The internal conversion of theN=81 Isotones139m
Ce and141m
Nd |
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| Authors: | R -D v Dincklage W -D Schmidt-Ott |
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| Institution: | 1. II. Physikalisches Institut der Universit?t G?ttingen, Deutschland
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| Abstract: | A rapid gas-jet system was used for preparation ofβ ?-samples of139m Ce and141m Nd. Conversion electrons and photons were detected simultaneously with absolutely calibrated detectors. Conversion coefficientsα K = 0.0732±0.0023 andα K=0.0824±0.0029, conversion ratiosK/L+...= 4.68±0.20 andK/L+...=4.58±0.23 were measured for139m Ce, and141m Nd, respectively. The calculated M4 values of Hager and Seltzer, and Dragoun et al. were confirmed within the experimental accuracy. |
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