Title :
Progress of the prompt (n,/spl gamma/)-spectrometry for the Avogadro-project
Author :
Rottger, S. ; Paul, A. ; Zimbal, A. ; Keyser, U.
Author_Institution :
Phys. Tech. Bundesanstalt, Braunschweig, Germany
Abstract :
The spectrometry of promptly emitted /spl gamma/-rays after thermal neutron capture is used for a complete, nondestructive, isotopic material analysis developed at the PTB. This method is independent of the sample dimensions and its state of aggregation. Furthermore all isotopes are detected by multi-channel analysis, simultaneously. Isotopic mass differences have been determined with an uncertainty of 10/sup -10/.
Keywords :
atomic mass; constants; gamma-ray spectroscopy; isotope detection; isotope relative abundance; measurement uncertainty; neutron radiative capture; silicon; /spl gamma/-transition probability; Avogadro-project; Si; atomic mass differences; deconvolution; isotopic mass differences; multichannel analysis; nondestructive isotopic material analysis; prompt (n,/spl gamma/)-spectrometry; promptly emitted /spl gamma/-rays; relative efficiency; simultaneous detection; thermal neutron capture; uncertainty; Atomic measurements; Crystals; Deconvolution; Gold; Isotopes; Neutrons; Performance evaluation; Silicon; Stationary state; Uncertainty;
Conference_Titel :
Precision Electromagnetic Measurements Digest, 1998 Conference on
Conference_Location :
Washington, DC, USA
Print_ISBN :
0-7803-5018-9
DOI :
10.1109/CPEM.1998.700005
