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The MuPix high voltage monolithic active pixel sensor for the Mu3e experiment

Mu3e is a novel experiment searching for charged lepton flavor violation in the rare decay μ → eee. In order to reduce background by up to 16 orders of magnitude, decay vertex position, decay time and particle momenta have to be measured precisely. A pixel tracker based on 50 μm thin high voltage mo...

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Main Authors: Augustin, Heiko (Author) , Förster, Fabian (Author) , Herkert, Adrian (Author) , Huang, Qinhua (Author) , Huth, Lennart (Author) , Kiehn, Moritz (Author) , Kozlinskiy, Alexandr (Author) , Philipp, Raphael (Author) , Schöning, André (Author) , Shrestha, Shruti (Author) , Bruch, Dorothea vom (Author) , Wiedner, Dirk (Author)
Format: Article (Journal) Conference Paper
Language:English
Published: 25 March 2015
In: Journal of Instrumentation
Year: 2015, Volume: 10, Issue: 03
ISSN:1748-0221
DOI:10.1088/1748-0221/10/03/C03044
Online Access:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1088/1748-0221/10/03/C03044
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Author Notes:H. Augustin, N. Berger, S. Bravar, S. Corrodi, A. Damyanova, F. Förster, R. Gredig, A. Herkert, Q. Huang, L. Huth, M. Kiehn, A. Kozlinskiy, S. Maldaner, I. Perić, R. Philipp, P. Robmann, A. Schöning, S. Shrestha, D. vom Bruch, T. Weber, D. Wiedner
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Summary:Mu3e is a novel experiment searching for charged lepton flavor violation in the rare decay μ → eee. In order to reduce background by up to 16 orders of magnitude, decay vertex position, decay time and particle momenta have to be measured precisely. A pixel tracker based on 50 μm thin high voltage monolithic active pixel sensors (HV-MAPS) in a magnetic field will deliver precise vertex and momentum information. Test beam results like an excellent efficiency of >99.5% and a time resolution of better than 16.6 ns obtained with the MuPix HV-MAPS chip developed for the Mu3e pixel tracker are presented.
Item Description:Gesehen am 28.07.2020
Physical Description:Online Resource
ISSN:1748-0221
DOI:10.1088/1748-0221/10/03/C03044

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