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Electrostatic deposition of thoron decay products used for labeling of surface layers |
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| Authors: | Č. Jech J. Kubašta A. Gosman |
| Affiliation: | (1) The J. Heyrovsky Institute of Physical Chemistry, Academy of Sciences of the Czech Republic, 182 23 Prague 8, Czech Republic;(2) Department of Physics, Faculty of Nuclear Sciences and Physical Engineering, Czech Technical University, 115 19 Prague 1, Czech Republic;(3) Department of Nuclear Chemistry, Faculty of Nuclear Sciences and Physical Engineering, Czech Technical University, 115 19 Prague I, Czech Republic |
| Abstract: | Alpha spectroscopy was used to study the mechanism of electrostatic collection of thoron daughters from the air. The results indicate that ThA atoms are primarily collected on negatively charged surfaces. Atoms of ThB produced by decay of ThA already attached to the collecting surface are injected by recoil into the surface layers of solids and are suitable for use in radiotracer experiments. |
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