, angles, are of particular importance for distinguishing between various SU(2) ⊗ U(1) models and between models based on larger gauge groups, such as SU(2)LSU(2)RU(1) and SU(3) ⊗ U(1) theories.

  • Received 19 April 1978

DOI:https://doi.org/10.1103/PhysRevD.18.3230

©1978 American Physical Society

Authors & Affiliations

E. Hoffmann and E. Reya*

  • Institut für Physik, Universität Mainz, 6500 Mainz, West Germany

  • *Present address: DESY, 2000 Hamburg 52, West Germany.

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Issue

Vol. 18, Iss. 9 — 1 November 1978

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