/ Experiment-HEP hep-ex/9904032


Hadronic shower development in iron scintillator tile calorimetry


Amaral, P. ; Amorim, A. ; Anderson, K. ; Barreira, G. ; Benetta, R. ; Berglund, S. ; Biscarat, C. ; Blanchot, G. ; Blucher, E. ; Bogush, A. ; Bohm, C. ; Boldea, V. ; Borisov, O. ; Bosman, M. ; Bromberg, C. ; Budagov, J. ; Burdin, S. ; Caloba, L. ; Carvalho, J. ; Casado, P. ; Castillo, M.V. ; Cavalli-Sforza, M. ; Cavasinni, V. ; Chadelas, R. ; Chirikov-Zorin, I. ; Chlachidze, G. ; Cobal-Grassmann, Marina ; Cogswell, F. ; Colaco, F. ; Cologna, S. ; Constantinescu, S. ; Costanzo, D. ; Crouau, M. ; Daudon, F. ; David, J. ; David, M. ; Davidek, T. ; Dawson, J. ; De, K. ; Del Prete, T. ; De Santo, A. ; Di Girolamo, B. ; Dita, S. ; Dolejsi, J. ; Dolezal, Z. ; Downing, R. ; Efthymiopoulos, I. ; Engstrom, M. ; Errede, D. ; Errede, S. ; Evans, H. ; Fenyuk, A. ; Ferrer, A. ; Flaminio, V. ; Gallas, E. ; Gaspar, M. ; Gil Botella, Ines ; Gildemeister, O. ; Glagolev, V. ; Gomes, A. ; Gonzalez, V. ; Gonzalez De La Hoz, S. ; Grabski, V. ; Grauges, E. ; Grenier, P. ; Hakopian, H. ; Haney, M. ; Hansen, M. ; Hellman, S. ; Henriques, A. ; Hebrard, C. ; Higon, E. ; Holmgren, S. ; Huston, J. ; Ivanyushenkov, Yu. ; Jon-And, Kerstin B. ; Juste, A. ; Kakurin, S. ; Karapetian, G. ; Karyukhin, A. ; Kopikov, S. ; Kukhtin, V. ; Kulchitsky, Y. ; Kurzbauer, W. ; Kuzmin, M. ; Lami, S. ; Lapin, V. ; Lazzeroni, C. ; Lebedev, A. ; Leitner, R. ; Li, J. ; Lomakin, Yu. ; Lomakina, O. ; Lokajicek, M. ; Lopez Amengual, J.M. ; Maio, A. ; Malyukov, S. ; Marroquin, F. ; Martins, J.P. ; Mazzoni, E. ; Merritt, F. ; Miller, R. ; Minashvili, I. ; Miralles, L. ; Montarou, G. ; Munar, A. ; Nemecek, S. ; Nessi, M. ; Onofre, A. ; Orteu, S. ; Park, I.C. ; Pallin, D. ; Pantea, D. ; Paoletti, R. ; Patriarca, J. ; Pereira, A. ; Perlas, J.A. ; Petit, P. ; Pilcher, J. ; Pinhao, J. ; Poggioli, L. ; Price, L. ; Proudfoot, J. ; Pukhov, O. ; Reinmuth, G. ; Renzoni, G. ; Richards, R. ; Roda, C. ; Romance, J.B. ; Romanov, V. ; Ronceux, B. ; Rosnet, P. ; Rumyantsev, V. ; Russakovich, N. ; Sanchis, E. ; Sanders, H. ; Santoni, C. ; Santos, J. ; Sawyer, L. ; Says, L.P. ; Seixas, J.M. ; Sellden, B. ; Semenov, A. ; Shchelchkov, A. ; Shochet, M. ; Simaitis, V. ; Sisakian, A. ; Solodkov, Alexander A. ; Solovianov, O. ; Sonderegger, P. ; Sosebee, M. ; Soustruznik, K. ; Spano, F. ; Stanek, R. ; Starchenko, E. ; Stephens, R. ; Suk, M. ; Tang, F. ; Tas, P. ; Thaler, J. ; Tokar, S. ; Topilin, N. ; Trka, Z. ; Turcot, A. ; Turcotte, M. ; Valkar, S. ; Varandas, M.J. ; Vartapetian, A. ; Vazeille, F. ; Vichou, I. ; Vinogradov, V. ; Vorozhtsov, S. ; Wagner, D. ; White, A. ; Wolters, H. ; Yamdagni, N. ; Yarygin, G. ; Yosef, C. ; Zaitsev, A. ; Zdrazil, M. ; Zuniga, J.

Published in: Nucl.Instrum.Meth.
Year: 2000
Vol.: A443
Page No: 51-70
Pages: 36

Abstract: The lateral and longitudinal profiles of hadronic showers detected by a prototype of the ATLAS Iron-Scintillator Tile Hadron Calorimeter have been investigated. This calorimeter uses a unique longitudinal configuration of scintillator tiles. Using a fine-grained pion beam scan at 100 GeV, a detailed picture of transverse shower behavior is obtained. The underlying radial energy densities for four depth segments and for the entire calorimeter have been reconstructed. A three-dimensional hadronic shower parametrization has been developed. The results presented here are useful for understanding the performance of iron-scintillator calorimeters, for developing fast simulations of hadronic showers, for many calorimetry problems requiring the integration of a shower energy deposition in a volume and for future calorimeter design.

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