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Journal of Applied Sciences

Year: 2011 | Volume: 11 | Issue: 15 | Page No.: 2686-2699
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Authors

Safeia Hamasha

Mahmoud Abu-Allaban

Amani Tahat

Keywords

Research Article

Developing a New Atomic Physics Computer Program (HTAC) to Perform Atomic Structure and Transition Rate Calculations in Three Advanced Methods

Safeia Hamasha, Mahmoud Abu-Allaban and Amani Tahat
In this study, a new atomic physics program (HTAC) is introduced and tested. It is a utility program designed to automate the computation of various atomic structure and spectral data. It is the first comprehensive code that enables performing atomic calculations based on three advanced theories: the fully relativistic configuration interactions approach, the multi-reference many body perturbation theory and the R-Matrix method. It has been designed to generate tabulated atomic data files that can be interfaced with other programs in a simple and straightforward manner. It works for all known elements in the periodic table and their ions. Generated atomic structure data includes energy levels, oscillator strength, radiative transition rates, mixing coefficients for any rank of multipole transitions and other quantities. It provides a user friendly interface that works under windows in the dialog mode. Its Graphical User Interface (GUI) clarifies analysis steps and handles file manipulations required by the used model. In addition, the GUI provides viewing and plotting capabilities of the generated atomic data. Furthermore it will be distributed freely.
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