Abstract

An analysis of the Ne IV spectrum was undertaken in the 450–1100-Å spectral range. The spectra were produced by the beam–foil method with beam energies of 1.2 and 2.5 MeV, respectively. The resolution that was achieved, with a normal-incidence 2-m spectrometer, was sufficient to identify 53 new Ne IV lines and, consequently, to determine 18 new levels in the quartet and doublet systems and one sextet term. The energy values of 13 additional levels were also revised. The classification work was facilitated by the use of scaled relativistic Hartree–Fock calculations.

© 1997 Optical Society of America

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1992 (1)

J. A. Freitas Pacheco and R. D. D. Costa, “Chemical abundances in symbiotic nebulae,” Astron. Astrophys. 257, 619–626 (1992).

1991 (2)

W. Persson, C.-G. Wahlström, L. Jönsson, and H. O. Di Rocco, “Spectrum of doubly ionized neon,” Phys. Rev. A 43, 4791–4810 (1991).
[CrossRef] [PubMed]

J. Kemmler, J. Burgdörfer, and C. O. Reinhold, “Theory of the l-state population of Rydberg states formed in ion-solid collisions,” Phys. Rev. A 44, 2993–3000 (1991).
[CrossRef] [PubMed]

1987 (2)

L. Kelly, Atomic and Ionic Spectrum Lines below 2000 Å, Hydrogen through Krypton, J. Phys. Chem. Ref. Data 16, Suppl. 1 (1987).
[CrossRef]

P. D. Dumont, H. P. Garnir, and Y. Baudinet-Robinet, “Identification of new lines in the beam-foil spectrum of B II–IV,” Z. Phys. D 4, 335–338 (1987).
[CrossRef]

1985 (1)

E. Veje, “Some beam–foil excitation mechanisms,” Nucl. Instrum. Methods Phys. Res. B 9, 586–592 (1985).
[CrossRef]

1982 (1)

A. Denis, J. Désesquelles, M. Druetta, and D. J. Pegg, “Quantum beat study of the He+ beam–carbon foil interaction,” Nucl. Instrum. Methods 194, 363–367 (1982).
[CrossRef]

1981 (1)

W. N. Lennard, D. Phillips, and D. A. S. Walker, “Equilibrium charge distributions of ion beams exiting carbon foils,” Nucl. Instrum. Methods 179, 413–419 (1981).
[CrossRef]

1979 (2)

B. Andresen, S. Hultberg, B. Jelenkovic, L. Liljeby, S. Mannervik, and E. Veje, “A study of relative level populations in beam–foil excited Li, Be and Mg,” Z. Phys. A 293, 181–185 (1979).
[CrossRef]

J. H. Lutz and M. J. Seaton, “The [Ne IV] 2D→4S lines in the planetary nebula NGC 7662,” Mon. Not. R. Astron. Soc. 187, 1P–7P (1979).

1977 (2)

J. A. Kernahan, K. E. Donnelly, and E. H. Pinnington, “Beam-foil spectroscopy of neon in the wavelength range 209–602 Å,” Can. J. Phys. 55, 1310–1315 (1977).
[CrossRef]

G. D. Sandlin, G. E. Brueckner, and R. Tousey, “Forbidden lines of the solar corona and transition zone: 975–3000 Å,” Astrophys. J. 214, 898–904 (1977).
[CrossRef]

1975 (2)

J.-P. Buchet and M. Druetta, “Beam-foil spectroscopy of neon between 80 and 350 Å,” J. Opt. Soc. Am. 65, 991–994 (1975).
[CrossRef]

C. E. Moore, Selected Tables of Atomic Spectra, Natl. Stand. Ref. Data Ser. 3, Sec. 5 (1975).

1973 (2)

J. A. Leavitt, J. W. Robson, and J. O. Stoner, “Line shapes and charge identification,” Nucl. Instrum. Methods 110, 423–433 (1973).
[CrossRef]

D. J. G. Irwin, A. E. Livingston, and J. A. Kernahan, “Radiative mean life measurements in neon below 1000 Å,” Can. J. Phys. 51, 1948–1955 (1973).
[CrossRef]

1972 (1)

1971 (2)

R. Girardeau, E. J. Knystautas, G. Beauchemin, B. Neveu, and R. Drouin, “Equilibrium charge distributions of C, N, O and Ne in carbon foil,” J. Phys. B 4, 1743–1746 (1971).
[CrossRef]

W. Persson, “The spectrum of singly ionized neon, Ne II,” Phys. Scr. 3, 133–155 (1971).
[CrossRef]

1970 (4)

H. P. Palénius, “Spectrum and term system of doubly ionized fluorine, F III,” Phys. Scr. 1, 113–135 (1970).
[CrossRef]

P. Hvelplund, E. Laegsgard, J. O. Olsen, and E. H. Pedersen, “Equilibrium charge distributions of ion beams in carbon,” Nucl. Instrum. Methods 90, 315–320 (1970).
[CrossRef]

A. Denis, P. Ceyzériat, and M. Dufay, “Spectra and mean lives of multiply ionized neon,” J. Opt. Soc. Am. 60, 1186–1191 (1970).
[CrossRef]

A. Denis, J. Desesquelles, and M. Dufay, “Beam-foil excitation of multiply ionized neon,” J. Opt. Soc. Am. 59, 976–980 (1970).

1965 (1)

S. G. Tilford and L. E. Giddings, “The XUV and nebular spectra of Ne IV,” Astrophys. J. 141, 1222–1225 (1965).
[CrossRef]

1963 (2)

S. Goldsmith and A. S. Kaufman, “The spectra of Ne IV, Ne V and Ne VI: a further analysis,” Proc. Phys. Soc. London 81, 544–552 (1963).
[CrossRef]

K. Bockasten, R. Hallin, and T. P. Hughes, “The spectra of highly ionized light elements in a high temperature plasma,” Proc. Phys. Soc. London 81, 522–530 (1963).
[CrossRef]

1960 (2)

I. S. Bowen, “Wavelengths of forbidden nebular lines II,” Astrophys. J. 132, 1–17 (1960).
[CrossRef]

A. S. Kaufman, T. P. Hughes, and R. V. Williams, “Sceptre III—an intense source of the spectra of highly ionized atoms,” Proc. Phys. Soc. London 76, 17–24 (1960).
[CrossRef]

1950 (1)

P. W. Merril, “Measurements in the combination spectra of RW Hydrae, BF Cygni, and CI Cygni,” Astrophys. J. 111, 484–494 (1950).
[CrossRef]

1945 (1)

A. H. Joy and P. Swings, “Identification of the post-maximum lines in the spectrum of Nova (RS) Ophiuchi,” Astrophys. J. 102, 353–356 (1945).
[CrossRef]

1941 (1)

F. W. Paul and H. D. Polster, “The extreme ultraviolet spectra of Ne IV, V and VI,” Phys. Rev. 59, 424–430 (1941).
[CrossRef]

1934 (1)

J. C. Boyce, “The spectra of neon in the extreme ultraviolet,” Phys. Rev. 46, 378–381 (1934).
[CrossRef]

Andresen, B.

B. Andresen, S. Hultberg, B. Jelenkovic, L. Liljeby, S. Mannervik, and E. Veje, “A study of relative level populations in beam–foil excited Li, Be and Mg,” Z. Phys. A 293, 181–185 (1979).
[CrossRef]

Baudinet-Robinet, Y.

P. D. Dumont, H. P. Garnir, and Y. Baudinet-Robinet, “Identification of new lines in the beam-foil spectrum of B II–IV,” Z. Phys. D 4, 335–338 (1987).
[CrossRef]

Beauchemin, G.

R. Girardeau, E. J. Knystautas, G. Beauchemin, B. Neveu, and R. Drouin, “Equilibrium charge distributions of C, N, O and Ne in carbon foil,” J. Phys. B 4, 1743–1746 (1971).
[CrossRef]

Bockasten, K.

K. Bockasten, R. Hallin, and T. P. Hughes, “The spectra of highly ionized light elements in a high temperature plasma,” Proc. Phys. Soc. London 81, 522–530 (1963).
[CrossRef]

Bowen, I. S.

I. S. Bowen, “Wavelengths of forbidden nebular lines II,” Astrophys. J. 132, 1–17 (1960).
[CrossRef]

Boyce, J. C.

J. C. Boyce, “The spectra of neon in the extreme ultraviolet,” Phys. Rev. 46, 378–381 (1934).
[CrossRef]

Brueckner, G. E.

G. D. Sandlin, G. E. Brueckner, and R. Tousey, “Forbidden lines of the solar corona and transition zone: 975–3000 Å,” Astrophys. J. 214, 898–904 (1977).
[CrossRef]

Buchet, J.-P.

Burgdörfer, J.

J. Kemmler, J. Burgdörfer, and C. O. Reinhold, “Theory of the l-state population of Rydberg states formed in ion-solid collisions,” Phys. Rev. A 44, 2993–3000 (1991).
[CrossRef] [PubMed]

Ceyzériat, P.

Costa, R. D. D.

J. A. Freitas Pacheco and R. D. D. Costa, “Chemical abundances in symbiotic nebulae,” Astron. Astrophys. 257, 619–626 (1992).

Denis, A.

Desesquelles, J.

Désesquelles, J.

A. Denis, J. Désesquelles, M. Druetta, and D. J. Pegg, “Quantum beat study of the He+ beam–carbon foil interaction,” Nucl. Instrum. Methods 194, 363–367 (1982).
[CrossRef]

Di Rocco, H. O.

W. Persson, C.-G. Wahlström, L. Jönsson, and H. O. Di Rocco, “Spectrum of doubly ionized neon,” Phys. Rev. A 43, 4791–4810 (1991).
[CrossRef] [PubMed]

Donnelly, K. E.

J. A. Kernahan, K. E. Donnelly, and E. H. Pinnington, “Beam-foil spectroscopy of neon in the wavelength range 209–602 Å,” Can. J. Phys. 55, 1310–1315 (1977).
[CrossRef]

Drouin, R.

R. Girardeau, E. J. Knystautas, G. Beauchemin, B. Neveu, and R. Drouin, “Equilibrium charge distributions of C, N, O and Ne in carbon foil,” J. Phys. B 4, 1743–1746 (1971).
[CrossRef]

Druetta, M.

A. Denis, J. Désesquelles, M. Druetta, and D. J. Pegg, “Quantum beat study of the He+ beam–carbon foil interaction,” Nucl. Instrum. Methods 194, 363–367 (1982).
[CrossRef]

J.-P. Buchet and M. Druetta, “Beam-foil spectroscopy of neon between 80 and 350 Å,” J. Opt. Soc. Am. 65, 991–994 (1975).
[CrossRef]

Dufay, M.

Dumont, P. D.

P. D. Dumont, H. P. Garnir, and Y. Baudinet-Robinet, “Identification of new lines in the beam-foil spectrum of B II–IV,” Z. Phys. D 4, 335–338 (1987).
[CrossRef]

Freitas Pacheco, J. A.

J. A. Freitas Pacheco and R. D. D. Costa, “Chemical abundances in symbiotic nebulae,” Astron. Astrophys. 257, 619–626 (1992).

Garnir, H. P.

P. D. Dumont, H. P. Garnir, and Y. Baudinet-Robinet, “Identification of new lines in the beam-foil spectrum of B II–IV,” Z. Phys. D 4, 335–338 (1987).
[CrossRef]

Giddings, L. E.

S. G. Tilford and L. E. Giddings, “The XUV and nebular spectra of Ne IV,” Astrophys. J. 141, 1222–1225 (1965).
[CrossRef]

Girardeau, R.

R. Girardeau, E. J. Knystautas, G. Beauchemin, B. Neveu, and R. Drouin, “Equilibrium charge distributions of C, N, O and Ne in carbon foil,” J. Phys. B 4, 1743–1746 (1971).
[CrossRef]

Goldsmith, S.

S. Goldsmith and A. S. Kaufman, “The spectra of Ne IV, Ne V and Ne VI: a further analysis,” Proc. Phys. Soc. London 81, 544–552 (1963).
[CrossRef]

Hallin, R.

K. Bockasten, R. Hallin, and T. P. Hughes, “The spectra of highly ionized light elements in a high temperature plasma,” Proc. Phys. Soc. London 81, 522–530 (1963).
[CrossRef]

Hermansdorfer, H.

Hughes, T. P.

K. Bockasten, R. Hallin, and T. P. Hughes, “The spectra of highly ionized light elements in a high temperature plasma,” Proc. Phys. Soc. London 81, 522–530 (1963).
[CrossRef]

A. S. Kaufman, T. P. Hughes, and R. V. Williams, “Sceptre III—an intense source of the spectra of highly ionized atoms,” Proc. Phys. Soc. London 76, 17–24 (1960).
[CrossRef]

Hultberg, S.

B. Andresen, S. Hultberg, B. Jelenkovic, L. Liljeby, S. Mannervik, and E. Veje, “A study of relative level populations in beam–foil excited Li, Be and Mg,” Z. Phys. A 293, 181–185 (1979).
[CrossRef]

Hvelplund, P.

P. Hvelplund, E. Laegsgard, J. O. Olsen, and E. H. Pedersen, “Equilibrium charge distributions of ion beams in carbon,” Nucl. Instrum. Methods 90, 315–320 (1970).
[CrossRef]

Irwin, D. J. G.

D. J. G. Irwin, A. E. Livingston, and J. A. Kernahan, “Radiative mean life measurements in neon below 1000 Å,” Can. J. Phys. 51, 1948–1955 (1973).
[CrossRef]

Jelenkovic, B.

B. Andresen, S. Hultberg, B. Jelenkovic, L. Liljeby, S. Mannervik, and E. Veje, “A study of relative level populations in beam–foil excited Li, Be and Mg,” Z. Phys. A 293, 181–185 (1979).
[CrossRef]

Jönsson, L.

W. Persson, C.-G. Wahlström, L. Jönsson, and H. O. Di Rocco, “Spectrum of doubly ionized neon,” Phys. Rev. A 43, 4791–4810 (1991).
[CrossRef] [PubMed]

Joy, A. H.

A. H. Joy and P. Swings, “Identification of the post-maximum lines in the spectrum of Nova (RS) Ophiuchi,” Astrophys. J. 102, 353–356 (1945).
[CrossRef]

Kaufman, A. S.

S. Goldsmith and A. S. Kaufman, “The spectra of Ne IV, Ne V and Ne VI: a further analysis,” Proc. Phys. Soc. London 81, 544–552 (1963).
[CrossRef]

A. S. Kaufman, T. P. Hughes, and R. V. Williams, “Sceptre III—an intense source of the spectra of highly ionized atoms,” Proc. Phys. Soc. London 76, 17–24 (1960).
[CrossRef]

Kelly, L.

L. Kelly, Atomic and Ionic Spectrum Lines below 2000 Å, Hydrogen through Krypton, J. Phys. Chem. Ref. Data 16, Suppl. 1 (1987).
[CrossRef]

Kemmler, J.

J. Kemmler, J. Burgdörfer, and C. O. Reinhold, “Theory of the l-state population of Rydberg states formed in ion-solid collisions,” Phys. Rev. A 44, 2993–3000 (1991).
[CrossRef] [PubMed]

Kernahan, J. A.

J. A. Kernahan, K. E. Donnelly, and E. H. Pinnington, “Beam-foil spectroscopy of neon in the wavelength range 209–602 Å,” Can. J. Phys. 55, 1310–1315 (1977).
[CrossRef]

D. J. G. Irwin, A. E. Livingston, and J. A. Kernahan, “Radiative mean life measurements in neon below 1000 Å,” Can. J. Phys. 51, 1948–1955 (1973).
[CrossRef]

Knystautas, E. J.

R. Girardeau, E. J. Knystautas, G. Beauchemin, B. Neveu, and R. Drouin, “Equilibrium charge distributions of C, N, O and Ne in carbon foil,” J. Phys. B 4, 1743–1746 (1971).
[CrossRef]

Laegsgard, E.

P. Hvelplund, E. Laegsgard, J. O. Olsen, and E. H. Pedersen, “Equilibrium charge distributions of ion beams in carbon,” Nucl. Instrum. Methods 90, 315–320 (1970).
[CrossRef]

Leavitt, J. A.

J. A. Leavitt, J. W. Robson, and J. O. Stoner, “Line shapes and charge identification,” Nucl. Instrum. Methods 110, 423–433 (1973).
[CrossRef]

Lennard, W. N.

W. N. Lennard, D. Phillips, and D. A. S. Walker, “Equilibrium charge distributions of ion beams exiting carbon foils,” Nucl. Instrum. Methods 179, 413–419 (1981).
[CrossRef]

Liljeby, L.

B. Andresen, S. Hultberg, B. Jelenkovic, L. Liljeby, S. Mannervik, and E. Veje, “A study of relative level populations in beam–foil excited Li, Be and Mg,” Z. Phys. A 293, 181–185 (1979).
[CrossRef]

Livingston, A. E.

D. J. G. Irwin, A. E. Livingston, and J. A. Kernahan, “Radiative mean life measurements in neon below 1000 Å,” Can. J. Phys. 51, 1948–1955 (1973).
[CrossRef]

Lutz, J. H.

J. H. Lutz and M. J. Seaton, “The [Ne IV] 2D→4S lines in the planetary nebula NGC 7662,” Mon. Not. R. Astron. Soc. 187, 1P–7P (1979).

Mannervik, S.

B. Andresen, S. Hultberg, B. Jelenkovic, L. Liljeby, S. Mannervik, and E. Veje, “A study of relative level populations in beam–foil excited Li, Be and Mg,” Z. Phys. A 293, 181–185 (1979).
[CrossRef]

Merril, P. W.

P. W. Merril, “Measurements in the combination spectra of RW Hydrae, BF Cygni, and CI Cygni,” Astrophys. J. 111, 484–494 (1950).
[CrossRef]

Moore, C. E.

C. E. Moore, Selected Tables of Atomic Spectra, Natl. Stand. Ref. Data Ser. 3, Sec. 5 (1975).

Neveu, B.

R. Girardeau, E. J. Knystautas, G. Beauchemin, B. Neveu, and R. Drouin, “Equilibrium charge distributions of C, N, O and Ne in carbon foil,” J. Phys. B 4, 1743–1746 (1971).
[CrossRef]

Olsen, J. O.

P. Hvelplund, E. Laegsgard, J. O. Olsen, and E. H. Pedersen, “Equilibrium charge distributions of ion beams in carbon,” Nucl. Instrum. Methods 90, 315–320 (1970).
[CrossRef]

Palénius, H. P.

H. P. Palénius, “Spectrum and term system of doubly ionized fluorine, F III,” Phys. Scr. 1, 113–135 (1970).
[CrossRef]

Paul, F. W.

F. W. Paul and H. D. Polster, “The extreme ultraviolet spectra of Ne IV, V and VI,” Phys. Rev. 59, 424–430 (1941).
[CrossRef]

Pedersen, E. H.

P. Hvelplund, E. Laegsgard, J. O. Olsen, and E. H. Pedersen, “Equilibrium charge distributions of ion beams in carbon,” Nucl. Instrum. Methods 90, 315–320 (1970).
[CrossRef]

Pegg, D. J.

A. Denis, J. Désesquelles, M. Druetta, and D. J. Pegg, “Quantum beat study of the He+ beam–carbon foil interaction,” Nucl. Instrum. Methods 194, 363–367 (1982).
[CrossRef]

Persson, W.

W. Persson, C.-G. Wahlström, L. Jönsson, and H. O. Di Rocco, “Spectrum of doubly ionized neon,” Phys. Rev. A 43, 4791–4810 (1991).
[CrossRef] [PubMed]

W. Persson, “The spectrum of singly ionized neon, Ne II,” Phys. Scr. 3, 133–155 (1971).
[CrossRef]

Phillips, D.

W. N. Lennard, D. Phillips, and D. A. S. Walker, “Equilibrium charge distributions of ion beams exiting carbon foils,” Nucl. Instrum. Methods 179, 413–419 (1981).
[CrossRef]

Pinnington, E. H.

J. A. Kernahan, K. E. Donnelly, and E. H. Pinnington, “Beam-foil spectroscopy of neon in the wavelength range 209–602 Å,” Can. J. Phys. 55, 1310–1315 (1977).
[CrossRef]

Polster, H. D.

F. W. Paul and H. D. Polster, “The extreme ultraviolet spectra of Ne IV, V and VI,” Phys. Rev. 59, 424–430 (1941).
[CrossRef]

Reinhold, C. O.

J. Kemmler, J. Burgdörfer, and C. O. Reinhold, “Theory of the l-state population of Rydberg states formed in ion-solid collisions,” Phys. Rev. A 44, 2993–3000 (1991).
[CrossRef] [PubMed]

Robson, J. W.

J. A. Leavitt, J. W. Robson, and J. O. Stoner, “Line shapes and charge identification,” Nucl. Instrum. Methods 110, 423–433 (1973).
[CrossRef]

Sandlin, G. D.

G. D. Sandlin, G. E. Brueckner, and R. Tousey, “Forbidden lines of the solar corona and transition zone: 975–3000 Å,” Astrophys. J. 214, 898–904 (1977).
[CrossRef]

Seaton, M. J.

J. H. Lutz and M. J. Seaton, “The [Ne IV] 2D→4S lines in the planetary nebula NGC 7662,” Mon. Not. R. Astron. Soc. 187, 1P–7P (1979).

Stoner, J. O.

J. A. Leavitt, J. W. Robson, and J. O. Stoner, “Line shapes and charge identification,” Nucl. Instrum. Methods 110, 423–433 (1973).
[CrossRef]

Swings, P.

A. H. Joy and P. Swings, “Identification of the post-maximum lines in the spectrum of Nova (RS) Ophiuchi,” Astrophys. J. 102, 353–356 (1945).
[CrossRef]

Tilford, S. G.

S. G. Tilford and L. E. Giddings, “The XUV and nebular spectra of Ne IV,” Astrophys. J. 141, 1222–1225 (1965).
[CrossRef]

Tousey, R.

G. D. Sandlin, G. E. Brueckner, and R. Tousey, “Forbidden lines of the solar corona and transition zone: 975–3000 Å,” Astrophys. J. 214, 898–904 (1977).
[CrossRef]

Veje, E.

E. Veje, “Some beam–foil excitation mechanisms,” Nucl. Instrum. Methods Phys. Res. B 9, 586–592 (1985).
[CrossRef]

B. Andresen, S. Hultberg, B. Jelenkovic, L. Liljeby, S. Mannervik, and E. Veje, “A study of relative level populations in beam–foil excited Li, Be and Mg,” Z. Phys. A 293, 181–185 (1979).
[CrossRef]

Wahlström, C.-G.

W. Persson, C.-G. Wahlström, L. Jönsson, and H. O. Di Rocco, “Spectrum of doubly ionized neon,” Phys. Rev. A 43, 4791–4810 (1991).
[CrossRef] [PubMed]

Walker, D. A. S.

W. N. Lennard, D. Phillips, and D. A. S. Walker, “Equilibrium charge distributions of ion beams exiting carbon foils,” Nucl. Instrum. Methods 179, 413–419 (1981).
[CrossRef]

Williams, R. V.

A. S. Kaufman, T. P. Hughes, and R. V. Williams, “Sceptre III—an intense source of the spectra of highly ionized atoms,” Proc. Phys. Soc. London 76, 17–24 (1960).
[CrossRef]

Astron. Astrophys. (1)

J. A. Freitas Pacheco and R. D. D. Costa, “Chemical abundances in symbiotic nebulae,” Astron. Astrophys. 257, 619–626 (1992).

Astrophys. J. (5)

G. D. Sandlin, G. E. Brueckner, and R. Tousey, “Forbidden lines of the solar corona and transition zone: 975–3000 Å,” Astrophys. J. 214, 898–904 (1977).
[CrossRef]

A. H. Joy and P. Swings, “Identification of the post-maximum lines in the spectrum of Nova (RS) Ophiuchi,” Astrophys. J. 102, 353–356 (1945).
[CrossRef]

I. S. Bowen, “Wavelengths of forbidden nebular lines II,” Astrophys. J. 132, 1–17 (1960).
[CrossRef]

S. G. Tilford and L. E. Giddings, “The XUV and nebular spectra of Ne IV,” Astrophys. J. 141, 1222–1225 (1965).
[CrossRef]

P. W. Merril, “Measurements in the combination spectra of RW Hydrae, BF Cygni, and CI Cygni,” Astrophys. J. 111, 484–494 (1950).
[CrossRef]

Can. J. Phys. (2)

D. J. G. Irwin, A. E. Livingston, and J. A. Kernahan, “Radiative mean life measurements in neon below 1000 Å,” Can. J. Phys. 51, 1948–1955 (1973).
[CrossRef]

J. A. Kernahan, K. E. Donnelly, and E. H. Pinnington, “Beam-foil spectroscopy of neon in the wavelength range 209–602 Å,” Can. J. Phys. 55, 1310–1315 (1977).
[CrossRef]

J. Opt. Soc. Am. (4)

J. Phys. B (1)

R. Girardeau, E. J. Knystautas, G. Beauchemin, B. Neveu, and R. Drouin, “Equilibrium charge distributions of C, N, O and Ne in carbon foil,” J. Phys. B 4, 1743–1746 (1971).
[CrossRef]

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

L. Kelly, Atomic and Ionic Spectrum Lines below 2000 Å, Hydrogen through Krypton, J. Phys. Chem. Ref. Data 16, Suppl. 1 (1987).
[CrossRef]

Mon. Not. R. Astron. Soc. (1)

J. H. Lutz and M. J. Seaton, “The [Ne IV] 2D→4S lines in the planetary nebula NGC 7662,” Mon. Not. R. Astron. Soc. 187, 1P–7P (1979).

Natl. Stand. Ref. Data Ser. (1)

C. E. Moore, Selected Tables of Atomic Spectra, Natl. Stand. Ref. Data Ser. 3, Sec. 5 (1975).

Nucl. Instrum. Methods (4)

P. Hvelplund, E. Laegsgard, J. O. Olsen, and E. H. Pedersen, “Equilibrium charge distributions of ion beams in carbon,” Nucl. Instrum. Methods 90, 315–320 (1970).
[CrossRef]

W. N. Lennard, D. Phillips, and D. A. S. Walker, “Equilibrium charge distributions of ion beams exiting carbon foils,” Nucl. Instrum. Methods 179, 413–419 (1981).
[CrossRef]

J. A. Leavitt, J. W. Robson, and J. O. Stoner, “Line shapes and charge identification,” Nucl. Instrum. Methods 110, 423–433 (1973).
[CrossRef]

A. Denis, J. Désesquelles, M. Druetta, and D. J. Pegg, “Quantum beat study of the He+ beam–carbon foil interaction,” Nucl. Instrum. Methods 194, 363–367 (1982).
[CrossRef]

Nucl. Instrum. Methods Phys. Res. B (1)

E. Veje, “Some beam–foil excitation mechanisms,” Nucl. Instrum. Methods Phys. Res. B 9, 586–592 (1985).
[CrossRef]

Phys. Rev. (2)

J. C. Boyce, “The spectra of neon in the extreme ultraviolet,” Phys. Rev. 46, 378–381 (1934).
[CrossRef]

F. W. Paul and H. D. Polster, “The extreme ultraviolet spectra of Ne IV, V and VI,” Phys. Rev. 59, 424–430 (1941).
[CrossRef]

Phys. Rev. A (2)

W. Persson, C.-G. Wahlström, L. Jönsson, and H. O. Di Rocco, “Spectrum of doubly ionized neon,” Phys. Rev. A 43, 4791–4810 (1991).
[CrossRef] [PubMed]

J. Kemmler, J. Burgdörfer, and C. O. Reinhold, “Theory of the l-state population of Rydberg states formed in ion-solid collisions,” Phys. Rev. A 44, 2993–3000 (1991).
[CrossRef] [PubMed]

Phys. Scr. (2)

H. P. Palénius, “Spectrum and term system of doubly ionized fluorine, F III,” Phys. Scr. 1, 113–135 (1970).
[CrossRef]

W. Persson, “The spectrum of singly ionized neon, Ne II,” Phys. Scr. 3, 133–155 (1971).
[CrossRef]

Proc. Phys. Soc. London (3)

A. S. Kaufman, T. P. Hughes, and R. V. Williams, “Sceptre III—an intense source of the spectra of highly ionized atoms,” Proc. Phys. Soc. London 76, 17–24 (1960).
[CrossRef]

S. Goldsmith and A. S. Kaufman, “The spectra of Ne IV, Ne V and Ne VI: a further analysis,” Proc. Phys. Soc. London 81, 544–552 (1963).
[CrossRef]

K. Bockasten, R. Hallin, and T. P. Hughes, “The spectra of highly ionized light elements in a high temperature plasma,” Proc. Phys. Soc. London 81, 522–530 (1963).
[CrossRef]

Z. Phys. A (1)

B. Andresen, S. Hultberg, B. Jelenkovic, L. Liljeby, S. Mannervik, and E. Veje, “A study of relative level populations in beam–foil excited Li, Be and Mg,” Z. Phys. A 293, 181–185 (1979).
[CrossRef]

Z. Phys. D (1)

P. D. Dumont, H. P. Garnir, and Y. Baudinet-Robinet, “Identification of new lines in the beam-foil spectrum of B II–IV,” Z. Phys. D 4, 335–338 (1987).
[CrossRef]

Other (10)

B. Sobotka, “Hochauflösende Spektroskopie an folienangeregten Atomen,” Ph.D. dissertation (Bochum University, Germany, 1990).

A. Bastert, “Intensitätskalibrierung eines VUV-Monochromators,” Ph.D. dissertation (Bochum University, Germany, 1991).

W. C. Martin and R. R. Zalubas, “Energy levels of sodium, Na I through Na XI,” Phys. Chem. Ref. Data 10, 153–195 (1981).

V. Kaufman and W. C. Martin, “Wavelengths and energy level classifications of magnesium spectra for all stages of ionization (Mg I through Mg XII),” Phys. Chem. Ref. Data 20, 83–152 (1991).

R. D. Cowan, The Theory of Atomic Structure and Spectra, Los Alamos Series in Basic and Applied Sciences (U. California Press, Berkeley, Calif., 1981).

W. C. Martin, V. Kaufman, and A. Musgrove, “A compilation of energy levels and wavelengths for the spectrum of singly-ionized oxygen (O II),” Phys. Chem. Ref. Data 22, 1179–1212 (1993).

S. Lindeberg, UUIP-758, 759, and 760, internal reports of Uppsala University, Uppsala University, Sweden (personal communication, 1972).

B. Warner, in Classical Novae, M. F. Bode and A. Evans, eds. (Wiley, New York, 1989).

T. Bastin, E. Biémont, P.-D. Dumont, H. P. Garnir, M. J. Krenzer, H. Bukow, and A. E. Kramida, “The spectrum of Ne V,” Phys. Scr. (to be published).

M. J. Krenzer, “Untersuchung der Termsysteme von Ne IV und Ne V auf der Basis von Spektroskopishen Messungen im VUV,” Ph.D. dissertation (Bochum University, Germany, 1992).

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Figures (8)

Fig. 1
Fig. 1

Comparison of the Ne spectra (in the range 565–615 Å) registered at 1.2 and 2.5 MeV, respectively.

Fig. 2
Fig. 2

Charge-state fraction of Ne ions as a function of the beam energy after the foil. The curves are obtained from the results of Refs. 26-28.

Fig. 3
Fig. 3

Relative populations of the 4l configurations.

Fig. 4
Fig. 4

Behavior of the 3s 2S1/2 level along the nitrogen sequence. The differences, Δ (in cm-1), between experimental and calculated HFR values are plotted for the ions O II to Mg VI.

Fig. 5
Fig. 5

Behavior of the 3d 2D5/2 level along the nitrogen sequence. The differences, Δ (in cm-1), between experimental and calculated HFR values are plotted for the ions O II to Mg VI.

Fig. 6
Fig. 6

Behavior of the 4p 4P5/20 level along the nitrogen sequence. The differences, Δ (in cm-1), between experimental and calculated HFR values are plotted for the ions N I to Ne IV.

Fig. 7
Fig. 7

Isoelectronic behavior of the 4d 4F9/2 level. The differences, Δ (in cm-1), between experimental and calculated HFR values are plotted for the ions N I to Ne IV.

Fig. 8
Fig. 8

Isoelectronic behavior of the 4f 2[5]11/20 level for the ions N I to Ne IV. The energy shifts, Δ (in cm-1), correspond to the differences between HFR and experimental energies.

Tables (6)

Tables Icon

Table 1 Ne IV Observed Transitions in the 450–1100-Å Spectral Range

Tables Icon

Table 2 Levels of the 2p2(3P)4s Configuration

Tables Icon

Table 3 Levels of the 2p2(3P)4p Configuration

Tables Icon

Table 4 Levels of the 2p2(3P)4d Configuration

Tables Icon

Table 5 Levels of the 2p2(1D)4d Configuration

Tables Icon

Table 6 Levels of the Configuration 2p2(3P)4f

Equations (1)

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I=αf(λ)NgA,

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