Published IN Physical Review C
84 034613 (2012)
LA-UR-11-11965
Calculated fission yields of neutron-deficient mercury isotopes
Peter Möller
Theoretical Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
Jørgen Randrup
Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
Arnold J. Sierk
Theoretical Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
(Dated: November 9, 2011)
The recent unexpected discovery of asymmetric fission of 180Hg following the electron-capture
decay of 180Tl has led to intense interest in experimentally mapping the fission-yield properties
over more extended regions of the nuclear chart and compound-system energies. We present here
a first calculation of fission-fragment yields for neutron-deficient Hg isotopes, using the recently
developed Brownian Metropolis shape motion treatment. The results for
180Hg are in approximate
agreement with the experimental data. For 174Hg the symmetric yield increases strongly with
decreasing energy, an unusual feature, which would be interesting to verify experimentally.
PACS numbers: 25.85.-w, 24.10.Lx,24.75.+i
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Created: Feb 21 2012--> Last modified: Thu July 5, 2012