Measurement of thermal properties of the LHCb VELO detector using track-based software alignment


Akiba, K ORCID: 0000-0002-6736-471X, Alexander, M ORCID: 0000-0002-8148-2392, Barter, W ORCID: 0000-0002-9264-4799, Bogdanova, G ORCID: 0009-0000-9524-4670, Borghi, S ORCID: 0000-0001-5135-1511, Bowcock, TJV ORCID: 0000-0002-3505-6915, Buchanan, E, Burr, C ORCID: 0000-0002-5155-1094, Chen, S ORCID: 0000-0002-8647-1828, Collins, P ORCID: 0000-0003-1437-4022 et al (show 39 more authors) (2023) Measurement of thermal properties of the LHCb VELO detector using track-based software alignment. Journal of Instrumentation, 18 (10). P10003-P10003.

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Abstract

<jats:title>Abstract</jats:title> <jats:p>The thermal properties of the LHCb Vertex Locator (VELO) are studied using the real-time detector alignment procedure. The variation of the position and orientation of the detector elements as a function of the operating temperature of the VELO is presented. This study uses a dataset collected by the LHCb experiment during a VELO temperature scan performed at the end of LHC Run 2 (October 2018). Significant shrinkage of the VELO modules is observed at the operating temperature of -30°C compared to the laboratory measurements on a single module taken at a range of temperatures from +45°C to -25°C. The thermal shrinkage expected from the extrapolation of laboratory measurements to lower temperatures, and the results of this alignment study are in good agreement.</jats:p>

Item Type: Article
Divisions: Faculty of Science and Engineering > School of Physical Sciences
Depositing User: Symplectic Admin
Date Deposited: 30 Nov 2023 12:12
Last Modified: 17 Mar 2024 18:36
DOI: 10.1088/1748-0221/18/10/p10003
Open Access URL: https://iopscience.iop.org/article/10.1088/1748-02...
Related URLs:
URI: https://livrepository.liverpool.ac.uk/id/eprint/3177084
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