Abstract

The beam-foil spectrum of nitrogen has been studied between 300 and 1250 Å at beam energies of 0.5–2 MeV. Some newly observed lines have been identified and the lifetimes of some excited levels of N ii, N iii, N iv, and N v have been measured.

© 1972 Optical Society of America

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References

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  1. K. B. S. Erikson, Arkiv Fysik 13, 303 (1958).
  2. L. J. Freeman, Proc. Roy. Soc. (London) A121, 318 (1928).
  3. C. E. Moore, Atomic Energy Levels, Vol, I, Natl. Bur. Std. (U. S.) Circ. 467 (U. S. Government Printing Office, Washington, D. C., 1949).
  4. R. Hallin, Arkiv Fysik 32, 201 (1966).
  5. R. Hallin, Arkiv Fysik 31, 511 (1966).
  6. D. J. Michels, S. G. Tilford, and J. W. Quinn, J. Opt. Soc. Am. 61, 625 (1971).
    [Crossref]
  7. L. Héroux, Phys. Rev. 153, 156 (1967).
    [Crossref]
  8. H. G. Berry, W. S. Bickel, S. Bashkin, J. Désesquelles, and R. M. Schectman, J. Opt. Soc. Am. 61, 947 (1971).
    [Crossref]
  9. W. Smith Hayden, J. Bromander, L. J. Curtis, and R. Buchta, Physica Scripta 2, 211 (1970).
    [Crossref]
  10. J. Désesquelles, Ann. Phys. (N. Y.) 6, 71 (1971).
  11. R. L. Kelly, Atomic Emission Lines below 2000 Å, (U. S. Government Printing Office, Washington, D. C., 1968).
  12. W. L. Wiese, M. W. Smith, and B. M. Glennon, Atomic Transition Probabilities, Vol. I, Natl. Bur. Std. (U. S.) NSRDS-NBS 4 (U. S. Government Printing Office, Washington, D. C., 1966).
  13. C. Nicolaïdes (private communication).
  14. O. Sinanoglũ, J. Chem. Phys. 33, 1212 (1960).
    [Crossref]
  15. O. Sinanoglũ, J. Chem. Phys. 36, 706 (1962); J. Chem. Phys. 36, 3198 (1962).
    [Crossref]

1971 (3)

1970 (1)

W. Smith Hayden, J. Bromander, L. J. Curtis, and R. Buchta, Physica Scripta 2, 211 (1970).
[Crossref]

1967 (1)

L. Héroux, Phys. Rev. 153, 156 (1967).
[Crossref]

1966 (2)

R. Hallin, Arkiv Fysik 32, 201 (1966).

R. Hallin, Arkiv Fysik 31, 511 (1966).

1962 (1)

O. Sinanoglũ, J. Chem. Phys. 36, 706 (1962); J. Chem. Phys. 36, 3198 (1962).
[Crossref]

1960 (1)

O. Sinanoglũ, J. Chem. Phys. 33, 1212 (1960).
[Crossref]

1958 (1)

K. B. S. Erikson, Arkiv Fysik 13, 303 (1958).

1928 (1)

L. J. Freeman, Proc. Roy. Soc. (London) A121, 318 (1928).

Bashkin, S.

Berry, H. G.

Bickel, W. S.

Bromander, J.

W. Smith Hayden, J. Bromander, L. J. Curtis, and R. Buchta, Physica Scripta 2, 211 (1970).
[Crossref]

Buchta, R.

W. Smith Hayden, J. Bromander, L. J. Curtis, and R. Buchta, Physica Scripta 2, 211 (1970).
[Crossref]

Curtis, L. J.

W. Smith Hayden, J. Bromander, L. J. Curtis, and R. Buchta, Physica Scripta 2, 211 (1970).
[Crossref]

Désesquelles, J.

Erikson, K. B. S.

K. B. S. Erikson, Arkiv Fysik 13, 303 (1958).

Freeman, L. J.

L. J. Freeman, Proc. Roy. Soc. (London) A121, 318 (1928).

Glennon, B. M.

W. L. Wiese, M. W. Smith, and B. M. Glennon, Atomic Transition Probabilities, Vol. I, Natl. Bur. Std. (U. S.) NSRDS-NBS 4 (U. S. Government Printing Office, Washington, D. C., 1966).

Hallin, R.

R. Hallin, Arkiv Fysik 32, 201 (1966).

R. Hallin, Arkiv Fysik 31, 511 (1966).

Héroux, L.

L. Héroux, Phys. Rev. 153, 156 (1967).
[Crossref]

Kelly, R. L.

R. L. Kelly, Atomic Emission Lines below 2000 Å, (U. S. Government Printing Office, Washington, D. C., 1968).

Michels, D. J.

Moore, C. E.

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

Nicolaïdes, C.

C. Nicolaïdes (private communication).

Quinn, J. W.

Schectman, R. M.

Sinanoglu, O.

O. Sinanoglũ, J. Chem. Phys. 36, 706 (1962); J. Chem. Phys. 36, 3198 (1962).
[Crossref]

O. Sinanoglũ, J. Chem. Phys. 33, 1212 (1960).
[Crossref]

Smith, M. W.

W. L. Wiese, M. W. Smith, and B. M. Glennon, Atomic Transition Probabilities, Vol. I, Natl. Bur. Std. (U. S.) NSRDS-NBS 4 (U. S. Government Printing Office, Washington, D. C., 1966).

Smith Hayden, W.

W. Smith Hayden, J. Bromander, L. J. Curtis, and R. Buchta, Physica Scripta 2, 211 (1970).
[Crossref]

Tilford, S. G.

Wiese, W. L.

W. L. Wiese, M. W. Smith, and B. M. Glennon, Atomic Transition Probabilities, Vol. I, Natl. Bur. Std. (U. S.) NSRDS-NBS 4 (U. S. Government Printing Office, Washington, D. C., 1966).

Ann. Phys. (N. Y.) (1)

J. Désesquelles, Ann. Phys. (N. Y.) 6, 71 (1971).

Arkiv Fysik (3)

R. Hallin, Arkiv Fysik 32, 201 (1966).

R. Hallin, Arkiv Fysik 31, 511 (1966).

K. B. S. Erikson, Arkiv Fysik 13, 303 (1958).

J. Chem. Phys. (2)

O. Sinanoglũ, J. Chem. Phys. 33, 1212 (1960).
[Crossref]

O. Sinanoglũ, J. Chem. Phys. 36, 706 (1962); J. Chem. Phys. 36, 3198 (1962).
[Crossref]

J. Opt. Soc. Am. (2)

Phys. Rev. (1)

L. Héroux, Phys. Rev. 153, 156 (1967).
[Crossref]

Physica Scripta (1)

W. Smith Hayden, J. Bromander, L. J. Curtis, and R. Buchta, Physica Scripta 2, 211 (1970).
[Crossref]

Proc. Roy. Soc. (London) (1)

L. J. Freeman, Proc. Roy. Soc. (London) A121, 318 (1928).

Other (4)

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

R. L. Kelly, Atomic Emission Lines below 2000 Å, (U. S. Government Printing Office, Washington, D. C., 1968).

W. L. Wiese, M. W. Smith, and B. M. Glennon, Atomic Transition Probabilities, Vol. I, Natl. Bur. Std. (U. S.) NSRDS-NBS 4 (U. S. Government Printing Office, Washington, D. C., 1966).

C. Nicolaïdes (private communication).

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Figures (2)

Fig. 1
Fig. 1

Nitrogen spectrum in the 750–1000-Å wavelength range at an energy of 0.9 MeV. At this energy the newly identified transitions are visible, together with the still unidentified lines. In addition, the N ii transitions are still visible and N iv transitions begin to appear.

Fig. 2
Fig. 2

Behavior of some line intensities with the beam energy. The intensity variation of the unclassified 901- and 908-Å lines are compared with the variation of the known N ii 836-Å and N iv 948-Å transitions.

Tables (3)

Tables Icon

Table I New identifications in nitrogen.

Tables Icon

Table II Lifetimes in N ii–N v.

Tables Icon

Table III Oscillator strengths in N ii and N iii.