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Intercalibration of the barrel electromagnetic calorimeter of the CMS experiment at start-up

Adzic, P. and Alemany-Fernandez, R. and Almeida, N. and Anagnostou, G. and Andelin, D. and Anfreville, M. and Anicin, I. and Antunovic, Z. and Arcidiacono, R. and Arenton, M. W. and Auffray, E. and Argiro, S. and Askew, A. and Atramentov, O. and Baccaro, S. and Baffioni, S. and Balazs, M. and Barney, D. and Barone, L. M. and Bartoloni, A. and Baty, C. and Bandurin, D. and Beauceron, S. and Bell, K. W. and Benetta, R. and Bercher, M. and Bernet, C. and Berthon, U. and Besancon, M. and Betev, B. and Beuselinck, R. and Biino, C. and Blaha, J. and Bloch, P. and Blyth, S. and Bornheim, A. and Bourotte, J. and Brett, A. M. and Brown, R. M. and Britton, D. and Buehler, M. and Busson, P. and Camanzi, B. and Camporesi, T. and Carrera, E. and Cartiglia, N. and Cavallari, F. and Cerutti, M. and Chang, P. and Chang, Y. H. and Charlot, C. and Chen, E. A. and Chen, W. T. and Chen, Z. and Chipaux, R. and Choudhary, B. C. and Choudhury, R. K. and Cockerill, D. J. A. and Combaret, C. and Conetti, S. and Cossutti, F. and Cox, B. and Cussans, D. G. and Dafinei, I. and Da Silva Di Calafiori, D. R. and Daskalakis, G. and Davatz, G. and David, A. and Deiters, K. and Dejardin, M. and Djordjevic, M. and Della Negra, R. and Della Ricca, G. and del Re, D. and De Min, A. and Denegri, D. and Depasse, P. and Descamps, J. and Diemoz, M. and Di Marco, E. and Dissertori, G. and Dittmar, M. and Djambazov, L. and Dobrzynski, L. and Drndarevic, S. and Duboscq, J. E. and Dutta, D. and Dzelalija, M. and Elliott-Peisert, A. and El Mamouni, H. and Evangelou, I. and Evans, D. L. and Fabbro, B. and Faure, J. L. and Fay, J. and Ferri, F. and Flower, P. S. and Francis, D. and Franzoni, G. and Freudenreich, K. and Funk, W. and Ganjour, S. and Gargiulo, C. and Gascon, S. and Gataullin, M. and Geerebaert, Y. and Gentit, F. X. and Gershtein, Y. and Ghezzi, A. and Ghodgaonkar, M. D. and Gilly, J. and Givernaud, A. and Gninenko, S. and Go, A. and Gobbo, B. and Godinovic, N. and Golubev, N. and Gong, D. and Govoni, P. and Grant, N. and Gras, P. and Greenhalgh, R. J. S. and Guevara Riveros, L. and Guillaud, J. P. and Haguenauer, M. and Hamel de Monchenault, G. and Hansen, M. and Heath, H. F. and Heltsley, B. and Hill, J. A. and Hintz, W. and Hirosky, R. and Hobson, P. R. and Honma, A. and Hou, G. W. S. and Hsiung, Y. and Husejko, M. and Ille, B. and Imlay, R. and Ingram, Q. and Jarry, P. and Jessop, C. and Jovanovic, D. and Kaadze, K. and Kachanov, V. and Kailas, S. and Kataria, S. K. and Kennedy, B. W. and Kloukinas, K. and Kokkas, P. and Kolberg, T. and Krasnikov, N. and Krpic, D. and Kubota, Y. and Kumar, P. and Kuo, C. M. and Kyberd, P. and Kyriakis, A. and Lebeau, M. and Lecomte, P. and Lecoq, P. and Ledovskoy, A. and Leshev, G. and Lethuillier, M. and Lin, S. W. and Lin, W. and Lintern, A. L. and Litvine, V. and Locci, E. and Lodge, A. B. and Longo, E. and Loukas, D. and Luckey, P. D. and Lustermann, W. and Lynch, C. and Ma, Y. and Mahlke-Krueger, H. and Malberti, M. and Malclès, J. and Maletic, D. and Mandjavidze, I. and Manthos, N. and Maravin, Y. and Marchica, C. and Marinelli, N. and Markou, A. and Markou, C. and Marone, M. and Mathez, H. and Matveev, V. and Mavrommatis, C. and Maurelli, G. and Meridiani, P. and Milenovic, P. and Milleret, G. and Miné, P. and Mohanty, A. K. and Moortgat, F. and Mur, M. and Musella, P. and Musienko, Y. and Nardulli, A. and Nash, J. and Nedelec, P. and Negri, P. and Newman, H. B. and Nikitenko, A. and Nessi-Tedaldi, F. and Obertino, M. M. and Organtini, G. and Orimoto, T. and Paganoni, M. and Paganini, P. and Palma, A. and Panev, B. and Pant, L. and Papadakis, A. and Papadakis, I. and Papadopoulos, I. and Paramatti, R. and Parracho, P. and Pastrone, N. and Patterson, J. R. and Pauss, F. and Petrakou, E. and Phillips, D. G., II and Piroué, P. and Ptochos, F. and Puljak, I. and Pullia, A. and Punz, T. and Puzovic, J. and Ragazzi, S. and Rahatlou, S. and Rander, J. and Razis, P. A. and Redaelli, N. and Renker, D. and Reucroft, S. and Reymond, J. M. and Ribeiro, P. and Roeser, U. and Rogan, C. and Romanteau, T. and Rondeaux, F. and Ronquest, M. and Rosowsky, A. and Rovelli, C. and Rumerio, P. and Rusack, R. and Rusakov, S. V. and Ryan, M. J. and Sala, L. and Salerno, R. and Santanastasio, F. and Schinzel, D. and Seez, C. and Sharp, P. and Shepherd-Themistocleous, C. H. and Siamitros, C. and Sillou, D. and Singovsky, A. and Sirois, Y. and Sirunyan, A. and Silva, J. and Silva, P. and Shiu, J. G. and Shivpuri, R. K. and Shukla, P. and Smith, B. J. and Smith, V. J. and Sproston, M. and Stöckli, F. and Suter, H. and Swain, J. and Tabarelli de Fatis, T. and Takahashi, M. and Tancini, V. and Tcheremoukhine, A. and Teller, O. and Theofilatos, K. and Thiebaux, C. and Timciuc, V. and Timlin, C. and Titov, M. and Tobias, A. and Topkar, A. and Triantis, F. A. and Troshin, S. and Tyurin, N. and Ueno, K. and Uzunian, A. and Varela, J. and Verrecchia, P. and Veverka, J. and Vichoudis, P. and Virdee, T. and Vlassov, E. and Von Gunten, H. P. and Wang, M. and Wardrope, D. and Weber, M. and Weng, J. and Williams, J. H. and Yang, Y. and Yaselli, I. and Yohay, R. and Zabi, A. and Zamiatin, N. and Zelepoukine, S. and Zhang, J. and Zhang, L. Y. and Zhu, K. and Zhu, R. Y. (2008) Intercalibration of the barrel electromagnetic calorimeter of the CMS experiment at start-up. Journal of Instrumentation, 3 (10). P10007. ISSN 1748-0221. http://resolver.caltech.edu/CaltechAUTHORS:20090619-075709365

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Abstract

Calibration of the relative response of the individual channels of the barrel electromagnetic calorimeter of the CMS detector was accomplished, before installation, with cosmic ray muons and test beams. One fourth of the calorimeter was exposed to a beam of high energy electrons and the relative calibration of the channels, the intercalibration, was found to be reproducible to a precision of about 0.3%. Additionally, data were collected with cosmic rays for the entire ECAL barrel during the commissioning phase. By comparing the intercalibration constants obtained with the electron beam data with those from the cosmic ray data, it is demonstrated that the latter provide an intercalibration precision of 1.5% over most of the barrel ECAL. The best intercalibration precision is expected to come from the analysis of events collected in situ during the LHC operation. Using data collected with both electrons and pion beams, several aspects of the intercalibration procedures based on electrons or neutral pions were investigated.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1088/1748-0221/3/10/P10007DOIArticle
http://www.iop.org/EJ/abstract/1748-0221/3/10/P10007/PublisherArticle
Additional Information:© 2008 IOP Publishing Ltd and SISSA. Received 15 September 2008, accepted for publication 24 October 2008. Published 30 October 2008. We thank the technical and administrative staff at CERN and other CMS Institutes, and acknowledge financial support from: CERN, Department of Atomic Energy and Department of Science and Technology of India, U.S. Department of Energy, U.S. National Science Foundation, Croatian Ministry of Science, Education and Sport (under grant No. 023-0982887-3064), French CNRS/Institut de Physique Nucleaire et de Physique des Particules, French Commissariat a l’Energie Atomique, Greek General Secretariat for Research and Technology, Italian Istituto Nazionale di Fisica Nucleare, Federal Agency for Science and Innovations of the Ministry for Education and Science of the Russian Federation, Federal Agency for Atomic Energy of the Russian Federation, Russian Academy of Sciences, Ministry of Science and Technological Development of Serbia, Swiss Funding Agencies, Science and Technology Facilities Council (UK).
Group:CMS@Caltech
Funders:
Funding AgencyGrant Number
CERNUNSPECIFIED
Department of Atomic Energy (India)UNSPECIFIED
Department of Energy (DOE)UNSPECIFIED
NSFUNSPECIFIED
Croatian Ministry of Science, Education and Sport023-0982887-3064
Centre National de la Recherche Scientifique (CNRS)UNSPECIFIED
Commissariat à l’Energie Atomique (CEA)UNSPECIFIED
General Secretariat for Research and Technology (GSRT)UNSPECIFIED
Istituto Nazionale di Fisica Nucleare (INFN)UNSPECIFIED
Ministry for Education and Science of the RussianUNSPECIFIED
Federal Agency for Atomic Energy of the Russian FederationUNSPECIFIED
Russian Academy of SciencesUNSPECIFIED
Ministry of Science and Technological Development of SerbiaUNSPECIFIED
Swiss Funding AgenciesUNSPECIFIED
Science and Technology Facilities Council (STFC)UNSPECIFIED
Department of Science and Technology (India)UNSPECIFIED
Institut National de Physique Nucléaire et de Physique des Particules (IN2P3)UNSPECIFIED
Subject Keywords:Calorimeters; Large detector systems for particle and astroparticle physics
Issue or Number:10
Record Number:CaltechAUTHORS:20090619-075709365
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20090619-075709365
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:14415
Collection:CaltechAUTHORS
Deposited By: Ruth Sustaita
Deposited On:13 Aug 2009 17:53
Last Modified:22 Sep 2016 22:50

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