Precision measurement of the conversion electron spectrum of83mKr with a solenoid retarding spectrometer
Precision measurement of the conversion electron spectrum of83mKr with a solenoid retarding spectrometer
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螺线管延迟能谱仪精密测量83mKr的转换电子能谱
DOI：
10.1007/bf01294491
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发表时间：
1992
期刊：
影响因子：
--
通讯作者：
C. Weinheimer
中科院分区：
文献类型：
--
作者：
A. Picard;H. Backe;J. Bonn;B. Degen;R. Haid;A. Hermanni;P. Leiderer;A. Osipowicz;E. Otten;M. Przyrembel;M. Schrader;M. Steininger;C. Weinheimer
本文报道了核跃迁能分别为32.1 keV和9.4 keV的83mkr衰变中转换线的精确测量。利用新型美因茨电磁缓速光谱仪，从冻结在冷背托上的83mkr的亚单层表面上采集了光谱。该仪器的高亮度和高分辨率使其能够观测到所有允许的转换线直至壳体，并将弹性元件与非弹性元件完全分离。综合分析得到的跃迁能量ey分别为32151.5±1.1 eV和9405.9±0.8 eV。该实验还为该光谱仪在有限中微子静止质量问题上的应用提供了试点，在氚的β衰变谱中寻找问题，并在一般的精密电子能谱中寻找问题。
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.