Polarized electron-nucleus scattering and parity-violating neutral-current interactions
- 1 December 1975
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review D
- Vol. 12 (11), 3575-3582
- https://doi.org/10.1103/physrevd.12.3575
Abstract
The polarization asymmetry in the scattering of polarized electrons from nuclei coming from the interference between electromagnetic interactions and parity-violating neutral-current interactions is discussed. It is shown how measurements of this asymmetry in various elastic and inelastic electron-nucleus scatterings can be used to determine specific spin and isospin terms in the hadronic neutral current. A specially interesting case would be a measurement in a → excitation, in which the asymmetry is 100 times larger than usual because the electromagnetic matrix element involves two-photon exchange.
Keywords
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