This repository contains the soft rotator nuclear structure code SHEMMAN. The code performs calculations of level energies and gamma-transition probabilities within the soft rotator model. Hamiltonian parameters can be fitted using experimental level energies.
shemman inputfile outputfile
Manual for the code can be found here: Programs OPTMAN and SHEMMAN version 8 (2004) link1
Theory is introduced briefly in the manual, more details can be found in papers:
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Porodzinskii, Yu. V., and E. Sh. Sukhovitskii. 1991. “Rotational-Vibrational States of Nonaxial Deformable Even-Even Nuclei.” Soviet Journal of Nuclear Physics 53 (1): 41–44.
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Porodzinskij, Yu. V., and E. Sh. Sukhovitskij. 1996. “Analysis of Neutron Scattering by Even-Even Nuclei with Allowance for Dynamical Octupole Deformations.” Phys. Atom. Nucl. 59 (2): 228–37.
This code is currently maintained by Dmitry Martyanov