First evidence for a new spontaneous fission decay produced in the reaction 30Si + 238U H. Ikezoe, T. Ikuta, S. Mitsuoka, Y. Nagame, I. Nishinaka, K. Tsukada, T. Ohtsuki, T. Kuzumaki and J. Lu Eur. Phys. J. A, 2 4 (1998) 379-382 Published online: 15 August 1998 DOI: 10.1007/s100500050134