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Development of an optimized LSO/LuYAP phoswich detector head for the Lausanne ClearPET demonstrator
(2006)
This paper describes the LSO/LuYAP phoswich detector head developed for the ClearPET small animal PET scanner demonstrator that is under construction in Lausanne within the Crystal Clear Collaboration. The detector head consists of a dual layer of 8×8 LSO and LuYAP crystal arrays coupled to a multi-anode photomultiplier tube (Hamamatsu R7600-M64). Equalistion of the LSO/LuYAP light collection is obtained through partial attenuation of the LSO scintillation light using a thin aluminum deposit of 20-35 nm on LSO and appropriate temperature regulation of the phoswich head between 30°C to 60°C. At 511keV, typical FWHM energy resolutions of the pixels of a phoswich head amounts to (28±2)% for LSO and (25±2)% for LuYAP. The LSO versus LuYAP crystal identification efficiency is better than 98%. Six detector modules have been mounted on a rotating gantry. Axial and tangential spatial resolutions were measured up to 4 cm from the scanner axis and compared to Monte Carlo simulations using GATE. FWHM spatial resolution ranges from 1.3 mm on axis to 2.6 mm at 4 cm from the axis.
Design of a Measurement Setup for the Impedance of Low-Resistance Plate-Conductors in the RF-Range
(2006)
Der Modell-Roller
(2006)
Composite improvement of textile reinforced concrete by polymeric impregnation of the textiles
(2006)
CO2-Emissionshandel
(2006)
Bussysteme
(2006)
Boden, Baugrube, Verbau
(2006)
Betoninstandsetzung
(2006)
Beispiel Betoninstandsetzung
(2006)
Bauwirtschaft und Baurecht
(2006)
Baustoffe
(2006)
Baukosten und Finanzierung
(2006)
Bauhaus Europa: Die Genese
(2006)
Application of polymers in textile reinforced concrete : from the interface to construction elements
(2006)
Anmerkungen zur DIN EN 12101-2 über die Prüfung von natürlichen Rauch- und Wärmeabzugsanlagen (NRGW)
(2006)
Analysis of error and time behavior of the IEEE 802.15.4 PHY-layer in an industrial environment
(2006)
Abschlussarbeiten FAQ / FGA
(2006)