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Tests for a weak neutral current in l+- n ---> l+- anything at high energy

Authors
  • Derman, E.
Publication Date
Jan 01, 1973
Identifiers
DOI: 10.1103/PhysRevD.7.2755
OAI: oai:inspirehep.net:82120
Source
INSPIRE-HEP
License
Unknown
External links

Abstract

Tests for a weak neutral current in high-energy inclusive l±−N scattering are discussed, where l is a charged lepton and N a nucleon. If the polarization of the incoming lepton of the target nucleon can be varied, or the outgoing lepton's polarization observed, an unambiguous measurable consequence of such a current is parity violation. Some general expressions for parity-violating correlations are derived, and their magnitude in particular models is calculated. Further consequences of such a current are (i) a difference between l−−N and l+−N cross sections and (ii) a deviation of the l−−N cross section from the form implied by one-photon exchange only. Tests for these effects are similarly examined, but an accurate knowledge of higher-order electromagnetic contributions to them is necessary before such tests can be implemented.

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