Precision measurement of the conversion electron spectrum of83m Kr with a solenoid retarding spectrometer | Zendy

A. Picard | Zendy; H. Backe | Zendy; J. Bonn | Zendy; B. Degen | Zendy; R. Haid | Zendy; A. Hermanni | Zendy; P. Leǐderer | Zendy; A. Osipowicz | Zendy; Ernst W. Otten | Zendy; M. Przyrembel | Zendy; M. Schrader | Zendy; M. Steininger | Zendy; C. Weinheimer | Zendy

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Precision measurement of the conversion electron spectrum of83m Kr with a solenoid retarding spectrometer

Author(s) -

A. Picard,

H. Backe,

J. Bonn,

B. Degen,

R. Haid,

A. Hermanni,

P. Leǐderer,

A. Osipowicz,

Ernst W. Otten,

M. Przyrembel,

M. Schrader,

M. Steininger,

C. Weinheimer

Publication year - 1992

Publication title -

zeitschrift für physik a hadrons and nuclei

Language(s) - English

Resource type - Journals

eISSN - 1431-5831

pISSN - 0939-7922

DOI - 10.1007/bf01294491

Subject(s) - spectrometer , physics , atomic physics , solenoid , spectral line , spectroscopy , electron , electron spectrometer , mass spectrometry , nuclear physics , optics , cathode ray , quantum mechanics , astronomy

This paper reports on precision measurements of conversion lines in the decay of83mKr with nuclear transition energies of 32.1 keV and 9.4 keV, respectively. The spectra were taken from a submonolayer surface of83mKr frozen onto a cold backing, using the new Mainz solenoid retarding spectrometer. The high luminosity and resolution of this instrument enables the observation of all allowed conversion lines up to theN-shell and to fully separate the elastic component from inelastic satellites. The combined analysis of the data yields the transition energiesEy=32151.5±1.1 eV and 9405.9±0.8 eV, respectively. The experiment served also to pilot the application of this spectrometer to the question of a finite neutrino rest mass, searched for in theβ-decay spectrum of tritium and to problems in precision electron spectroscopy in general.

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