CERN Accelerating science

LHCb Note
Report number	LHCb-PUB-2025-005 ; CERN-LHCb-PUB-2025-005
Title	Measurement of SciFi hit resolution at LHCb
Author(s)	Zhao, Ya (Heidelberg University (DE)) ; Dufour, Laurent (CERN) ; Hulsbergen, Wouter (Nikhef National institute for subatomic physics (NL)) ; Gao, Zihan (Peking University (CN)) ; Leverington, Blake (Heidelberg University (DE)) ; Xu, Zehua (CERN)
Submitted by	[email protected] on 21 Jan 2025
Subject category	Particle Physics - Experiment
Note type	PHYS
Accelerator/Facility, Experiment	CERN LHC ; LHCb
Free keywords	LHCb ; Upgrade ; Run3 ; Performance ; SciFi ; Hit resolution ; Hit error ; Hit residual
Abstract	The SciFi hit resolution is studied using 2024 data at LHCb. The algorithm to determine the hit resolution is presented. Measured hit resolution and its dependency on layer, track momentum, track slope and cluster pseudoSize are discussed. The impact of spatial alignment on hit resolution is investigated by comparing the hit resolution for each Mat.

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