Phys.Rev. C 100, 014606 (2019)

H.Naik, G.N.Kim, K.Kim, M.Zaman

Mass yield distributions in the ²³²Th (n, f) reaction with fast neutrons

NUCLEAR REACTIONS ²³²Th(n, F)⁷⁷Ge/⁷⁸Ge/⁸⁴Br/^85mKr/⁸⁷Kr/⁸⁸Kr/⁸⁹Rb/⁹¹Sr/⁹²Sr/⁹³Y/⁹⁴Y/⁹⁵Zr/⁹⁷Zr/⁹⁹Mo/¹⁰¹Mo/¹⁰³Ru/¹⁰⁴Tc/¹⁰⁵Ru/¹⁰⁵Rh/¹⁰⁷Rh/¹¹²Ag/¹¹³Ag/¹¹⁵Cd/^115mCd/¹¹⁷Cd/^117mCd/¹²⁷Sb/¹²⁸Sn/¹²⁹Sb/¹³¹Sb/¹³¹I/¹³²Te/¹³³I/¹³⁴Te/¹³⁴I/¹³⁵I/¹³⁸Cs/¹³⁹Ba/¹⁴⁰Ba/¹⁴¹Ba/¹⁴¹Ce/¹⁴²La/¹⁴³Ce/¹⁴⁶Pr/¹⁴⁷Nd/¹⁴⁹Nd/¹⁴⁹Pm/¹⁵¹Pm/¹⁵³Sm, E=7.46, 13.4, 18.0 MeV; measured Eγ, Iγ, cumulative and mass fission product yields, fission yield mass distribution, average light and heavy fragment mass, average neutron multiplicity, and peak to valley ratio using offline γ-ray spectroscopy at the MC-50 Cyclotron facility of Korea Institute of Radiological and Medical Sciences. Comparison with other experimental values, and with similar quantities in ²³⁸U(n, F), E=fast. Discussed effect of deformed shells closure proximity due to the octupole deformation of fragments.

doi: 10.1103/PhysRevC.100.014606