ISOMER SHIFT CALIBRATION OF 57Fe BY LIFE-TIME VARIATIONS IN THE ELECTRON-CAPTURE DECAY OF 52Fe.

J. Ladrière , A. Meykens , R. Coussement , M. Cogneau , M. Boge , P. Auric , R. Bouchez (1) , A. Benabed (1) , J. Godard (1)

1 LPSC - Laboratoire de Physique Subatomique et de Cosmologie

Electron densities at the nucleus are estimated from measurements of the change in electron capture rate of 52Fe in different iron compounds. This leads to a calibration constant α for the 57Fe isomer shift : α = - 0,31 ± 0,04 a30 .mm.s-1.

Domaines: Articles anciens; Physique Nucléaire Expérimentale [nucl-ex]

J. Ladrière, A. Meykens, R. Coussement, M. Cogneau, M. Boge, et al.. ISOMER SHIFT CALIBRATION OF 57Fe BY LIFE-TIME VARIATIONS IN THE ELECTRON-CAPTURE DECAY OF 52Fe.. International Conference on Applications of the Moessbauer Effect 8, 1978, Kyoto, Japan. pp.C2-20-C2-22, ⟨10.1051/jphyscol:1979205⟩. ⟨jpa-00218463⟩