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Development of a simple algorithm for pre-fragment formation in proton-nucleus spallation reactions

HNPS Advances in Nuclear Physics vol. 29 (HNPS2022)
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Published: May 5, 2023
DOI: https://doi.org/10.12681/hnpsanp.5084
Keywords:
Spallation reactions Intranuclear cascade model Monte-Carlo Simulation Isotope production
Nikolaos George Nicolis
Department of Physics, The University of Ioannina
Athanasios Chatzikotelis
Abstract

A Monte-Carlo algorithm is developed and coded in FORTRAN to calculate the energy, mass and charge distribution of the pre-fragments produced in proton induced spallation. The algorithm is based on Glauber’s theory together with a reasonable assumption on the type of the promptly emitted nucleons. For the evaporation stage, correlated values of pre-fragment mass, charge and excitation energy were fed into a properly modified version of the code MCEF (Monte-Carlo Evaporation-Fission) written in Java. A good agreement is obtained with the experimental mass and charge distributions of residues observed in 56Fe+p spallation reactions at 300, 500 and 750 MeV/A

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Author Biography
Nikolaos George Nicolis, Department of Physics, The University of Ioannina

Associate Professor

Department of Physics
The University of Ioannina

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