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Journal of the Optical Society of America

Journal of the Optical Society of America

  • Vol. 68, Iss. 7 — Jul. 1, 1978
  • pp: 998–1000

Beam-foil measurements of mean lives in B iv and B v below 450 Å

D. J. Donahue, L. C. Mclntyre, Jr., and P. Rathmann  »View Author Affiliations


JOSA, Vol. 68, Issue 7, pp. 998-1000 (1978)
http://dx.doi.org/10.1364/JOSA.68.000998


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Abstract

Mean lives of eight terms in B IV and three in B V have been measured using the techniques of beam-foil spectroscopy. The terms in B IV and the measured mean lives are (in picoseconds): ls2p1p0, <5; ls4d1D, 117 ± 16; ls3d1D, 63 ± 3; ls3s1S, 393 ± 4; ls4d3D, 131 ± 8; ls3p3P0, 222 ± 4; 1s3d3D, 59 ± 3; ls3s3S, 474 ± 28. These results and those for B V are compared with theory and previous experimental results.

© 1978 Optical Society of America

Citation
D. J. Donahue, L. C. Mclntyre, Jr., and P. Rathmann, "Beam-foil measurements of mean lives in B iv and B v below 450 Å," J. Opt. Soc. Am. 68, 998-1000 (1978)
http://www.opticsinfobase.org/josa/abstract.cfm?URI=josa-68-7-998


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References

  1. J. P. Buchet and M. C. Buchet-Poulizac, "Beam-foil study of boron in the far ultraviolet," J. Opt. Soc. Am. 63,243–244 (1973).
  2. P. R. Bevington, Data Reduction and Error Analysis for the Physical Sciences (McGraw-Hill, New York, 1969).
  3. J. P. Buchet, "Etude, au moyen de faisceaux d'ions accélérés, des éléments légers (Z ≤ 10) fortement ionisés: spectres dans l’UV lointain, durées de vie radiatives et fories d’oscillateur," thèse (L’Universite Claude Bernard, Lyon, France, 1976) (unpublished).
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  8. M. Eidelsberg, "The spectrum and term system of helium-like boron, B IV," J. Phys. B 7,1476–1485 (1974).
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