Drift Time Measurement in the ATLAS Liquid Argon Electromagnetic Calorimeter using Cosmic Muons
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Drift Time Measurement in the ATLAS Liquid Argon Electromagnetic Calorimeter using Cosmic Muons

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Drift Time Measurement in the ATLAS Liquid Argon Electromagnetic Calorimeter using Cosmic Muons

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dc.contributor.author ATLAS Collaboration
dc.contributor.author Castillo Giménez, María Victoria
dc.contributor.author Ferrer Soria, Antonio
dc.contributor.author Fuster Verdú, Juan A.
dc.contributor.author García García, Carmen
dc.contributor.author González de la Hoz, Santiago
dc.contributor.author Hernández Jiménez, Yesenia
dc.contributor.author Higón Rodríguez, Emilio
dc.contributor.author Lacasta Llácer, Carlos
dc.contributor.author Martí García, Salvador
dc.contributor.author Ros Martínez, Eduardo
dc.contributor.author Salt Cairols, José
dc.contributor.author Sanchis Lozano, Miguel Ángel
dc.contributor.author Valls Ferrer, Juan Antonio
dc.contributor.author Villaplana Pérez, Miguel
dc.date.accessioned 2014-05-14T13:28:41Z
dc.date.available 2014-05-14T13:28:41Z
dc.date.issued 2010
dc.identifier.uri http://dx.doi.org/10.1140/epjc/s10052-010-1403-6
dc.identifier.uri http://hdl.handle.net/10550/35192
dc.description.abstract The ionization signals in the liquid argon of the ATLAS electromagnetic calorimeter are studied in detail using cosmic muons. In particular, the drift time of the ionization electrons is measured and used to assess the intrinsic uniformity of the calorimeter gaps and estimate its impact on the constant term of the energy resolution. The drift times of electrons in the cells of the second layer of the calorimeter are uniform at the level of 1.3 % in the barrel and 2.8 % in the endcaps. This leads to an estimated contribution to the constant term of (0.29 +0.05 -0.04) % in the barrel and (0.54 +0.06 -0.04) % in the endcaps. The same data are used to measure the drift velocity of ionization electrons in liquid argon, which is found to be 4.61 +- 0.07 mm/\mu s at 88.5 K and 1 kV/mm.
dc.relation.ispartof European Physical Journal C, 2010, vol. 70, num. 3, p. 755-785
dc.rights.uri info:eu-repo/semantics/openAccess
dc.source Atlas Collaboration Castillo Giménez, María Victoria Ferrer Soria, Antonio Fuster Verdú, Juan A. García García, Carmen González de la Hoz, Santiago Hernández Jiménez, Yesenia Higón Rodríguez, Emilio Lacasta Llácer, Carlos Martí García, Salvador Ros Martínez, Eduardo Salt Cairols, José Sanchis Lozano, Miguel Angel Valls Ferrer, Juan Antonio Villaplana Pérez, Miguel 2010 Drift Time Measurement in the ATLAS Liquid Argon Electromagnetic Calorimeter using Cosmic Muons European Physical Journal C 70 3 755 785
dc.subject Partícules (Física nuclear)
dc.subject Detectors de radiació
dc.subject Acceleradors de partícules
dc.title Drift Time Measurement in the ATLAS Liquid Argon Electromagnetic Calorimeter using Cosmic Muons
dc.type info:eu-repo/semantics/article
dc.date.updated 2014-05-14T13:28:41Z
dc.identifier.doi http://dx.doi.org/10.1140/epjc/s10052-010-1403-6
dc.identifier.idgrec 061926

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