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The Large Hadron Collider and the experiments for run 3-accelerator and experiments for LHC run 3 The LHCb upgrade I: The LHCb upgrade I

The LHCb upgrade represents a major change of the experiment. The detectors have been almost completely renewed to allow running at an instantaneous luminosity five times larger than that of the previous running periods. Readout of all detectors into an all-software trigger is central to the new des...

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Main Authors: Aaij, Roel (Author) , Anjam, Andrea (Author) , Bachmann, Sebastian (Author) , Berninghoff, Daniel (Author) , Borsato, Martino (Author) , Caspary, Rowina (Author) , Dziewiecki, Michal (Author) , Frau, Giulia (Author) , Gerick, David (Author) , Günther, Paul André (Author) , Han, Xiaoxue (Author) , Hansmann-Menzemer, Stephanie (Author) , Herold, Tobias (Author) , Hornberger, Oliver (Author) , Hu, Jiangqiao (Author) , Hummel, Stefan (Author) , Kopecná, Renata (Author) , Kubat, Jakub (Author) , Kupfer, Nicole (Author) , Leverington, Blake (Author) , Marks, Jörg (Author) , Mittelstaedt, Thomas (Author) , Morgenthaler, Maurice Pierre (Author) , Muley, Simon (Author) , Promberger, Laura (Author) , Riedinger, Jessica (Author) , Schmelling, Michael (Author) , Siebig, Stephan (Author) , Sigmund, Daniel (Author) , Skuza, Raphael (Author) , Unverzagt, Daniel Joachim (Author) , Uwer, Ulrich (Author) , Vorbach, Oliver (Author) , Wang, Chishuai (Author) , Windelband, Bernd (Author) , Witola, Lukas (Author) , Zhao, Ya (Author) , Zhelezov, Alexey (Author)
Corporate Author: LHCb Collaboration (Author)
Format: Article (Journal)
Language:English
Published: May 23, 2024
In: Journal of Instrumentation
Year: 2024, Volume: 19, Issue: 05, Pages: 1-211
ISSN:1748-0221
DOI:10.1088/1748-0221/19/05/P05065
Online Access:Verlag, kostenfrei, Volltext: https://doi.org/10.1088/1748-0221/19/05/P05065
Verlag, kostenfrei, Volltext: https://iopscience.iop.org/article/10.1088/1748-0221/19/05/P05065
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Author Notes:The LHCb collaboration
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Summary:The LHCb upgrade represents a major change of the experiment. The detectors have been almost completely renewed to allow running at an instantaneous luminosity five times larger than that of the previous running periods. Readout of all detectors into an all-software trigger is central to the new design, facilitating the reconstruction of events at the maximum LHC interaction rate, and their selection in real time. The experiment's tracking system has been completely upgraded with a new pixel vertex detector, a silicon tracker upstream of the dipole magnet and three scintillating fibre tracking stations downstream of the magnet. The whole photon detection system of the RICH detectors has been renewed and the readout electronics of the calorimeter and muon systems have been fully overhauled. The first stage of the all-software trigger is implemented on a GPU farm. The output of the trigger provides a combination of totally reconstructed physics objects, such as tracks and vertices, ready for final analysis, and of entire events which need further offline reprocessing. This scheme required a complete revision of the computing model and rewriting of the experiment's software.
Item Description:The LHCb collaboration: R. Aaij, A. Anjam, S. Bachmann, D. Berninghoff, M. Borsato, R. Caspary, M. Dziewiecki, G. Frau, D. Gerick, P.A. Günther, X. Han, S. Hausmann-Menzemer, T. Herold, O. Hornberger, J. Hu, S. Hummel, R. Kopecna, J. Kubat, N. Kupfer, B. Leverington, J. Marks, T. Mittelstaedt, M.P. Morgenthaler, S. Muley, L. Promberger, J. Riedinger, M. Schmelling, S. Siebig, R. Skuza, D.J. Unverzagt, U. Uwer, O. Vorbach, C. Wang, B. Windelband, L. Witola, Y. Zhao, A. Zhelezov und weitere 1289
Gesehen am 10.07.2025
Physical Description:Online Resource
ISSN:1748-0221
DOI:10.1088/1748-0221/19/05/P05065

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