XENON YIELDS IN THE FISSION OF HEAVY ELEMENTS BY MEDIUM-ENERGY PROTONS

Abstract

Independent yields for 133Xe and 135Xe and cumulative yields for 133I and 135I in fission of 233U, 235U, 238U, and 232Th with protons of energies 20–85 MeV were measured. Values of Zp, the most probable charge, were obtained by two different methods. The behavior of Zp for 236U and 233U differed considerably from that of 238U and 232Th. Total chain yields were obtained for A = 133 and A = 13.5.