Renormalization of theP- andT-odd nuclear potentials by the strong interaction and enhancement ofP-odd effective field

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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 π+ρ exchange, the conventional strength value leads to anomalous enhancement of the P-odd potential. Moreover, the π-meson exchange contribution seems to be large enough to generate an instability (pole) in the nuclear response to a weak potential.
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