CERN Accelerating science

Article
Report number	arXiv:1809.04026
Title	Precise mirror alignment and basic performance of the RICH detector of the NA62 experiment at CERN
Author(s)	Anzivino, G. (Perugia U. ; INFN, Perugia) ; Barbanera, M. (INFN, Perugia) ; Bizzeti, A. (Modena U. ; INFN, Florence) ; Brizioli, F. (Perugia U. ; INFN, Perugia) ; Bucci, F. (INFN, Florence) ; Cassese, A. (INFN, Florence ; Florence U.) ; Cenci, P. (INFN, Perugia) ; Checcucci, B. (INFN, Perugia) ; Ciaranfi, R. (INFN, Florence) ; Duk, V. (INFN, Perugia ; Birmingham U.) ; Engelfried, J. (San Luis Potosi U.) ; Estrada-Tristan, N. (San Luis Potosi U.) ; Iacopini, E. (INFN, Florence ; Florence U.) ; Imbergamo, E. (Perugia U. ; INFN, Perugia) ; Latino, G. (INFN, Florence ; Florence U.) ; Lenti, M. (INFN, Florence ; Florence U.) ; Lollini, R. (Perugia U. ; INFN, Perugia) ; Pepe, M. (INFN, Perugia) ; Piccini, M. (INFN, Perugia) ; Volpe, R. (INFN, Florence ; Florence U.)
Publication	2018-07-16
Imprint	2018-09-11
Number of pages	13
Note	13 pages, 10 figures
In:	JINST 13, 07 (2018) pp.P07012
DOI	10.1088/1748-0221/13/07/P07012 10.1088/1748-0221/13/07/P07012 (publication)
Subject category	hep-ex ; Particle Physics - Experiment ; physics.ins-det ; Detectors and Experimental Techniques
Accelerator/Facility, Experiment	CERN SPS ; NA62
Abstract	The Ring Imaging Cherenkov detector is crucial for the identification of charged particles in the NA62 experiment at the CERN SPS. The detector commissioning was completed in 2016 by the precise alignment of mirrors using reconstructed tracks. The alignment procedure and measurement of the basic performance are described. Ring radius resolution, ring centre resolution, single hit resolution and mean number of hits per ring are evaluated for positron tracks. The contribution of the residual mirror misalignment to the performance is calculated.
Copyright/License	preprint: (License: arXiv nonexclusive-distrib 1.0)

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