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Charged- and neutral-current interference in νe−e scattering

B. Kayser

E. Fischbach, S. P. Rosen, and H. Spivack

  • Physics Division, National Science Foundation, Washington, D. C. 20550

  • Purdue University, West Lafayette, Indiana 47907

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Phys. Rev. D 20, 87 – Published 1 July, 1979

DOI: https://doi.org/10.1103/PhysRevD.20.87

Abstract

In the scattering of electronic neutrinos νe by electrons, charged- and neutral-current weak interactions can interfere with each other. According to all the popular gauge models that are consistent with neutralcurrent data, including the measurements of polarized-electron-deuteron scattering, this interference should be negative. The conditions under which a beam-dump experiment can be used to study charged- and neutralcurrent interference are studied in detail. It appears that if the interference is assumed to be present in the first place, then a 25% measurement of the integrated cross section will allow one to determine its sign. Greater accuracy is required to show that the interference actually does occur in νe−e scattering. Tests for the presence of the helicity-flipping covariants S, P, T are also discussed.

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Phys. Rev. D 20, 87– Published 1 July, 1979
  • Received 28 February 1979

© 1979 American Physical Society

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