Lifetimes of the metastable D32,522 states in Ca+, Sr+, and Ba+

B. K. Sahoo, Md. R. Islam, B. P. Das, R. K. Chaudhuri, and D. Mukherjee
Phys. Rev. A 74, 062504 – Published 6 December 2006

Abstract

Atomic properties involving the low-lying excited D32,522 states in alkaline-earth-metal ions are of current interest in many different applications ranging from tests of physics beyond the standard model to astrophysics. We have used the relativistic coupled-cluster theory to perform accurate calculations of the lifetimes of the lowest excited D322 and D522 states in singly ionized calcium, strontium, and barium. The importance of electron correlation in these calculations is emphasized. Our results are compared with the available experimental and theoretical data.

  • Figure
  • Received 15 September 2006

DOI:https://doi.org/10.1103/PhysRevA.74.062504

©2006 American Physical Society

Authors & Affiliations

B. K. Sahoo* and Md. R. Islam

  • Max Planck Institute for the Physics of Complex Systems, D-01187 Dresden, Germany

B. P. Das and R. K. Chaudhuri

  • Non-Accelerator Particle Physics Group, Indian Institute of Astrophysics, Bangalore-560 034, India

D. Mukherjee

  • Department of Physical Chemistry, Indian Association for the Cultivation of Sciences, Kolkata-700 032, India

  • *Email address: bijaya@mpipks-dresden.mpg.de

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Issue

Vol. 74, Iss. 6 — December 2006

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