CERN Accelerating science

Article
Report number	arXiv:0912.2005
Title	Performance of prototypes for the ALICE electromagnetic calorimeter
Author(s)	Allen, J. (Frascati) ; Awes, T. (Oak Ridge) ; Badala, A. (INFN, Catania ; Catania U.) ; Baumgart, S. (Yale U.) ; Bellwied, R. (Wayne State U.) ; Benhabib, L. (SUBATECH, Nantes) ; Bernard, C. (LPSC, Grenoble) ; Bianchi, N. (Frascati) ; Blanco, F. (INFN, Catania ; Houston U.) ; Bortoli, Y. (SUBATECH, Nantes) ; Bourdaud, G. (SUBATECH, Nantes) ; Bourrion, O. (LPSC, Grenoble) ; Boyer, B. (LPSC, Grenoble) ; Bruna, E. (Yale U.) ; Butterworth, J. (Creighton U.) ; Caines, H. (Yale U.) ; Calvo Diaz Aldagalan, D. (Valencia U.) ; Capitani, G.P. (Frascati) ; Carcagno, Y. (LPSC, Grenoble) ; Casanova Diaz, A. (Frascati) ; Cherney, M. (Creighton U.) ; Conesa Balbastre, G. (Frascati) ; Cormier, T.M. (Wayne State U.) ; Cunqueiro Mendez, L. (Frascati) ; Delagrange, H. (SUBATECH, Nantes) ; Del Franco, M. (Frascati) ; Dialinas, M. (SUBATECH, Nantes) ; Di Nezza, P. (Frascati) ; Donoghue, A. (Cal. Poly.) ; Elnimr, M. (Wayne State U.) ; Enokizono, A. (Oak Ridge) ; Estienne, M. (SUBATECH, Nantes) ; Faivre, J. (LPSC, Grenoble) ; Fantoni, A. (Frascati) ; Fichera, F. (INFN, Catania ; Catania U.) ; Foglio, B. (LPSC, Grenoble) ; Fresneau, S. (SUBATECH, Nantes) ; Fujita, J. (Creighton U.) ; Furget, C. (LPSC, Grenoble) ; Gadrat, S. (LPSC, Grenoble) ; Garishvili, I. (Tennessee U.) ; Germain, M. (SUBATECH, Nantes) ; Giudice, N. (INFN, Catania) ; Gorbunov, Y. (Creighton U.) ; Grimaldi, A. (INFN, Catania ; Catania U.) ; Guardone, N. (INFN, Catania) ; Guernane, R. (LPSC, Grenoble) ; Hadjidakis, C. (SUBATECH, Nantes) ; Hamblen, J. (Tennessee U.) ; Harris, J.W. (Yale U.) ; Hasch, D. (Frascati) ; Heinz, M. (Yale U.) ; Hille, P.T. (Yale U.) ; Hornback, D. (Tennessee U.) ; Ichou, R. (SUBATECH, Nantes) ; Jacobs, P. (LBL, Berkeley) ; Jangal, S. (Strasbourg, IPHC) ; Jayananda, K. (Creighton U.) ; Klay, J.L. (Cal. Poly.) ; Knospe, A.G. (Yale U.) ; Kox, S. (LPSC, Grenoble) ; Kral, J. (Helsinki Inst. of Phys. ; Jyvaskyla U.) ; Laloux, P. (SUBATECH, Nantes) ; LaPointe, S. (Wayne State U.) ; La Rocca, P. (INFN, Catania ; Enrico Fermi Ctr., Rome) ; Lewis, S. (Cal. Poly.) ; Li, Q. (Wayne State U.) ; Librizzi, F. (INFN, Catania ; Catania U.) ; Madagodahettige Don, D. (Houston U.) ; Martashvili, I. (Tennessee U.) ; Mayes, B. (Houston U.) ; Milletto, T. (SUBATECH, Nantes) ; Muccifora, V. (Frascati) ; Muller, H. (CERN) ; Muraz, J.F. (LPSC, Grenoble) ; Nattrass, C. (Yale U. ; Tennessee U.) ; Noto, F. (INFN, Catania) ; Novitzky, N. (Helsinki Inst. of Phys. ; Jyvaskyla U.) ; Odyniec, G. (LBL, Berkeley) ; Orlandi, A. (Frascati) ; Palmeri, A. (INFN, Catania ; Catania U.) ; Pappalardo, G.S. (INFN, Catania ; Catania U.) ; Pavlinov, A. (Wayne State U.) ; Pesci, W. (Frascati) ; Petrov, V. (Wayne State U.) ; Petta, C. (INFN, Catania) ; Pichot, P. (SUBATECH, Nantes) ; Pinsky, L. (Houston U.) ; Ploskon, M. (LBL, Berkeley) ; Pompei, F. (Wayne State U.) ; Pulvirenti, A. (INFN, Catania) ; Putschke, J. (Yale U.) ; Pruneau, C.A. (Wayne State U.) ; Rak, J. (Helsinki Inst. of Phys. ; Jyvaskyla U.) ; Rasson, J. (LBL, Berkeley) ; Read, K.F. (Tennessee U.) ; Real, J.S. (LPSC, Grenoble) ; Reolon, A.R. (Frascati) ; Riggi, F. (INFN, Catania) ; Riso, J. (Wayne State U.) ; Ronchetti, F. (Frascati) ; Roy, C. (Strasbourg, IPHC) ; Roy, D. (SUBATECH, Nantes) ; Salemi, M. (INFN, Catania ; Catania U.) ; Salur, S. (LBL, Berkeley) ; Sharma, M. (Wayne State U.) ; Silvermyr, D. (Oak Ridge) ; Smirnov, N. (Yale U.) ; Soltz, R. (LLNL, Livermore) ; Sparti, V. (INFN, Catania ; Catania U.) ; Stutzmann, J.S. (SUBATECH, Nantes) ; Symons, T.J.M. (LBL, Berkeley) ; Tarazona Martinez, A. (Valencia, Polytechnic U.) ; Tarini, L. (Wayne State U.) ; Thomen, R. (Creighton U.) ; Timmins, A. (Wayne State U.) ; van Leeuwen, M. (LBL, Berkeley) ; Vieira, R. (Frascati) ; Viticchie, A. (Frascati) ; Voloshin, S. (Wayne State U.) ; Wang, D. (Hua-Zhong Normal U.) ; Wang, Y. (Hua-Zhong Normal U.) ; Ward, R.M. (Cal. Poly.) Mostrar todos os 123 autores
Collaboration	ALICE EMCal group
Publication	2010
Imprint	11 Dec 2009
Number of pages	10
Note	Comments: 10 pages, 10 figures 10 pages, 10 figures
In:	Nucl. Instrum. Methods Phys. Res., A 615 (2010) 6-13
DOI	10.1016/j.nima.2009.12.061
Subject category	Detectors and Experimental Techniques
Accelerator/Facility, Experiment	CERN LHC ; ALICE
Abstract	The performance of prototypes for the ALICE electromagnetic sampling calorimeter has been studied in test beam measurements at FNAL and CERN. A $4\times4$ array of final design modules showed an energy resolution of about 11% /$\sqrt{E(\mathrm{GeV})}$ $\oplus$ 1.7 % with a uniformity of the response to electrons of 1% and a good linearity in the energy range from 10 to 100 GeV. The electromagnetic shower position resolution was found to be described by 1.5 mm $\oplus$ 5.3 mm /$\sqrt{E \mathrm{(GeV)}}$. For an electron identification efficiency of 90% a hadron rejection factor of $>600$ was obtained.

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