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A study of the material in the ATLAS inner detector using secondary hadronic interactions
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
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2012 (English)In: Journal of Instrumentation, ISSN 1748-0221, E-ISSN 1748-0221, Vol. 7, P01013- p.Article in journal (Refereed) Published
Abstract [en]

The ATLAS inner detector is used to reconstruct secondary vertices due to hadronic interactions of primary collision products, so probing the location and amount of material in the inner region of ATLAS. Data collected in 7 TeV pp collisions at the LHC, with a minimum bias trigger, are used for comparisons with simulated events. The reconstructed secondary vertices have spatial resolutions ranging from similar to 200 mu m to 1 mm. The overall material description in the simulation is validated to within an experimental uncertainty of about 7%. This will lead to a better understanding of the reconstruction of various objects such as tracks, leptons, jets, and missing transverse momentum.

Place, publisher, year, edition, pages
2012. Vol. 7, P01013- p.
Keyword [en]
Detector modelling and simulations I (interaction of radiation with matter, interaction, of photons with matter, interaction of hadrons with matter, etc), Particle tracking detectors (Solid-state detectors), Si microstrip and pad detectors, Large detector systems for particle and astroparticle physics
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:uu:diva-182706DOI: 10.1088/1748-0221/7/01/P01013ISI: 000303806200127OAI: oai:DiVA.org:uu-182706DiVA: diva2:560609
Note

ATLAS Collaboration, for complete list of authors see http://dx.doi.org/10.1088/1748-0221/7/01/P01013

Available from: 2012-10-15 Created: 2012-10-15 Last updated: 2017-12-07Bibliographically approved

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Brenner, RichardBuszello, Claus P.Ekelöf, TordEllert, MattiasFerrari, Arnaud

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