R-matrix calculations of photoionization cross section of Ne-like tungsten-Reference-Cited by-同舟云学术

R-matrix calculations of photoionization cross section of Ne-like tungsten

Published:2015-11 Issue:11 Volume:93 Page:1221-1226
ISSN:0008-4204
Container-title:Canadian Journal of Physics
language:en
Short-container-title:Can. J. Phys.

Author:

Khatri Indu¹,Goyal Arun¹,Aggarwal Sunny¹²,Singh A.K.³,Mohan Man¹

Affiliation:

1. Department of Physics and Astrophysics, University of Delhi, New Delhi, Delhi 110007, India.

2. Department of Physics, Shyam Lal College, University of Delhi, New Delhi, Delhi 110032, India.

3. Department of Physics, Deen Dayal Upadhyaya College, University of Delhi, New Delhi, Delhi 110015, India.

Abstract

The photoionization cross section calculation for the ground state 1s22s22p6 1S (J = 0) of Ne-like W64+ has been performed in the close-coupling approximation using the Dirac–Coulomb R-matrix method. The resonance structures are analysed and described by finding the resonance energy positions of prominent Rydberg series 2s2p6(2S)np 1P0 for W LXV ion. To calculate fine structure energy levels, multi-configuration Dirac–Fock and relativistic distorted-wave methods have been employed. Wherever possible we have compared our work with the available data. The present results will be useful for diagnostics and modeling of plasma in ITER and other fusion devices.

Publisher

Canadian Science Publishing

Subject

General Physics and Astronomy

Link

http://www.nrcresearchpress.com/doi/pdf/10.1139/cjp-2015-0093

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