Abstract

The energy-level structure of the 3s23p3 configuration of the phosphorus sequence ions Mo xxviii and Zr xxvi has been determined from magnetic-dipole line wavelengths and emissivities measured in the Princeton Large Torus tokamak discharges. The new measurements have caused some changes in the tentative assignments reported earlier for this sequence, especially for the 4S3/22D3/2 transitions. Isoelectronic interpolations together with some experimental confirmations in the Se xx and Ge xviii spectra now permit a reasonably accurate and complete reconstruction of this configuration from Z = 42 to previously established Z ≤ 28 elements. The measured wavelengths and relative intensities are in substantial agreement with recent semiempirical evaluations and ab initio calculations.

© 1984 Optical Society of America

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References

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  1. J. R. Roberts, V. Kaufman, J. Sugar, T. L. Pittman, and W. L. Rowan, "Magnetic-dipole transitions observed in highly ionized Ga, Ge, As, and Kr," Phys. Rev. A 27, 1721–1723 (1983).
    [CrossRef]
  2. B. Denne, E. Hinnov, S. Suckewer, and S. Cohen, "Magnetic dipole lines in the 3s23px configurations of elements from copper to molybdenum," Phys. Rev. A 28, 206–208 (1983).
    [CrossRef]
  3. J. Sugar and V. Kaufman, "Predicted wavelengths and transition rates for magnetic-dipole transitions within 3s23pn ground configurations of ionized Cu to Mo," J. Opt. Soc. Am. B 1, 218–223 (1984); see also Bull. Am. Phys. Soc. 28, 921 (1983).
    [CrossRef]
  4. K. N. Huang, "Energy-level scheme and transition probabilities of phosphorus-like ions," At. Data Nucl. Data Tables (to be published).
  5. R. Smith, L. Å. Svensson, and M. Outred, "An experimental study of 3s23pk and 3s3pk+1 configurations," Phys. Scr. 13, 293–307 (1976).
    [CrossRef]
  6. B. Edlén, "Atomic spectra," in Handbuch der Physik XXVII, S. Flügge, ed. (Springer-Verlag, Berlin, 1964), pp. 80–220.
  7. C. Corliss and J. Sugar, "Energy levels of iron, Fe I through Fe xxvI," J. Phys. Chem. Ref. Data 11, 135–241 (1982).
    [CrossRef]

1984 (1)

1983 (2)

J. R. Roberts, V. Kaufman, J. Sugar, T. L. Pittman, and W. L. Rowan, "Magnetic-dipole transitions observed in highly ionized Ga, Ge, As, and Kr," Phys. Rev. A 27, 1721–1723 (1983).
[CrossRef]

B. Denne, E. Hinnov, S. Suckewer, and S. Cohen, "Magnetic dipole lines in the 3s23px configurations of elements from copper to molybdenum," Phys. Rev. A 28, 206–208 (1983).
[CrossRef]

1982 (1)

C. Corliss and J. Sugar, "Energy levels of iron, Fe I through Fe xxvI," J. Phys. Chem. Ref. Data 11, 135–241 (1982).
[CrossRef]

1976 (1)

R. Smith, L. Å. Svensson, and M. Outred, "An experimental study of 3s23pk and 3s3pk+1 configurations," Phys. Scr. 13, 293–307 (1976).
[CrossRef]

1964 (1)

B. Edlén, "Atomic spectra," in Handbuch der Physik XXVII, S. Flügge, ed. (Springer-Verlag, Berlin, 1964), pp. 80–220.

Cohen, S.

B. Denne, E. Hinnov, S. Suckewer, and S. Cohen, "Magnetic dipole lines in the 3s23px configurations of elements from copper to molybdenum," Phys. Rev. A 28, 206–208 (1983).
[CrossRef]

Corliss, C.

C. Corliss and J. Sugar, "Energy levels of iron, Fe I through Fe xxvI," J. Phys. Chem. Ref. Data 11, 135–241 (1982).
[CrossRef]

Denne, B.

B. Denne, E. Hinnov, S. Suckewer, and S. Cohen, "Magnetic dipole lines in the 3s23px configurations of elements from copper to molybdenum," Phys. Rev. A 28, 206–208 (1983).
[CrossRef]

Edlén, B.

B. Edlén, "Atomic spectra," in Handbuch der Physik XXVII, S. Flügge, ed. (Springer-Verlag, Berlin, 1964), pp. 80–220.

Hinnov, E.

B. Denne, E. Hinnov, S. Suckewer, and S. Cohen, "Magnetic dipole lines in the 3s23px configurations of elements from copper to molybdenum," Phys. Rev. A 28, 206–208 (1983).
[CrossRef]

Huang, K. N.

K. N. Huang, "Energy-level scheme and transition probabilities of phosphorus-like ions," At. Data Nucl. Data Tables (to be published).

Kaufman, V.

J. Sugar and V. Kaufman, "Predicted wavelengths and transition rates for magnetic-dipole transitions within 3s23pn ground configurations of ionized Cu to Mo," J. Opt. Soc. Am. B 1, 218–223 (1984); see also Bull. Am. Phys. Soc. 28, 921 (1983).
[CrossRef]

J. R. Roberts, V. Kaufman, J. Sugar, T. L. Pittman, and W. L. Rowan, "Magnetic-dipole transitions observed in highly ionized Ga, Ge, As, and Kr," Phys. Rev. A 27, 1721–1723 (1983).
[CrossRef]

Outred, M.

R. Smith, L. Å. Svensson, and M. Outred, "An experimental study of 3s23pk and 3s3pk+1 configurations," Phys. Scr. 13, 293–307 (1976).
[CrossRef]

Pittman, T. L.

J. R. Roberts, V. Kaufman, J. Sugar, T. L. Pittman, and W. L. Rowan, "Magnetic-dipole transitions observed in highly ionized Ga, Ge, As, and Kr," Phys. Rev. A 27, 1721–1723 (1983).
[CrossRef]

Roberts, J. R.

J. R. Roberts, V. Kaufman, J. Sugar, T. L. Pittman, and W. L. Rowan, "Magnetic-dipole transitions observed in highly ionized Ga, Ge, As, and Kr," Phys. Rev. A 27, 1721–1723 (1983).
[CrossRef]

Rowan, W. L.

J. R. Roberts, V. Kaufman, J. Sugar, T. L. Pittman, and W. L. Rowan, "Magnetic-dipole transitions observed in highly ionized Ga, Ge, As, and Kr," Phys. Rev. A 27, 1721–1723 (1983).
[CrossRef]

Smith, R.

R. Smith, L. Å. Svensson, and M. Outred, "An experimental study of 3s23pk and 3s3pk+1 configurations," Phys. Scr. 13, 293–307 (1976).
[CrossRef]

Suckewer, S.

B. Denne, E. Hinnov, S. Suckewer, and S. Cohen, "Magnetic dipole lines in the 3s23px configurations of elements from copper to molybdenum," Phys. Rev. A 28, 206–208 (1983).
[CrossRef]

Sugar, J.

J. Sugar and V. Kaufman, "Predicted wavelengths and transition rates for magnetic-dipole transitions within 3s23pn ground configurations of ionized Cu to Mo," J. Opt. Soc. Am. B 1, 218–223 (1984); see also Bull. Am. Phys. Soc. 28, 921 (1983).
[CrossRef]

J. R. Roberts, V. Kaufman, J. Sugar, T. L. Pittman, and W. L. Rowan, "Magnetic-dipole transitions observed in highly ionized Ga, Ge, As, and Kr," Phys. Rev. A 27, 1721–1723 (1983).
[CrossRef]

C. Corliss and J. Sugar, "Energy levels of iron, Fe I through Fe xxvI," J. Phys. Chem. Ref. Data 11, 135–241 (1982).
[CrossRef]

Svensson, L. Å.

R. Smith, L. Å. Svensson, and M. Outred, "An experimental study of 3s23pk and 3s3pk+1 configurations," Phys. Scr. 13, 293–307 (1976).
[CrossRef]

J. Opt. Soc. Am. B (1)

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

C. Corliss and J. Sugar, "Energy levels of iron, Fe I through Fe xxvI," J. Phys. Chem. Ref. Data 11, 135–241 (1982).
[CrossRef]

Phys. Rev. A (2)

J. R. Roberts, V. Kaufman, J. Sugar, T. L. Pittman, and W. L. Rowan, "Magnetic-dipole transitions observed in highly ionized Ga, Ge, As, and Kr," Phys. Rev. A 27, 1721–1723 (1983).
[CrossRef]

B. Denne, E. Hinnov, S. Suckewer, and S. Cohen, "Magnetic dipole lines in the 3s23px configurations of elements from copper to molybdenum," Phys. Rev. A 28, 206–208 (1983).
[CrossRef]

Phys. Scr. (1)

R. Smith, L. Å. Svensson, and M. Outred, "An experimental study of 3s23pk and 3s3pk+1 configurations," Phys. Scr. 13, 293–307 (1976).
[CrossRef]

Other (2)

B. Edlén, "Atomic spectra," in Handbuch der Physik XXVII, S. Flügge, ed. (Springer-Verlag, Berlin, 1964), pp. 80–220.

K. N. Huang, "Energy-level scheme and transition probabilities of phosphorus-like ions," At. Data Nucl. Data Tables (to be published).

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Figures (5)

Fig. 1
Fig. 1

3s23p3 configuration of Mo xxviii. Wavelengths in boxes have been observed in PLT. Angle brackets indicate predicted wavelengths. Wavelengths above 2000 Å are given in air. The relative intensities of the observed transitions, as measured with an absolutely calibrated grazing-incidence spectrometer, are shown in the top right-hand corner of the figure.

Fig. 2
Fig. 2

3s23p3 configuration of Zr xxvi. For explanation of entries, see caption to Fig. 1.

Fig. 3
Fig. 3

Relative intensities of transitions from the 2P3/2 level. Observed intensities are compared with calculated values [referred to as “National Bureau of Standards” (Ref. 3)]. The calculated values are normalized to the sum of the three observed lines.

Fig. 4
Fig. 4

3s23p3 configuration of Se xx. Wavelengths in square brackets are tentative identifications. For explanation of other entries, see caption to Fig. 1.

Fig. 5
Fig. 5

Graphic representation of the level structure for the 3s23p3 configuration in intermediate coupling.

Tables (1)

Tables Icon

Table 1 Wavelengths in the 3s23p3 Configuration of the Phosphorus Sequencea

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