Skip to main content
Log in

Crossed-second-order effects in the isotope shift for170–166Er and168–166Er in the configuration 4f 12 6s 2

  • Published:
Zeitschrift für Physik D Atoms, Molecules and Clusters

Abstract

High resolution interference and intermodulated optogalvanic saturation spectroscopy has been applied for isotope shift (IS) studies in the ground-configuration 4f 12 6s 2 of ErI. For the isotope pairs170–166Er and168–166Er the results confirm a strongJ- and term dependence of the IS caused through crossed-second-order (CSO) effects. We performed a parametric analysis to evaluate the CSO-parametersz 4f for the interpretation of theJ-dependence andT(3 H),T(3 F),T(1 G) to describe the term dependence. The following parameter values (in MHz) were determined, for170–166Er:z 4f =40.1(0.6),T(3 F)=−153(5),T(3 H)=−220(6), andT(1 G)=−79(4); for168–166Er:z 4f =20.1(0.7),T(3 F)=−77(6),T(3 H)=−111(7), andT(1 G) =−43(5). The normalization of these parameters with the corresponding nuclear parameters λ for both isotope pairs leads to almost identical parameter values indicating a dominant influence of the field shift effect in second-order for thez 4f parameter and in third-order for the parametersT(3 F),T(3 H), andT(1 G).

This is a preview of subscription content, log in via an institution to check access.

Access this article

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Similar content being viewed by others

References

  1. Kronfeldt, H.-D., Seifert, P.: Z. Phys. D — Atoms, Molecules and Clusters8, 11 (1988)

    Google Scholar 

  2. Kronfeldt, H.-D., Klemz, G., Weber, D.-J.: Z. Phys. D — Atoms, Molecules and Clusters10, 103 (1988)

    Google Scholar 

  3. Seifert, P., Weber, D.-J., Kronfeldt, H.-D., Winkler, R.: Z. Phys. D — Atoms, Molecules and Clusters14, 99 (1989)

    Google Scholar 

  4. Kronfeldt, H.-D., Sinn, G.: Z. Phys. D — Atoms, Molecules and Clusters14, 205 (1989)

    Google Scholar 

  5. Kronfeldt, H.-D., Klemz, G., Weber, D.-J.: J. Phys. B23, 1107 (1990)

    Google Scholar 

  6. Kronfeldt, H.-D., Klemz, G.: Z. Phys. D — Atoms, Molecules and Clusters18, 131 (1991)

    Google Scholar 

  7. Kronfeldt, H.-D., Weber, D.-J.: Phys. Rev. A43, 4837 (1991)

    Google Scholar 

  8. Heilig, K.: Spectrochim. Acta42B, 1237 (1987) — and update Part IV; (Private communication)

  9. Bauche, J., Champeau, R.-J.: Adv. At. Mol. Phys.12, 39 (1976)

    Google Scholar 

  10. Aufmuth, P., Steudel, A., Wöbker, E.: J. Phys. B21, 2237 (1988)

    Google Scholar 

  11. Sawatzky, G., Winkler, R.: Z. Phys. D — Atoms, Molecules and Clusters14, 9 (1989)

    Google Scholar 

  12. Kronfeldt, H.-D., Kropp, J.-R., Winkler, R.: J. Opt. Soc. Am. B1, 293 (1984)

    Google Scholar 

  13. Pfeufer, V., Childs, W.J., Goodman, L.S.: J. Phys. B16, L557 (1983)

  14. Ross, J.S.: J. Opt. Soc. Am.62, 548 (1972)

    Google Scholar 

  15. Miller, G.E., Ross, J.S.: J. Opt. Soc. Am.66, 585 (1976)

    Google Scholar 

  16. Rao, P.M., Venugopalan, A., Ahmad, S.A., Saksena, G.D.: Indian J. Pure Appl. Phys.23, 208 (1985)

    Google Scholar 

  17. Kronfeldt, H.-D., Ashkenasi, D.: Laser Spectroscopy X, Ducloy, M., Giacobino, E., Camy, G. (eds.), London: World Scientific 1992, (in press)

    Google Scholar 

  18. Ashkenasi, D., Klemz, G., Kronfeldt, H.-D.: Optogalvanic spectroscopy, IOP publishing, Stewart, R.S., Lawler, J.E. (eds.), Inst. Phys. Conf. Ser. No. 113: Section 9, Bristol 289 (1991)

  19. Childs, W.J., Goodman, L.S., Pfeufer, V.: Phys. Rev. A28, 3402 (1983)

    Google Scholar 

  20. Martin, W.C., Zalubas, R., Hagen, L.: Atomic Energy Levels — The Rare-Earth Elements, Natl. Bur. Stand. Ref. Ser., Natl. Bur. Stand. (U.S.) No. 60, Martin, W.C., Zalubas, R., Hagen, L. (eds.) (U.S. GPO, Washington, DC, 1978)

  21. Held, S., Spector, N.: Israel Atomic Energy Commission, Soreq. Nuc. Res. Centre, IA-1354-T (1980) and IA-1385, IA-1385-T (1983)

  22. Bauche, J., Keller, J.-C.: Phys. Lett.36A, 211 (1971)

    Google Scholar 

  23. Keller, J.-C.: J. Phys. B6, 1771 (1973)

    Google Scholar 

  24. Aufmuth, P., Heilig, K., Steudel, A.: At. Data Nucl. Data Tables37, 455 (1987)

    Google Scholar 

  25. Jin, W.G., Horiguchi, T., Wakasugi, M., Yoshizawa, Y.: J. Phys. Soc. Jpn.59, 3148 (1990)

    Google Scholar 

  26. Brüggemeyer, H.: Thesis, University Hannover (1987)

  27. Bernard, A.: Thesis, University Hannover (1990)

  28. Bauche, J., Champeau, R.-J., Sallot, C.: J. Phys. A10, 2049 (1977)

    Google Scholar 

  29. New, R., Griffith, J.A.R., Isaak, G.R., Ralls, M.P.: J. Phys. B14, L135 (1981)

  30. Pfeufer, V., Childs, W.J., Goodman, L.S.: J. Opt. Soc. Am. B1, 34 (1984)

    Google Scholar 

  31. Aufmuth, P.: Z. Phys. A — Atoms and Nuclei286, 235, (1978)

    Google Scholar 

Download references

Author information

Authors and Affiliations

Authors

Rights and permissions

Reprints and permissions

About this article

Cite this article

Kronfeldt, H.D., Ashkenasi, D. & Nikseresht, H.M. Crossed-second-order effects in the isotope shift for170–166Er and168–166Er in the configuration 4f 12 6s 2 . Z Phys D - Atoms, Molecules and Clusters 22, 569–575 (1992). https://doi.org/10.1007/BF01426357

Download citation

  • Received:

  • Issue Date:

  • DOI: https://doi.org/10.1007/BF01426357

PACS

Navigation