Low background digital coincidence spectrometer - a tool for investigation of positron annihilation in flight

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F12%3A10129195" target="_blank" >RIV/00216208:11320/12:10129195 - isvavai.cz</a>
Result on the web
<a href="http://www.scientific.net/DDF.331.53" target="_blank" >http://www.scientific.net/DDF.331.53</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.4028/www.scientific.net/DDF.331.53" target="_blank" >10.4028/www.scientific.net/DDF.331.53</a>

Result language
angličtina
Original language name
Low background digital coincidence spectrometer - a tool for investigation of positron annihilation in flight
Original language description
A digital spectrometer for low background gamma ray spectroscopy equipped with two high purity Ge detectors and a 12-bit two channel digitizer was employed for the investigation of positron annihilation-in-flight. Measurements were performed for positrons emitted by 68Ge/68Ga and 22Na radioisotopes and annihilated in Cu and Mg targets. The contribution of the two-quantum positron annihilation-in-flight was clearly resolved in coincidence two-dimensional gamma ray energy spectra. The contribution of positrons annihilated in flight has a hyperbolic shape described well by the relativistic theory.
Czech name
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Czech description
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Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
BM - Solid-state physics and magnetism
OECD FORD branch
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Project
<a href="/en/project/GAP108%2F10%2F0648" target="_blank" >GAP108/10/0648: Investigation of defects in icosahedral phases in Mg-alloys</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>S - Specificky vyzkum na vysokych skolach

Publication year
2012
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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