True Coincidence Summing Corrections

ETNA (Efficiency Transfer for Nuclide Activity measurements) Software for efficiency transfer and coincidence summing corrections in gamma-ray spectrometry

Corrections for the Emissions Probabilities of the Intense Isotopic Analysis Gamma Rays from Uranium-238 and Applying Them to Uranium

Gamma-ray emission probabilities of 235U and 238U have been studied extensively. While the gamma-ray emission probabilities for 235U are well known, the emission probabilities for differ widely from one study to another. Our study indicates that one of the causes of the large discrepancies in the studies may be due to the true coincidence summing of many gamma rays from the decay of 238U daught...

MONTE CARLO SIMULATION OF P-TYPE HPGe DETECTORS – THE DEAD LAYER PROBLEM

The Monte Carlo method is increasingly applied for simulation of germanium detectors. It can be successfully used for the evaluation of full energy peak efficiency or of the efficiency corrections due to self-attenuation, coincidence summing and geometry effects. Usually the simulation task is to evaluate the energy deposited in the sensitive volume of the detector, assuming that the detector s...

Performance of the True Coincidence Correction Method in GammaVision

Some nuclides emit multiple gamma rays or X-rays when they decay to the ground state. If these gamma rays and X-rays are emitted essentially at the same time, it is possible that multiple photons will be detected at the same time in the detector and appear as one full-energy peak in the spectrum. This is known as “Cascade” or “True Coincidence” summing. The most common example of this is Co, wh...

New Inclusion and Coincidence Theorems for Summing Multilinear Mappings

In this paper we obtain new inclusion and coincidence theorems for absolutely or multiple summing multilinear mappings. In particular, we derive optimal coincidence theorems of Bohnenblust-Hille type for multilinear forms on K-convex Banach spaces of cotype 2.