Abstract

The absorption spectrum of Ne i was observed photographically in the wavelength region of 565–595 Å with the high-resolution spectrograph at the Photon Factory in Japan. From the observed term values, the first ionization potentials I(2p5 2P3/2) and I(2p5 2P1/2) were found to be 173 930.0 ± 0.2 and 174 710.4 ± 0.2 cm−1, respectively. Furthermore, the five-channel quantum-defect theory is applied to the analysis of the present experimental term values. It is found that the multichannel quantum-defect theory describes well the absorption spectrum of Ne i observed in the present measurement.

© 1988 Optical Society of America

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References

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  1. C. E. Moore, Atomic Energy Levels (National Bureau of Standards, Washington, D.C., 1949), Vol. 1.
  2. V. Kaufman, L. Minhagen, “Accurate ground-term combinations in Ne i,” J. Opt. Soc. Am. 62, 92 (1972).
    [CrossRef]
  3. M. A. Baig, J. P. Connerade, “Centrifugal barrier effects in the high Rydberg states and autoionizing resonances in neon,” J. Phys. B 17, 1785 (1984).
    [CrossRef]
  4. K. Harth, M. Raab, J. Ganz, A. Siegel, M. W. Ruf, H. Hotop, “Spectroscopy of neon Rydberg states detected by electron transfer to SF6 molecules,” Opt. Commun. 54, 343 (1985).
    [CrossRef]
  5. K. Harth, J. Ganz, M. Raab, K. T. Lu, J. Geiger, H. Hotop, “On the s–d interaction in neon,” J. Phys. B 18, L825 (1985).
    [CrossRef]
  6. M. J. Seaton, “Quantum defect theory,” Rep. Prog. Phys. 46, 167 (1983).
    [CrossRef]
  7. A. F. Starace, “Absolute line strengths by analysis of Lu–Fano plots with application to excited state transitions in neon,” J. Phys. B 6, 76 (1973).
    [CrossRef]
  8. T. Namioka, H. Noda, K. Goto, T. Katayama “Design studies of mirror-grating systems for the use with an electron storage ring source at the Photon Factory,” Nucl. Instrum. Meth. 208, 215 (1983).
    [CrossRef]
  9. K. Ito, T. Namioka, Y. Morioka, T. Sasaki, K. Goto, T. Katayama, M. Koike, “High-resolution VUV spectroscopic facility at the Photon Factory,” Appl. Opt. 25, 837 (1986).
    [CrossRef] [PubMed]
  10. K. Harth, M. Raab, H. Hotop, “Odd Rydberg spectrum of 20Ne i: high resolution laser spectroscopy and multichannel quantum-defect theory,” Z. Phys. D 7, 213 (1987).
    [CrossRef]
  11. K. T. Lu, “Spectroscopy and collision theory. The Xe absorption spectrum,” Phys. Rev. A 4, 579 (1971).
    [CrossRef]
  12. C. M. Lee, K. T. Lu, “Spectroscopy and collision theory. II. The Ar absorption spectrum,” Phys. Rev. A 8, 1241 (1973).
    [CrossRef]
  13. K. Ito, K. Yoshino, Y. Morioka, T. Namioka, “The 1s21S0−1snpP11° series of the helium spectrum,” Phys. Scr. 36, 88 (1987).
    [CrossRef]
  14. M. J. Seaton, “Quantum defect theory. II. Illustrative one-channel and two-channel problems,” Proc. Phys. Soc. London Ser. A 88, 815 (1966).
    [CrossRef]

1987 (2)

K. Harth, M. Raab, H. Hotop, “Odd Rydberg spectrum of 20Ne i: high resolution laser spectroscopy and multichannel quantum-defect theory,” Z. Phys. D 7, 213 (1987).
[CrossRef]

K. Ito, K. Yoshino, Y. Morioka, T. Namioka, “The 1s21S0−1snpP11° series of the helium spectrum,” Phys. Scr. 36, 88 (1987).
[CrossRef]

1986 (1)

1985 (2)

K. Harth, M. Raab, J. Ganz, A. Siegel, M. W. Ruf, H. Hotop, “Spectroscopy of neon Rydberg states detected by electron transfer to SF6 molecules,” Opt. Commun. 54, 343 (1985).
[CrossRef]

K. Harth, J. Ganz, M. Raab, K. T. Lu, J. Geiger, H. Hotop, “On the s–d interaction in neon,” J. Phys. B 18, L825 (1985).
[CrossRef]

1984 (1)

M. A. Baig, J. P. Connerade, “Centrifugal barrier effects in the high Rydberg states and autoionizing resonances in neon,” J. Phys. B 17, 1785 (1984).
[CrossRef]

1983 (2)

T. Namioka, H. Noda, K. Goto, T. Katayama “Design studies of mirror-grating systems for the use with an electron storage ring source at the Photon Factory,” Nucl. Instrum. Meth. 208, 215 (1983).
[CrossRef]

M. J. Seaton, “Quantum defect theory,” Rep. Prog. Phys. 46, 167 (1983).
[CrossRef]

1973 (2)

A. F. Starace, “Absolute line strengths by analysis of Lu–Fano plots with application to excited state transitions in neon,” J. Phys. B 6, 76 (1973).
[CrossRef]

C. M. Lee, K. T. Lu, “Spectroscopy and collision theory. II. The Ar absorption spectrum,” Phys. Rev. A 8, 1241 (1973).
[CrossRef]

1972 (1)

1971 (1)

K. T. Lu, “Spectroscopy and collision theory. The Xe absorption spectrum,” Phys. Rev. A 4, 579 (1971).
[CrossRef]

1966 (1)

M. J. Seaton, “Quantum defect theory. II. Illustrative one-channel and two-channel problems,” Proc. Phys. Soc. London Ser. A 88, 815 (1966).
[CrossRef]

Baig, M. A.

M. A. Baig, J. P. Connerade, “Centrifugal barrier effects in the high Rydberg states and autoionizing resonances in neon,” J. Phys. B 17, 1785 (1984).
[CrossRef]

Connerade, J. P.

M. A. Baig, J. P. Connerade, “Centrifugal barrier effects in the high Rydberg states and autoionizing resonances in neon,” J. Phys. B 17, 1785 (1984).
[CrossRef]

Ganz, J.

K. Harth, M. Raab, J. Ganz, A. Siegel, M. W. Ruf, H. Hotop, “Spectroscopy of neon Rydberg states detected by electron transfer to SF6 molecules,” Opt. Commun. 54, 343 (1985).
[CrossRef]

K. Harth, J. Ganz, M. Raab, K. T. Lu, J. Geiger, H. Hotop, “On the s–d interaction in neon,” J. Phys. B 18, L825 (1985).
[CrossRef]

Geiger, J.

K. Harth, J. Ganz, M. Raab, K. T. Lu, J. Geiger, H. Hotop, “On the s–d interaction in neon,” J. Phys. B 18, L825 (1985).
[CrossRef]

Goto, K.

K. Ito, T. Namioka, Y. Morioka, T. Sasaki, K. Goto, T. Katayama, M. Koike, “High-resolution VUV spectroscopic facility at the Photon Factory,” Appl. Opt. 25, 837 (1986).
[CrossRef] [PubMed]

T. Namioka, H. Noda, K. Goto, T. Katayama “Design studies of mirror-grating systems for the use with an electron storage ring source at the Photon Factory,” Nucl. Instrum. Meth. 208, 215 (1983).
[CrossRef]

Harth, K.

K. Harth, M. Raab, H. Hotop, “Odd Rydberg spectrum of 20Ne i: high resolution laser spectroscopy and multichannel quantum-defect theory,” Z. Phys. D 7, 213 (1987).
[CrossRef]

K. Harth, J. Ganz, M. Raab, K. T. Lu, J. Geiger, H. Hotop, “On the s–d interaction in neon,” J. Phys. B 18, L825 (1985).
[CrossRef]

K. Harth, M. Raab, J. Ganz, A. Siegel, M. W. Ruf, H. Hotop, “Spectroscopy of neon Rydberg states detected by electron transfer to SF6 molecules,” Opt. Commun. 54, 343 (1985).
[CrossRef]

Hotop, H.

K. Harth, M. Raab, H. Hotop, “Odd Rydberg spectrum of 20Ne i: high resolution laser spectroscopy and multichannel quantum-defect theory,” Z. Phys. D 7, 213 (1987).
[CrossRef]

K. Harth, M. Raab, J. Ganz, A. Siegel, M. W. Ruf, H. Hotop, “Spectroscopy of neon Rydberg states detected by electron transfer to SF6 molecules,” Opt. Commun. 54, 343 (1985).
[CrossRef]

K. Harth, J. Ganz, M. Raab, K. T. Lu, J. Geiger, H. Hotop, “On the s–d interaction in neon,” J. Phys. B 18, L825 (1985).
[CrossRef]

Ito, K.

Katayama, T.

K. Ito, T. Namioka, Y. Morioka, T. Sasaki, K. Goto, T. Katayama, M. Koike, “High-resolution VUV spectroscopic facility at the Photon Factory,” Appl. Opt. 25, 837 (1986).
[CrossRef] [PubMed]

T. Namioka, H. Noda, K. Goto, T. Katayama “Design studies of mirror-grating systems for the use with an electron storage ring source at the Photon Factory,” Nucl. Instrum. Meth. 208, 215 (1983).
[CrossRef]

Kaufman, V.

Koike, M.

Lee, C. M.

C. M. Lee, K. T. Lu, “Spectroscopy and collision theory. II. The Ar absorption spectrum,” Phys. Rev. A 8, 1241 (1973).
[CrossRef]

Lu, K. T.

K. Harth, J. Ganz, M. Raab, K. T. Lu, J. Geiger, H. Hotop, “On the s–d interaction in neon,” J. Phys. B 18, L825 (1985).
[CrossRef]

C. M. Lee, K. T. Lu, “Spectroscopy and collision theory. II. The Ar absorption spectrum,” Phys. Rev. A 8, 1241 (1973).
[CrossRef]

K. T. Lu, “Spectroscopy and collision theory. The Xe absorption spectrum,” Phys. Rev. A 4, 579 (1971).
[CrossRef]

Minhagen, L.

Moore, C. E.

C. E. Moore, Atomic Energy Levels (National Bureau of Standards, Washington, D.C., 1949), Vol. 1.

Morioka, Y.

Namioka, T.

K. Ito, K. Yoshino, Y. Morioka, T. Namioka, “The 1s21S0−1snpP11° series of the helium spectrum,” Phys. Scr. 36, 88 (1987).
[CrossRef]

K. Ito, T. Namioka, Y. Morioka, T. Sasaki, K. Goto, T. Katayama, M. Koike, “High-resolution VUV spectroscopic facility at the Photon Factory,” Appl. Opt. 25, 837 (1986).
[CrossRef] [PubMed]

T. Namioka, H. Noda, K. Goto, T. Katayama “Design studies of mirror-grating systems for the use with an electron storage ring source at the Photon Factory,” Nucl. Instrum. Meth. 208, 215 (1983).
[CrossRef]

Noda, H.

T. Namioka, H. Noda, K. Goto, T. Katayama “Design studies of mirror-grating systems for the use with an electron storage ring source at the Photon Factory,” Nucl. Instrum. Meth. 208, 215 (1983).
[CrossRef]

Raab, M.

K. Harth, M. Raab, H. Hotop, “Odd Rydberg spectrum of 20Ne i: high resolution laser spectroscopy and multichannel quantum-defect theory,” Z. Phys. D 7, 213 (1987).
[CrossRef]

K. Harth, J. Ganz, M. Raab, K. T. Lu, J. Geiger, H. Hotop, “On the s–d interaction in neon,” J. Phys. B 18, L825 (1985).
[CrossRef]

K. Harth, M. Raab, J. Ganz, A. Siegel, M. W. Ruf, H. Hotop, “Spectroscopy of neon Rydberg states detected by electron transfer to SF6 molecules,” Opt. Commun. 54, 343 (1985).
[CrossRef]

Ruf, M. W.

K. Harth, M. Raab, J. Ganz, A. Siegel, M. W. Ruf, H. Hotop, “Spectroscopy of neon Rydberg states detected by electron transfer to SF6 molecules,” Opt. Commun. 54, 343 (1985).
[CrossRef]

Sasaki, T.

Seaton, M. J.

M. J. Seaton, “Quantum defect theory,” Rep. Prog. Phys. 46, 167 (1983).
[CrossRef]

M. J. Seaton, “Quantum defect theory. II. Illustrative one-channel and two-channel problems,” Proc. Phys. Soc. London Ser. A 88, 815 (1966).
[CrossRef]

Siegel, A.

K. Harth, M. Raab, J. Ganz, A. Siegel, M. W. Ruf, H. Hotop, “Spectroscopy of neon Rydberg states detected by electron transfer to SF6 molecules,” Opt. Commun. 54, 343 (1985).
[CrossRef]

Starace, A. F.

A. F. Starace, “Absolute line strengths by analysis of Lu–Fano plots with application to excited state transitions in neon,” J. Phys. B 6, 76 (1973).
[CrossRef]

Yoshino, K.

K. Ito, K. Yoshino, Y. Morioka, T. Namioka, “The 1s21S0−1snpP11° series of the helium spectrum,” Phys. Scr. 36, 88 (1987).
[CrossRef]

Appl. Opt. (1)

J. Opt. Soc. Am. (1)

J. Phys. B (3)

M. A. Baig, J. P. Connerade, “Centrifugal barrier effects in the high Rydberg states and autoionizing resonances in neon,” J. Phys. B 17, 1785 (1984).
[CrossRef]

K. Harth, J. Ganz, M. Raab, K. T. Lu, J. Geiger, H. Hotop, “On the s–d interaction in neon,” J. Phys. B 18, L825 (1985).
[CrossRef]

A. F. Starace, “Absolute line strengths by analysis of Lu–Fano plots with application to excited state transitions in neon,” J. Phys. B 6, 76 (1973).
[CrossRef]

Nucl. Instrum. Meth. (1)

T. Namioka, H. Noda, K. Goto, T. Katayama “Design studies of mirror-grating systems for the use with an electron storage ring source at the Photon Factory,” Nucl. Instrum. Meth. 208, 215 (1983).
[CrossRef]

Opt. Commun. (1)

K. Harth, M. Raab, J. Ganz, A. Siegel, M. W. Ruf, H. Hotop, “Spectroscopy of neon Rydberg states detected by electron transfer to SF6 molecules,” Opt. Commun. 54, 343 (1985).
[CrossRef]

Phys. Rev. A (2)

K. T. Lu, “Spectroscopy and collision theory. The Xe absorption spectrum,” Phys. Rev. A 4, 579 (1971).
[CrossRef]

C. M. Lee, K. T. Lu, “Spectroscopy and collision theory. II. The Ar absorption spectrum,” Phys. Rev. A 8, 1241 (1973).
[CrossRef]

Phys. Scr. (1)

K. Ito, K. Yoshino, Y. Morioka, T. Namioka, “The 1s21S0−1snpP11° series of the helium spectrum,” Phys. Scr. 36, 88 (1987).
[CrossRef]

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

M. J. Seaton, “Quantum defect theory. II. Illustrative one-channel and two-channel problems,” Proc. Phys. Soc. London Ser. A 88, 815 (1966).
[CrossRef]

Rep. Prog. Phys. (1)

M. J. Seaton, “Quantum defect theory,” Rep. Prog. Phys. 46, 167 (1983).
[CrossRef]

Z. Phys. D (1)

K. Harth, M. Raab, H. Hotop, “Odd Rydberg spectrum of 20Ne i: high resolution laser spectroscopy and multichannel quantum-defect theory,” Z. Phys. D 7, 213 (1987).
[CrossRef]

Other (1)

C. E. Moore, Atomic Energy Levels (National Bureau of Standards, Washington, D.C., 1949), Vol. 1.

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Figures (2)

Fig. 1
Fig. 1

Photoabsorption spectrogram of Ne taken in the tenth order of the main grating. Exposure time was 40 min, Ne pressure was 1 × 10−3 Torr, and the entrance slit width was 10 μm.

Fig. 2
Fig. 2

The quantum defect, μ, plotted as a function of energy for the n s ( 3 / 2 ) 1 ° and n d ( 1 / 2 ) 1 ° series. The μ’s were calculated from Eq. (1) with the observed term values and a tentative value of 173 930.0 cm−1 for I3/2. The quantum defect of the 26 s ( 3 / 2 ) 1 ° line deviates because of the interaction with the 12 s ( 1 / 2 ) 1 ° line.

Tables (8)

Tables Icon

Table 1 Observed Wavelengths for 2 p 6 1 S 0 2 p 5 ( 2 P 3 / 2 ) n s [ 3 / 2 ] 1 ° (in angstroms)

Tables Icon

Table 2 Observed Wavelengths for 2 p 6 1 S 0 2 p 5 ( 2 P 3 / 2 ) n d [ 1 / 2 ] 1 ° (in angstroms)

Tables Icon

Table 3 Observed Wavelengths for 2 p 6 1 S 0 2 p 5 ( 2 P 3 / 2 ) n d [ 3 / 2 ] 1 ° (in angstroms)

Tables Icon

Table 4 Observed Wavelengths for 2 p 6 1 S 0 2 p 5 ( 2 P 1 / 2 ) n s [ 1 / 2 ] 1 ° (in angstroms)

Tables Icon

Table 5 Observed Wavelengths for 2 p 6 1 S 0 2 p 5 ( 2 P 1 / 2 ) n d ( 3 / 2 ) 1 ° (in angstroms)

Tables Icon

Table 6 The J = 1° Term Values of Ne i below the First Limit I3/2

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Table 7 Ionization Potentials I3/2 and I1/2 for Ne i and the Fine-Structure Splitting Δ = I1/2I3/2 (in cm−1)

Tables Icon

Table 8 Eigenchannel MQDT Parameters for Five J = 1° Channels of Ne i

Equations (7)

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I E n = R y / ( n μ ) 2 ,
μ α = μ α ( 0 ) + μ α ( 1 ) / ( 2 ν 3 / 2 2 )
5 d [ 3 / 2 ] 1 °
5 d [ 1 / 2 ] 1 °
6 d [ 3 / 2 ] 1 °
5 d [ 3 / 2 ] 1 °
6 s [ 1 / 2 ] 1 °

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