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A study of the material in the ATLAS inner detector using secondary hadronic interactions

CollaborationWith : Abdelalim Aly, Ahmed Aly / Alexandre, Gauthier / Backes, Moritz / Barone, Gaetano / Bell, Paul / Bell, William / Blondel, Alain / Bucci, Francesca / Clark, Allan Geoffrey / Dao, Valerio / Ferrere, Didier / Gadomski, Szymon / Garcia Navarro, Jose Enrique / Gaumer, Olivier / Gonzalez Sevilla, Sergio / Goulette, Marc / Hamilton, Andrew / Iacobucci, Giuseppe / Leger, Annie / Lister, Alison / Martin Dit Latour, Bertrand / Mora Herrera, Maria Clemencia Rosario / Nektarijevic, Snezana / Nikolics, Katalin / Pasztor, Arpad / Pohl, Martin / Rosbach, Kilian / Rosselet, Laurent / Wu, Xin
Published in Journal of Instrumentation. 2012, vol. 7, no. P01013, p. 39
Abstract 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 ~ 200μm 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.
Keywords Detector modelling and simulations I (interaction of radiation with matterInteraction of photons with matterInteraction of hadrons with matterEtc)Particle tracking detectors (Solid-state detectors)Si microstrip and pad detectorsLarge detector systems for particle and astroparticle physics
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Other version: http://iopscience.iop.org/1748-0221/7/01/P01013/
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ATLAS COLLABORATION. A study of the material in the ATLAS inner detector using secondary hadronic interactions. In: Journal of Instrumentation, 2012, vol. 7, n° P01013, p. 39. https://archive-ouverte.unige.ch/unige:38798

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Deposited on : 2014-07-21

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