Abstract

Radiative mean lives have been measured for six terms in C II, seven terms in C III, and two terms in in C rv using the beam-foil technique.

© 1978 Optical Society of America

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  1. E. H. Pinnington, D. J. G. Irwin, A. E. Livingston, and J. A. Kerna-han, "Mean-life measurements for some energy levels of OI-O VI," Can. J. Phys. 52,1961–1970 (1974).
  2. D. J. G. Irwin and A. E. Livingston, "Beam-foil spectroscopy of sulfur in the vacuum ultraviolet," Can. J. Phys. 54,805–815 (1976).
  3. D. J. G. Irwin and A. E. Livingston, "A program for the extraction of radiative lifetimes from experimental beam-foil intensity data," Comput. Phys. Commun. 7,95–113 (1974).
  4. M. C. Poulizac and J. P. Buchet, "Beam-foil spectroscopy of carbon in the vacuum ultraviolet," Phys. Scr. 4,191–194 (1971).
  5. M. C. Buchet-Poulizac and J. P. Buchet, "Lifetime measurements of carbon in the extreme ultraviolet," Phys. Scr. 8,40–42 (1973).
  6. M. C. Buchet-Poulizac, Thesis, Docteur Es-Sciences Physiques, Université de Lyon I, Lyon, France (1974).
  7. R. L. Kurucz and E. Peytremann, Smithsonian Astrophysical Laboratory Special Report No. 362 (1975).
  8. D. L. Mickey, "Lifetime measurements in C I, CII and C III," Nucl. Instrum. Methods 90,77-79 (1970).
  9. H. Nussbaumer, private communication to Buchet-Poulizac and Buchet in Ref. 5.
  10. H. Friedrich and E. Trefftz, private communication to Buchet-Poulizac in Ref. 6.
  11. I. Martinson and W. S. Bickel, "Mean lives of some excited levels in C II-C V", Phys. Lett. A 31, 25–26 (1970).
  12. L. Heroux, "Radiative lifetimes for uv multiplets of CII and C III," Phys. Rev. 180,1–5 (1969).
  13. A. W Weiss, "Superposition of configurations and atomic oscillator strengths—boron isoelectronic sequence," Phys. Rev. 188,119–130 (1969).
  14. D. J. Pegg, L. W. Dotchin, and E. L. Chupp, "Radiative mean lives of some electronic terms in atomic and ionic carbon," Phys. Lett. A 31,501–502 (1970).
  15. C. A. Nicolaides, "Oscillator strengths in first row neutral, singly and doubly ionized atoms: comparison of recent theoretical and experimental values," Chem. Phys. Lett. 21, 242-245 (1973).
  16. G. M. Lawrence and B. D. Savage, "Radiative lifetimes of uv multiplets in boron, carbon and nitrogen," Phys. Rev. 141, 67–70 (1966).
  17. J. Bromander, R. Buchta, and L. Lundin, "Mean lives of excited terms in beryllium, boron and carbon measured from multiplets in the vacuum ultraviolet region," Phys. Lett. A 29, 523–524(1969).
  18. H. Nussbaumer, "Spectral lines in the Be I isoelectronic sequence," Astron. Astrophys. 16,77–80 (1972).
  19. H. Pfennig, R. Steele, and E. Trefftz, "Wave functions and oscillator strengths of Be-like ions (Be I, C III, N IV, O V)," J. Quant. Spec-trosc. Radiat. Transfer 5,335–357 (1965).
  20. D. G. Hummer and D. W. Norcross, "Light ions of astrophysical interest—radiative transition probabilities for C III, NIV, O V and Ne VII," Mon. Not. R. Astron. Soc. 168,263–272 (1974).
  21. L. J. Curtis, H. G. Berry, and J. Bromander, "Analysis of multiex-ponential decay curves," Phys. Scr. 2, 216–220 (1970).
  22. J. A. Kernahan, A. E. Livingston, and E. H. Pinnington, "Beam-foil mean life measurements of levels in N I-N V," Can. J. Phys. 52,1895–1902 (1974).
  23. J. P. Buchet, M. C. Poulizac, and M. Carre, "Beam-foil study of nitrogen in the vacuum ultraviolet," J. Opt Soc. Am. 62, 623–626(1972).
  24. L. Heroux, "Radiative lifetimes for uv multiplets of N II through N V," Phys. Rev. 153,156–163 (1967).
  25. E. H. Pinnington, K. E. Donnelly, and J. A. Kernahan, "Beam-foil spectros copy of oxygen in the wavelength region from 270 A to 490 A," Can. J. Phys. (in press).
  26. J. P. Buchet, M. C. Buchet-Poulizac, and M. Druetta, "Life-time measurements in O VI, O V and OIV between 100 and 1700 A," J.Opt. Soc. Am. 66,842–845 (1976).
  27. H. Muhlethaler, private communication to Buchet et al. in Ref. 26(1976).
  28. J. P. Buchet and M. Druetta, "Beam-foil spectroscopy of neon between 80 and 350 A," J. Opt. Soc. Am. 65,991–994 (1975).

1976 (2)

D. J. G. Irwin and A. E. Livingston, "Beam-foil spectroscopy of sulfur in the vacuum ultraviolet," Can. J. Phys. 54,805–815 (1976).

J. P. Buchet, M. C. Buchet-Poulizac, and M. Druetta, "Life-time measurements in O VI, O V and OIV between 100 and 1700 A," J.Opt. Soc. Am. 66,842–845 (1976).

1975 (1)

1974 (4)

D. J. G. Irwin and A. E. Livingston, "A program for the extraction of radiative lifetimes from experimental beam-foil intensity data," Comput. Phys. Commun. 7,95–113 (1974).

E. H. Pinnington, D. J. G. Irwin, A. E. Livingston, and J. A. Kerna-han, "Mean-life measurements for some energy levels of OI-O VI," Can. J. Phys. 52,1961–1970 (1974).

D. G. Hummer and D. W. Norcross, "Light ions of astrophysical interest—radiative transition probabilities for C III, NIV, O V and Ne VII," Mon. Not. R. Astron. Soc. 168,263–272 (1974).

J. A. Kernahan, A. E. Livingston, and E. H. Pinnington, "Beam-foil mean life measurements of levels in N I-N V," Can. J. Phys. 52,1895–1902 (1974).

1973 (2)

C. A. Nicolaides, "Oscillator strengths in first row neutral, singly and doubly ionized atoms: comparison of recent theoretical and experimental values," Chem. Phys. Lett. 21, 242-245 (1973).

M. C. Buchet-Poulizac and J. P. Buchet, "Lifetime measurements of carbon in the extreme ultraviolet," Phys. Scr. 8,40–42 (1973).

1972 (2)

H. Nussbaumer, "Spectral lines in the Be I isoelectronic sequence," Astron. Astrophys. 16,77–80 (1972).

J. P. Buchet, M. C. Poulizac, and M. Carre, "Beam-foil study of nitrogen in the vacuum ultraviolet," J. Opt Soc. Am. 62, 623–626(1972).

1971 (1)

M. C. Poulizac and J. P. Buchet, "Beam-foil spectroscopy of carbon in the vacuum ultraviolet," Phys. Scr. 4,191–194 (1971).

1970 (4)

D. J. Pegg, L. W. Dotchin, and E. L. Chupp, "Radiative mean lives of some electronic terms in atomic and ionic carbon," Phys. Lett. A 31,501–502 (1970).

D. L. Mickey, "Lifetime measurements in C I, CII and C III," Nucl. Instrum. Methods 90,77-79 (1970).

I. Martinson and W. S. Bickel, "Mean lives of some excited levels in C II-C V", Phys. Lett. A 31, 25–26 (1970).

L. J. Curtis, H. G. Berry, and J. Bromander, "Analysis of multiex-ponential decay curves," Phys. Scr. 2, 216–220 (1970).

1969 (3)

L. Heroux, "Radiative lifetimes for uv multiplets of CII and C III," Phys. Rev. 180,1–5 (1969).

A. W Weiss, "Superposition of configurations and atomic oscillator strengths—boron isoelectronic sequence," Phys. Rev. 188,119–130 (1969).

J. Bromander, R. Buchta, and L. Lundin, "Mean lives of excited terms in beryllium, boron and carbon measured from multiplets in the vacuum ultraviolet region," Phys. Lett. A 29, 523–524(1969).

1967 (1)

L. Heroux, "Radiative lifetimes for uv multiplets of N II through N V," Phys. Rev. 153,156–163 (1967).

1966 (1)

G. M. Lawrence and B. D. Savage, "Radiative lifetimes of uv multiplets in boron, carbon and nitrogen," Phys. Rev. 141, 67–70 (1966).

1965 (1)

H. Pfennig, R. Steele, and E. Trefftz, "Wave functions and oscillator strengths of Be-like ions (Be I, C III, N IV, O V)," J. Quant. Spec-trosc. Radiat. Transfer 5,335–357 (1965).

Berry, H. G.

L. J. Curtis, H. G. Berry, and J. Bromander, "Analysis of multiex-ponential decay curves," Phys. Scr. 2, 216–220 (1970).

Bickel, W. S.

I. Martinson and W. S. Bickel, "Mean lives of some excited levels in C II-C V", Phys. Lett. A 31, 25–26 (1970).

Bromander, J.

L. J. Curtis, H. G. Berry, and J. Bromander, "Analysis of multiex-ponential decay curves," Phys. Scr. 2, 216–220 (1970).

J. Bromander, R. Buchta, and L. Lundin, "Mean lives of excited terms in beryllium, boron and carbon measured from multiplets in the vacuum ultraviolet region," Phys. Lett. A 29, 523–524(1969).

Buchet, J. P.

J. P. Buchet, M. C. Buchet-Poulizac, and M. Druetta, "Life-time measurements in O VI, O V and OIV between 100 and 1700 A," J.Opt. Soc. Am. 66,842–845 (1976).

J. P. Buchet and M. Druetta, "Beam-foil spectroscopy of neon between 80 and 350 A," J. Opt. Soc. Am. 65,991–994 (1975).

M. C. Buchet-Poulizac and J. P. Buchet, "Lifetime measurements of carbon in the extreme ultraviolet," Phys. Scr. 8,40–42 (1973).

J. P. Buchet, M. C. Poulizac, and M. Carre, "Beam-foil study of nitrogen in the vacuum ultraviolet," J. Opt Soc. Am. 62, 623–626(1972).

M. C. Poulizac and J. P. Buchet, "Beam-foil spectroscopy of carbon in the vacuum ultraviolet," Phys. Scr. 4,191–194 (1971).

Buchet-Poulizac, M. C.

J. P. Buchet, M. C. Buchet-Poulizac, and M. Druetta, "Life-time measurements in O VI, O V and OIV between 100 and 1700 A," J.Opt. Soc. Am. 66,842–845 (1976).

M. C. Buchet-Poulizac and J. P. Buchet, "Lifetime measurements of carbon in the extreme ultraviolet," Phys. Scr. 8,40–42 (1973).

M. C. Buchet-Poulizac, Thesis, Docteur Es-Sciences Physiques, Université de Lyon I, Lyon, France (1974).

Buchta, R.

J. Bromander, R. Buchta, and L. Lundin, "Mean lives of excited terms in beryllium, boron and carbon measured from multiplets in the vacuum ultraviolet region," Phys. Lett. A 29, 523–524(1969).

Carre, M.

J. P. Buchet, M. C. Poulizac, and M. Carre, "Beam-foil study of nitrogen in the vacuum ultraviolet," J. Opt Soc. Am. 62, 623–626(1972).

Chupp, E. L.

D. J. Pegg, L. W. Dotchin, and E. L. Chupp, "Radiative mean lives of some electronic terms in atomic and ionic carbon," Phys. Lett. A 31,501–502 (1970).

Curtis, L. J.

L. J. Curtis, H. G. Berry, and J. Bromander, "Analysis of multiex-ponential decay curves," Phys. Scr. 2, 216–220 (1970).

Donnelly, K. E.

E. H. Pinnington, K. E. Donnelly, and J. A. Kernahan, "Beam-foil spectros copy of oxygen in the wavelength region from 270 A to 490 A," Can. J. Phys. (in press).

Dotchin, L. W.

D. J. Pegg, L. W. Dotchin, and E. L. Chupp, "Radiative mean lives of some electronic terms in atomic and ionic carbon," Phys. Lett. A 31,501–502 (1970).

Druetta, M.

J. P. Buchet, M. C. Buchet-Poulizac, and M. Druetta, "Life-time measurements in O VI, O V and OIV between 100 and 1700 A," J.Opt. Soc. Am. 66,842–845 (1976).

J. P. Buchet and M. Druetta, "Beam-foil spectroscopy of neon between 80 and 350 A," J. Opt. Soc. Am. 65,991–994 (1975).

Friedrich, H.

H. Friedrich and E. Trefftz, private communication to Buchet-Poulizac in Ref. 6.

Heroux, L.

L. Heroux, "Radiative lifetimes for uv multiplets of CII and C III," Phys. Rev. 180,1–5 (1969).

L. Heroux, "Radiative lifetimes for uv multiplets of N II through N V," Phys. Rev. 153,156–163 (1967).

Hummer, D. G.

D. G. Hummer and D. W. Norcross, "Light ions of astrophysical interest—radiative transition probabilities for C III, NIV, O V and Ne VII," Mon. Not. R. Astron. Soc. 168,263–272 (1974).

Irwin, D. J. G.

D. J. G. Irwin and A. E. Livingston, "Beam-foil spectroscopy of sulfur in the vacuum ultraviolet," Can. J. Phys. 54,805–815 (1976).

E. H. Pinnington, D. J. G. Irwin, A. E. Livingston, and J. A. Kerna-han, "Mean-life measurements for some energy levels of OI-O VI," Can. J. Phys. 52,1961–1970 (1974).

D. J. G. Irwin and A. E. Livingston, "A program for the extraction of radiative lifetimes from experimental beam-foil intensity data," Comput. Phys. Commun. 7,95–113 (1974).

Kerna- han, J. A.

E. H. Pinnington, D. J. G. Irwin, A. E. Livingston, and J. A. Kerna-han, "Mean-life measurements for some energy levels of OI-O VI," Can. J. Phys. 52,1961–1970 (1974).

Kernahan, J. A.

J. A. Kernahan, A. E. Livingston, and E. H. Pinnington, "Beam-foil mean life measurements of levels in N I-N V," Can. J. Phys. 52,1895–1902 (1974).

E. H. Pinnington, K. E. Donnelly, and J. A. Kernahan, "Beam-foil spectros copy of oxygen in the wavelength region from 270 A to 490 A," Can. J. Phys. (in press).

Kurucz, R. L.

R. L. Kurucz and E. Peytremann, Smithsonian Astrophysical Laboratory Special Report No. 362 (1975).

Lawrence, G. M.

G. M. Lawrence and B. D. Savage, "Radiative lifetimes of uv multiplets in boron, carbon and nitrogen," Phys. Rev. 141, 67–70 (1966).

Livingston, A. E.

D. J. G. Irwin and A. E. Livingston, "Beam-foil spectroscopy of sulfur in the vacuum ultraviolet," Can. J. Phys. 54,805–815 (1976).

E. H. Pinnington, D. J. G. Irwin, A. E. Livingston, and J. A. Kerna-han, "Mean-life measurements for some energy levels of OI-O VI," Can. J. Phys. 52,1961–1970 (1974).

J. A. Kernahan, A. E. Livingston, and E. H. Pinnington, "Beam-foil mean life measurements of levels in N I-N V," Can. J. Phys. 52,1895–1902 (1974).

D. J. G. Irwin and A. E. Livingston, "A program for the extraction of radiative lifetimes from experimental beam-foil intensity data," Comput. Phys. Commun. 7,95–113 (1974).

Lundin, L.

J. Bromander, R. Buchta, and L. Lundin, "Mean lives of excited terms in beryllium, boron and carbon measured from multiplets in the vacuum ultraviolet region," Phys. Lett. A 29, 523–524(1969).

Martinson, I.

I. Martinson and W. S. Bickel, "Mean lives of some excited levels in C II-C V", Phys. Lett. A 31, 25–26 (1970).

Mickey, D. L.

D. L. Mickey, "Lifetime measurements in C I, CII and C III," Nucl. Instrum. Methods 90,77-79 (1970).

Mühlethaler, H.

H. Muhlethaler, private communication to Buchet et al. in Ref. 26(1976).

Nicolaides, C. A.

C. A. Nicolaides, "Oscillator strengths in first row neutral, singly and doubly ionized atoms: comparison of recent theoretical and experimental values," Chem. Phys. Lett. 21, 242-245 (1973).

Norcross, D. W.

D. G. Hummer and D. W. Norcross, "Light ions of astrophysical interest—radiative transition probabilities for C III, NIV, O V and Ne VII," Mon. Not. R. Astron. Soc. 168,263–272 (1974).

Nussbaumer, H.

H. Nussbaumer, "Spectral lines in the Be I isoelectronic sequence," Astron. Astrophys. 16,77–80 (1972).

H. Nussbaumer, private communication to Buchet-Poulizac and Buchet in Ref. 5.

Pegg, D. J.

D. J. Pegg, L. W. Dotchin, and E. L. Chupp, "Radiative mean lives of some electronic terms in atomic and ionic carbon," Phys. Lett. A 31,501–502 (1970).

Peytremann, E.

R. L. Kurucz and E. Peytremann, Smithsonian Astrophysical Laboratory Special Report No. 362 (1975).

Pfennig, H.

H. Pfennig, R. Steele, and E. Trefftz, "Wave functions and oscillator strengths of Be-like ions (Be I, C III, N IV, O V)," J. Quant. Spec-trosc. Radiat. Transfer 5,335–357 (1965).

Pinnington, E. H.

E. H. Pinnington, D. J. G. Irwin, A. E. Livingston, and J. A. Kerna-han, "Mean-life measurements for some energy levels of OI-O VI," Can. J. Phys. 52,1961–1970 (1974).

J. A. Kernahan, A. E. Livingston, and E. H. Pinnington, "Beam-foil mean life measurements of levels in N I-N V," Can. J. Phys. 52,1895–1902 (1974).

E. H. Pinnington, K. E. Donnelly, and J. A. Kernahan, "Beam-foil spectros copy of oxygen in the wavelength region from 270 A to 490 A," Can. J. Phys. (in press).

Poulizac, M. C.

J. P. Buchet, M. C. Poulizac, and M. Carre, "Beam-foil study of nitrogen in the vacuum ultraviolet," J. Opt Soc. Am. 62, 623–626(1972).

M. C. Poulizac and J. P. Buchet, "Beam-foil spectroscopy of carbon in the vacuum ultraviolet," Phys. Scr. 4,191–194 (1971).

Savage, B. D.

G. M. Lawrence and B. D. Savage, "Radiative lifetimes of uv multiplets in boron, carbon and nitrogen," Phys. Rev. 141, 67–70 (1966).

Steele, R.

H. Pfennig, R. Steele, and E. Trefftz, "Wave functions and oscillator strengths of Be-like ions (Be I, C III, N IV, O V)," J. Quant. Spec-trosc. Radiat. Transfer 5,335–357 (1965).

Trefftz, E.

H. Pfennig, R. Steele, and E. Trefftz, "Wave functions and oscillator strengths of Be-like ions (Be I, C III, N IV, O V)," J. Quant. Spec-trosc. Radiat. Transfer 5,335–357 (1965).

H. Friedrich and E. Trefftz, private communication to Buchet-Poulizac in Ref. 6.

Weiss, A. W.

A. W Weiss, "Superposition of configurations and atomic oscillator strengths—boron isoelectronic sequence," Phys. Rev. 188,119–130 (1969).

Astron. Astrophys. (1)

H. Nussbaumer, "Spectral lines in the Be I isoelectronic sequence," Astron. Astrophys. 16,77–80 (1972).

Can. J. Phys. (2)

E. H. Pinnington, D. J. G. Irwin, A. E. Livingston, and J. A. Kerna-han, "Mean-life measurements for some energy levels of OI-O VI," Can. J. Phys. 52,1961–1970 (1974).

D. J. G. Irwin and A. E. Livingston, "Beam-foil spectroscopy of sulfur in the vacuum ultraviolet," Can. J. Phys. 54,805–815 (1976).

Chem. Phys. Lett. (1)

C. A. Nicolaides, "Oscillator strengths in first row neutral, singly and doubly ionized atoms: comparison of recent theoretical and experimental values," Chem. Phys. Lett. 21, 242-245 (1973).

Comput. Phys. Commun. (1)

D. J. G. Irwin and A. E. Livingston, "A program for the extraction of radiative lifetimes from experimental beam-foil intensity data," Comput. Phys. Commun. 7,95–113 (1974).

J. Opt. Soc. Am. (1)

J. P. Buchet, M. C. Buchet-Poulizac, and M. Druetta, "Life-time measurements in O VI, O V and OIV between 100 and 1700 A," J.Opt. Soc. Am. 66,842–845 (1976).

J. Opt Soc. Am. (1)

J. P. Buchet, M. C. Poulizac, and M. Carre, "Beam-foil study of nitrogen in the vacuum ultraviolet," J. Opt Soc. Am. 62, 623–626(1972).

J. Opt. Soc. Am. (1)

J. Quant. Spec- trosc. Radiat. Transfer (1)

H. Pfennig, R. Steele, and E. Trefftz, "Wave functions and oscillator strengths of Be-like ions (Be I, C III, N IV, O V)," J. Quant. Spec-trosc. Radiat. Transfer 5,335–357 (1965).

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

D. G. Hummer and D. W. Norcross, "Light ions of astrophysical interest—radiative transition probabilities for C III, NIV, O V and Ne VII," Mon. Not. R. Astron. Soc. 168,263–272 (1974).

Nucl. Instrum. Methods (1)

D. L. Mickey, "Lifetime measurements in C I, CII and C III," Nucl. Instrum. Methods 90,77-79 (1970).

Phys. Lett. A (3)

I. Martinson and W. S. Bickel, "Mean lives of some excited levels in C II-C V", Phys. Lett. A 31, 25–26 (1970).

D. J. Pegg, L. W. Dotchin, and E. L. Chupp, "Radiative mean lives of some electronic terms in atomic and ionic carbon," Phys. Lett. A 31,501–502 (1970).

J. Bromander, R. Buchta, and L. Lundin, "Mean lives of excited terms in beryllium, boron and carbon measured from multiplets in the vacuum ultraviolet region," Phys. Lett. A 29, 523–524(1969).

Phys. Rev. (4)

G. M. Lawrence and B. D. Savage, "Radiative lifetimes of uv multiplets in boron, carbon and nitrogen," Phys. Rev. 141, 67–70 (1966).

L. Heroux, "Radiative lifetimes for uv multiplets of CII and C III," Phys. Rev. 180,1–5 (1969).

A. W Weiss, "Superposition of configurations and atomic oscillator strengths—boron isoelectronic sequence," Phys. Rev. 188,119–130 (1969).

L. Heroux, "Radiative lifetimes for uv multiplets of N II through N V," Phys. Rev. 153,156–163 (1967).

Phys. Scr. (3)

M. C. Poulizac and J. P. Buchet, "Beam-foil spectroscopy of carbon in the vacuum ultraviolet," Phys. Scr. 4,191–194 (1971).

M. C. Buchet-Poulizac and J. P. Buchet, "Lifetime measurements of carbon in the extreme ultraviolet," Phys. Scr. 8,40–42 (1973).

L. J. Curtis, H. G. Berry, and J. Bromander, "Analysis of multiex-ponential decay curves," Phys. Scr. 2, 216–220 (1970).

Other (7)

J. A. Kernahan, A. E. Livingston, and E. H. Pinnington, "Beam-foil mean life measurements of levels in N I-N V," Can. J. Phys. 52,1895–1902 (1974).

M. C. Buchet-Poulizac, Thesis, Docteur Es-Sciences Physiques, Université de Lyon I, Lyon, France (1974).

R. L. Kurucz and E. Peytremann, Smithsonian Astrophysical Laboratory Special Report No. 362 (1975).

H. Nussbaumer, private communication to Buchet-Poulizac and Buchet in Ref. 5.

H. Friedrich and E. Trefftz, private communication to Buchet-Poulizac in Ref. 6.

E. H. Pinnington, K. E. Donnelly, and J. A. Kernahan, "Beam-foil spectros copy of oxygen in the wavelength region from 270 A to 490 A," Can. J. Phys. (in press).

H. Muhlethaler, private communication to Buchet et al. in Ref. 26(1976).

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