Radiative lifetime and oscillator strength determination in Mg-like potassium (K VIII)

E. Biémont; P.-D. Dumont; H. P. Garnir; P. Palmeri; P. Quinet

doi:10.1140/epjd/e2002-00132-1

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2022 Impact factor 1.8

Atomic, Molecular, Optical and Plasma Physics

Eur. Phys. J. D 20, 199-204 (2002)
https://doi.org/10.1140/epjd/e2002-00132-1

Radiative lifetime and oscillator strength determination in Mg-like potassium (K VIII)

E. Biémont¹^,2, P.-D. Dumont¹, H. P. Garnir¹^a, P. Palmeri²^,3 and P. Quinet¹^,2

¹ Institut de Physique Nucléaire, Atomique et de Spectroscopie, Université de Liège, Sart Tilman B 15, 4000 Liège, Belgium
² Astrophysique et Spectroscopie, Université de Mons-Hainaut, 7000 Mons, Belgium
³ Laboratory for High Energy Astrophysics, NASA's Goddard Space Flight Center, Greenbelt MD 20771, USA

Corresponding author: ^a hpgarnir@ulg.ac.be

Received: 23 January 2002
Revised: 23 April 2002
Published online: 19 July 2002

Abstract

Theoretical transition probabilities have been obtained for 54 n=3 transitions depopulating the 3s3p ¹P^o, 3p² ³P, ¹D, ¹S, 3s3d ¹D, ³D and 3p3d ³P^o, ³D^o, ³F^o, ¹F^o, ¹ D^o, ¹P^o levels, including 14 transitions not yet observed. Some of these predictions have been compared with experimental lifetimes obtained by beam-foil spectroscopy for four n=3 levels of K⁷⁺. An excellent agreement is observed between theory and experiment for all the levels.