Lewandowski, L., Reiter, P., Birkenbach, B., Bruyneel, B., Clemente, E., Eberth, J., Hess, H., Michelagnoli, C., Li, H., Perez-Vidal, R. M. and Zielinska, M. (2019). Pulse-Shape Analysis and position resolution in highly segmented HPGe AGATA detectors. Eur. Phys. J. A, 55 (5). NEW YORK: SPRINGER. ISSN 1434-601X

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Abstract

.The performance of the Pulse-Shape Analysis (PSA) in AGATA HPGe detectors was investigated and improved employing a -ray source measurement based on e+e- annihilation radiation after decays of Na-22 by + decay. The first interaction positions of the two 511keV rays were determined and the connecting line of these two positions was compared to the known source position as a measure for the PSA performance. The position resolution and its dependence on the PSA parameters were investigated by varying most relevant input quantities: the charge carrier mobility of the holes, the response of the employed measuring electronics especially the preamplifier rise time. The relative statistical weight of charge signals and transient signals was scrutinized. The optimal distance metric of the grid-search algorithm and its impact on the position resolution were determined.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Lewandowski, L.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Reiter, P.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Birkenbach, B.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Bruyneel, B.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Clemente, E.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Eberth, J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Hess, H.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Michelagnoli, C.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Li, H.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Perez-Vidal, R. M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Zielinska, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
URN: urn:nbn:de:hbz:38-147833
DOI: 10.1140/epja/i2019-12752-0
Journal or Publication Title: Eur. Phys. J. A
Volume: 55
Number: 5
Date: 2019
Publisher: SPRINGER
Place of Publication: NEW YORK
ISSN: 1434-601X
Language: English
Faculty: Unspecified
Divisions: Unspecified
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
GAMMA; SENSITIVITY; PERFORMANCE; ELECTRONMultiple languages
Physics, Nuclear; Physics, Particles & FieldsMultiple languages
Refereed: Yes
URI: http://kups.ub.uni-koeln.de/id/eprint/14783

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