Journal
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
Volume 607, Issue 2, Pages 458-462Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.nima.2009.05.165
Keywords
Silicon Drift Detectors; Front-end electronics; Charge preamplifier; PIXE; Backscattered protons
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Funding
- INFN-Istituto Nazionale di Fisica Nucleare
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An optimized readout configuration based on a charge preamplifier with pulsed-reset has been designed for Silicon Drift Detectors (SDDs) to be used in Particle Induced X-ray Emission (PIXE) measurements. The customized readout electronics is able to manage the large pulses originated by the protons backscattered from the target material that would otherwise cause significant degradation of X-ray spectra and marked increase in dead time. In this way, the excellent performance of SDDs can be exploited in high-quality proton-induced spectroscopy of low- and medium-energy X-rays. This paper describes the designed readout architecture and the performance characterization carried out in a PIXE setup with MeV proton beams. (C) 2009 Elsevier B.V. All rights reserved.
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