Recent Publications:

Large Scale Atomic Structure Calculations

1. Jinhua Xi and C. Froese Fischer Photodetachment cross-section of He- (1s2s2p 4Po) in the region of the 1s detachment threshold Phys. Rev. A. 1998 (accepted).

2. C. Froese Fischer and R.H. Rubin, Transition rates for some forbidden lines in Fe IV J. Phys. B: 31, 1657 (1998)

3. P. Jonsson, F.A. Parpia, C. Froese Fischer, A program for Relativistic Hyperfine Structure Calculations Comput. Phys. Commun. 94, 249 (1997)

4. P. Jonsson, A. Ynnerman, C. Froese Fischer, M.R. Godefroid, J. Olsen, Large-scale MCHF and CI calculations of the transition probability and hyperfine structures in the sodium resonance transition Phys. Rev. A, 53, 4021 (1996)

5. J. Xi and C. Froese Fischer, Cross section and angular distribution for the photodetachment of He- (1s2s2p 4P) below the He (n=4) threshold (submitted to Phys. Rev. A)

6. J. Bieron, P. Jonsson, and C. Froese Fischer, Large-scale multi-configuration Dirac-Fock calculations of hyperfine structure constants of the 2s 2S_{1/2}, 2p 2P_{1/2}, and 2p 2P_{3/2} states of lithium. (submitted to Phys. Rev. A)

7. C. Froese Fischer and G. Gaigalas, The electron affinity of 2s2p(2) 4P of Boron , J. Phys. B: (accepted)

8. P. Jonsson, C. Froese Fischer, and J. Bieron, Multiconfiguration Hartree-Fock calculations of low-lying excited 2S states in Lithium, Phys. Rev. A, 52 4262-65 (1995)

9. J. Fleming, T. Brage, K.L. Bell, N. Vaeck, A. Hibbert, M.R. Godefroid, C. Froese Fischer, Systematic Studies of N IV transitions of astrophysical inportance , Astrophys. J. (in press).

10. T. Brage, D.S. Leckrone, and C. Froese Fischer, Core-valence and Core-core correlation effects on hyperfine structure parameters and oscillator strengths in in Tl II and Tl III , Phys. Rev. A (in press).

11. T. Brage, C. Froese Fischer, and P. Judge, Transition probabilities for the UV0.01 Multiplet in N III Astrophys. J. 445 457 (1995).

12. J. Carlsson, P. Jonsson, M. Godefroid and C. Froese Fischer, Accurate multiconfiguration Hartree-Fock calculations of isotope shifts in C~IV and C~I. J. Phys. B 28 3729 (1995).

13. M. Godefroid, J. Olsen, P. Jonsson, C. Froese Fischer, Accurate MCHF calculations of oscillator strengths in light atoms: The B II line at 1362 A , Ap. J. 450 , 473-476 (1995).

14. C. Froese Fischer, A. Ynnerman, G. Gaigalas, MCHF calculations for the Electron Affinity of Boron , Phys. Rev. A 51 4611-16 (1995)

15. J. Bieron, C. Froese Fischer, and A. Ynnerman, Note on MCDF correlation calculation for high-Z ions, J. Phys. B: 27 4829-32 (1995)

16. J. Bieron, F.A. Parpia, C. Froese Fischer, and P. Jonsson, Large-scale multi-configuration Dirac-Fock calculations of hyperfine interaction constants for the nd(2) levels of Sc II and Y II, Phys. Rev. A 51 4603-4610 (1995).

17. A. Aboussaid, M.R. Godefroid, P. Jonsson, and C. Froese Fischer, MCHF calculations of hyperfine-induced transitions in helium-like ions, Phys. Rev. A 51, 2031-2039 (1994) .

18. A. Ynnerman and C. Froese Fischer, MCDF calculation of the 2s(2) 1S_0 - 2s2p 3P_1 spin-forbidden transition for the Be-like iso-electronic sequence, Phys. Rev. A 51, 2020-2030 (1995).

19. C. Froese Fischer, J.E. Hansen, and H.W. van der Hart, Ab initio studies of the 4s4p4p 4P state in Ca- , Phys. Rev. A, 51, 1999-2004 (1995).

20. C. Froese Fischer, Lifetime of 2s2p(2)3s 3P in N II and other allowed transitions, Z. Phys. D 32, 21-25 (1994)

21. C. Froese Fischer and P. Jonsson, MCHF Calculations for Atomic Properties , Computer Phys. Commun. 84, 37-58 (1994).

22. J. Carlsson, P. Jonsson, L. Sturesson, and C. Froese Fischer, Lifetimes and transition probabilities of the boron atom calculated with the active-space multiconfiguration Hartree-Fock method, Phys. Rev. A 49, 3426-3431 (1994).

23. P. Jonsson, S.G. Johansson, and C. Froese Fischer, Accurate Calculation of the isotope shift and hyperfine structure in the boron (B II) line at 1362 A, Astrophysics J. 429 , L45-L48 (1994).

24. M. Tong, C. Froese Fischer, and L. Sturreson, Systematic Transition Probability Studies for Neutral Nitrogen, J. Phys. B: 27 4819-4828 (1994).

25. C. Froese Fischer, Convergence studies of MCHF calculations for Be and Li-, J. Phys. B: 26, 855-862 (1993).