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Prompt Neutron Gamma Spectroscopy versus Mass Spectroscopy

Uncertainty limit for isotope abundance measurements exemplified for silicon within the Avogadro project

H. Friedrich (Autor)

Buch | Softcover

64 Seiten

2013
Fachverlag NW in Carl Ed. Schünemann KG
978-3-86918-248-3 (ISBN)

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Prompt Neutron Gamma Spectroscopy (PNG) measures ratios of gamma intensities after thermal neutron cature in Si to determine the fi.The only way of perform calibration and measurement is to compare the unknown sample with the reference sample mentioned, both samples being of equal size and shape. The problem is that the gamma peaks in a Ge detector usually sit on high
(compton)-background. It was investigated in detail as to how far this can be improved by proceeding from single spectra to coincidence spectra and to borehole detectors. The result is that with the improved signal to background ratio, the lower counting statistics demand too long counting times for the precision needed.

Reihe/Serie	PTB-Berichte. Optik (Opt) ; 72
Verlagsort	Braunschweig
Sprache	englisch
Maße	210 x 297 mm
Gewicht	220 g
Einbandart	Paperback
Themenwelt	Naturwissenschaften ► Physik / Astronomie ► Atom- / Kern- / Molekularphysik
Themenwelt	Naturwissenschaften ► Physik / Astronomie ► Optik
Schlagworte	Mass spectroscopy • Neutron Gamma Spectroscopy • Optik • PTB • spectroscopy
ISBN-10	3-86918-248-2 / 3869182482
ISBN-13	978-3-86918-248-3 / 9783869182483
Zustand	Neuware