Precision measurement of the structure of the CMS inner tracking system using nuclear interactions

CMS Collaboration

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

The structure of the CMS inner tracking system has been studied using nuclear interactions of hadrons striking its material. Data from proton-proton collisions at a center-of-mass energy of 13 TeV recorded in 2015 at the LHC are used to reconstruct millions of secondary vertices from these nuclear interactions. Precise positions of the beam pipe and the inner tracking system elements, such as the pixel detector support tube, and barrel pixel detector inner shield and support rails, are determined using these vertices. These measurements are important for detector simulations, detector upgrades, and to identify any changes in the positions of inactive elements.

Original languageEnglish
Article numberP10034
JournalJournal of Instrumentation
Volume13
Issue number10
DOIs
Publication statusPublished - 29 Oct 2018

Fingerprint

nuclear interactions
Tracking System
Detector
Detectors
detectors
Interaction
Protons
apexes
Pixel
Pixels
pixels
Hadrons
protons
rails
Barycentre
hadrons
center of mass
Rails
Tube
Collision

ASJC Scopus subject areas

  • Instrumentation
  • Mathematical Physics

Cite this

Precision measurement of the structure of the CMS inner tracking system using nuclear interactions. / CMS Collaboration.

In: Journal of Instrumentation, Vol. 13, No. 10, P10034, 29.10.2018.

Research output: Contribution to journalArticle

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abstract = "The structure of the CMS inner tracking system has been studied using nuclear interactions of hadrons striking its material. Data from proton-proton collisions at a center-of-mass energy of 13 TeV recorded in 2015 at the LHC are used to reconstruct millions of secondary vertices from these nuclear interactions. Precise positions of the beam pipe and the inner tracking system elements, such as the pixel detector support tube, and barrel pixel detector inner shield and support rails, are determined using these vertices. These measurements are important for detector simulations, detector upgrades, and to identify any changes in the positions of inactive elements.",
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AU - Sirunyan, A. M.

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AU - Adam, W.

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AU - Asilar, E.

AU - Bergauer, T.

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