Abstract
TheV, A structure of charged weak currents of quarks is investigated in the light of the recent results from the high-energy\(\mathop v\limits^{( - )} \) scattering. The bounds for deviations of the quark couplings from theV-A values are determined in three cases: in a general one-boson-exchange parametrization, in the fermion/mirror-fermion mixing parametrization, and in the general left-right symmetricSU(2)L×SU(2)R×U(1) model. The possibility of a light mirror neutrino is discussed and it is shown that this is not ruled out by the experimental results considered.
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