Title: Relative luminosity measurement with Timepix3 in ATLAS
Authors: Bergmann, Benedikt, Ludwig
Billoud, Thomas Rémy Victor
Burian, Petr
Broulím, Pavel
Leroy, Claude
Lesmes, Catarína
Mánek, Petr
Meduna, Lukáš
Pospíšil, Stanislav
Sopczak, Andre
Suk, Michal
Citation: BERGMANN, B. L., BILLOUD, T. R. V., BURIAN, P., BROULÍM, P., LEROY, C., LESMES, C., MÁNEK, P., MEDUNA, L., POSPÍŠIL, S., SOPCZAK, A., SUK, M. Relative luminosity measurement with Timepix3 in ATLAS. Journal of Instrumentation, 2020, roč. 15, č. 1, s. 0-13. ISSN 1748-0221.
Issue Date: 2020
Publisher: IOP Publishing
Document type: článek
URI: 2-s2.0-85081686489
ISSN: 1748-0221
Keywords in different language: beam-line instrumentation;beam position and profile monitors;beam-intensity monitors;bunch length monitors;instrumentation for particle accelerators and storage rings - high energy;linear accelerators;synchrotrons;hybrid detectors
Abstract in different language: The capability of Timepix3 detectors installed in ATLAS to measure luminosity is evaluated. It is described how noisy pixels are identified and excluded. Two different methods for luminosity determination, i.e. cluster counting and thermal neutron counting are described and compared with each other. The achieved short-term relative precision with both methods is determined by modeling the luminosity curve. It is shown that using cluster counting a short-term relative precision of < 0:5% can be achieved for 60 s time intervals. For thermal neutrons, a short-term relative precision (for 60 s intervals) of 2% was found. Hereby statistics was the limiting factor. The findings are discussed in view of Timepix3 upgrade plans for LHC Run-3.
Rights: Plný text je přístupný v rámci univerzity přihlášeným uživatelům.
© IOP Publishing
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