EPJ Web of Conferences
Volume 66, 2014INPC 2013 – International Nuclear Physics Conference
|Number of page(s)||8|
|Published online||20 March 2014|
Exploring the stability of super heavy elements: First Measurement of the Fission Barrier of 254No
1 CSNS, IN2P3/CNRS and Université Paris Sud, France
2 Argonne National Laboratory, USA
3 Japan Atomic Energy Agency, Japan
4 GANIL, CEA and IN2P3/CNRS and Normandie Université, France
5 University of Maryland, USA
6 Univeristy of Massachusetts Lowell, USA
7 IPHC, IN2P3/CNRS and Université Louis Pasteur, France
8 Unviersity of Jyväskylä, Finland
9 Chalmers Tekniska Hogskola, Sweden
10 Flerov Laboratory of Nuclear Reactions, JINR, Russia
11 Universität zu Köln, Germany
12 IPN Orsay, IN2P3/CNRS and Université Paris Sud, France
a Current address: IPHC and Université Louis Pasteur, Strasbourg
b e-mail: firstname.lastname@example.org
c Current address: GANIL
Published online: 20 March 2014
The gamma-ray multiplicity and total energy emitted by the heavy nucleus 254No have been measured at 2 different beam energies. From these measurements, the initial distributions of spin I and excitation energy E∗ of 254No were constructed. The distributions display a saturation in excitation energy, which allows a direct determination of the fission barrier. 254No is the heaviest shell-stabilized nucleus with a measured fission barrier.
© Owned by the authors, published by EDP Sciences, 2014
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