Abstract

The spectrum of iodine was photographed in the 100–260 Å region on a variety of spectrographs with a triggered spark source. The energy-level structure of the 4d8, 4d7(5p+4f), and 4p54d9 configurations of I x was investigated. All nine levels of the 4d8 ground configuration and 130 of 328 levels of three odd configurations have been established. Three hundred lines were classified. Hartree–Fock and least-square-fitted parametric calculations were carried out to interpret the observed spectrum.

© 1997 Optical Society of America

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References

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  1. Th. A. M. van Kleef and Y. N. Joshi, “Analysis of 4d8–4d75p transitions in trebly ionized silver: Ag IV,” Can. J. Phys. 59, 1930–1939 (1981).
    [CrossRef]
  2. Th. A. M. van Kleef, Y. N. Joshi, and R. P. Srivastava, “Analysis of Cd V. Part I: 4d8–4d75p transitions,” Physica C 114, 117–125 (1982).
    [CrossRef]
  3. Y. N. Joshi and Th. A. M. van Kleef, “Sixth spectrum of indium,” J. Opt. Soc. Am. 72, 259–267 (1982).
    [CrossRef]
  4. G. J. van het Hof and Y. N. Joshi, “The analysis of the 4d8, 4d76s and 4d76p configurations of six times ionized tin (Sn VII),” Phys. Scr. 48, 714–725 (1993).
    [CrossRef]
  5. Th. A. M. van Kleef, M. M. Barakat, A. N. Ryabtsev, and Y. N. Joshi, “Eighth spectrum of antimony: Sb VIII and revised 4d9 2D interval in Sb VII,” J. Opt. Soc. Am. B 1, 795–805 (1984).
  6. Th. A. M. van Kleef, Y. N. Joshi, and M. M. Barakat, “Ninth spectrum of tellurium: Te IX,” J. Opt. Soc. Am. B 2, 1640–1649 (1985).
    [CrossRef]
  7. V. I. Azarov, Y. N. Joshi, S. S. Churilov, and A. N. Ryabtsev, “Analysis of the 4d7(6p+4f ) and 4p54d9 configurations of Sn VII, Sb VIII and Te IX,” Phys. Scr. 50, 642–653 (1994).
    [CrossRef]
  8. Y. N. Joshi and Th. A. M. van Kleef, “Ninth spectrum of iodine: I IX,” J. Opt. Soc. Am. 70, 1344–1349 (1980).
    [CrossRef]
  9. V. I. Azarov, “A system for the automatic processing of spectrograms,” Institute of Spectroscopy Academy of Sciences (Troitsk) preprint (1991).
  10. L. A. Svensson and J. O. Ekberg, “The titanium vacuum spectrum from 50–425 A,” Ark. Fys. 10, 145–163 (1969).
  11. R. L. Kelly and L. J. Palumbo, “Atomic and ionic emission lines below 2000 Å—hydrogen through krypton,” J. Phys. Chem. Ref. Data 16, 1 (1987).
  12. R. D. Cowan, The Theory of Atomic Structure and Spectra (U. California Press, Berkeley, California, 1981), and Cowan computer programs.
  13. V. I. Azarov, “Formal approach to the solution of complex spectra identification problem: 1,” Phys. Scr. 44, 528–538 (1991).
    [CrossRef]
  14. V. I. Azarov, “Formal approach to the solution of complex spectra identification problem: 2,” Phys. Scr. 48, 656–667 (1993).
    [CrossRef]
  15. S. Kucas and R. Karazija, “Coulomb exchange interaction between electrons in the atom and structure of complex configurations,” J. Phys. B 24, 2925–2936 (1991).
    [CrossRef]
  16. E. U. Condon and G. H. Shortley, The Theory of Atomic Spectra (Cambridge U. Press, Cambridge, UK, 1959).
  17. G. Racah, “The theory of complex spectra II,” Phys. Rev. 62, 458–479 (1942).
    [CrossRef]

1994 (1)

V. I. Azarov, Y. N. Joshi, S. S. Churilov, and A. N. Ryabtsev, “Analysis of the 4d7(6p+4f ) and 4p54d9 configurations of Sn VII, Sb VIII and Te IX,” Phys. Scr. 50, 642–653 (1994).
[CrossRef]

1993 (2)

G. J. van het Hof and Y. N. Joshi, “The analysis of the 4d8, 4d76s and 4d76p configurations of six times ionized tin (Sn VII),” Phys. Scr. 48, 714–725 (1993).
[CrossRef]

V. I. Azarov, “Formal approach to the solution of complex spectra identification problem: 2,” Phys. Scr. 48, 656–667 (1993).
[CrossRef]

1991 (2)

S. Kucas and R. Karazija, “Coulomb exchange interaction between electrons in the atom and structure of complex configurations,” J. Phys. B 24, 2925–2936 (1991).
[CrossRef]

V. I. Azarov, “Formal approach to the solution of complex spectra identification problem: 1,” Phys. Scr. 44, 528–538 (1991).
[CrossRef]

1987 (1)

R. L. Kelly and L. J. Palumbo, “Atomic and ionic emission lines below 2000 Å—hydrogen through krypton,” J. Phys. Chem. Ref. Data 16, 1 (1987).

1985 (1)

1984 (1)

Th. A. M. van Kleef, M. M. Barakat, A. N. Ryabtsev, and Y. N. Joshi, “Eighth spectrum of antimony: Sb VIII and revised 4d9 2D interval in Sb VII,” J. Opt. Soc. Am. B 1, 795–805 (1984).

1982 (2)

Th. A. M. van Kleef, Y. N. Joshi, and R. P. Srivastava, “Analysis of Cd V. Part I: 4d8–4d75p transitions,” Physica C 114, 117–125 (1982).
[CrossRef]

Y. N. Joshi and Th. A. M. van Kleef, “Sixth spectrum of indium,” J. Opt. Soc. Am. 72, 259–267 (1982).
[CrossRef]

1981 (1)

Th. A. M. van Kleef and Y. N. Joshi, “Analysis of 4d8–4d75p transitions in trebly ionized silver: Ag IV,” Can. J. Phys. 59, 1930–1939 (1981).
[CrossRef]

1980 (1)

1969 (1)

L. A. Svensson and J. O. Ekberg, “The titanium vacuum spectrum from 50–425 A,” Ark. Fys. 10, 145–163 (1969).

1942 (1)

G. Racah, “The theory of complex spectra II,” Phys. Rev. 62, 458–479 (1942).
[CrossRef]

Azarov, V. I.

V. I. Azarov, Y. N. Joshi, S. S. Churilov, and A. N. Ryabtsev, “Analysis of the 4d7(6p+4f ) and 4p54d9 configurations of Sn VII, Sb VIII and Te IX,” Phys. Scr. 50, 642–653 (1994).
[CrossRef]

V. I. Azarov, “Formal approach to the solution of complex spectra identification problem: 2,” Phys. Scr. 48, 656–667 (1993).
[CrossRef]

V. I. Azarov, “Formal approach to the solution of complex spectra identification problem: 1,” Phys. Scr. 44, 528–538 (1991).
[CrossRef]

Barakat, M. M.

Th. A. M. van Kleef, Y. N. Joshi, and M. M. Barakat, “Ninth spectrum of tellurium: Te IX,” J. Opt. Soc. Am. B 2, 1640–1649 (1985).
[CrossRef]

Th. A. M. van Kleef, M. M. Barakat, A. N. Ryabtsev, and Y. N. Joshi, “Eighth spectrum of antimony: Sb VIII and revised 4d9 2D interval in Sb VII,” J. Opt. Soc. Am. B 1, 795–805 (1984).

Churilov, S. S.

V. I. Azarov, Y. N. Joshi, S. S. Churilov, and A. N. Ryabtsev, “Analysis of the 4d7(6p+4f ) and 4p54d9 configurations of Sn VII, Sb VIII and Te IX,” Phys. Scr. 50, 642–653 (1994).
[CrossRef]

Ekberg, J. O.

L. A. Svensson and J. O. Ekberg, “The titanium vacuum spectrum from 50–425 A,” Ark. Fys. 10, 145–163 (1969).

Joshi, Y. N.

V. I. Azarov, Y. N. Joshi, S. S. Churilov, and A. N. Ryabtsev, “Analysis of the 4d7(6p+4f ) and 4p54d9 configurations of Sn VII, Sb VIII and Te IX,” Phys. Scr. 50, 642–653 (1994).
[CrossRef]

G. J. van het Hof and Y. N. Joshi, “The analysis of the 4d8, 4d76s and 4d76p configurations of six times ionized tin (Sn VII),” Phys. Scr. 48, 714–725 (1993).
[CrossRef]

Th. A. M. van Kleef, Y. N. Joshi, and M. M. Barakat, “Ninth spectrum of tellurium: Te IX,” J. Opt. Soc. Am. B 2, 1640–1649 (1985).
[CrossRef]

Th. A. M. van Kleef, M. M. Barakat, A. N. Ryabtsev, and Y. N. Joshi, “Eighth spectrum of antimony: Sb VIII and revised 4d9 2D interval in Sb VII,” J. Opt. Soc. Am. B 1, 795–805 (1984).

Th. A. M. van Kleef, Y. N. Joshi, and R. P. Srivastava, “Analysis of Cd V. Part I: 4d8–4d75p transitions,” Physica C 114, 117–125 (1982).
[CrossRef]

Y. N. Joshi and Th. A. M. van Kleef, “Sixth spectrum of indium,” J. Opt. Soc. Am. 72, 259–267 (1982).
[CrossRef]

Th. A. M. van Kleef and Y. N. Joshi, “Analysis of 4d8–4d75p transitions in trebly ionized silver: Ag IV,” Can. J. Phys. 59, 1930–1939 (1981).
[CrossRef]

Y. N. Joshi and Th. A. M. van Kleef, “Ninth spectrum of iodine: I IX,” J. Opt. Soc. Am. 70, 1344–1349 (1980).
[CrossRef]

Karazija, R.

S. Kucas and R. Karazija, “Coulomb exchange interaction between electrons in the atom and structure of complex configurations,” J. Phys. B 24, 2925–2936 (1991).
[CrossRef]

Kelly, R. L.

R. L. Kelly and L. J. Palumbo, “Atomic and ionic emission lines below 2000 Å—hydrogen through krypton,” J. Phys. Chem. Ref. Data 16, 1 (1987).

Kucas, S.

S. Kucas and R. Karazija, “Coulomb exchange interaction between electrons in the atom and structure of complex configurations,” J. Phys. B 24, 2925–2936 (1991).
[CrossRef]

Palumbo, L. J.

R. L. Kelly and L. J. Palumbo, “Atomic and ionic emission lines below 2000 Å—hydrogen through krypton,” J. Phys. Chem. Ref. Data 16, 1 (1987).

Racah, G.

G. Racah, “The theory of complex spectra II,” Phys. Rev. 62, 458–479 (1942).
[CrossRef]

Ryabtsev, A. N.

V. I. Azarov, Y. N. Joshi, S. S. Churilov, and A. N. Ryabtsev, “Analysis of the 4d7(6p+4f ) and 4p54d9 configurations of Sn VII, Sb VIII and Te IX,” Phys. Scr. 50, 642–653 (1994).
[CrossRef]

Th. A. M. van Kleef, M. M. Barakat, A. N. Ryabtsev, and Y. N. Joshi, “Eighth spectrum of antimony: Sb VIII and revised 4d9 2D interval in Sb VII,” J. Opt. Soc. Am. B 1, 795–805 (1984).

Srivastava, R. P.

Th. A. M. van Kleef, Y. N. Joshi, and R. P. Srivastava, “Analysis of Cd V. Part I: 4d8–4d75p transitions,” Physica C 114, 117–125 (1982).
[CrossRef]

Svensson, L. A.

L. A. Svensson and J. O. Ekberg, “The titanium vacuum spectrum from 50–425 A,” Ark. Fys. 10, 145–163 (1969).

van het Hof, G. J.

G. J. van het Hof and Y. N. Joshi, “The analysis of the 4d8, 4d76s and 4d76p configurations of six times ionized tin (Sn VII),” Phys. Scr. 48, 714–725 (1993).
[CrossRef]

van Kleef, Th. A. M.

Th. A. M. van Kleef, Y. N. Joshi, and M. M. Barakat, “Ninth spectrum of tellurium: Te IX,” J. Opt. Soc. Am. B 2, 1640–1649 (1985).
[CrossRef]

Th. A. M. van Kleef, M. M. Barakat, A. N. Ryabtsev, and Y. N. Joshi, “Eighth spectrum of antimony: Sb VIII and revised 4d9 2D interval in Sb VII,” J. Opt. Soc. Am. B 1, 795–805 (1984).

Y. N. Joshi and Th. A. M. van Kleef, “Sixth spectrum of indium,” J. Opt. Soc. Am. 72, 259–267 (1982).
[CrossRef]

Th. A. M. van Kleef, Y. N. Joshi, and R. P. Srivastava, “Analysis of Cd V. Part I: 4d8–4d75p transitions,” Physica C 114, 117–125 (1982).
[CrossRef]

Th. A. M. van Kleef and Y. N. Joshi, “Analysis of 4d8–4d75p transitions in trebly ionized silver: Ag IV,” Can. J. Phys. 59, 1930–1939 (1981).
[CrossRef]

Y. N. Joshi and Th. A. M. van Kleef, “Ninth spectrum of iodine: I IX,” J. Opt. Soc. Am. 70, 1344–1349 (1980).
[CrossRef]

Ark. Fys. (1)

L. A. Svensson and J. O. Ekberg, “The titanium vacuum spectrum from 50–425 A,” Ark. Fys. 10, 145–163 (1969).

Can. J. Phys. (1)

Th. A. M. van Kleef and Y. N. Joshi, “Analysis of 4d8–4d75p transitions in trebly ionized silver: Ag IV,” Can. J. Phys. 59, 1930–1939 (1981).
[CrossRef]

J. Opt. Soc. Am. (2)

J. Opt. Soc. Am. B (2)

Th. A. M. van Kleef, M. M. Barakat, A. N. Ryabtsev, and Y. N. Joshi, “Eighth spectrum of antimony: Sb VIII and revised 4d9 2D interval in Sb VII,” J. Opt. Soc. Am. B 1, 795–805 (1984).

Th. A. M. van Kleef, Y. N. Joshi, and M. M. Barakat, “Ninth spectrum of tellurium: Te IX,” J. Opt. Soc. Am. B 2, 1640–1649 (1985).
[CrossRef]

J. Phys. B (1)

S. Kucas and R. Karazija, “Coulomb exchange interaction between electrons in the atom and structure of complex configurations,” J. Phys. B 24, 2925–2936 (1991).
[CrossRef]

J. Phys. Chem. Ref. Data (1)

R. L. Kelly and L. J. Palumbo, “Atomic and ionic emission lines below 2000 Å—hydrogen through krypton,” J. Phys. Chem. Ref. Data 16, 1 (1987).

Phys. Rev. (1)

G. Racah, “The theory of complex spectra II,” Phys. Rev. 62, 458–479 (1942).
[CrossRef]

Phys. Scr. (4)

V. I. Azarov, “Formal approach to the solution of complex spectra identification problem: 1,” Phys. Scr. 44, 528–538 (1991).
[CrossRef]

V. I. Azarov, “Formal approach to the solution of complex spectra identification problem: 2,” Phys. Scr. 48, 656–667 (1993).
[CrossRef]

V. I. Azarov, Y. N. Joshi, S. S. Churilov, and A. N. Ryabtsev, “Analysis of the 4d7(6p+4f ) and 4p54d9 configurations of Sn VII, Sb VIII and Te IX,” Phys. Scr. 50, 642–653 (1994).
[CrossRef]

G. J. van het Hof and Y. N. Joshi, “The analysis of the 4d8, 4d76s and 4d76p configurations of six times ionized tin (Sn VII),” Phys. Scr. 48, 714–725 (1993).
[CrossRef]

Physica C (1)

Th. A. M. van Kleef, Y. N. Joshi, and R. P. Srivastava, “Analysis of Cd V. Part I: 4d8–4d75p transitions,” Physica C 114, 117–125 (1982).
[CrossRef]

Other (3)

V. I. Azarov, “A system for the automatic processing of spectrograms,” Institute of Spectroscopy Academy of Sciences (Troitsk) preprint (1991).

R. D. Cowan, The Theory of Atomic Structure and Spectra (U. California Press, Berkeley, California, 1981), and Cowan computer programs.

E. U. Condon and G. H. Shortley, The Theory of Atomic Spectra (Cambridge U. Press, Cambridge, UK, 1959).

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Tables (4)

Tables Icon

Table 1 Classified Lines of the 4d8(4d75p+4d74f+4p54d9) Transitions Array in I x

Tables Icon

Table 2 Experimental and Fitted Level Energies (cm-1) and Percentage Compositions of Levels of the 4d8 Configuration in I x

Tables Icon

Table 3 Experimental and Fitted Level Energies (cm-1) and the Percentage Compositions of Levels of the 4d75p, 4p54d9, and 4d74f Configurations of I x

Tables Icon

Table 4 Energy Parameters (cm-1) in I x

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