Almost unique determination of neutral-current couplings in neutrino-hadron interactions |
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Authors: | Pham Quang Hung J.J. Sakurai |
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Affiliation: | Department of Physics, University of California, Los Angeles, CA 90024, USA |
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Abstract: | Simultaneous analyses of inclusive and semi-inclusive reactionns in neutrino-nucleon collisions and elastic neutrino-proton scattering uniquely determine the neutral-current couplings between neutrinos and hadrons up to a two-fold “vector-axial-vector ambiguity”. One of the preferred solutions coincides with the Salam-Weinberg model within errors while the other solution, also compatible with SU(2) ? U(1) models with the simplest Higgs mechanism, may be helpful in understanding the bismuth puzzle. |
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