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research article

First spatial alignment of the LHCb VELO and analysis of beam absorber collision data

Borghi, S.
•
Gersabeck, M.
•
Parkes, C.
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2010
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

A first alignment of the LHCb Vertex Locator has been obtained from beam induced tracks at the LHC. A 450 GeV/c protons were collided on a beam absorber during the LHC synchronisation tests of the anti-clockwise beam in August and September 2008. The resulting particle tracks have been reconstructed by the Vertex Locator. This was the first full reconstruction of tracks induced by the LHC beam. The quality of the data obtained is discussed. A total of 2200 tracks were reconstructed from the full data sample, and a first spatial alignment was obtained. The detector is aligned to an accuracy of Slim in the sensor plane. The results confirm that all detector modules have not been displaced from their surveyed positions by more than 10 mm. (C) 2010 Elsevier B.V. All rights reserved.

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Type
research article
DOI
10.1016/j.nima.2010.02.109
Web of Science ID

WOS:000279134000011

Author(s)
Borghi, S.
Gersabeck, M.
Parkes, C.
Szumlak, T.
Affolder, A.
Akiba, K.
Anderson, J.
Artuso, M.
Basiladze, S.
Bates, A.
Date Issued

2010

Published in
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume

618

Issue

1-3

Start page

108

End page

120

Subjects

Silicon

•

Microstrip

•

Vertex detector

•

Alignment

•

LHCb

•

Lhc

•

Detector

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
LPHE  
Available on Infoscience
November 5, 2010
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/57033
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