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Science and Technology of Nuclear Installations
Volume 2012, Article ID 915496, 9 pages
http://dx.doi.org/10.1155/2012/915496
Research Article

Nuclear Level Density Parameters of and Deformed Target Isotopes Used on Accelerator-Driven Systems in Collective Excitation Modes

1Department of Physics, Faculty of Sciences, Gazi University, 06500 Ankara, Turkey
2Department of Physics, Faculty of Science and Arts, Bozok University, 66200 Yozgat, Turkey
3Institute of Science, Gazi University, Milas No 15 Street, Teknikokullar, 06500 Ankara, Turkey

Received 27 December 2011; Accepted 17 February 2012

Academic Editor: Alberto Talamo

Copyright © 2012 Şeref Okuducu et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

The nuclear level density parameters of some deformed isotopes of target nuclei (Pb, Bi) used on the accelerator-driven subcritical systems (ADSs) have been calculated taking into consideration different collective excitation modes of observed nuclear spectra near the neutron binding energy. The method used in the present work assumes equidistant spacing of the collective coupled state bands of the considered isotopes. The present calculated results for different collective excitation bands have been compared with the compiled values from the literature for s-wave neutron resonance data, and good agreement was found.