CERN Accelerating science

Article
Title	Photon reconstruction in the ATLAS Inner Detector and Liquid Argon Barrel Calorimeter at the 2004 Combined Test Beam
Author(s)	Abat, E (Bogazici U.) ; Abdallah, J M (Barcelona, IFAE) ; Addy, T N (Hampton U.) ; Adragna, P (Queen Mary, U. of London) ; Aharrouche, M (Mainz U., Inst. Phys.) ; Ahmad, A (Taiwan, Inst. Phys.) ; Akesson, T.P A (Lund U.) ; Aleksa, M (CERN) ; Alexa, C (Bucharest, IFIN-HH) ; Anderson, K (Chicago U., EFI) ; Andreazza, A (Milan U ; INFN, Milan) ; Anghinolfi, F (CERN) ; Antonaki, A (Athens U.) ; Arabidze, G (Athens U.) ; Arik, E (Bogazici U.) ; Atkinson, T (Melbourne U.) ; Baines, J (Rutherford) ; Baker, O K (Yale U.) ; Banfi, D (Milan U ; INFN, Milan) ; Baron, S (CERN) ; Barr, A J (Oxford U.) ; Beccherle, R (Genoa U ; INFN, Genoa) ; Beck, H P (Bern U., LHEP) ; Belhorma, B (LPSC, Grenoble) ; Bell, P J (Manchester U.) ; Benchekroun, D (Casablanca U.) ; Benjamin, D P (Duke U.) ; Benslama, K (Regina U.) ; Bergeaas Kuutmann, E (Stockholm U., OKC ; Stockholm U.) ; Bernabeu, J (Barcelona, Inst. Microelectron. ; Valencia U. ; Valencia U., IFIC) ; Bertelsen, H (Copenhagen U.) ; Binet, S (Orsay, LAL) ; Biscarat, C (CC, Villeurbanne) ; Boldea, V (Bucharest, IFIN-HH) ; Bondarenko, V G (Moscow Phys. Eng. Inst.) ; Boonekamp, M (DSM, DAPNIA, Saclay) ; Bosman, M (Barcelona, IFAE) ; Bourdarios, C (Orsay, LAL) ; Broklova, Z (Charles U.) ; Burckhart-Chromek, D (CERN) ; Bychkov, V (Dubna, JINR) ; Callahan, J (Indiana U.) ; Calvet, D (Clermont-Ferrand U.) ; Canneri, M (Pisa U ; INFN, Pisa) ; Capeans Garrido, M (CERN) ; Caprini, M (Bucharest, IFIN-HH) ; Cardiel Sas, L (CERN) ; Carli, T (CERN) ; Carminati, L (Milan U ; INFN, Milan) ; Carvalho, J (Lisbon U ; Lisbon, LIFEP ; Coimbra U.) ; Cascella, M (Pisa U ; INFN, Pisa) ; Castillo, M V (Barcelona, Inst. Microelectron. ; Valencia U. ; Valencia U., IFIC) ; Catinaccio, A (CERN) ; Cauz, D (ICTP, Trieste ; INFN, Udine ; Udine U.) ; Cavalli, D (INFN, Milan) ; Cavalli-Sforza, M (Barcelona, IFAE) ; Cavasinni, V (Pisa U ; INFN, Pisa) ; Cetin, S A (Bogazici U.) ; Chen, H (Brookhaven) ; Cherkaoui, R (Rabat U.) ; Chevalier, L (DSM, DAPNIA, Saclay) ; Chevallier, F (LPSC, Grenoble) ; Chouridou, S (UC, Santa Cruz) ; Ciobotaru, M (UC, Irvine) ; Citterio, M (INFN, Milan) ; Clark, A (Geneva U.) ; Cleland, B (Pittsburgh U.) ; Cobal, M (ICTP, Trieste ; INFN, Udine ; Udine U.) ; Cogneras, E (Bern U., LHEP) ; Conde Muino, P (Lisbon U ; Lisbon, LIFEP) ; Consonni, M (Milan U ; INFN, Milan) ; Constantinescu, S (Bucharest, IFIN-HH) ; Cornelissen, T (CERN) ; Correard, S (Marseille, CPPM) ; Corso-Radu, A (CERN) ; Costa, G (INFN, Milan) ; Costa, M J (Barcelona, Inst. Microelectron. ; Valencia U. ; Valencia U., IFIC) ; Costanzo, D (Sheffield U.) ; Cuneo, S (Genoa U ; INFN, Genoa) ; Cwetanski, P (Indiana U.) ; Da Silva, D (Rio de Janeiro Federal U.) ; Dam, M (Copenhagen U.) ; Dameri, M (Genoa U ; INFN, Genoa) ; Danielsson, H O (CERN) ; Dannheim, D (CERN) ; Darbo, G (Genoa U ; INFN, Genoa) ; Davidek, T (Charles U.) ; De, K (Texas U., Arlington) ; Defay, P O (Clermont-Ferrand U.) ; Dekhissi, B (Oujda U.) ; Del Peso, J (Madrid, Autonoma U.) ; Del Prete, T (Pisa U ; INFN, Pisa) ; Delmastro, M (CERN) ; Derue, F (Paris U., VI-VII) ; Di Ciaccio, L (Annecy, LAPP) ; Di Girolamo, B (CERN) ; Dita, S (Bucharest, IFIN-HH) ; Dittus, F (CERN) ; Djama, F (Marseille, CPPM) ; Djobava, T (Tbilisi State U.) ; Dobos, D (Dortmund U.) ; Dobson, M (CERN) ; Dolgoshein, B A (Moscow Phys. Eng. Inst.) ; Dotti, A (Pisa U ; INFN, Pisa) ; Drake, G (Argonne) ; Drasal, Z (Charles U.) ; Dressnandt, N (Pennsylvania U.) ; Driouchi, C (Copenhagen U.) ; Drohan, J (University Coll. London) ; Ebenstein, W L (Duke U.) ; Eerola, P (Lund U.) ; Efthymiopoulos, I (CERN) ; Egorov, K (Indiana U.) ; Eifert, T F (CERN) ; Einsweiler, K (UC, Berkeley ; LBL, Berkeley) ; El Kacimi, M (Cadi Ayyad U., Marrakech ; Annecy, LAPP) ; Elsing, M (CERN) ; Emelyanov, D (Rutherford) ; Escobar, C (Barcelona, Inst. Microelectron. ; Valencia U. ; Valencia U., IFIC) ; Etienvre, A I (DSM, DAPNIA, Saclay) ; Fabich, A (CERN) ; Facius, K (Copenhagen U.) ; Idrissi Fakhr-Eddine, A (Cadi Ayyad U., Marrakech) ; Fanti, M (Milan U ; INFN, Milan) ; Farbin, A (Texas U., Arlington) ; Farthouat, P (CERN) ; Fassouliotis, D (Athens U.) ; Fayard, L (Orsay, LAL) ; Febbraro, R (Clermont-Ferrand U.) ; Fedin, O L (St. Petersburg, INP) ; Fenyuk, A (Serpukhov, IHEP) ; Fergusson, D (UC, Berkeley ; LBL, Berkeley) ; Ferrari, P (CERN) ; Ferrari, R (Pavia U ; INFN, Pavia) ; Ferreira, B C (Rio de Janeiro Federal U.) ; Ferrer, A (Barcelona, Inst. Microelectron. ; Valencia U. ; Valencia U., IFIC) ; Ferrere, D (Geneva U.) ; Filippini, G (Clermont-Ferrand U.) ; Flick, T (Wuppertal U.) ; Fournier, D (Orsay, LAL) ; Francavilla, P (Pisa U ; INFN, Pisa) ; Francis, D (CERN) ; Froeschl, R (CERN) ; Froidevaux, D (CERN) ; Fullana, E (Argonne) ; Gadomski, S (Geneva U.) ; Gagliardi, G (Genoa U ; INFN, Genoa) ; Gagnon, P (Indiana U.) ; Gallas, M (CERN) ; Gallop, B J (Rutherford) ; Gameiro, S (CERN) ; Gan, K K (Ohio State U.) ; Garcia, R (Madrid, Autonoma U.) ; Garcia, C (Barcelona, Inst. Microelectron. ; Valencia U. ; Valencia U., IFIC) ; Gavrilenko, I L (Lebedev Inst.) ; Gemme, C (Genoa U ; INFN, Genoa) ; Gerlach, P (Wuppertal U.) ; Ghodbane, N (Clermont-Ferrand U.) ; Giakoumopoulou, V (Athens U.) ; Giangiobbe, V (Pisa U ; INFN, Pisa) ; Giokaris, N (Athens U.) ; Glonti, G (Dubna, JINR) ; Gottfert, T. (Munich, Max Planck Inst.) ; Golling, T (UC, Berkeley ; LBL, Berkeley) ; Gollub, N (CERN) ; Gomes, A (Lisbon U ; Lisbon, LIFEP ; Lisbon U., CFNUL ; Lisbon U.) ; Gomez, M D (Geneva U.) ; Gonzalez-Sevilla, S (Barcelona, Inst. Microelectron. ; Valencia U. ; Valencia U., IFIC) ; Goodrick, M J (Cambridge U.) ; Gorfine, G (NIKHEF, Amsterdam) ; Gorini, B (CERN) ; Goujdami, D (Cadi Ayyad U., Marrakech) ; Grahn, K J (Royal Inst. Tech., Stockholm) ; Grenier, P (Clermont-Ferrand U.) ; Grigalashvili, N (Dubna, JINR) ; Grishkevich, Y (SINP, Moscow) ; Grosse-Knetter, J (Bonn U.) ; Gruwe, M (CERN) ; Guicheney, C (Clermont-Ferrand U.) ; Gupta, A (Chicago U., EFI) ; Haeberli, C (Bern U., LHEP) ; Hartel, R. (Munich, Max Planck Inst.) ; Hajduk, Z (Cracow, INP) ; Hakobyan, H (Yerevan Phys. Inst.) ; Hance, M (Pennsylvania U.) ; Hansen, J D (Copenhagen U.) ; Hansen, P H (Copenhagen U.) ; Hara, K (Tsukuba U., GSPAS) ; Harvey, A., Jr (Hampton U.) ; Hawkings, R J (CERN) ; Heinemann, F.E W (Oxford U.) ; Henriques Correia, A (CERN) ; Henss, T (Wuppertal U.) ; Hervas, L (CERN) ; Higon, E (Barcelona, Inst. Microelectron. ; Valencia U. ; Valencia U., IFIC) ; Hill, J C (Cambridge U.) ; Hoffman, J (Southern Methodist U.) ; Hostachy, J Y (LPSC, Grenoble) ; Hruska, I (Charles U.) ; Hubaut, F (Marseille, CPPM) ; Huegging, F (Bonn U.) ; Hulsbergen, W (CERN) ; Hurwitz, M (Chicago U., EFI) ; Iconomidou-Fayard, L (Orsay, LAL) ; Jansen, E (Nijmegen U.) ; Jen-La Plante, I (Chicago U., EFI) ; Johansson, P.D C (Sheffield U.) ; Jon-And, K (Stockholm U., OKC ; Stockholm U.) ; Joos, M (CERN) ; Jorgensen, S (Barcelona, IFAE) ; Joseph, J (UC, Berkeley ; LBL, Berkeley) ; Kaczmarska, A (Cracow, INP) ; Kado, M (Orsay, LAL) ; Karyukhin, A (Serpukhov, IHEP) ; Kataoka, M (CERN) ; Kayumov, F (Lebedev Inst.) ; Kazarov, A (St. Petersburg, INP) ; Keener, P T (Pennsylvania U.) ; Kekelidze, G D (Dubna, JINR) ; Kerschen, N (Sheffield U.) ; Kersten, S (Wuppertal U.) ; Khomich, A (Mannheim U.) ; Khoriauli, G (Dubna, JINR) ; Khramov, E (Dubna, JINR) ; Khristachev, A (St. Petersburg, INP) ; Khubua, J (Dubna, JINR) ; Kittelmann, T H (Copenhagen U.) ; Klingenberg, R (Dortmund U.) ; Klinkby, E B (Duke U.) ; Kodys, P (Charles U.) ; Koffas, T (CERN) ; Kolos, S (UC, Irvine) ; Konovalov, S P (Lebedev Inst.) ; Konstantinidis, N (University Coll. London) ; Kopikov, S (Serpukhov, IHEP) ; Korolkov, I (Barcelona, IFAE) ; Kostyukhin, V (Genoa U ; INFN, Genoa) ; Kovalenko, S (St. Petersburg, INP) ; Kowalski, T Z (AGH-UST, Cracow) ; Kruger, K. (CERN) ; Kramarenko, V (SINP, Moscow) ; Kudin, L G (St. Petersburg, INP) ; Kulchitsky, Y (Dubna, JINR ; Minsk, Inst. Phys.) ; Lacasta, C (Barcelona, Inst. Microelectron. ; Valencia U. ; Valencia U., IFIC) ; Lafaye, R (Annecy, LAPP) ; Laforge, B (Paris U., VI-VII) ; Lampl, W (Arizona U.) ; Lanni, F (Brookhaven) ; Laplace, S (Annecy, LAPP) ; Lari, T (INFN, Milan) ; Le Bihan, A C (CERN) ; Lechowski, M (Orsay, LAL) ; Ledroit-Guillon, F (LPSC, Grenoble) ; Lehmann, G (CERN) ; Leitner, R (Charles U.) ; Lelas, D (Orsay, LAL) ; Lester, C G (Cambridge U.) ; Liang, Z (Southern Methodist U.) ; Lichard, P (CERN) ; Liebig, W (NIKHEF, Amsterdam) ; Lipniacka, A (Bergen U.) ; Lokajicek, M (Prague, Inst. Phys.) ; Louchard, L (Clermont-Ferrand U.) ; Loureiro, K F (Ohio State U.) ; Lucotte, A (LPSC, Grenoble) ; Luehring, F (Indiana U.) ; Lund-Jensen, B (Royal Inst. Tech., Stockholm) ; Lundberg, B (Lund U.) ; Ma, H (Brookhaven) ; Mackeprang, R (Copenhagen U.) ; Maio, A (Lisbon U ; Lisbon, LIFEP ; Lisbon U., CFNUL ; Lisbon U.) ; Maleev, V P (St. Petersburg, INP) ; Malek, F (LPSC, Grenoble) ; Mandelli, L (INFN, Milan) ; Maneira, J (Lisbon U ; Lisbon, LIFEP) ; Mangin-Brinet, M (Geneva U.) ; Manousakis, A (Athens U.) ; Mapelli, L (CERN) ; Marques, C (Lisbon U ; Lisbon, LIFEP) ; Marti i Garcia, S (Barcelona, Inst. Microelectron. ; Valencia U. ; Valencia U., IFIC) ; Martin, F (Pennsylvania U.) ; Mathes, M (Bonn U.) ; Mazzanti, M (INFN, Milan) ; McFarlane, K W (Hampton U.) ; McPherson, R (Victoria U.) ; Mchedlidze, G (Tbilisi State U.) ; Mehlhase, S (Humboldt U., Berlin) ; Meirosu, C (CERN) ; Meng, Z (Shandong U ; Taiwan, Inst. Phys.) ; Meroni, C (INFN, Milan) ; Mialkovski, V (Dubna, JINR) ; Mikulec, B (Geneva U.) ; Milstead, D (Stockholm U., OKC ; Stockholm U.) ; Minashvili, I (Dubna, JINR) ; Mindur, B (AGH-UST, Cracow) ; Mitsou, V A (Barcelona, Inst. Microelectron. ; Valencia U. ; Valencia U., IFIC) ; Moed, S (Geneva U.) ; Monnier, E (Marseille, CPPM) ; Moorhead, G (Melbourne U.) ; Morettini, P (Genoa U ; INFN, Genoa) ; Morozov, S V (Moscow Phys. Eng. Inst.) ; Mosidze, M (Tbilisi State U.) ; Mouraviev, S V (Lebedev Inst.) ; Moyse, E.W J (CERN) ; Munar, A (Pennsylvania U.) ; Myagkov, A (Serpukhov, IHEP) ; Nadtochi, A V (St. Petersburg, INP) ; Nakamura, K (Tsukuba U., GSPAS) ; Nechaeva, P (Genoa U ; INFN, Genoa) ; Negri, A (Pavia U ; INFN, Pavia) ; Nemecek, S (Prague, Inst. Phys.) ; Nessi, M (CERN) ; Nesterov, S Y (St. Petersburg, INP) ; Newcomer, F M (Pennsylvania U.) ; Nikitine, I (Serpukhov, IHEP) ; Nikolaev, K (Dubna, JINR) ; Nikolic-Audit, I (Paris U., VI-VII) ; Ogren, H (Indiana U.) ; Oh, S H (Duke U.) ; Oleshko, S B (St. Petersburg, INP) ; Olszowska, J (Cracow, INP) ; Onofre, A (Lisbon U ; Lisbon, LIFEP ; Minho U.) ; Padilla Aranda, C (CERN) ; Paganis, S (Sheffield U.) ; Pallin, D (Clermont-Ferrand U.) ; Pantea, D (Bucharest, IFIN-HH) ; Paolone, V (Pittsburgh U.) ; Parodi, F (Genoa U ; INFN, Genoa) ; Parsons, J (Nevis Labs, Columbia U.) ; Parzhitski, S (Dubna, JINR) ; Pasqualucci, E (INFN, Rome ; Rome U.) ; Passmore, S M (CERN) ; Pater, J (Manchester U.) ; Patrichev, S (St. Petersburg, INP) ; Peez, M (Madrid, Autonoma U.) ; Perez Reale, V (Nevis Labs, Columbia U.) ; Perini, L (Milan U ; INFN, Milan) ; Peshekhonov, V D (Dubna, JINR) ; Petersen, J (CERN) ; Petersen, T C (Copenhagen U.) ; Petti, R (Brookhaven) ; Phillips, P W (Rutherford) ; Pilcher, J (Chicago U., EFI) ; Pina, J (Lisbon U ; Lisbon, LIFEP ; Lisbon U., CFNUL ; Lisbon U.) ; Pinto, B (Lisbon U ; Lisbon, LIFEP) ; Podlyski, F (Clermont-Ferrand U.) ; Poggioli, L (Orsay, LAL) ; Poppleton, A (CERN) ; Poveda, J (Wisconsin U., Madison) ; Pralavorio, P (Marseille, CPPM) ; Pribyl, L (CERN) ; Price, M J (CERN) ; Prieur, D (Rutherford) ; Puigdengoles, C (Barcelona, IFAE) ; Puzo, P (Orsay, LAL) ; Ragusa, F (Milan U ; INFN, Milan) ; Rajagopalan, S (Brookhaven) ; Reeves, K (Wuppertal U.) ; Reisinger, I (Dortmund U.) ; Rembser, C (CERN) ; Bruckman de Renstrom, P.A. (Oxford U.) ; Reznicek, P (Charles U.) ; Ridel, M (Paris U., VI-VII) ; Risso, P (Genoa U ; INFN, Genoa) ; Riu, I (Geneva U.) ; Robinson, D (Cambridge U.) ; Roda, C (Pisa U ; INFN, Pisa) ; Roe, S (CERN) ; Rohne, O. (Oslo U.) ; Romaniouk, A (Moscow Phys. Eng. Inst.) ; Rousseau, D (Orsay, LAL) ; Rozanov, A (Marseille, CPPM) ; Ruiz, A (Barcelona, Inst. Microelectron. ; Valencia U. ; Valencia U., IFIC) ; Rusakovich, N (Dubna, JINR) ; Rust, D (Indiana U.) ; Ryabov, Y F (St. Petersburg, INP) ; Ryjov, V (CERN) ; Salto, O (Barcelona, IFAE) ; Salvachua, B (Argonne) ; Salzburger, A (Innsbruck U., Inst. Astrophys.) ; Sandaker, H (Bergen U.) ; Santamarina Rios, C.Santamarina (CERN) ; Santi, L (ICTP, Trieste ; INFN, Udine ; Udine U.) ; Santoni, C (Clermont-Ferrand U.) ; Saraiva, J G (Lisbon U. ; Lisbon, LIFEP ; Lisbon U., CFNUL ; Lisbon U.) ; Sarri, F (Pisa U ; INFN, Pisa) ; Sauvage, G (Annecy, LAPP) ; Says, L P (Clermont-Ferrand U.) ; Schaefer, M (LPSC, Grenoble) ; Schegelsky, V A (St. Petersburg, INP) ; Schiavi, C (Genoa U ; INFN, Genoa) ; Schieck, J (Munich, Max Planck Inst.) ; Schlager, G (CERN) ; Schlereth, J (Argonne) ; Schmitt, C (Mainz U., Inst. Phys.) ; Schultes, J (Wuppertal U.) ; Schwemling, P (Paris U., VI-VII) ; Schwindling, J (DSM, DAPNIA, Saclay) ; Seixas, J M (Rio de Janeiro Federal U.) ; Seliverstov, D M (St. Petersburg, INP) ; Serin, L (Orsay, LAL) ; Sfyrla, A (Geneva U.) ; Shalanda, N (Minsk, Inst. Phys.) ; Shaw, C (Glasgow U.) ; Shin, T (Hampton U.) ; Shmeleva, A (Lebedev Inst.) ; Silva, J (Lisbon U ; Lisbon, LIFEP) ; Simion, S (Orsay, LAL) ; Simonyan, M (Annecy, LAPP) ; Sloper, J E (CERN) ; Smirnov, S.Yu (Moscow Phys. Eng. Inst.) ; Smirnova, L (SINP, Moscow) ; Solans, C (Barcelona, Inst. Microelectron. ; Valencia U. ; Valencia U., IFIC) ; Solodkov, A (Serpukhov, IHEP) ; Solovianov, O (Serpukhov, IHEP) ; Soloviev, I (St. Petersburg, INP) ; Sosnovtsev, V V (Moscow Phys. Eng. Inst.) ; Spano, F (Nevis Labs, Columbia U.) ; Speckmayer, P (CERN) ; Stancu, S (UC, Irvine) ; Stanek, R (Argonne) ; Starchenko, E (Serpukhov, IHEP) ; Straessner, A (Dresden, Tech. U.) ; Suchkov, S I (Moscow Phys. Eng. Inst.) ; Suk, M (Charles U.) ; Szczygiel, R (AGH-UST, Cracow) ; Tarrade, F (Brookhaven) ; Tartarelli, F (INFN, Milan) ; Tas, P (Charles U.) ; Tayalati, Y (Clermont-Ferrand U.) ; Tegenfeldt, F (Iowa State U.) ; Teuscher, R (Toronto U.) ; Thioye, M (SUNY, Stony Brook) ; Tikhomirov, V O (Lebedev Inst.) ; Timmermans, C.J.W P (Nijmegen U.) ; Tisserant, S (Marseille, CPPM) ; Toczek, B (AGH-UST, Cracow) ; Tremblet, L (CERN) ; Troncon, C (INFN, Milan) ; Tsiareshka, P (Dubna, JINR ; Minsk, Inst. Phys.) ; Tyndel, M (Rutherford) ; Karagoz Unel, M. (Oxford U.) ; Unal, G (CERN) ; Unel, G (Indiana U.) ; Usai, G (Chicago U., EFI) ; Van Berg, R (Pennsylvania U.) ; Valero, A (Barcelona, Inst. Microelectron ; Valencia U. ; Valencia U., IFIC) ; Valkar, S (Charles U.) ; Valls, J A (Barcelona, Inst. Microelectron ; Valencia U. ; Valencia U., IFIC) ; Vandelli, W (CERN) ; Vannucci, F (Paris U., VI-VII) ; Vartapetian, A (Texas U., Arlington) ; Vassilakopoulos, V I (Hampton U.) ; Vasilyeva, L (Lebedev Inst.) ; Vazeille, F (Clermont-Ferrand U.) ; Vernocchi, F (Genoa U ; INFN, Genoa) ; Vetter-Cole, Y (Southern Methodist U.) ; Vichou, I (Illinois U., Urbana) ; Vinogradov, V (Dubna, JINR) ; Virzi, J (UC, Berkeley ; LBL, Berkeley) ; Vivarelli, I (Pisa U ; INFN, Pisa) ; de Vivie, J B (Marseille, CPPM) ; Volpi, M (Barcelona, IFAE) ; Vu Anh, T (Geneva U.) ; Wang, C (Duke U.) ; Warren, M (University Coll. London) ; Weber, J (Dortmund U.) ; Weber, M (Rutherford) ; Weidberg, A R (Oxford U.) ; Weingarten, J (Bonn U.) ; Wells, P S (CERN) ; Werner, P (CERN) ; Wheeler, S (Alberta U.) ; Wiesmann, M (Munich, Max Planck Inst.) ; Wilkens, H (CERN) ; Williams, H H (Pennsylvania U.) ; Wingerter-Seez, I (Annecy, LAPP) ; Yasu, Y (KEK, Tsukuba) ; Zaitsev, A (Serpukhov, IHEP) ; Zenin, A (Serpukhov, IHEP) ; Zenis, T (Comenius U.) ; Zenonos, Z (Pisa U ; INFN, Pisa) ; Zhang, H (Marseille, CPPM) ; Zhelezko, A (Moscow Phys. Eng. Inst.) ; Zhou, N (Nevis Labs, Columbia U.)
Publication	2011
In:	JINST 6 (2011) P04001
DOI	10.1088/1748-0221/6/04/P04001
Subject category	Detectors and Experimental Techniques
Accelerator/Facility, Experiment	CERN LHC ; ATLAS
Abstract	The reconstruction of photons in the ATLAS detector is studied with data taken during the 2004 Combined Test Beam, where a full slice of the ATLAS detector was exposed to beams of particles of known energy at the CERN SPS. The results presented show significant differences in the longitudinal development of the electromagnetic shower between converted and unconverted photons as well as in the total measured energy. The potential to use the reconstructed converted photons as a means to precisely map the material of the tracker in front of the electromagnetic calorimeter is also considered. All results obtained are compared with a detailed Monte-Carlo simulation of the test-beam setup which is based on the same simulation and reconstruction tools as those used for the ATLAS detector itself.
Copyright/License	Publication: (License: CC-BY-3.0)

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