photopeak

pho·to·peak

(fō'tō-pēk),
The characteristic energies of photons emitted by a radionuclide, used to set scanning parameters.
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Data come from the first escape (FE) peak in the case of the 100 cc detector and from the photopeak in the case of the 300 cc detector.
Optimizing the Teflon thickness for fast neutron detection using a Ge detector
Conclusion: The photopeak efficiencies decrease as energy increases and the observed efficiency curves were closely with similar studies.
Experimental Investigation on the Photopeak Efficiency of a Coaxial High Purity Germanium Detector for Different Geometries
The samples are measured the next day for the induced Au-198 photopeak at 411.
Fixation and redistribution of arsenic during early and late diagenesis in the organic matter-rich members of the Lockatong Formation, Newark basin, USA: implications for the quality of groundwater
A window of 20% centered on the 140-keV photopeak was used.
IMPACT AND OUTCOME OF MAXIMUM BICYCLE ERGOMETER EXERCISE ON ADENOSINE TC-99M SESTAMIBI MYOCARDIAL PERFUSION IMAGING IN CORONARY ARTERY DISEASE
The energy-deposition spectra are characterized by a delta function at the incident photon energy (corresponding to a total-energy deposition event, the so-called photopeak) with a probability that would give the photopeak area if the intrinsic resolution function were to be applied.
New national air-kerma standard for low-energy electronic brachytherapy sources
This device will have minimal energy requirement and possess excellent photopeak resolution.
Abstracts the 90th Annual Academy of Science meeting Samford University Birmingham, AL March 20-22, 2013
5a, which was also confirmed by the presence of the Fe2p photopeak at 710.
Coating of structured catalytic reactors by plasma assisted polymerization of tetramethyldisiloxane
During a five-minute counting time, the 137Cs content of the body burden was determined from the photopeak at 661.
Method for estimating caribou consumption by Northern Canadians
The energy resolution for the carbon photopeak was measured to be about 3%.
Measurement of Compton scattered electrons using 11.25 keV monochromatic x-rays. (Short Communication)
I = photopeak area S = sensitivity factor T = total acquisition time n = number of photopeaks considered
Testing and analysis of rubber-to-metal bonded parts
From Monte Carlo modeling of patient energy spectra, we determined that a lower energy window limit of 110 keV would capture a substantial proportion of misregistered photopeak events while including only a small amount of scattered events into the image.
Gamma Medica and Mayo Clinic Achieve 5-Fold Reduction in Dose with Molecular Breast Imaging
1s] photopeak was curve-fit and the results are illustrated in Fig.
Effect of surface properties on the adhesion between PVC and wood veneer laminates

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