DocumentCode :
1425922
Title :
Signal charge sharing in multilinear drift detectors: design and experimental characterization
Author :
Castoldi, Andrea ; Rehak, Pavel ; Holl, Peter
Author_Institution :
Dipt. di Fisica, Milan Univ., Italy
Volume :
44
Issue :
2
fYear :
1997
fDate :
4/1/1997 12:00:00 AM
Firstpage :
134
Lastpage :
141
Abstract :
Multilinear silicon drift detectors (MLSDDs) are radiation detectors which combine excellent energy and position resolution with high count-rate capabilities. This is achieved by controlling the diffusion of the signal charges and limiting their lateral spread during the drift. This paper will present a study of the signal electrons´ transport in MLSDDs in comparison with the experimental measurements. Three-dimensional simulations were carried out, taking into account diffusion effects and mutual electrostatic interaction between the signal electrons. A representative sample of these simulations will be presented. Signal sharing in a multilinear drift detector and in a “classical” multi-anode drift detector are characterized and discussed. The results are useful to tailor the design of MLSDDs for the detection of different kinds of radiation (e.g., optical photon, X-ray, ionizing particle) and to optimize signal charge sharing and detector performance according to a particular application purpose
Keywords :
silicon radiation detectors; MLSDD; X-ray; characterization; count-rate; diffusion; energy resolution; ionizing particle; multi-anode drift detector; multilinear Si drift detectors; multilinear drift detector; multilinear drift detectors; multilinear silicon drift detectors; mutual electrostatic interaction; optical photon; position resolution; radiation detectors; signal charge sharing; signal electron transport; Electrons; Electrostatic measurements; Energy resolution; Optical design; Radiation detectors; Signal design; Signal resolution; Silicon radiation detectors; X-ray detection; X-ray detectors;
fLanguage :
English
Journal_Title :
Nuclear Science, IEEE Transactions on
Publisher :
ieee
ISSN :
0018-9499
Type :
jour
DOI :
10.1109/23.568794
Filename :
568794
Link To Document :
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