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Product yields for the photofission of 232Th, 234,238U, 237Np, and 239,240,242Pu actinides at various incident photon energies

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Abstract

Photofission fragments mass yield for \(^{232}\hbox {Th}\), \(^{234,238}\hbox {U}\), \(^{237}\hbox {Np}\), and \(^{239,240,242}\hbox {Pu}\) isotopes are investigated. The calculations are done using a developed approach based on Gorodisskiy’s phenomenological formalism. The Gorodisskiy’s method is developed to be applied for the neutron-induced fission. Here we revised it for application to photofission. The effect of emitted neutron prior to fission on the fission fragment mass yields has also been studied. The peak-to-valley ratio is extracted for the \(^{240}\hbox {Pu}\) isotope as a function of energy. Obtained results of the present formalism are compared with the available experimental data. Satisfactory agreement is achieved between the results of present approach and the experimental data.

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  1. Department of Physics, Faculty of Basic Science, University of Mazandaran, P.O. Box 47415-416, Babolsar, Iran

    M. R. Pahlavani & P. Mehdipour

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Pahlavani, M.R., Mehdipour, P. Product yields for the photofission of 232Th, 234,238U, 237Np, and 239,240,242Pu actinides at various incident photon energies. NUCL SCI TECH 29, 146 (2018). https://doi.org/10.1007/s41365-018-0482-1

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