M�ssbauer conversion spectroscopy: Measurements on the first excited states of180, 182W and145Pm

Abstract

Abstract.The 18~Due to the excellent statistical quality of the spectra the interference parameter of the 100keVE2 transition in ~sZw could be determined to 2/~= 0.0165(9) for the L-shell. The MB-effect for the 61 keV transition in the instable ~4SPm has been detected for the first time. A width F~xp = 2.15 (58)mm/s was obtained.

6 Modern Electron and Positron Spectrometers – Selected Aspects of a Broad Field

“…One can also mention devices where electron spectrometers were combined with other approved experimental methods: i)Mössbauer spectroscopy with conversion electrons detected with an Orange-type [67] or with a Mini-Orange type spectrometer [68], being of specific interest for investigations of nuclear and solid-state properties when minimal Unauthenticated Download Date | 6/13/16 9:19 AM amounts of probe materials are available (as in the case of radioactive isotopes) or when surface effects are to be studied. ii)Large-acceptance orange-type spectrometers for lifetime measurements [69], where the spectrometer serves to single-out nuclear transitions which are otherwise difficult to access, iii) Sophisticated devices-employing the triple combination of solenoid transport fields, electrostatic spectrometers and solidstate detectors -to impose limits on the neutrino mass from the tritium ß-decay [70].…”