Natural Suppression of Strong p and t Noninvariance

Mohapatra, Rabindra N.; Senjanovic, G.

doi:10.1016/0370-2693(78)90243-5

Natural Suppression of Strong p and t Noninvariance

Jun, 1978

4 pages

Published in:

Phys.Lett.B 79 (1978) 283-286

Published: 1978

DOI:

10.1016/0370-2693(78)90243-5

Report number:

CCNY-HEP-78-12

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Abstract: (Elsevier)

In gauge theories with spontaneously broken left-right symmetry, strong P and T non-invariant effects can also be made to vanish naturally in the tree approximation without introducing massless quarks or axions. In a four-flavor SU(2) L × SU(2) R × U(1) L+R model with manifest left-right symmetry, we show that strong CP noninvariance is absent up to the one-loop level and weak CP -violation is of superweak type. Extension to the case of six quarks gives a left-right symmetric generalization of the Kobayashi-Maskawa model without axions.

GAUGE FIELD THEORY: SU(2) X SU(2) X U(1)
SPONTANEOUS SYMMETRY BREAKING
VIOLATION: PARITY
PARITY: VIOLATION
VIOLATION: TIME REVERSAL
superweak interaction
SUPERWEAK INTERACTION: WEAK INTERACTION
QUARK: SEXTET
PERTURBATION THEORY
APPROXIMATION: TREE

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