Complex fragment mass distributions IN84Kr+27AlATElab=10.6 MeV/u

K Yuasa-Nakagawa,K Ieki,S M Lee,H Fujiwara,T Nakagawa,T Mizota,T Matsuse,B Heusch,T Sugimitsu,Y H Pu,S C Jeong

doi:10.1063/1.42031

Complex fragment mass distributions IN84Kr+27AlATElab=10.6 MeV/u

K Yuasa-Nakagawa, K Ieki + Show 9 more

https://doi.org/10.1063/1.42031

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Publication Date: Jan 1, 1992

Affiliation: University of Tsukuba, Rikkyo University, RIKEN, Shinshu University, University of Strasbourg, Kyushu University

#Hot Compound Nucleus #Angular Momentum Window + Show 8 more

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Abstract

To study the decay mechanisms of intermediate mass fragments and fission products from a hot compound nucleus, we made an experiment for 84Kr+27Al at the energy of 10.6 MeV/u using Riken Ring Cyclotron Facility. The distributions of nuclear element Z and its isotope mass are extensively analyzed in terms of Extended Hauser‐Feshbach Method (EHFM) and it is concluded that the sequential decay plays an important role in the decay process from the highly excited compound nucleus. The dependence of element distributions on angular momentum is intensively discussed by comparing the two systems 84Kr+27Al and 3He+Ag, which form the same compound nucleus with different angular momentum window at the same excitation energy.

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