Abstract

The spectrum of V v has been observed by using a vacuum sliding spark at 1000-A peak current. Fifty-nine lines in the region 480–8500 Å have been observed and interpreted as transitions among 29 levels, 19 of which are new. The ionization energy is determined as 526 524 ± 5 cm−1. An isoelectronic comparison confirms the inversion of the 3p64f2F5/2, 7/2∘ levels as being caused by their interaction with those of the 2F∘ term in the 3p53d2 configuration.

© 1974 Optical Society of America

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References

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  1. R. C. Gibbs and H. E. White, Phys. Rev. 33, 157 (1929).
    [CrossRef]
  2. L. Iglesias, J. Res. Nat. Bur. Stand. U. S. 72A, 295 (1968).
    [CrossRef]
  3. A. H. Gabriel, B. C. Fawcett, and C. Jordan, Proc. Phys. Soc. Lond. 87, 825 (1966).
    [CrossRef]
  4. C. H. H. Van Deurzen and J. G. Conway, Appl. Spectrosc. 28(1974).
    [CrossRef]
  5. C. H. H. Van Deurzen, Ph.D. thesis, Lawrence Berkeley Laboratory Report No. LBL-1657 (1973).
  6. C. E. Moore, Atomic Energy Levels, I, Natl. Bur. Stand. (U. S.) Circ. 467 (U. S. Government Printing Office, Washington, D. C., 1949).
  7. B. Edlén and P. Risberg, Ark. Fys. 10, 553 (1956).
  8. C. H. H. Van Deurzen, J. G. Conway, and S. P. Davis, J. Opt. Soc. Am. 63, 158 (1973).
    [CrossRef]
  9. The Ti iv analysis was kindly supplied by B. Edlén (1972).
  10. R. D. Cowan, Astrophys. J. 147, 377 (1967).
    [CrossRef]
  11. E. Alexander, U. Feldman, and B. S. Fraenkel, J. Opt. Soc. Am. 55, 650 (1965).
    [CrossRef]

1974 (1)

C. H. H. Van Deurzen and J. G. Conway, Appl. Spectrosc. 28(1974).
[CrossRef]

1973 (1)

1968 (1)

L. Iglesias, J. Res. Nat. Bur. Stand. U. S. 72A, 295 (1968).
[CrossRef]

1967 (1)

R. D. Cowan, Astrophys. J. 147, 377 (1967).
[CrossRef]

1966 (1)

A. H. Gabriel, B. C. Fawcett, and C. Jordan, Proc. Phys. Soc. Lond. 87, 825 (1966).
[CrossRef]

1965 (1)

1956 (1)

B. Edlén and P. Risberg, Ark. Fys. 10, 553 (1956).

1929 (1)

R. C. Gibbs and H. E. White, Phys. Rev. 33, 157 (1929).
[CrossRef]

Alexander, E.

Conway, J. G.

Cowan, R. D.

R. D. Cowan, Astrophys. J. 147, 377 (1967).
[CrossRef]

Davis, S. P.

Edlén, B.

B. Edlén and P. Risberg, Ark. Fys. 10, 553 (1956).

The Ti iv analysis was kindly supplied by B. Edlén (1972).

Fawcett, B. C.

A. H. Gabriel, B. C. Fawcett, and C. Jordan, Proc. Phys. Soc. Lond. 87, 825 (1966).
[CrossRef]

Feldman, U.

Fraenkel, B. S.

Gabriel, A. H.

A. H. Gabriel, B. C. Fawcett, and C. Jordan, Proc. Phys. Soc. Lond. 87, 825 (1966).
[CrossRef]

Gibbs, R. C.

R. C. Gibbs and H. E. White, Phys. Rev. 33, 157 (1929).
[CrossRef]

Iglesias, L.

L. Iglesias, J. Res. Nat. Bur. Stand. U. S. 72A, 295 (1968).
[CrossRef]

Jordan, C.

A. H. Gabriel, B. C. Fawcett, and C. Jordan, Proc. Phys. Soc. Lond. 87, 825 (1966).
[CrossRef]

Moore, C. E.

C. E. Moore, Atomic Energy Levels, I, Natl. Bur. Stand. (U. S.) Circ. 467 (U. S. Government Printing Office, Washington, D. C., 1949).

Risberg, P.

B. Edlén and P. Risberg, Ark. Fys. 10, 553 (1956).

Van Deurzen, C. H. H.

C. H. H. Van Deurzen and J. G. Conway, Appl. Spectrosc. 28(1974).
[CrossRef]

C. H. H. Van Deurzen, J. G. Conway, and S. P. Davis, J. Opt. Soc. Am. 63, 158 (1973).
[CrossRef]

C. H. H. Van Deurzen, Ph.D. thesis, Lawrence Berkeley Laboratory Report No. LBL-1657 (1973).

White, H. E.

R. C. Gibbs and H. E. White, Phys. Rev. 33, 157 (1929).
[CrossRef]

Appl. Spectrosc. (1)

C. H. H. Van Deurzen and J. G. Conway, Appl. Spectrosc. 28(1974).
[CrossRef]

Ark. Fys. (1)

B. Edlén and P. Risberg, Ark. Fys. 10, 553 (1956).

Astrophys. J. (1)

R. D. Cowan, Astrophys. J. 147, 377 (1967).
[CrossRef]

J. Opt. Soc. Am. (2)

J. Res. Nat. Bur. Stand. U. S. (1)

L. Iglesias, J. Res. Nat. Bur. Stand. U. S. 72A, 295 (1968).
[CrossRef]

Phys. Rev. (1)

R. C. Gibbs and H. E. White, Phys. Rev. 33, 157 (1929).
[CrossRef]

Proc. Phys. Soc. Lond. (1)

A. H. Gabriel, B. C. Fawcett, and C. Jordan, Proc. Phys. Soc. Lond. 87, 825 (1966).
[CrossRef]

Other (3)

C. H. H. Van Deurzen, Ph.D. thesis, Lawrence Berkeley Laboratory Report No. LBL-1657 (1973).

C. E. Moore, Atomic Energy Levels, I, Natl. Bur. Stand. (U. S.) Circ. 467 (U. S. Government Printing Office, Washington, D. C., 1949).

The Ti iv analysis was kindly supplied by B. Edlén (1972).

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Figures (3)

Fig. 1
Fig. 1

Energy-level diagram of V v. The figures give the approximate wavelength of the leading line in each multiplet. Dotted lines are predicted levels.

Fig. 2
Fig. 2

Selected levels of atoms in the K i isoelectronic sequence.

Fig. 3
Fig. 3

Perturbing interactions and fine-structure intervals of atoms in the K i isoelectronic sequence.

Tables (4)

Tables Icon

Table I Classified lines of V v. In the intensity column, the symbols h means hazy, b means blend, and w means wide.

Tables Icon

Table II Unclassified lines of V v.

Tables Icon

Table III Energy levels of V v. Level values in parentheses indicate predicted but not-observed levels.

Tables Icon

Table IV Ionization energies and in the quantum-defect-formula constants.

Equations (1)

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δ n n - n * = i = 0 a i t n i , t n T n R = ( Z c n * ) 2 ,