Multiconfiguration Dirac-Hartree-Fock calculations of transition rates and lifetimes of the eight lowest excited levels of radium

  • J. Bieroń
  • P. Indelicato
  • P. Jönsson
Article

Abstract.

The multiconfiguration Dirac-Hartree-Fock (MCDHF) model has been employed to calculate the transition rates between the nine lowest levels of radium. The dominant rates were then used to evaluate the radiative lifetimes. The decay of the metastable 7s7p3P0 state through 2-photon E1M1 and hyperfine induced channels is also studied.

Keywords

Radium Transition Rate European Physical Journal Special Topic Coulomb Gauge Virtual Orbital 

Preview

Unable to display preview. Download preview PDF.

Unable to display preview. Download preview PDF.

References

  1. J.A. Behr, A. Gorelov, D. Melconian, M. Trinczek, W.P. Alford, D. Ashery, P.G. Bricault, L. Courneyea, J.M. D'Auria, J. Deutsch, et al., Eur. Phys. J. A 25, 685 (2005) CrossRefADSGoogle Scholar
  2. J.S.M. Ginges, V.V. Flambaum, Phys. Rep. 397, 63 (2004) CrossRefADSGoogle Scholar
  3. K. Jungmann, Acta Phys. Pol. B 33, 2049 (2002) ADSGoogle Scholar
  4. URL www.kvi.nl/trimp/web/html/trimp.html Google Scholar
  5. N.D. Scielzo, J.R. Guest, E.C. Schulte, I. Ahmad, K. Bailey, D.L. Bowers, R.J. Holt, Z.T. Lu, T.P. O'connor, D.H. Potterveld, Phys. Rev. A 73, 010501(R) (2006) CrossRefADSGoogle Scholar
  6. URL www-mep.phy.anl.gov/atta/research/radiumedm.html Google Scholar
  7. J. Engel, Eur. Phys. J. A 25, 691 (2005) CrossRefADSGoogle Scholar
  8. C.E. Moore, Atomic Energy Levels, NSRDS-NBS No. 35 (Washington DC: US Govt. Printing Office, 1971) Google Scholar
  9. E. Rasmussen, Z. Phys. 87, 607 (1934) CrossRefADSMathSciNetGoogle Scholar
  10. H.N. Russell, Phys, Rev. 46, 989 (1934) CrossRefGoogle Scholar
  11. S.A. Ahmad, W. Klempt, R. Neugart, E.W. Otten, K. Wendt, C. Ekström, ISOLDE Collaboration, Phys. Lett. 133B, 47 (1983) Google Scholar
  12. K. Wendt S.A. Ahmad, W. Klempt, R. Neugart, E.W. Otten, H.H. Stroke, Z. Phys. D-Atoms, Mol. Clust. 4, 227 (1987) CrossRefGoogle Scholar
  13. E. Arnold, W. Borchers, M. Carre, H.T. Duong, P. Juncar, J. Lerme, S. Lberman, W. Neu, R. Neugart, E.W. Otten, et al., Phys. Rev. Lett. 59, 771 (1987) CrossRefADSGoogle Scholar
  14. S.A. Ahmad, W. Klempt, R. Neugart, E.W. Otten, P.G. Reinhard, G. Ulm, K. Wendt, The ISOLDE Collaboration, Nucl. Phys. A 483, 244 (1988) CrossRefADSGoogle Scholar
  15. W. Neu, R. Neugart, E.W. Otten, G. Passller, K. Wendt, B. Fricke, E. Arnold, H.J. Kluge, G. Ulm, The ISOLDE Collaboration, Z. Phys. D-Atoms, Mol. Clust. 11, 105 (1989) CrossRefGoogle Scholar
  16. R. Neugart, E.W. Otten, K. Wendt, S.A. Ahmad, S.N. Panigrahy, R.W. Dougherty, K.C. Mishra, T.P. Das, J. Andriessen, Hyp. Int. 59, 145 (1990) CrossRefGoogle Scholar
  17. V.A. Dzuba, V.V. Flambaum, O.P. Sushkov, Phys. Scr. 32, 507 (1985) CrossRefADSGoogle Scholar
  18. J.L. Heully, A.M. Mårtensson-Pendril, Phys. Scr. 31, 169 (1985) CrossRefADSGoogle Scholar
  19. S.N. Panigrahy, R.W. Dougherty, S. Ahmad, K.C. Mishra, T.P. Das, J. Andrissen, R. Neugart, E.W. Otten, K. Wendt, Phys. Rev. A 43, 2215 (1991) CrossRefADSGoogle Scholar
  20. J. Andrissen, H. Postma, A.M. van den Brink, Phys. Rev. A 45, 1389 (1992) CrossRefADSGoogle Scholar
  21. X. Yuan, S.N. Panigrahy, R.W. Dougherty, T.P. Das, J. Andrissen, Phys. Rev. A 52, 197 (1995) CrossRefADSGoogle Scholar
  22. X. Yuan, R.W. Dougherty, T.P. Das, J. Andrissen, Phys. Rev. A 52, 3563 (1995) CrossRefADSGoogle Scholar
  23. E. Eliav, U. Kaldor, Phys. Rev. A 53, 3050 (1996) CrossRefADSGoogle Scholar
  24. A. Landau, E. Eliav, U. Kaldor, J. Chem. Phys. 113, 9905 (2000) CrossRefADSGoogle Scholar
  25. J. Bieroń, C. Froese Fischer, S. Fritzsche, K. Pachycki, J. Phys. B: At Mol. Opt. Phys. 37, L305 (2004) Google Scholar
  26. J. Beiroń, J. Phys. B: At. Mol. Opt. Phys. 38, 2221 (2005) CrossRefADSGoogle Scholar
  27. J. Beiroń, P. Pyykkö, Phys. Rev. A 71, 032502 (2005) CrossRefADSGoogle Scholar
  28. V.A. Dzuba, J.S.M. Ginges, Phys. Rev. A 73, 032503 (2006) CrossRefADSGoogle Scholar
  29. P. Jönsson, X. He, C. Froese Fischer, Comput. Phys. Commun. (2007) (submitted) Google Scholar
  30. F.A. Parpia, C. Froese Fischer, I.P. Grant, Comput. Phys. Commun. 94, 249 (1996) CrossRefADSGoogle Scholar
  31. P. Hafner, W.H.E. Schwarz, J. Phys. B: At. Mol. Opt. Phys. 11, 2975 (1978) CrossRefADSGoogle Scholar
  32. J. Bruneau, J. Phys. B: At. Mol. Opt. Phys. 17, 3009 (1994) ADSGoogle Scholar
  33. I.P. Grant, Comput. Phys. Commun. 84, 59 (1994) CrossRefADSGoogle Scholar
  34. J. Bieronń, P. Jönsson, C. Froese Fischer, Phys. Rev. A 60, 3547 (1999) CrossRefADSGoogle Scholar
  35. J. Bieronń, P. Pyykkö, Phys. Rev. Lett. 87, 133003 (2001) CrossRefADSGoogle Scholar
  36. K.G. Dyall. I.P. Grant, C.T. Johnson, F.A. Parpia, E.P. Plummer, Comput. Phys. Commun. 55, 425 (1989) CrossRefADSGoogle Scholar
  37. C. Froese Fischer, T. Brage, P. Jönsson, Computational Atomic Structure. An MCHF Approach (Institute of Physics Publishing, London, 1997), p. 71 Google Scholar
  38. P.Å. Malmqvist, Int. J. Quantum Chem. 30, 479 (1986) CrossRefGoogle Scholar
  39. J. Oslen, M.R. Godefroid, P. Jönsson, P.Å. Malmqvist, C. Froese Fischer, Phys. Rev. E. 52, 4499 (1995) CrossRefADSGoogle Scholar
  40. I.M. Savikov, W.R. Johnson, Phys. Rev. A 66, 062507 (2002) CrossRefADSGoogle Scholar
  41. W.R. Johnson, K.T. Cheng, D.R. Plante, Phys. Rev. A 55, 2728 (1997) CrossRefADSGoogle Scholar
  42. S.G. Porsev, A. Derevianko, Phys. Rev. A 69, 042506 (2004) CrossRefADSGoogle Scholar
  43. P. Indelicato, F. Parente, R. Marrus, Phys. Rev. A 40, 3505 (1989) CrossRefADSGoogle Scholar
  44. P. Indelicato, J.P. Desclaux, Mcdfgme, a multiconfiguration dirac fock and general matrix elements program (release 2005), http://dirac.spectro.jussieu.fr/mcdf (2005) Google Scholar
  45. V.A. Dzuba, V.V. Flambaum, J.S.M. Ginges, Phys. Rev. A 61, 062509 (2000) CrossRefADSGoogle Scholar

Copyright information

© EDP Sciences/Società Italiana di Fisica/Springer-Verlag 2007

Authors and Affiliations

  • J. Bieroń
    • 1
  • P. Indelicato
    • 2
  • P. Jönsson
    • 3
  1. 1.Instytut Fizyki imienia Mariana Smoluchowskiego, Uniwersytet Jagielloński Reymonta 4KrakówPoland
  2. 2.Laboratoire Kastler Brossel, École Normale Supérieure, CNRS, Université P. et M. CurieParis Cedex 05France
  3. 3.Nature, Environment, Society, Malmö UniversityMalmöSweden

Personalised recommendations