Experimental study of P-parity nonconservation in the neutron resonance of 117Sn
Alfimenkov V. P., Borzakov S. B., Tkhuan Vo Van, Mareev Yu. D., Pikel'ner L. B., Rubin D., Khrykin A. S., Sharapov E. I.
Nonconservation of space parity has been detected in the 1.33-eV ρ resonance of 117Sn. A value^fiip) = (4.5 ± 1.3)X 10~3 has been obtained at the resonance for the ratio of the difference in the cross sections with opposite helicities (σ+ — a _) to their sum (σ+ + σ_).