Signal charge sharing in multilinear drift detectors: Design and experimental characterization
Journal Article
·
· IEEE Transactions on Nuclear Science
- Univ. degli Studi di Milano (Italy). Dipt. di Fisica
- Brookhaven National Lab., Upton, NY (United States)
- 3MPI Halbleiterlabor, Muenchen (Germany)
Multilinear silicon drift detectors (MLSDD`s) 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 MLSDD`s 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 MLSDD`s 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.
- Research Organization:
- Brookhaven National Laboratory (BNL), Upton, NY
- Sponsoring Organization:
- Istituto Nazionale di Fisica Nucleare, Rome (Italy); Ministero dell`Universita` e della Ricerca Scientifica e Tecnologica (Italy); Consiglio Nazionale delle Ricerche, Rome (Italy); USDOE, Washington, DC (United States)
- DOE Contract Number:
- AC02-76CH00016
- OSTI ID:
- 477312
- Journal Information:
- IEEE Transactions on Nuclear Science, Journal Name: IEEE Transactions on Nuclear Science Journal Issue: 2 Vol. 44; ISSN 0018-9499; ISSN IETNAE
- Country of Publication:
- United States
- Language:
- English
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