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PET probes are showing a lot of promise in extending performance of the conventional PET ring. The underlying idea is to supplement basic PET data with information collected in the finely segmented probe placed close to the region of interest. The benefit is two fold: a) data collected near the object are less prone to errors related to scattering and acolinearity and b) the object itself is magnified...
Detection and spectroscopic tests of three self-triggered silicon detection modules constructed using Tape Automated Bonding and micro-cable technologies and equipped by VATA read-out chips are presented and compared. Results of these tests are demonstrated using hit maps and pulse-height spectra induced by 133Ba, 241Am, and 57Co radioactive sources of X- and gamma rays. We have observed significant...
CERN RD39 Collaboration develops radiation-hard cryogenic silicon detectors. Recently, we have demonstrated improved radiation hardness in novel Current Injected Detectors (CID). For detector characterization, we have applied cryogenic Transient Current Technique (C-TCT). In beam tests, heavily irradiated CID detector showed capability for particle detection. Our results show that the CID detectors...
Trapping times of drifting electrons and holes were measured in high resistivity standard, oxygenated and magnetic Czochralski p-type materials with charge correction method. Diodes were irradiated with neutrons up to equivalent fluence Phi = 3 times 1014 cm-2. Trapping times were parameterized as 1/tau = betaPhi. Average beta was measured to be betae = 4.2 times 10-16 cm2 ns-1 for electrons and beta...
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