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SKYRME-HARTREE-FOCK CALCULATIONS OF FISSION BARRIERS OF THE HEAVIEST AND SUPERHEAVY NUCLEI
ANDRZEJ STASZCZAK
Institute of Physics, Maria Curie-Sk\lodowska University pl. M. Curie-Sk\lodowskiej 1, 20-031 Lublin, Poland;
Department of Physics and Astronomy, University of Tennessee Knoxville, TN 37996,USA;
Physics Division, Oak Ridge National Laboratory P.O. Box 2008, Oak Ridge, TN 37831, USA
stas@tytan.umcs.lublin.pl
JACEK DOBACZEWSKI
Institute of Theoretical Physics, Warsaw University ul. Hoza 69, 00-681 Warsaw, Poland;
Department of Physics and Astronomy, University of Tennessee Knoxville, TN 37996,USA;
Physics Division, Oak Ridge National Laboratory P.O. Box 2008, Oak Ridge, TN 37831, USA
Joint Institute for Heavy Ion Research, Oak Ridge, TN 37831, USA
jacek.dobaczewski@fuw.edu.pl
WITOLD NAZAREWICZ
Department of Physics and Astronomy, University of Tennessee Knoxville, TN 37996,USA;
Physics Division, Oak Ridge National Laboratory P.O. Box 2008, Oak Ridge, TN 37831, USA;
Institute of Theoretical Physics, Warsaw University ul. Hoza 69, 00-681 Warsaw, Poland
witek@utk.edu

Abstract
Self-consistent Skyrme-Hartree-Fock (SHF) calculations of static fission barriers are presented for even-even Fermium isotopes as well as for superheavy even-even $N$=184 isotones. In the particle-hole channel, we use the SLy4 Skyrme parametrization, while in the particle-particle channel we take a $T$=1 seniority pairing force treated in the BCS approximation. The influence of reflection-asymmetric and triaxial degrees of freedom on the static fission paths are investigated.




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Jacek Dobaczewski 2005-01-23