Performance of prototypes for the ALICE electromagnetic calorimeter

被引:21
|
作者
Allen, J. [1 ]
Awes, T. [15 ]
Badala, A. [4 ]
Baumgart, S. [14 ]
Bellwied, R. [5 ]
Benhabib, L. [13 ]
Bernard, C. [7 ]
Bianchi, N. [1 ]
Blanco, F. [3 ,4 ,8 ]
Bortoli, Y. [13 ]
Bourdaud, G. [13 ]
Bourrion, O. [7 ]
Boyer, B. [7 ]
Bruna, E. [14 ]
Butterworth, J. [16 ]
Caines, H. [14 ]
Diaz Aldagalan, D. Calvo [21 ]
Capitani, G. P. [1 ]
Carcagno, Y. [7 ]
Diaz, A. Casanova [1 ]
Cherney, M. [16 ]
Balbastre, G. Conesa [1 ]
Cormier, T. M. [5 ]
Mendez, L. Cunqueiro [1 ]
Delagrange, H. [13 ]
Del Franco, M. [1 ]
Dialinas, M. [13 ]
Di Nezza, P. [1 ]
Donoghue, A. [19 ]
Elnimr, M. [5 ]
Enokizono, A. [15 ]
Estienne, M. [13 ]
Faivre, J. [7 ]
Fantoni, A. [1 ]
Fichera, F. [4 ]
Foglio, B. [7 ]
Fresneau, S. [13 ]
Fujita, J. [16 ]
Furget, C. [7 ]
Gadrat, S. [7 ]
Garishvili, I. [11 ]
Germain, M. [13 ]
Giudice, N. [3 ,4 ]
Gorbunov, Y. [16 ]
Grimaldi, A. [4 ]
Guardone, N. [3 ,4 ]
Guernane, R. [7 ]
Hadjidakis, C. [13 ]
Hamblen, J. [11 ]
Harris, J. W. [14 ]
机构
[1] Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, Italy
[2] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA
[3] Univ Catania, Dipartimento Fis & Astron, I-95123 Catania, Italy
[4] Sezione Ist Nazl Fis Nucl, I-95123 Catania, Italy
[5] Wayne State Univ, Detroit, MI 48202 USA
[6] CERN, European Org Nucl Res, CH-1211 Geneva, Switzerland
[7] Univ Grenoble 1, LPSC, IN2P3, CNRS,INPG, F-38026 Grenoble, France
[8] Univ Houston, Houston, TX 77204 USA
[9] HIP, Jyvaskyla 40351, Finland
[10] Univ Jyvaskyla, SF-40351 Jyvaskyla, Finland
[11] Univ Tennessee, Knoxville, TN 37996 USA
[12] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA
[13] Univ Nantes, Ecole Mines Nantes, SUBATECH, CNRS,IN2P3, F-44307 Nantes 3, France
[14] Yale Univ, New Haven, CT 06511 USA
[15] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA
[16] Creighton Univ, Omaha, NE 68178 USA
[17] Museo Stor Fis, I-00184 Rome, Italy
[18] Ctr Studi & Ric Enrico Fermi, I-00184 Rome, Italy
[19] Calif Polytech State Univ San Luis Obispo, San Luis Obispo, CA 93407 USA
[20] Univ Strasbourg, IPHC, CNRS, IN2P3, F-67037 Strasbourg 2, France
[21] Univ Valencia, Valencia 46010, Spain
[22] Univ Politecn Valencia, Valencia 46022, Spain
[23] Huazhong Normal Univ, Wuhan 430079, Peoples R China
基金
美国国家科学基金会;
关键词
Electromagnetic calorimeter; Sampling calorimeter; Energy resolution; Position resolution; Hadron rejection factor;
D O I
10.1016/j.nima.2009.12.061
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
The performance of prototypes for the ALICE electromagnetic sampling calorimeter has been studied in test beam measurements at FNAL and CERN. A 4 x 4 array of final design modules showed an energy resolution of about 11%/root E(GeV) circle plus 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 min circle plus 5.3 mm/root E(GeV). For an electron identification efficiency of 90% a hadron rejection factor of >600 was obtained. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码:6 / 13
页数:8
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