1. L Tanihata, Proc. of the first Int. Conf. on the Radioactive Nuclear Beams, Berkeley, USA, edited by W D Myers, J M Nitsche and E B Noeman (World Scientific, Singapore, 1990) Tanihata et al, Phys. Lett. B160, 380 (1985); Phys. Rev. Lett. 55, 2676 (1985); Phys. Lett. B206, 592 (1999)
2. Ramendra Nath Majumdar, Phys. Rev. C59, 3275 (1999)
3. Ramendra Nath Majumdar, J. Phys. Soc. Jpn. 72, 3087 (2003)
4. L F Canto et al, Phys. Rev. C55, R570 (1997) H Okamura et al, Phys. Lett. B325, 308 (1994)
5. Yu A Berezhnoy and A P Soznik, Nucl. Phys. A308, 330 (1978)