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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.citation	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.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.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	journal article	es_ES
dc.date.updated	2014-05-26T11:12:26Z
dc.identifier.doi	10.1016/j.nima.2010.01.037
dc.identifier.idgrec	061997
dc.rights.accessRights	open access	es_ES
dc.identifier.url	10.1016/j.nima.2010.01.037