New technologies for High-Purity Germanium detectors read-out

by Francesca Zocca (Inst. de Estructura de la Materia-Consejo Superior de Investigac)

Wednesday 20 Oct 2010, 14:30 → 15:10 Europe/Zurich

26-1-022 (CERN)

A strong technical advance in high-resolution gamma-ray spectrometers is required by next-generation nuclear physics experiments with high-intensity radioactive ion beams. A European collaboration has been established to realize a tracking spectrometer called AGATA (Advanced GAmma-ray Tracking Array), a 4Pi array of highly-segmented High-Purity Germanium (HPGe) detectors, relying on newly developed pulse-shape analysis and tracking methods. In this context, a strong technical advance in the detector read-out electronics is also required. The development of new technologies for low-noise wide-dynamic-range preamplification of HPGe detectors signals will be discussed in the seminar. In particular a new read-out technique developed in the framework of the AGATA collaboration will be presented, as able to extend the energy measurement range far beyond the saturation limit of standard pulse-height analysis.

Slides 20101020_Zocca.pdf