Limitations of the pulse-shape technique for particle discrimination in planar Si detectors
(1997) 1996 IEEE Nuclear Science Symposium and Medical Imaging Conference p.687-691- Abstract
- Limitations of the pulse-shape discrimination (PSD) technique - a promising method to identify the charged particles stopped in planar Si-detectors - have been investigated. The particle resolution turned out to be basically determined by resistivity fluctuations in the bulk silicon which cause the charge-collection time to depend on the point of impact. Detector maps showing these fluctuations have been measured and are discussed. Furthermore we present a simple method to test the performance of detectors with respect to PSD. Another limitation of the PSD technique is the finite energy threshold for particle identification. This threshold is caused by an unexpected decrease of the total charge-collection time for ions with a short range,... (More)
- Limitations of the pulse-shape discrimination (PSD) technique - a promising method to identify the charged particles stopped in planar Si-detectors - have been investigated. The particle resolution turned out to be basically determined by resistivity fluctuations in the bulk silicon which cause the charge-collection time to depend on the point of impact. Detector maps showing these fluctuations have been measured and are discussed. Furthermore we present a simple method to test the performance of detectors with respect to PSD. Another limitation of the PSD technique is the finite energy threshold for particle identification. This threshold is caused by an unexpected decrease of the total charge-collection time for ions with a short range, in spite of the fact that the particle tracks are located in a region of very low electric field. (Less)
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https://lup.lub.lu.se/record/4282602
- author
- publishing date
- 1997
- type
- Chapter in Book/Report/Conference proceeding
- publication status
- published
- subject
- host publication
- 1996 IEEE NUCLEAR SCIENCE SYMPOSIUM - CONFERENCE RECORD, VOLS 1-3
- pages
- 687 - 691
- publisher
- I E E E
- conference name
- 1996 IEEE Nuclear Science Symposium and Medical Imaging Conference
- conference dates
- 1996-11-02 - 1996-11-09
- external identifiers
-
- wos:A1997BH59W00151
- scopus:0006098995
- ISSN
- 1082-3654
- language
- English
- LU publication?
- no
- id
- 02458440-531f-4aac-a6ce-0c902ede84fe (old id 4282602)
- date added to LUP
- 2016-04-01 16:17:29
- date last changed
- 2022-02-05 07:11:26
@inproceedings{02458440-531f-4aac-a6ce-0c902ede84fe,
abstract = {{Limitations of the pulse-shape discrimination (PSD) technique - a promising method to identify the charged particles stopped in planar Si-detectors - have been investigated. The particle resolution turned out to be basically determined by resistivity fluctuations in the bulk silicon which cause the charge-collection time to depend on the point of impact. Detector maps showing these fluctuations have been measured and are discussed. Furthermore we present a simple method to test the performance of detectors with respect to PSD. Another limitation of the PSD technique is the finite energy threshold for particle identification. This threshold is caused by an unexpected decrease of the total charge-collection time for ions with a short range, in spite of the fact that the particle tracks are located in a region of very low electric field.}},
author = {{Pausch, G and Moszynski, M and Bohne, W and Cederkäll, Joakim and Grawe, H and Klamra, W and Lampert, MO and Rohr, P and Schubart, R and Seidel, W and Wolski, D}},
booktitle = {{1996 IEEE NUCLEAR SCIENCE SYMPOSIUM - CONFERENCE RECORD, VOLS 1-3}},
issn = {{1082-3654}},
language = {{eng}},
pages = {{687--691}},
publisher = {{I E E E}},
title = {{Limitations of the pulse-shape technique for particle discrimination in planar Si detectors}},
year = {{1997}},
}