Hello, Mr. A. Quark,

 Thank you very much.

salamo alikom

i hope these ref. help you

1- H. Feshbach, Ann. Phys. (N.Y.) 5, 357 (1958); Theoretical Nuclear Physics (Wiley, New York 1992).

2- Y. Sakuragi, Phys. Rev. C 35, 2161 ~1987!.

3-M.E. Brandan and G.R. Satchler, Phys. Rep. 285, 143 (1997).

Mr. Muhammad Anwar, thank you very much for your helpful answer.