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Simultaneous beta and gamma spectroscopy

United States Patent

March 23, 2010
View the Complete Patent at the US Patent & Trademark Office
A phoswich radiation detector for simultaneous spectroscopy of beta rays and gamma rays includes three scintillators with different decay time characteristics. Two of the three scintillators are used for beta detection and the third scintillator is used for gamma detection. A pulse induced by an interaction of radiation with the detector is digitally analyzed to classify the type of event as beta, gamma, or unknown. A pulse is classified as a beta event if the pulse originated from just the first scintillator alone or from just the first and the second scintillator. A pulse from just the third scintillator is recorded as gamma event. Other pulses are rejected as unknown events.
Farsoni; Abdollah T. (Corvallis, OR), Hamby; David M. (Corvallis, OR)
The State of Oregon Acting by and through the State Board of Higher Education on Behalf of Oregon State University (Corvallis, OR), N/A (
12/ 221,675
August 4, 2008
STATEMENT OF GOVERNMENT SPONSORED SUPPORT This invention was made with Government support under contract DE-FG07-05ID14704 awarded by the Department of Energy. The US Government has certain rights in the invention.