CERN Accelerating science

ATLAS Note
Report number CERN-PH-EP-2009-019 ; ATL-TILECAL-PUB-2009-009
Title Measurement of Pion and Proton Response and Longitudinal Shower Profiles up to 20 Nuclear Interaction Lengths with the ATLAS Tile Calorimeter
Author(s)

Adragna, P (Pisa U. ; INFN, Pisa) ; Alexa, C (Bucharest, IFIN-HH) ; Anderson, K (Chicago U.) ; Antonaki, A (Athens U.) ; Arabidze, A (Athens U.) ; Batkova, L (Comenius U.) ; Batusov, V (Dubna, JINR) ; Beck, H P (Bern U., LHEP) ; Bergeaas Kuutmann, E (Stockholm U.) ; Biscarat, C (Clermont-Ferrand U.) ; Blanchot, G (CERN) ; Bogush, A (Minsk, Inst. Phys.) ; Bohm, C (Stockholm U.) ; Boldea, V (Bucharest, IFIN-HH) ; Bosman, M (Barcelona, IFAE) ; Bromberg, C (Michigan State U.) ; Budagov, J (Dubna, JINR) ; Burckhart-Chromek, D (CERN) ; Caprini, M (Bucharest, IFIN-HH) ; Caloba, L (Rio de Janeiro Federal U.) ; Calvet, D (Clermont-Ferrand U.) ; Carli, T (CERN) ; Carvalho, J (LIP, Coimbra) ; Cascella, M (Pisa U. ; INFN, Pisa) ; Castelo, J (Valencia U., IFIC) ; Castillo, M V (Valencia U., IFIC) ; Cavalli-Sforza, M (Barcelona, IFAE) ; Cavasinni, V (Pisa U. ; INFN, Pisa) ; Cerqueira, A S (Rio de Janeiro Federal U.) ; Clement, C (Stockholm U.) ; Cobal, M (CERN) ; Cogswell, F (Illinois U., Urbana) ; Constantinescu, S (Bucharest, IFIN-HH) ; Costanzo, D (Pisa U. ; INFN, Pisa) ; Corso-Radu, A (CERN) ; Cuenca, C (Valencia U., IFIC) ; Damazio, D O (Rio de Janeiro Federal U.) ; Davidek, T (Charles U. ; CERN) ; De, K (Texas U., Arlington ; Lisbon U.) ; Del Prete, T (Pisa U. ; INFN, Pisa) ; Di Girolamo, B (CERN) ; Dita, S (Bucharest, IFIN-HH) ; Djobava, T (Tbilisi State U.) ; Dobson, M (CERN) ; Dotti, A (Pisa U. ; INFN, Pisa) ; Downing, R (Illinois U., Urbana) ; Efthymiopoulos, I (CERN) ; Eriksson, D (Stockholm U.) ; Errede, D (Illinois U., Urbana) ; Errede, S (Illinois U., Urbana) ; Farbin, A (Texas U., Arlington ; Lisbon U.) ; Fassouliotis, D (Athens U.) ; Febbraro, R (Clermont-Ferrand U.) ; Fenyuk, A (Serpukhov, IHEP) ; Ferdi, C (Clermont-Ferrand U.) ; Ferrer, A (Valencia U., IFIC) ; Flaminio, V (Pisa U. ; INFN, Pisa) ; Francis, D (CERN) ; Fullana, E (Valencia U., IFIC) ; Gadomski, S (Bern U., LHEP) ; Gameiro, S (CERN) ; Garde, V (Clermont-Ferrand U.) ; Gellerstedt, K (Stockholm U.) ; Giakoumopoulou, V (Athens U.) ; Gildemeister, O (CERN) ; Gilewsky, V (Minsk, High Energy Phys. Ctr.) ; Giokaris, N (Athens U.) ; Gollub, N (CERN) ; Gomes, A (Lisbon, LIFEP) ; Gonzalez, V (Valencia U., IFIC) ; Gorini, B (CERN) ; Grenier, P (CERN ; Clermont-Ferrand U.) ; Gris, P (Clermont-Ferrand U.) ; Gruwe, M (CERN) ; Guarino, V (Argonne) ; Guicheney, C (Clermont-Ferrand U.) ; Gupta, A (Chicago U.) ; Haeberli, C (Bern U., LHEP) ; Hakobyan, H (Yerevan Phys. Inst.) ; Haney, M (Illinois U., Urbana) ; Hellman, S (Stockholm U.) ; Henriques, A (CERN) ; Higon, E (Valencia U., IFIC) ; Holmgren, S (Stockholm U.) ; Hurwitz, M (Chicago U.) ; Huston, J (Michigan State U.) ; Iglesias, C (Barcelona, IFAE) ; Isaev, A (Serpukhov, IHEP) ; Jen-La Plante, I (Chicago U.) ; Jon-And, K (Stockholm U.) ; Joos, M (CERN) ; Junk, T (Illinois U., Urbana) ; Karyukhin, A (Serpukhov, IHEP) ; Kazarov, A (St. Petersburg, INP) ; Khandanyan, H (Illinois U., Urbana) ; Khramov, J (Dubna, JINR) ; Khubua, J (Tbilisi State U. ; Dubna, JINR) ; Kolos, S (St. Petersburg, INP) ; Korolkov, I (Barcelona, IFAE) ; Krivkova, P (Charles U.) ; Kulchitsky, Y (Minsk, Inst. Phys. ; Dubna, JINR) ; Kurochkin, Yu (Minsk, Inst. Phys.) ; Kuzhir, P (Minsk, High Energy Phys. Ctr.) ; LeCompte, T (Argonne) ; Lefevre, R (Clermont-Ferrand U.) ; Lehmann, G (CERN) ; Leitner, R (Charles U.) ; Lembesi, M (Athens U.) ; Lesser, J (Stockholm U.) ; Li, J (Texas U., Arlington ; Lisbon U.) ; Liablin, M (Dubna, JINR) ; Lokajicek, M (Prague, Inst. Phys.) ; Lomakin, Y (Dubna, JINR) ; Lupi, A (Pisa U. ; INFN, Pisa) ; Maidanchik, C (Rio de Janeiro Federal U.) ; Maio, A (Lisbon, LIFEP) ; Makouski, M (Serpukhov, IHEP) ; Maliukov, S (Dubna, JINR) ; Manousakis, A (Athens U.) ; Mapelli, L (CERN) ; Marques, C (Lisbon, LIFEP) ; Marroquim, F (Rio de Janeiro Federal U.) ; Martin, F (CERN ; Clermont-Ferrand U.) ; Mazzoni, E (Pisa U. ; INFN, Pisa) ; Merritt, F (Chicago U.) ; Miagkov, A (Serpukhov, IHEP) ; Miller, R (Michigan State U.) ; Minashvili, I (Dubna, JINR) ; Miralles, L (Barcelona, IFAE) ; Montarou, G (Clermont-Ferrand U.) ; Mosidze, M (Tbilisi State U.) ; Myagkov, A (Serpukhov, IHEP) ; Nemecek, S (Prague, Inst. Phys.) ; Nessi, M (CERN) ; Nodulman, L (Argonne) ; Nordkvist, B (Stockholm U.) ; Norniella, O (Barcelona, IFAE) ; Novakova, J (Charles U.) ; Onofre, A (Catolica Portuguesa U., Figueira da Foz) ; Oreglia, M (Chicago U.) ; Pallin, D (Clermont-Ferrand U.) ; Pantea, D (Bucharest, IFIN-HH) ; Petersen, J (CERN) ; Pilcher, J (Chicago U.) ; Pina, J (Lisbon, LIFEP) ; Pinhao, J (LIP, Coimbra) ; Podlyski, F (Clermont-Ferrand U.) ; Portell Bueso, X (Barcelona, IFAE) ; Poveda, J (Valencia U., IFIC) ; Pribyl, L (Prague, Inst. Phys. ; CERN) ; Price, L E (Argonne) ; Proudfoot, J (Argonne) ; Ramstedt, M (Stockholm U.) ; Richards, R (Michigan State U.) ; Roda, C (Pisa U. ; INFN, Pisa) ; Romanov, V (Dubna, JINR) ; Rosnet, P (Clermont-Ferrand U.) ; Roy, P (Clermont-Ferrand U.) ; Ruiz, A (Valencia U., IFIC) ; Rumiantsev, V (Minsk, High Energy Phys. Ctr.) ; Russakovich, N (Dubna, JINR) ; Salto, O (Barcelona, IFAE) ; Salvachua, B (Valencia U., IFIC) ; Sanchis, E (Valencia U., IFIC) ; Sanders, H (Chicago U.) ; Santoni, C (Clermont-Ferrand U.) ; Saraiva, J G (Lisbon, LIFEP) ; Sarri, F (Pisa U. ; INFN, Pisa) ; Satsunkevitch, I (Minsk, Inst. Phys.) ; Says, L P (Clermont-Ferrand U.) ; Schlager, G (CERN) ; Schlereth, J (Argonne) ; Seixas, J M (Rio de Janeiro Federal U.) ; Sellden, B (Stockholm U.) ; Shalanda, N (Serpukhov, IHEP) ; Shevtsov, P (Minsk, High Energy Phys. Ctr.) ; Shochet, M (Chicago U.) ; Silva, J (Lisbon, LIFEP) ; Da Silva, P (Rio de Janeiro Federal U.) ; Simaitis, V (Illinois U., Urbana) ; Simonyan, M (Yerevan Phys. Inst.) ; Sissakian, A (Dubna, JINR) ; Sjolin, J (Stockholm U.) ; Solans, C (Valencia U., IFIC) ; Solodkov, A (Serpukhov, IHEP) ; Soloviev, I (St. Petersburg, INP) ; Solovyanov, O (Serpukhov, IHEP) ; Sosebee, M (Texas U., Arlington ; Lisbon U.) ; Spano, F (Nevis Labs, Columbia U.) ; Stanek, R (Argonne) ; Starchenko, E (Serpukhov, IHEP) ; Starovoitov, P (Minsk, High Energy Phys. Ctr.) ; Stavina, P (Comenius U.) ; Suk, M (Charles U.) ; Sykora, I (Comenius U.) ; Tang, F (Chicago U.) ; Tas, P (Charles U.) ; Teuscher, R (Chicago U.) ; Tokar, S (Comenius U.) ; Topilin, N (Dubna, JINR) ; Torres, J (Valencia U., IFIC) ; Tremblet, L (CERN) ; Tsiareshka, P (Dubna, JINR ; Minsk, Inst. Phys.) ; Tylmad, M (Stockholm U.) ; Underwood, D (Argonne) ; Unel, G (CERN ; UC, Irvine) ; Usai, G (Pisa U. ; INFN, Pisa) ; Valero, A (Valencia U., IFIC) ; Valkar, S (Charles U.) ; Valls, J A (Valencia U., IFIC) ; Vartapetian, A (Texas U., Arlington ; Lisbon U.) ; Vazeille, F (Clermont-Ferrand U.) ; Vichou, I (Illinois U., Urbana) ; Vinogradov, V (Dubna, JINR) ; Vivarelli, I (Pisa U. ; INFN, Pisa) ; Volpi, M (Barcelona, IFAE) ; White, A (Texas U., Arlington ; Lisbon U.) ; Zaitsev, A (Serpukhov, IHEP) ; Zenine, A (Serpukhov, IHEP) ; Zenis, T (Comenius U.)

Publication 2010
Imprint 08 Oct 2009
Number of pages 60
In: Nucl. Instrum. Methods Phys. Res., A 615 (2010) 158-181
DOI 10.1016/j.nima.2010.01.037
Subject category Detectors and Experimental Techniques
Accelerator/Facility, Experiment CERN LHC ; ATLAS
CERN SPS
Test beam H8
Free keywords Tile calorimeter, pion and proton response ; and shower development, Grooms parameterisation, ; Geant4 Monte Carlo simulations
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.
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