Measurement of pion and proton response and longitudinal shower profiles up to 20 nuclear interaction lengths with the ATLAS Tile calorimeter
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Measurement of pion and proton response and longitudinal shower profiles up to 20 nuclear interaction lengths with the ATLAS Tile calorimeter

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Measurement of pion and proton response and longitudinal shower profiles up to 20 nuclear interaction lengths with the ATLAS Tile calorimeter

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dc.contributor.author Higón Rodríguez, Emilio
dc.contributor.author Castillo Giménez, María Victoria
dc.contributor.author Ferrer Soria, Antonio
dc.contributor.author Valls Ferrer, Juan Antonio
dc.contributor.author Valero Biot, Alberto
dc.date.accessioned 2014-05-26T11:12:26Z
dc.date.available 2014-05-26T11:12:26Z
dc.date.issued 2010
dc.identifier.uri http://dx.doi.org/10.1016/j.nima.2010.01.037
dc.identifier.uri http://hdl.handle.net/10550/35430
dc.description.abstract The response of pions and protons in the energy range of 20 to 180 GeV produced at CERN's SPS H8 test beam line in the ATLAS iron-scintillator Tile hadron calorimeter has been measured. The test-beam configuration allowed to measure the longitudinal shower development for pions and protons up to 20 nuclear interaction lengths. It is found that pions penetrate deeper in the calorimeter than protons. However, protons induce showers that are wider laterally to the direction of the impinging particle. Including the measured total energy response, the pion to proton energy ratio and the resolution, all observations are consistent with a higher electromagnetic energy fraction in pion induced showers. The data are compared with GEANT4 simulations using several hadronic physics lists. The measured longitudinal shower profiles are described by an analytical shower parameterization within an accuracy of 5-10%. The amount of energy leaking out behind the calorimeter is determined and parameterised as a function of the beam energy and the calorimeter depth. This allows for a leakage correction of test-beam results in the standard projective geometry.
dc.relation.ispartof Nuclear Instruments & Methods in Physics Research Section A-Accelerators Spectrometers Detectors and Associated Equipment, 2010, vol. 615, num. 2, p. 158-181
dc.rights.uri info:eu-repo/semantics/openAccess
dc.source Higón Rodríguez, Emilio Castillo Giménez, María Victoria Ferrer Soria, Antonio Valls Ferrer, Juan Antonio 2010 Measurement of pion and proton response and longitudinal shower profiles up to 20 nuclear interaction lengths with the ATLAS Tile calorimeter Nuclear Instruments & Methods in Physics Research Section A-Accelerators Spectrometers Detectors and Associated Equipment 615 2 158 181
dc.subject Detectors de radiació
dc.subject Partícules (Física nuclear)
dc.title Measurement of pion and proton response and longitudinal shower profiles up to 20 nuclear interaction lengths with the ATLAS Tile calorimeter
dc.type info:eu-repo/semantics/article
dc.date.updated 2014-05-26T11:12:26Z
dc.identifier.doi http://dx.doi.org/10.1016/j.nima.2010.01.037
dc.identifier.idgrec 061997

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