N. Nose et K. Kume, CORE-POLARIZATION EFFECTS IN PION SINGLE-CHARGE-EXCHANGE REACTION ON P-SHELL NUCLEI, Physical review. C. Nuclear physics, 54(1), 1996, pp. 432-434
We have studied the first-order core-polarization effects in pion sing
le-charge-exchange reactions from polarized N-15 and C-13 under the di
storted-wave impulse approximation. It is shown that the reaction cros
s section and also the asymmetry are moderately affected by the core p
olarization.