Energy resolution of the barrel of the CMS Electromagnetic Calorimeter (Journal article)

Adzic, P./ Alemany-Fernandez, R./ Almeida, C. B./ Almeida, N./ Anagnostou, G./ Anfreville, M. G./ Anicin, I./ Antunovic, Z./ Auffray, E./ Baccaro, S./ Baffioni, S./ Golubev, N./ Golutvin, I./ Gomez-Reino, R./ Govoni, P./ Grahl, J./ Gras, P./ Greenhalgh, J./ Guillaud, J. P./ Haguenauer, M./ De Monchenault, G. H./ Baillon, P./ Hansen, M./ Heath, H. F./ Hill, J. A./ Hobson, P. R./ Holmes, D./ Holzner, A. G./ Hou, G. W./ Ille, B./ Ingram, Q./ Jain, A./ Barney, D./ Jarry, P./ Jauffret, C./ Jha, M./ Karar, M. A./ Kataria, S. K./ Katchanov, V./ Kennedy, B. W./ Kloukinas, K./ Kokkas, P./ Korjik, M./ Barone, L. M./ Krasnikov, N./ Krpic, D./ Kyriakis, A./ Lebeau, M./ Lecomte, P./ Lecoq, P./ Lemaire, M. C./ Lethuillier, M./ Lin, W./ Lintern, A. L./ Barrillon, P./ Lister, A./ Litvin, V./ Locci, E./ Lodge, A. B./ Longo, E./ Loukas, D./ Luckey, D./ Lustermann, W./ Lynch, C./ Mackay, C. K./ Bartoloni, A./ Malberti, M./ Maletic, D./ Mandjavidze, I./ Manthos, N./ Markou, A./ Mathez, H./ Mathieu, A./ Matveev, V./ Maurelli, G./ Menichetti, E./ Beauceron, S./ Meridiani, P./ Milenovic, P./ Milleret, G./ Mine, P./ Mur, M./ Musienko, Y./ Nardulli, A./ Nash, J./ Neal, H./ Nedelec, P./ Beaudette, F./ Negri, P./ Nessi-Tedaldi, F./ Newman, H. B./ Nikitenko, A./ Obertino, M. M./ Ofierzynski, R. A./ Organtini, G. C./ Paganini, P./ Paganoni, M./ Papadopoulos, I./ Bell, K. W./ Paramatti, R./ Pastrone, N./ Pauss, F./ Puljak, I./ Pullia, A./ Puzovic, J./ Ragazzi, S./ Ramos, S./ Rahatlou, S./ Rander, J./ Benetta, R./ Ranjan, K./ Ravat, O./ Raymond, M./ Razis, P. A./ Redaelli, N./ Renker, D./ Reucroft, S./ Reymond, J. M./ Reynaud, M./ Reynaud, S./ Bercher, M. J./ Romanteau, T./ Rondeaux, F./ Rosowsky, A./ Rovelli, C./ Rumerio, P./ Rusack, R./ Rusakov, S. V./ Ryan, M. J./ Rykaczewski, H./ Sakhelashvili, T./ Berthon, U./ Salerno, R./ Santos, M./ Seez, C./ Semeniouk, I./ Sharif, O./ Sharp, P./ Themistocleous, C. S./ Shevchenko, S./ Shivpuri, R. K./ Sidiropoulos, G./ Betev, B./ Sillou, D./ Singovski, A./ Sirois, Y./ Sirunyan, A. M./ Smith, B./ Smith, V. J./ Sproston, M./ Suter, H./ Swain, J./ Tabarelli de Fatis, T./ Beuselinck, R./ Takahashi, M./ Tapper, R. J./ Tcheremoukhine, A./ Teixeira, I./ Teixeira, J. P./ Teller, O./ Timlin, C./ Triantis, F. A./ Troshin, S./ Tyurin, N./ Bhardwaj, A./ Ueno, K./ Uzunian, A./ Varela, J./ Cardoso, N. V./ Verrecchia, P./ Vichoudis, P./ Vigano, S./ Viertel, G./ Virdee, T./ Vlassov, E./ Bialas, W./ Wang, M./ Weinstein, A./ Williams, J. H./ Yaselli, I./ Zabi, A./ Zamiatin, N./ Zelepoukine, S./ Zeller, M./ Zhang, L. Y./ Zhang, J./ Biino, C./ Zhang, Y./ Zhu, K./ Zhu, R. Y./ Bimbot, S./ Blaha, J./ Bloch, P./ Blyth, S./ Bordalo, P./ Bornheim, A./ Bourotte, J. M./ Britton, D./ Brown, R. M./ Bruneliere, R./ Busson, P./ Camporesi, T./ Cartiglia, N./ Cavallari, F./ Cerutti, M./ Chamont, D./ Chang, P./ Chang, Y. H./ Charlot, C./ Chatterji, S./ Chen, E. A./ Chipaux, R./ Choudhary, B. C./ Cockerill, D. J./ Collard, C./ Combaret, C./ Cossutti, F./ Da Silva, J. C./ Dafinei, I./ Daskalakis, G./ Davatz, G./ Decotigny, D./ De Min, A./ Deiters, K./ Dejardin, M./ Del Re, D./ Della Negra, R./ Della Ricca, G./ Depasse, P./ Descamp, J./ Dewhirst, G./ Dhawan, S./ Diemoz, M./ Dissertori, G./ Dittmar, M./ Djambazov, L./ Dobrzynski, L./ Drndarevic, S./ Dupanloup, M./ Dzelalija, M./ Ehlers, J./ El Mamouni, H./ Elliott-Peisert, A./ Evangelou, I./ Fabbro, B./ Faure, J. L./ Fay, J./ Ferri, F./ Flower, P. S./ Franzoni, G./ Funk, W./ Gaillac, A./ Gargiulo, C./ Shotkin, S. G./ Geerebaert, Y./ Gentit, F. X./ Ghezzi, A./ Gilly, J./ Giolo-Nicollerat, A. S./ Givernaud, A./ Gninenko, S./ Go, A./ Godinovic, N.


The energy resolution of the barrel part of the CMS Electromagnetic Calorimeter has been studied using electrons of 20 to 250 GeV in a test beam. The incident electron's energy was reconstructed by summing the energy measured in arrays of 3 x 3 or 5 x 5 channels. There was no significant amount of correlated noise observed within these arrays. For electrons incident at the centre of the studied 3 x 3 arrays of crystals, the mean stochastic term was measured to be 2.8% and the mean constant term to be 0.3%. The amount of the incident electrons' energy which is contained within the array depends on its position of incidence. The variation of the containment with position is corrected for using the distribution of the measured energy within the array. For uniform illumination of a crystal with 120 GeV electrons a resolution of 0.5% was achieved. The energy resolution meets the design goal for the detector.
Institution and School/Department of submitter: Πανεπιστήμιο Ιωαννίνων. Σχολή Επιστημών και Τεχνολογιών. Τμήμα Βιολογικών Εφαρμογών και Τεχνολογιών
Keywords: calorimeters,large detector systems for particle and astroparticle physics,performance
URI: http://olympias.lib.uoi.gr/jspui/handle/123456789/16233
ISSN: 1748-0221
Link: <Go to ISI>://000253651400005
http://iopscience.iop.org/1748-0221/2/04/P04004/pdf/1748-0221_2_04_P04004.pdf
Appears in Collections:Άρθρα σε επιστημονικά περιοδικά ( Ανοικτά)

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