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Issue A&A
Volume 401, Number 1, April I 2003
Page(s) 377 - 383
Section Celestial mechanics and astrometry
DOI http://dx.doi.org/10.1051/0004-6361:20030117



A&A 401, 377-383 (2003)
DOI: 10.1051/0004-6361:20030117

Oscillator strengths for transitions in C-like ions between K XIV and Mn XX

K. M. Aggarwal1, F. P. Keenan1 and A. Z. Msezane2

1  Department of Pure and Applied Physics, The Queen's University of Belfast, Belfast BT7 1NN, Northern Ireland, UK
2  Center for Theoretical Studies of Physical Systems, Clark Atlanta University, Atlanta, Ga 30314, USA

(Received 5 December 2002 / Accepted 21 January 2003)

Abstract
Energy levels and oscillator strengths (transition probabilities) have been calculated for transitions among 46 fine-structure levels of the (1s 2) 2s 22p 2, 2s2p 3, 2p 4, 2s 22p3s, 2s 22p3p and 2s 22p3d configurations of C-like K XIV, Sc XVI, Ti XVII, V XVIII, Cr XIX and Mn XX using the GRASP code. Configuration interaction and relativistic effects have been included while generating the wavefunctions. Calculated values of energy levels agree within 3% with the experimentally compiled results, and the length and velocity forms of oscillator strengths agree within 20% for a majority of allowed transitions.


Key words: atomic data -- atomic processes

Offprint request: K. M. Aggarwal, K.Aggarwal@qub.ac.uk




© ESO 2003

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