Vector Model of the Weak Interactions

De Rujula, A.; Georgi, Howard; Glashow, S.L.

doi:10.1103/PhysRevD.12.3589

Vector Model of the Weak Interactions

Jul, 1975

57 pages

Published in:

Phys.Rev.D 12 (1975) 3589

DOI:

10.1103/PhysRevD.12.3589

Report number:

Print-75-0640 (HARVARD)

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Abstract: (APS)

We search for a renormalizable gauge theory incorporating our modified weak current. The right-handed quarks participate to give a natural explanation for the nonleptonic ΔI=12 rule. We argue that extra quarks and/or extra leptons are necessary. We focus on a vector-like model involving six different quark "flavors," each in a color triplet: 18 quarks all told. The model also involves a third charged lepton and several massive neutral leptons. We compare the predictions of our model with the conventional (12 quarks) model. Present experimental data are insufficient to discriminate between the two models. We give detailed analyses and predictions concerning charged-current and neutral-current phenomena, including inclusive scattering, scattering of neutrinos by electrons, single-pion production, and neutrino or antineutrino elastic scattering on protons.

MODEL: WEAK INTERACTION
WEAK INTERACTION: VECTOR
CURRENT: CHARGE
QUARK
LEPTON
SELECTION RULE: ISOSPIN
INTERPRETATION OF EXPERIMENTS
NEUTRINO: INCLUSIVE REACTION
NEUTRAL CURRENT
NEUTRINO ELECTRON: ELASTIC SCATTERING

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