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- W1979050900 abstract "We propose an O(4) ensuremath{bigotimes} U(1) gauge model for weak and electromagnetic interactions, in which the Cabibbo angle is expressed as a free mixing angle between two charged vector bosons without rotating quarks. Four left-handed leptons (${ensuremath{nu}}_{e}$, $e$, ${ensuremath{nu}}_{ensuremath{mu}}$, $ensuremath{mu}$) and quarks ($u$, $d$, $c$, $s$) are, respectively, assumed to belong to quartets of O(4) whereas all the right-handed ones are assumed to belong to singlets. We use the representation (2,1) + (1,2) of O(4) ensuremath{simeq} SU(2) ensuremath{bigotimes} SU(2) for our quartets, different from that used by Pais, (2,2) of SU(2) ensuremath{bigotimes} SU(2). Our model naturally ensures the mechanism and respects quark-lepton universality. $mathrm{CP}$ violation can be incorporated in the model to reproduce effectively results of the superweak theory by a small rotation of $d$ and $s$ quarks. The electric dipole moment ${D}_{n}$ of a neutron is shown to be small, $|frac{D}{e}|ensuremath{lesssim}{10}^{ensuremath{-}29}$ cm. The parity-violating asymmetry in the inelastic scattering of longitudinally polarized electrons from the deuterium recently measured at SLAC is reproduced in our model. A strangeness-changing neutral current also appears but is suppressed to the order ${G}_{F}ensuremath{alpha}$." @default.
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- W1979050900 date "1979-05-01" @default.
- W1979050900 modified "2023-09-30" @default.
- W1979050900 title "O(4) ⊗ U(1) gauge model" @default.
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- W1979050900 doi "https://doi.org/10.1103/physrevd.19.2727" @default.
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