Study of innershell photo-ionization-pumped L23M1 transition in Ca for the development of femtosecond X-ray laser D. Kim, S.H. Son, J.H. Kim, Cs. Toth et C.P.J. Barty J. Phys. IV France, 11 PR2 (2001) Pr2-225-Pr2-231 DOI: 10.1051/jp4:2001242