Abstract

Calculations are presented for the exclusive pion radiative capture reaction from complex nuclei A(\ensuremath{\pi},\ensuremath{\gamma}N)B in the framework of the nonlocal distorted wave impulse approximation. Our results are found to be in reasonable agreement with a recent TRIUMF experiment $^{16}\mathrm{O}$(${\mathrm{\ensuremath{\pi}}}^{+}$,\ensuremath{\gamma}p${)}^{15}$O. Since pion radiative capture is related to pion photoproduction via time reversal invariance, the findings reported here are at variance with the recent BATES experiment $^{16}\mathrm{O}$(\ensuremath{\gamma},${\mathrm{\ensuremath{\pi}}}^{\mathrm{\ensuremath{-}}}$p${)}^{15}$O.

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