Abstract
Using level crossing techniques the fine-structure splittings and tensor polarizabilities of the 1snd 3 D levels of He I withn=3 to 7 have been measured. For excitation we used 35 keV He+-He collisions. Magneticand electric fields perpendicular to the ion beam have been applied to the target volume. In this way level crossing signals overlapping if as usually a pure magnetic-field splitting is investigated could be shifted and separated. From these measurements precision values of the large fine-structure interval (n 3 D 1−n 3 D 2), of the small one (n 3 D 2−n 3 D 3), and of the tensor polarizabilities have been determined.
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Bethe, H.A., Salpeter, E.E.: Handbuch der Physik. Vol. 35. Berlin, Göttingen, Heidelberg: Springer-Verlag 1957
Franken, P.A.: Phys. Rev.121, 508 (1961)
Descoubes, J.P.: Thesis (1967) E.N.S. Paris
Tam, A.C.: Phys. Rev. A12, 539 (1975)
Kaul, R.D.: J. Opt. Soc. Am.58, 429 (1968)
Berry, H.G., Subtil, J.L., Carre, M.: J. Phys. (Paris)33, 947 (1972)
Astner, G., Curtis, L.J., Liljeby, L., Mannervik, S., Martinson, I.: J. Phys. B: At. Mol. Phys. B9, L345 (1976)
Farley, J.W., Mac Adam, K.B., Wing, W.H.: Phys. Rev. A20, 1754 (1979)
Van den Eynde, R.K., Wiebes, G., Niemeyer, Th.: Physica59, 401 (1972)
Parish, R.M., Mires, R.W.: Phys. Rev. A4, 2145 (1971)
Chang, T.N., Poe, R.T.: Phys. Rev. A14, 11 (1976)
Cok, D.R., Lundeen, S.R.: Phys. Rev. A19, 1830 (1979)
Oppen, G.v., Perschmann, W.-D., Szostak, D.: Z. Phys. A — Atoms and Nuclei286, 243 (1978)
Oppen, G.v., Popp, H.W.: Physica63, 104 (1973)
Wieder, I., Lamb, W.E.: Phys. Rev.107, 125 (1957)
Angel, J.R.P., Sandars, P.G.H.: Proc. R. Soc. London Ser. A305, 125 (1968)
Oppen, G.v.: Physica75, 133 (1974)
Blum, K.: Progress in atomic spectroscopy. Hanle, W., Kleinpoppen, H. (eds.), Part A, p. 71. New York, London: Plenum Press 1978
Oppen, G.v.: Physica80C 559 (1975)
Dily, D., Descoubes, J.P.: C.R. Acad. Sci. Paris B272, 1182 (1971)
Bates, D.R., Damgaard, A.: Philos. Trans. R. Soc. London Ser. A242, 101 (1949)
Martin, W.C.: J. Phys. Chem. Ref. Data2, 257 (1973)
Szostak, D., Oppen, G.v., Perschmann, W.-D.: Phys. Lett.76A 376 (1980)
Derouard, J., Jost, R., Lombardi, M., Miller, T.A., Freund, R.S.: Phys. Rev. A14, 1025 (1976)
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A detailed report of this work is given in the Doctoral Dissertation of W.-D. Perschmann, D 83, Technische Universität Berlin, 1982.
This work was supported by the Deutsche Forschungsgemeinschaft, Sonderforschungsbereich 161.
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Perschmann, W.D., von Oppen, G. & Szostak, D. Fine-structure and tensor polarizabilities of 1snd 3 D levels of He I (n=3 to 7). Z Physik A 311, 49–56 (1983). https://doi.org/10.1007/BF01411606
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DOI: https://doi.org/10.1007/BF01411606