In this note the authors report their final results for the ( pi /sup -/, gamma gamma ) capture mode in /sup 12/C and /sup 9 /Be and comment on the discrepancy observed between theory and two experiments at large interphoton angles.
Lebrun, M., Deutsch, J., Favart, D., Lipnik, P., Macq, P., & Prieels, R. (1984). Observation of two-photon emission after pion capture in /sup 12 /C and /sup 9/Be. Physical Review C (Nuclear Physics), 30(1), 383-384. https://hdl.handle.net/2078.5/44926 (Original work published 1984)