Programs in Physics & Physical Chemistry
|[Licence| Download | New Version Template] abmc_v1_0.gz(6 Kbytes)|
|Manuscript Title: Energy level calculations with Arovmi model.|
|Authors: S.M. Abecasis, F.R. Femenia|
|Program title: AROVMI|
|Catalogue identifier: ABMC_v1_0|
Distribution format: gz
|Journal reference: Comput. Phys. Commun. 4(1972)262|
|Programming language: Fortran.|
|Computer: IBM 360/50.|
|Operating system: OS/360.|
|RAM: 28K words|
|Word size: 2|
|Keywords: Nuclear physics, Energy level, Energy ratio, Arovmi model, Davydov-filippov model, Bessel interpolation, Newton-raphson method, Double linear Interpolation, Root mean square Overall deviation, Theoretical methods.|
Nature of problem:
This program provides the theoretical values for the energy levels and ratios calculated with the AROVMI model in terms of the parameters gamma and rho.
A combination of graphical and numerical procedures is used to find the actual values of the model parameters. The Bessel formula is applied to interpolate energy levels predicted by the Davydov-Filippov model. The Newton-Raphson method is employed to find the root of a cubic equation.
This program can be used for nuclei having combinations of experimental energy ratios R(14) and R(22) which fall within the bounds depicted in fig. 1a and b in the long write-up. Computations are performed with the energy levels of the ground-state rotational band from I=2 up to 20 (by steps of 2) and those of the anomalous (gamma) band for I=2 up to 10 (by steps of 1).
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