Abstract

The high-dispersion absorption spectrum of Cu I is reported for the 1570–2500 Å region. Observations include the electric dipole allowed transitions 3<i>d</i><sup>10</sup>4<i>s</i><sup>2</sup><i>S</i> -3<i>d</i><sup>10</sup><i>np</i><sup>2</sup><i>P</i>º (<i>n</i> = 5-57), 3<i>d</i><sup>9</sup>4<i>s</i><sup>2</sup><sup>2</sup><i>D</i> -3<i>d</i><sup>10</sup><i>np</i><sup>2</sup><i>P</i>º (<i>n</i> = 6-17) and 3<i>d</i><sup>9</sup>4<i>s</i><sup>2</sup><sup>2</sup><i>D</i> -3<i>d</i><sup>10</sup><i>n</i>ƒ<sup>2</sup><i>F</i>º (<i>n</i> = 5,8), the electric quadrupole allowed transitions 3<i>d</i><sup>10</sup>4<i>s</i><sup>2</sup><i>S</i> -3<i>d</i><sup>10</sup><i>nd</i><sup>2</sup><i>D</i> (<i>n</i> = 4-8), and the forbidden transitions 3<i>d</i><sup>10</sup>4<i>s</i><sup>2</sup><i>S</i> -3 <i>d</i><sup>10</sup><i>ns</i><sup>2</sup><i>S</i> (<i>n</i> = 20-41). A number of transitions from 3<i>d</i><sup>10</sup>4<i>s</i><sup>2</sup><i>S</i> and 3<i>d</i><sup>9</sup>4<i>s</i><sup>2</sup><sup>2</sup><i>D</i> to levels associated with excited terms previously designated <i>w, x, y</i>, and <i>z</i> are also reported. An improved ionization potential for Cu I is 62 317.44 ± 0.10 cm<sup>-1</sup>.

© 1980 Optical Society of America

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  1. A. G. Shenstone, "The first spectrum of copper (Cu I)," Phil. Trans. R. Soc. London Ser. A 241, 297–322 (1948).
  2. G. Tondello, "Absorption spectrum of Cu I in the vacuum ultraviolet," J. Opt. Soc. Am. 63, 346–352 (1973).
  3. C. E. Moore, Atomic Energy Levels, Vol. II, Natl. Bur. Std., U.S. Circ. No. 467 (U.S. Government Printing Office, Washington, D.C., 1962), p. 112.
  4. W. C. Martin and J. Sugar, "Perturbations and coupling in the d9sp configurations of Cu I, Zn II, Ag I, Cd II, and Tl III," J. Opt. Soc. Am. 59, 1266–1280 (1969).
  5. J. P. Connerade, M. A. Baig, M. W. D. Mansfield, and E. Radtke, "The absorption spectrum of Ag I in the vacuum ultraviolet," Proc.R. Soc. London Ser. A 361, 379–398 (1978).
  6. C. M. Brown, R. H. Naber, S. G. Tilford, and M. L. Ginter, "High temperature furnace system for vacuum ultraviolet spectroscopic studies," Appl. Opt. 12, 1858–1864 (1973).
  7. C. M. Brown and M. L. Ginter, "Absorption spectrum of Ag I between 1540 and 1850 Å," J. Opt. Soc. Am. 67, 1323–1327 (1977).
  8. C. M. Brown and M. L. Ginter, "Absorption spectrum of Au I between 1300 and 1900 Å," J. Opt. Soc. Am. 68, 243–246 (1978).
  9. C. M. Brown, and M. L. Ginter, "The absorption spectrum of CuH in the 2350 Å to 1890 Å region," J. Mol. Spectrosc. 80, 145–157 (1980).
  10. In estimating the intensities, an effort was made to maintain a consistent scale over the wide ranges of wavelength, temperature, pressure, exposure time, and development time employed in this work. However, corrections for these variables were largely subjective. The intensity of a line was judged relative to the intensities of nearby lines. Consequently, intensities of lines whose wave-lengths differ by more than ~50 Å are not necessarily comparable. Finally, the intensity scales for sharp lines and diffuse lines are not necessarily related.
  11. R. H. Garstang, "Forbidden Transitions," in Atomic and Molecular Processes, edited by D. R. Bates (Academic, New York, 1962), pp. 3–5.
  12. G. H. Shortley, "The computation of quadrupole and magneticdipole transition probabilities," Phys. Rev. 57, 225–234 (1940).
  13. F. S. Tompkins (private communication, 1979).
  14. C. M. Brown, S. G. Tilford, and M. L. Ginter, "Absorption spectrum of Zn I and Cd I in the 1300–1750 Å region," J. Opt. Soc. Am. 65, 1404–1409 (1975).

1980 (1)

C. M. Brown, and M. L. Ginter, "The absorption spectrum of CuH in the 2350 Å to 1890 Å region," J. Mol. Spectrosc. 80, 145–157 (1980).

1978 (2)

J. P. Connerade, M. A. Baig, M. W. D. Mansfield, and E. Radtke, "The absorption spectrum of Ag I in the vacuum ultraviolet," Proc.R. Soc. London Ser. A 361, 379–398 (1978).

C. M. Brown and M. L. Ginter, "Absorption spectrum of Au I between 1300 and 1900 Å," J. Opt. Soc. Am. 68, 243–246 (1978).

1977 (1)

1975 (1)

1973 (2)

1969 (1)

1948 (1)

A. G. Shenstone, "The first spectrum of copper (Cu I)," Phil. Trans. R. Soc. London Ser. A 241, 297–322 (1948).

1940 (1)

G. H. Shortley, "The computation of quadrupole and magneticdipole transition probabilities," Phys. Rev. 57, 225–234 (1940).

Baig, M. A.

J. P. Connerade, M. A. Baig, M. W. D. Mansfield, and E. Radtke, "The absorption spectrum of Ag I in the vacuum ultraviolet," Proc.R. Soc. London Ser. A 361, 379–398 (1978).

Brown, C. M.

Connerade, J. P.

J. P. Connerade, M. A. Baig, M. W. D. Mansfield, and E. Radtke, "The absorption spectrum of Ag I in the vacuum ultraviolet," Proc.R. Soc. London Ser. A 361, 379–398 (1978).

Garstang, R. H.

R. H. Garstang, "Forbidden Transitions," in Atomic and Molecular Processes, edited by D. R. Bates (Academic, New York, 1962), pp. 3–5.

Ginter, M. L.

Mansfield, M. W. D.

J. P. Connerade, M. A. Baig, M. W. D. Mansfield, and E. Radtke, "The absorption spectrum of Ag I in the vacuum ultraviolet," Proc.R. Soc. London Ser. A 361, 379–398 (1978).

Martin, W. C.

Moore, C. E.

C. E. Moore, Atomic Energy Levels, Vol. II, Natl. Bur. Std., U.S. Circ. No. 467 (U.S. Government Printing Office, Washington, D.C., 1962), p. 112.

Naber, R. H.

Radtke, E.

J. P. Connerade, M. A. Baig, M. W. D. Mansfield, and E. Radtke, "The absorption spectrum of Ag I in the vacuum ultraviolet," Proc.R. Soc. London Ser. A 361, 379–398 (1978).

Shenstone, A. G.

A. G. Shenstone, "The first spectrum of copper (Cu I)," Phil. Trans. R. Soc. London Ser. A 241, 297–322 (1948).

Shortley, G. H.

G. H. Shortley, "The computation of quadrupole and magneticdipole transition probabilities," Phys. Rev. 57, 225–234 (1940).

Sugar, J.

Tilford, S. G.

Tompkins, F. S.

F. S. Tompkins (private communication, 1979).

Tondello, G.

Appl. Opt. (1)

J. Mol. Spectrosc. (1)

C. M. Brown, and M. L. Ginter, "The absorption spectrum of CuH in the 2350 Å to 1890 Å region," J. Mol. Spectrosc. 80, 145–157 (1980).

J. Opt. Soc. Am. (5)

Phil. Trans. R. Soc. London Ser. A (1)

A. G. Shenstone, "The first spectrum of copper (Cu I)," Phil. Trans. R. Soc. London Ser. A 241, 297–322 (1948).

Phys. Rev. (1)

G. H. Shortley, "The computation of quadrupole and magneticdipole transition probabilities," Phys. Rev. 57, 225–234 (1940).

Proc. R. Soc. London Ser. A (1)

J. P. Connerade, M. A. Baig, M. W. D. Mansfield, and E. Radtke, "The absorption spectrum of Ag I in the vacuum ultraviolet," Proc.R. Soc. London Ser. A 361, 379–398 (1978).

Other (4)

C. E. Moore, Atomic Energy Levels, Vol. II, Natl. Bur. Std., U.S. Circ. No. 467 (U.S. Government Printing Office, Washington, D.C., 1962), p. 112.

In estimating the intensities, an effort was made to maintain a consistent scale over the wide ranges of wavelength, temperature, pressure, exposure time, and development time employed in this work. However, corrections for these variables were largely subjective. The intensity of a line was judged relative to the intensities of nearby lines. Consequently, intensities of lines whose wave-lengths differ by more than ~50 Å are not necessarily comparable. Finally, the intensity scales for sharp lines and diffuse lines are not necessarily related.

R. H. Garstang, "Forbidden Transitions," in Atomic and Molecular Processes, edited by D. R. Bates (Academic, New York, 1962), pp. 3–5.

F. S. Tompkins (private communication, 1979).

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