| Numéro |
J. Phys. Colloques
Volume 41, Numéro C1, Janvier 1980
International Conference on Mössbauer Spectroscopy
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|---|---|---|
| Page(s) | C1-123 - C1-123 | |
| DOI | https://doi.org/10.1051/jphyscol:1980126 | |
International Conference on Mössbauer Spectroscopy
J. Phys. Colloques 41 (1980) C1-123-C1-123
DOI: 10.1051/jphyscol:1980126
Laboratorium voor Algemene Natuurkunde, University of Groningen, The Netherlands
J. Phys. Colloques 41 (1980) C1-123-C1-123
DOI: 10.1051/jphyscol:1980126
CALIBRATION OF THE ISOMER SHIFT OF 129I
W.J.J. Spijkervet et F. PleiterLaboratorium voor Algemene Natuurkunde, University of Groningen, The Netherlands
Abstract
Radioactive 129mTe was implanted in 6 different transition metals (V, Fe, W, Au, Pt, Pb) and internal conversion electron spectra as well as Mössbauer spectra of the daughter nucleus 129I were measured. A value Δ<r2> = 0.018 (4) fm2 (corresponding to ΔR/R = + 4.1(10) x 10-4) was derived for the change of the mean square charge radius during the 27.8 keV transition in 129I. The consequences of this measurement for the calibration constants of the Mössbauer isomer shift of other isotopes of the 5sp-elements are discussed. A paper about this work is in progress of publication /1/.