Renormalization of the P- and T-odd nuclear potentials by the strong interaction and enhancement of P-odd effective field

Abstract

Approximate analytical formulas for the self-consistent renormalization of P,T-odd and P-odd weak nuclear potentials by the residual nucleon-nucleon strong interaction are derived. The contact spin-flip nucleon-nucleon interaction reduces the constant of the P,T-odd potential 1.5 times for the proton and 1.8 times for the neutron. Renormalization of the P-odd potential is caused by the velocity dependent spin-flip component of the strong interaction. In the standard variant of $\pi +\rho$-exchange, the conventional strength values lead to anomalous enhancement of the P-odd potential. Moreover, the $\pi$-meson exchange contribution seems to be large enough to generate an instability (pole) in the nuclear response to a weak potential.

5 pages, Revtex3, no figures

References in corpus (1)

• Matrix Elements between Nuclear Compound States and Dynamical Enhancement of the Weak Interaction

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