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Study of the fission probability as function of energy of(0.5MeV-2MeV) on various fissing nucleus | ||
| Journal of University of Anbar for Pure Science | ||
| Article 23, Volume 1, Issue 3, 2007, Pages 99-106 PDF (522.46 K) | ||
| Document Type: Research Paper | ||
| DOI: 10.37652/juaps.2007.15624 | ||
| Author | ||
| Hadi Dawyich Zirzur* | ||
| Technical Institute / Kut | ||
| Abstract | ||
| The aim of this study is to know the behavior of fission probability as function of neutrons energy of various fission nucleuses (231Th, 233Th, 235U, 237U, 239U, 241Pu, 243Pu) at the same energy range of descending neutrons (0.5 MeV to 2 MeV). The fission probability is considered as a principal effective factor in measuring the fission cross section of fissing materials. In this work we found that, the fissing materials at the energy range of descending neutrons decreased as a result of increasing neutron energy. In this study, I conclude the empirical relations by the fitting method in which the probability fission value can be estimated as a function for neutrons energy (0.5MeV-2MeV) and for various fission nucleuses, for instant the empirical formula for thorium atom ( 231 ) Th as below : 0.1707 0.6688E (MeV ) nf P = e- n | ||
| References | ||
|
[1] M. petit, M. Aiche, Determination of The neutron cross _ section for 233pa from 0.5 MeV to 10 MeV, CEN Bodeaux, Bp 120, 33175 France (from internet 2002)
[2] J.D Cramen and H.C. Britt, neutron fission cross_ section for 231Th- 232Th- 235U and 243Pu from 0.5 MeV to 2.25 MeV using (t,pf) Reactions, Nuclear Science and Engineering 41 (1970) 177-187.
[3] Harald enge, ''Introduction to nuclear physics" Addison- Wesley publishing company, (1983).
[4] J.csikai "hand book of fast neutron generators" volume 2, Inc., florida, (1987).
[5] C.L.Dunford and P.F.Rose "neutron cross section" volume 2, (1988). | ||
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