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Nuclear Level Density Parameter
Nerlo-Pomorska B., Pomorski K., Bartel J., Dobrowolski A.
Dans Acta Physica Polonica B - XXX Mazurian Lakes Conference on Physics, Piaski : Pologne (2007) - http://hal.in2p3.fr/in2p3-00263612
Physique/Physique Nucléaire Théorique
Nuclear Level Density Parameter
B. Nerlo-Pomorska, K. Pomorski, J. Bartel1, A. Dobrowolski
1 :  DRS-IPHC - Département Recherches Subatomiques
CNRS : UMR7178 – IN2P3 – Université Louis Pasteur - Strasbourg I
23 rue du Loess - BP28 67037 Strasbourg cedex 2
France
The nuclear level-density parameters obtained in the Yukawa folded potential approach are presented. The particle-number averaging ({N} averaging) Strutinsky shell-correction method is used to extract the shell-correction energy and its change with temperature and the macroscopic nuclear energy for 130 spherical even-even nuclei. A liquid-drop type expression is proposed for the level-density parameter. The best agreement is achieved between our results and the phenomenological formula of von Egidy based on a back-shifted Fermi gas model.

Communications avec actes
2008
2007
Acta Physica Polonica B
internationale
39
417-420
Jagellonian University Cracow

XXX Mazurian Lakes Conference on Physics
Piaski
Pologne
02/09/2007
09/09/2007

21.10.Ma, 24.10.Jv, 24.10.Ra