Open Access
ND 2007
Article Number 299
Number of page(s) 3
Section Intermediate and high energy models
Published online 17 June 2008
International Conference on Nuclear Data for Science and Technology 2007
DOI: 10.1051/ndata:07117

Comparison of fission induced by nucleons and pions

Zafar Yasin1, 2, R.J. Peterson3, M. Ikram Shahzad4 and H.A. Khan5

1  Department of Nuclear Engineering, PIEAS, P.O. Nilore, Islamabad, Pakistan
2  Max-Lab, Lund University, Lund 21 00, Sweden
3  Department of Physics, University of Colorado, Boulder, CO 80309-0390, USA
4  Physics Research Division, PINSTECH, P.O. Nilore, Islamabad, Pakistan
5  COMSATS, Shahrah-e-Jamhuriyyat, G-5/2, Islamabad, Pakistan

Published online: 21 May 2008

The goal of the present work is to compare properties of fission induced by nucleons and pions. Three different methodologies are used to make this comparison. Firstly, it is shown that pion-induced fission cross sections are not much different in magnitude from proton induced fission cross sections at the same kinetic energy. Secondly, across the pion-nucleon (3,3) resonance so prominent with free nucleons, it is observed that there is no significant change in the reaction mechanism in the case of pions. Thirdly, it is noted that an empirical expression used for evaluations of proton induced fission cross sections is also valid for positive pion-induced fission cross sections, at least for actinide nuclei.

© CEA 2008

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