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1. Status of the NectarCAM camera project

Author

J. Prast, Javier Sieiro, F. Toussenel, Michael Punch, C. Zurbach, A. Lévêque, C. Boutonnet, Pierre Jean, P. Nayman, J. L. Panazol, S. Colonges, J. Bolmont, Juan Abel Barrio, J. F. Olive, Pierre-Olivier Petrucci, Christophe Champion, Giovanni Lamanna, S. Fegan, P. Brun, F. Louis, F. Nunio, Oscar Blanch, G. Martinez, S. Pavy, Berrie Giebels, J. Houles, V. Voisin, E. Moulin, J.-P. Ernenwein, R. López-Coto, S. Karkar, G. Vasileiadis, R. Hermel, Luis Ángel Tejedor, M. Barcelo, David Gascon, G. Fontaine, M. Fesquet, N. Fouque, Karl-Heinz Sulanke, J.-P. Tavernet, Andreu Sanuy, B. Courty, Jürgen Knödlseder, E. Delagnes, S. Rosier-Lees, P. Ramon, P. Corona, V. Waegebert, S. Rateau, J. F. Glicenstein, C. Delgado, Deirdre Horan, P. Sizun, François Hénault, D. Herranz, C. Díaz, O. Ferreira, D. Hoffmann, J. Boix, Yassir Moudden, E. Chabanne, T. LeFlour, Marc Ribó, Centre de Physique des Particules de Marseille (CPPM), and Aix Marseille Université (AMU)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)

Subjects
Physics, [SDU.ASTR]Sciences of the Universe [physics]/Astrophysics [astro-ph], business.industry, [SDU.ASTR.HE]Sciences of the Universe [physics]/Astrophysics [astro-ph]/High Energy Astrophysical Phenomena [astro-ph.HE], Electrical engineering, Analog-to-digital converter, High voltage, Field of view, Astrophysics, Modular design, Cherenkov Telescope Array, Chip, 7. Clean energy, [SDU.ASTR.IM]Sciences of the Universe [physics]/Astrophysics [astro-ph]/Instrumentation and Methods for Astrophysic [astro-ph.IM], law.invention, Data acquisition, law, Física nuclear, Electronics, business
Abstract

International audience; NectarCAM is a camera designed for the medium-sized telescopes of the Cherenkov Telescope Array (CTA) covering the central energy range 100 GeV to 30 TeV. It has a modular design based on the NECTAr chip, at the heart of which is a GHz sampling Switched Capacitor Array and 12-bit Analog to Digital converter. The camera will be equipped with 265 7-photomultiplier modules, covering a field of view of 7 to 8 degrees. Each module includes the photomultiplier bases, High Voltage supply, pre-amplifier, trigger, readout and Thernet transceiver. Events recorded last between a few nanoseconds and tens of nanoseconds. A flexible trigger scheme allows to read out very long events. NectarCAM can sustain a data rate of 10 kHz. The camera concept, the design and tests of the various subcomponents and results of thermal and electrical prototypes are presented. The design includes the mechanical structure, the cooling of electronics, read-out, clock distribution, slow control, data-acquisition, trigger, monitoring and services. A 133-pixel prototype with full scale mechanics, cooling, data acquisition and slow control will be built at the end of 2014

Published
2014

2. Performance of the liquid argon electromagnetic and hadronic accordion calorimeter for the LHC

Author

C.W. Fabjan, R. Nacash, J-P. Meyer, Peter Jenni, D. Stephani, Howard Gordon, J. Colas, Marzio Nessi, Edouard Boos, Johann Collot, C. Padilla, F. Manfredi, L. Owe Eek, P. de Saintignon, Miriam Lucio Martinez, T. Leflour, B. Beaugiraud, O. Gildemeister, V. Speziali, G. Gaidos, J.C. Chollet, Georges Azuelos, A. Astbury, Laura Perini, F. Etienne, J. Schwindling, M. Stipcevic, P. Lavocat, J. Pouxe, R. Zitoun, R. Chase, F. Gianotti, Daniel Fournier, Bengt Lund-Jensen, Elemer Nagy, E.I. Florian, D.V. Camin, E. Merchez, J. P. Repellin, Arthur Schaffer, Richard Keeler, Paola Sala, A. Hirosoho, Donatella Cavalli, J. F. Renardy, B. Merkel, Andrea Ferrari, G. Laborie, A. Cravero, Luc Poggioli, Gilles Beaudoin, J. Soderqvist, G. Hansl-Kozanecka, A. Bazan, B.O. Schaoutnikov, D. Dzahini, Valerio Re, Luis Hervas, Veljko Radeka, Guillaume Unal, J. S. White, Isabelle Wingerter-Seez, J.M. Noppe, Laurent Serin, P. Kitching, Claude Leroy, Fernando Barreiro, S. Basa, L. Gosset, B. Olsen, J. Lory, D. Imbault, J.P. Lottin, J. Roy, Pierre Petroff, B. Aubert, J.M. Baze, Lydia Iconomidou-Fayard, M. Mazzanti, Emmanuel Monnier, W. Richtel, V. Vuillemin, L. Mandelli, Sylvain Tisserant, A. Checktman, E. Auge, M. Chemeissiani, M. C. Cousinou, L. Cozzi, Giuseppe Costa, P. Depommier, Louis Fayard, Ph. Jean, P. Dargent, D.C. Rahm, Y. Zolnierowski, D. Fouchez, Doug Gingrich, C. Olivetto, N. L. Rodning, J.L. Chevalley, G. Battistoni, G. Parrour, C. De La Taille, James Pinfold, Bruno Mansoulie, Nicolas Seguin, M. Marie, D. Canton, H. Zaccone, G. Mahout, L. Labarga, J. Teiger, Ll. Garrido, M. Lefebvre, J. C. Clemens, G. Greenious, E. Fernandez, D. Sauvage, Laboratoire d'Annecy de Physique des Particules (LAPP), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), Laboratoire de Physique Subatomique et de Cosmologie (LPSC), Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Institut Polytechnique de Grenoble - Grenoble Institute of Technology-Centre National de la Recherche Scientifique (CNRS), Centre de Physique des Particules de Marseille (CPPM), Aix Marseille Université (AMU)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de l'Accélérateur Linéaire (LAL), Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE), Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut Polytechnique de Grenoble - Grenoble Institute of Technology-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Joseph Fourier - Grenoble 1 (UJF)-Centre National de la Recherche Scientifique (CNRS), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11), and Centre National de la Recherche Scientifique (CNRS)-Université Paris Diderot - Paris 7 (UPD7)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Pierre et Marie Curie - Paris 6 (UPMC)

Subjects
Physics, Nuclear and High Energy Physics, Particle physics, Range (particle radiation), Large Hadron Collider, Calorimeter (particle physics), Physics::Instrumentation and Detectors, High Energy Physics::Phenomenology, Nuclear Theory, Detector, Hadron, Electron, liquid argon, hadronic calorimeter, accordion, 01 natural sciences, Accordion, Nuclear physics, Pion, 0103 physical sciences, High Energy Physics::Experiment, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], Nuclear Experiment, 010306 general physics, Instrumentation
Abstract

A large scale prototype of a liquid argon accordion calorimeter, conceived as a sector of a full LHC Barrel detector and consisting of an electromagnetic and a hadronic section, has been constructed and tested at the CERN SPS with electron and pion beams in the energy range 10-287 GeV. The energy resolution measured for electrons is 10%/square-root E[GeV] with a local constant of 0.2%. Preliminary results on the hadronic section, which for this first exposure had only half of its transverse coverage, look encouraging and show that the calorimeter behaves according to the design figures.

Published
1994

3. Performance of a liquid argon preshower detector integrated with an Accordion calorimeter

Author

F. Gianotti, J. Soderqvist, Isabelle Wingerter-Seez, R. Chase, P. Lavocat, C.W. Fabjan, Y. Zolnierowski, Peter Jenni, J.P. Lottin, B. Aubert, W. Richter, J. F. Renardy, B. Merkel, Andrea Ferrari, J.P. Vialle, B. Beaugiraud, M. Pepe, O. Gildemeister, D.V. Camin, G. Costa, A. Bazan, T. Leflour, J.M. Noppe, N. Bulgakov, C. De La Taille, P. Petroff, C. Fuglesang, J. Colas, Marzio Nessi, A. Hrisoho, H. Zaccone, J-P. Meyer, Veljko Radeka, E. Auge, Arthur Schaffer, D. Stephani, Howard Gordon, Nicolas Seguin, Louis Fayard, Marcello Mazzanti, G. Le Meur, J. Teiger, Michel Lefebvre, J.L. Chevalley, Ph. Jean, M. Sciamanna, G. Battistoni, Laura Perini, L. Gosset, G. Parrour, D.C. Rahm, J.C. Chollet, Daniel Fournier, J. P. Repellin, M. Maire, Guillaume Unal, V. Vuillemin, L. Mandelli, Bruno Mansoulie, D. Cavalli, Francesca Nessi-Tedaldi, J.M. Baze, G. Pessina, and A. Cravero

Subjects
Physics, Nuclear and High Energy Physics, Large Hadron Collider, Photon, Calorimeter (particle physics), Physics::Instrumentation and Detectors, Detector, Space resolution, Accordion, Nuclear physics, Liquid argon, High Energy Physics::Experiment, Granularity, Detectors and Experimental Techniques, Instrumentation
Abstract

A prototype liquid argon preshower detector with a strip granularity of 2.5 mm has been tested at the CERN SPS in front of a liquid argon Accordion calorimeter. For charged tracks a signal-to-noise ratio of 9.4 and a space resolution of 340 μm were measured; the rejection power against overlapping photons produced in the decay of 50 GeV π 0 's is larger than 3; the precision on

Published
1993

4. Performance of the Atlas electromagnetic calorimeter barrel module 0

Author

Fernando Barreiro, F. Chollet, Bruno Mansoulie, P. Pétroff, M. El Kacimi, Luc Poggioli, D. Imbault, M. Jevaud, Michael Rijssenbeek, P. Perrodo, F. Rossel, J. Dodd, M. Moynot, Ph Martin, J. Ban, Irena Nikolic-Audit, G. Costa, G. Garcia, Marcello Fanti, J. A. Parsons, M.-L. Gallin-Martel, X. Riccadona, D. Dzahini, Stefan Rydström, B. Beaugiraud, A. Jérémie, J.F. Muraz, M. Leite, Luis Hervas, O. Le Dortz, A. Le Van Suu, Linda Megner, Remi Lafaye, F. Ohlsson-Malek, Jozsef Toth, Y. El Mouahhidi, V. Vuillemin, A. Belymam, Elemer Nagy, A. Ferrari, Marcello Mazzanti, B. Hackenburg, J. J. Veillet, J. Egdemir, M. Citterio, L. Mandelli, Ph. Schwemling, W. Seidl, J. Beck Hansen, W.J. Willis, Alexey Talyshev, J. Ballansat, R. Snopkov, W. E. Cleland, Silvia Resconi, Luis Labarga, P. Delebecque, J-Y. Hostachy, Johann Collot, T. Leflour, Mark Pearce, J. Del Peso, J. Colas, Claire Bourdarios, A. Hoffman, M. Delmastro, L. Neukermans, Fares Djama, G. Guilhem, Ryszard Stroynowski, B. Belhorma, A. Bazan, K. Yip, M. Chalifour, Didier Lacour, R. Zitoun, J. Thion, Ilias Efthymiopoulos, R. Bernard, R. Cherkaoui, Emmanuel Monnier, B. Canton, W. Bonivento, J. Hoffman, Bengt Lund-Jensen, M. Raymond, J. Bremer, J. F. Renardy, H. S. Chen, O. Martin, Patrick Fassnacht, M. Seman, M. Hakimi, Ph. Ghez, C.P. Marin, Pascal Pralavorio, J. Prast, H. Cunitz, B. Dinkespiler, S. Simion, A. Shousharo, Hong Ma, Helio Takai, D. Breton, J.P. Taguet, Jingbo Ye, D. Makowiecki, J. Lundqvist, D. Lissauer, Laura Perini, A. Ben Mansour, D. Sauvage, A. Chekhtman, Driss Benchekroun, L. Moneta, L. Martin, Daniel Fournier, B. Aubert, J. Lesueur, Stéphane Jézéquel, Fabrice Hubaut, R. Engelmann, Francesco Lanni, Alexey Maslennikov, S. Hassani, W. Bertoli, H. Kambara, Sylvain Tisserant, M. Leltchouk, D.C. Rahm, C. Clement, E. Augé, Patrick Puzo, S. Rescia, I. Wingerter-Seez, B. Repetti, N. Seguin-Moreau, V.M. Aulchenko, H. Ghazlane, J. Kierstead, S. Fichet, P. Schilly, G. Battistoni, J. McDonald, G. Sauvage, F. Orsini, Veljko Radeka, V. Tocut, G. M. Kolachev, J.M. Noppe, Bertrand Laforge, G. Perrot, N. Massol, David Rousseau, A. Idrissi, Abdeslam Hoummada, D. Cavalli, J. Steffens, N. Dumont-Dayot, Howard Gordon, Y. Zolnierowski, I. Falleau, A. Le Coroller, D. Martin, Y. Jacquier, Pierre Barrillon, S. Negroni, J. Teiger, P.-Y. Duval, Srinivasan Rajagopalan, W. Sippach, M. Wielers, Joost Vossebeld, B. Merkel, V. M. Malyshev, P. Cros, G. Mace, J. Boniface, N. Cartiglia, A. Mirea, J. Farrell, C. Olivier, L. Carminati, L. Hinz, J.L. Chevalley, A. Camard, P. Karst, F. Gianotti, Giuseppe Francesco Tartarelli, G. E. Pospelov, Dirk Zerwas, C. Benchouk, P. Pailler, G. Parrour, J. Ernwein, C. Alexa, Vassili Kazanin, S. Rodier, F. Astesan, J. Belorgey, O. Gaumer, S. Saboumazrag, F. Henry-Couannier, C. Le Maner, J.P. Richer, Allan G Clark, C. Girard, D. Nicod, A. Gara, H. Przysiezniak, L. Serin, Yu. A. Tikhonov, L. Di Ciaccio, E.M. Abouelouafa, R. L. McCarthy, M. Gouanère, P. de Saintignon, I. Stumer, J. Schwindling, K. Kordas, C. De La Taille, C. Driouichi, Laboratoire d'Annecy de Physique des Particules (LAPP), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), Laboratoire de Physique Subatomique et de Cosmologie (LPSC), Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut Polytechnique de Grenoble - Grenoble Institute of Technology-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Joseph Fourier - Grenoble 1 (UJF)-Centre National de la Recherche Scientifique (CNRS), Centre de Physique des Particules de Marseille (CPPM), Aix Marseille Université (AMU)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de l'Accélérateur Linéaire (LAL), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11), Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE), Centre National de la Recherche Scientifique (CNRS)-Université Paris Diderot - Paris 7 (UPD7)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Pierre et Marie Curie - Paris 6 (UPMC), ATLAS, Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Institut Polytechnique de Grenoble - Grenoble Institute of Technology-Centre National de la Recherche Scientifique (CNRS), Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Clark, Allan Geoffrey, Efthymiopoulos, Ilias, and Moneta, Lorenzo

Subjects
Nuclear and High Energy Physics, Particle physics, Physics::Instrumentation and Detectors, Barrel (horology), Mechanical engineering, ddc:500.2, Cryogenics, 01 natural sciences, 7. Clean energy, Data acquisition, Atlas (anatomy), 0103 physical sciences, medicine, Calibration, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], Detectors and Experimental Techniques, 010306 general physics, Instrumentation, Physics, Large Hadron Collider, 010308 nuclear & particles physics, Signal reconstruction, medicine.anatomical_structure, Electromagnetic calorimeter, High Energy Physics::Experiment, Calorimeters particle physics
Abstract

The construction and performance of the barrel pre-series module 0 of the future ATLAS electromagnetic calorimeter at the LHC is described. The signal reconstruction and performance of ATLAS-like electronics has been studied. The signal to noise ratio for muons has been found to be 7.11+-0.07. An energy resolution of better than 9.5% GeV^1/2/sqrt{E} (sampling term) has been obtained with electron beams of up to 245GeV. The uniformity of the response to electrons in an area of Delta_eta x Delta_phi = 1.2 x 0.075 has been measured to be better than 0.8%.

Published
2003

5. Performance of the ATLAS electromagnetic calorimeter end-cap module 0

Author

Luc Poggioli, M. Seman, W. Bertoli, H. Kambara, M. Hakimi, A. Le Van Suu, Stéphane Jézéquel, L. Hinz, Ilias Efthymiopoulos, C. Le Maner, Patrick Puzo, G. Costa, Allan G Clark, A. Le Coroller, D. Martin, Elemer Nagy, Y. Jacquier, P. Schilly, Pierre Barrillon, A. Jérémie, P. Karst, F. Gianotti, A. Camard, C. Benchouk, Laurent Serin, P. Pailler, G. Battistoni, Yu. A. Tikhonov, W. Seidl, F. Ohlsson-Malek, Mark Pearce, M. El Kacimi, D. Imbault, B. Beaugiraud, A. Mirea, L. Di Ciaccio, P.-Y. Duval, C. Alexa, Vassili Kazanin, Claire Bourdarios, Marcello Mazzanti, S. Rodier, Alexey Talyshev, R. Engelmann, Y. El Mouahhidi, A. Shousharo, J. J. Veillet, J. Belorgey, V. Vuillemin, Sylvain Tisserant, V. M. Malyshev, Remi Lafaye, T. Leflour, Abdeslam Hoummada, F. Henry-Couannier, F. Astesan, A. Belymam, E.M. Abouelouafa, L. Martin, J-Y. Hostachy, L. Mandelli, Ph. Schwemling, M. Chalifour, V. Tocut, J. Thion, R. Cherkaoui, J.P. Richer, O. Gaumer, J. Bremer, J. F. Renardy, J. Beck Hansen, M. Raymond, Ryszard Stroynowski, Alexey Maslennikov, B. Belhorma, R. Bernard, C. Girard, David Rousseau, A. Idrissi, Hong Ma, D. Breton, Johann Collot, R. Snopkov, P. Cros, G. Guilhem, N. Dumont-Dayot, Howard Gordon, S. Saboumazrag, Jozsef Toth, S. Fichet, R. L. McCarthy, J. Del Peso, N. Seguin-Moreau, J. Farrell, Linda Megner, G. Mace, C. Olivier, Pascal Pralavorio, O. Martin, Patrick Fassnacht, Fares Djama, J. Prast, A. Gara, Francesco Lanni, J.L. Chevalley, B. Aubert, M. Gouanère, D. Nicod, M. Leltchouk, D.C. Rahm, C. Clement, H. Przysiezniak, J. Boniface, N. Cartiglia, Fernando Barreiro, J. Teiger, Srinivasan Rajagopalan, Bengt Lund-Jensen, M. Delmastro, L. Neukermans, E. Augé, J. Hoffman, I. Stumer, R. Zitoun, S. Negroni, J. Schwindling, H. Cunitz, J.P. Taguet, F. Chollet, Bruno Mansoulie, Giuseppe Francesco Tartarelli, G. E. Pospelov, Dirk Zerwas, J. Ballansat, Fabrice Hubaut, J. Steffens, Y. Zolnierowski, F. Orsini, I. Falleau, M. Jevaud, Joost Vossebeld, B. Merkel, W. Sippach, D. Sauvage, W. Bonivento, G. Parrour, J. Ernwein, Michael Rijssenbeek, J. Egdemir, M. Citterio, K. Kordas, G. Perrot, Driss Benchekroun, L. Moneta, J. McDonald, P. Perrodo, M. Wielers, X. Riccadona, J.M. Noppe, C. De La Taille, C. Driouichi, S. Hassani, Luis Hervas, Irena Nikolic-Audit, N. Massol, A. Ferrari, B. Hackenburg, O. Le Dortz, B. Dinkespiler, Stefan Rydström, Helio Takai, Jingbo Ye, Emmanuel Monnier, B. Canton, W. E. Cleland, A. Bazan, Didier Lacour, D. Lissauer, F. Rossel, J. Dodd, M. Moynot, Ph Martin, J. Lundqvist, J. Ban, K. Yip, G. Garcia, Marcello Fanti, J. A. Parsons, D. Makowiecki, A. Chekhtman, P. Pétroff, Daniel Fournier, Leonardo Carminati, M. Leite, Luis Labarga, P. Delebecque, A. Hoffman, Ph. Ghez, H. S. Chen, S. Simion, A. Ben Mansour, M.-L. Gallin-Martel, W.J. Willis, J. Lesueur, S. Rescia, I. Wingerter-Seez, B. Repetti, J. Colas, C.P. Marin, V.M. Aulchenko, H. Ghazlane, J. Kierstead, G. Sauvage, Veljko Radeka, G. M. Kolachev, Bertrand Laforge, Laboratoire d'Annecy de Physique des Particules (LAPP), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), Laboratoire de Physique Subatomique et de Cosmologie (LPSC), Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut Polytechnique de Grenoble - Grenoble Institute of Technology-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Joseph Fourier - Grenoble 1 (UJF)-Centre National de la Recherche Scientifique (CNRS), Centre de Physique des Particules de Marseille (CPPM), Aix Marseille Université (AMU)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de l'Accélérateur Linéaire (LAL), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11), Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE), Centre National de la Recherche Scientifique (CNRS)-Université Paris Diderot - Paris 7 (UPD7)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Pierre et Marie Curie - Paris 6 (UPMC), ATLAS, Clark, Allan Geoffrey, Efthymiopoulos, Ilias, Moneta, Lorenzo, Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Institut Polytechnique de Grenoble - Grenoble Institute of Technology-Centre National de la Recherche Scientifique (CNRS), Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), and Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS)

Subjects
Physics, Nuclear and High Energy Physics, 010308 nuclear & particles physics, Atlas (topology), Particle physics, ddc:500.2, 01 natural sciences, Calorimeter, Nuclear physics, Calorimeters, Electromagnetic calorimeter, Pseudorapidity, 0103 physical sciences, Calibration, High Energy Physics::Experiment, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], Detectors and Experimental Techniques, 010306 general physics, Nuclear Experiment, Instrumentation, Image resolution
Abstract

The construction and beam test results of the ATLAS electromagnetic end-cap calorimeter pre-production module 0 are presented. The stochastic term of the energy resolution is between 10% GeV^1/2 and 12.5% GeV^1/2 over the full pseudorapidity range. Position and angular resolutions are found to be in agreement with simulation. A global constant term of 0.6% is obtained in the pseudorapidity range 2.5 < eta < 3.2 (inner wheel).

Published
2003

6. Electronic chain for the readout of a fast liquid argon prototype calorimeter

Author

A. Ferrari, J-P. Meyer, A. Hrisoho, B. Merkel, J.P. Vialle, Nicolas Seguin, J. Colas, H. Zaccone, Marzio Nessi, D. Stephani, G. Guilhem, P. Farthouat, Francesca Nessi-Tedaldi, Howard Gordon, Isabelle Wingerter-Seez, M. Lebeau, L. Mandelli, Pierre Petroff, O. Gildemeister, Lydia Iconomidou-Fayard, M. Maire, D.V. Camin, C.W. Fabjan, T. Leflour, Paola Sala, B. Beaugiraud, Louis Fayard, Donatella Cavalli, F. Gianotti, Arthur Schaffer, Ph. Jean, J. Thion, A. Franz, P. Petitpas, Peter Jenni, Giuseppe Costa, D.C. Rahm, J.C. Chollet, J.L. Chevalley, P. Lavocat, Daniel Fournier, G. Battistoni, G. Parrour, Laura Perini, W. Richter, J. F. Renardy, B. Mnasoulie, J. Teiger, Michel Lefebvre, J. P. Repellin, A. Bazan, E. Auge, J.C. MeMarec, J.M. Noppe, L. Gosset, Veljko Radeka, C. De La Taille, J. J. Veillet, Graham R. Stevenson, C. Fuglesang, B. Aubert, M. Mazzanti, M. Pepe, W.J. Willis, J.M. Baze, and R. Chase

Subjects
Physics, Cryostat, Argon, Large Hadron Collider, Calorimeter (particle physics), Physics::Instrumentation and Detectors, business.industry, Preamplifier, Amplifier, chemistry.chemical_element, JFET, Nuclear physics, chemistry, Nuclear electronics, Optoelectronics, High Energy Physics::Experiment, business
Abstract

Summary form only given. A research and development program is being conducted in view of realizing an electromagnetic and hadronic calorimeter for the Large Hadron Collider (LHC). The authors report on tests on fast electronics, coupled to an electromagnetic prototype calorimeter built with an accordion structure. Three different types of preamplifiers have been used. In two (Si and GaAs hybrids), the preamplifier is operated in liquid argon. In the third one, a common based (Si JFET or GaAs) transistor is in the liquid, the charge preamplifier being outside the cryostat, after about 6 m of 50- Omega cable. The shaping amplifier uses RC-CR filtering. The response to a short current pulse peaks after about 20 ns. When the system is connected to the calorimeter, the liquid argon signals peak, as expected, after 30 ns. Noise, linearity, and cross-talk between channels were investigated. First results from an exposure of the calorimeter to electrons of energy 30 to 175 GeV were obtained. >

Published
2002

7. Construction and test of a fine-grained liquid argon preshower prototype

Author

Giuseppe Costa, G. Eynard, D.C. Rahm, D. VanDenPlas, J. Boniface, J-P. Meyer, Daniel Fournier, S. Nicoleau, P. Dargent, C. De La Taille, J. Soderqvist, E. Fernandez, A. Savoy-Navarro, P. Depommier, Paola Sala, Stephane Jezequel, Donatella Cavalli, Sylvain Tisserant, Isabelle Wingerter-Seez, G. Sauvage, S. Robertson, Douglas Gingrich, C. Padilla, James Pinfold, Veljko Radeka, Laura Perini, J. Teiger, Arthur Schaffer, W. Richter, J. F. Renardy, Irene Vichou, A. Hoummada, G. Mahout, J.P. Lottin, V. Vuillemin, Emmanuel Monnier, D. Stephani, Howard Gordon, Bruno Mansoulie, L. Mandelli, N. Seguin-Moreau, J.L. Chevalley, G. Laborie, V. Tisserand, D. Fouchez, L. Baisin, A. Miotto, B. Aubert, J-Y. Hostachy, M. Chmeissani, M. Mazzanti, Claude Leroy, M. C. Cousinou, L. Cozzi, Laurent Serin, A. Hrisoho, T. Leflour, J.C. Berset, Louis Fayard, Johann Collot, Luis Hervas, C. Olivetto, J. Colas, Marzio Nessi, M. Lefebvre, Daniel Dzahini, F. Etienne, B. Canton, O. Le Dortz, Patrick Fassnacht, J.M. Baze, Ll. Garrido, B. O. Zhautykov, G. Battistoni, L. O. Eek, E. León-Florián, R. Chase, Bengt Lund-Jensen, A. Chekhtman, J. F. Genat, N. L. Rodning, P. Roy, R. Davis, Miriam Lucio Martinez, L. Gosset, G. Parrour, P. Schwemling, A. Bazan, Silvia Resconi, N. Fedyakin, P. Lavocat, R. Zitoun, E. Auge, O. Linossier, J.M. Noppe, Y. Zolnierowski, L. Martin, J. Thion, J. David, C.P. Marin, Elemer Nagy, Gilles Beaudoin, Didier Imbault, F. Rival, Edouard Boos, B. Dinkespiller, P. de Saintignon, J.C. Chollet, J. Schwindling, B. Merkel, Andrea Ferrari, Luc Poggioli, Pierre Petroff, D.V. Camin, F. Gianotti, B. Beaugiraud, O. Gildemeister, Laboratoire d'Annecy de Physique des Particules (LAPP), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), Laboratoire de Physique Subatomique et de Cosmologie (LPSC), Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Institut Polytechnique de Grenoble - Grenoble Institute of Technology-Centre National de la Recherche Scientifique (CNRS), Centre de Physique des Particules de Marseille (CPPM), Aix Marseille Université (AMU)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de l'Accélérateur Linéaire (LAL), Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE), Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), RD3, Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut Polytechnique de Grenoble - Grenoble Institute of Technology-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Joseph Fourier - Grenoble 1 (UJF)-Centre National de la Recherche Scientifique (CNRS), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11), and Centre National de la Recherche Scientifique (CNRS)-Université Paris Diderot - Paris 7 (UPD7)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Pierre et Marie Curie - Paris 6 (UPMC)

Subjects
Physics, Nuclear and High Energy Physics, Large Hadron Collider, Photon, Calorimeter (particle physics), Preamplifier, Physics::Instrumentation and Detectors, Detector, Electron, Azimuth, Nuclear physics, CMOS, High Energy Physics::Experiment, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], Detectors and Experimental Techniques, Instrumentation
Abstract

A separate liquid argon preshower detector consisting of two layers featuring a fine granularity of 2.5~10$^{\mathrm{-3}}$ was studied by the RD3 collaboration. A prototype covering approximately 0.8 in pseudo-rapidity and 9 degrees in azimuth was built and tested at CERN in July 94. CMOS and GaAs VLSI preamplifiers were designed and tested for this occasion. The combined response of this detector and an accordion electromagnetic calorimeter prototype to muons, electrons and photons is presented. For minimum ionizing tracks a signal-to-noise ratio of 4.5 per preshower layer was measured. Above 150~GeV the space resolution for electrons is better than 250~$\mu$m in both directions. The precision on the electromagnetic shower direction, determined together with the calorimeter, is better than 4 mrad above 50~GeV. It is concluded that the preshower detector would adequately fulfil its role for future operation at CERN Large Hadron Collider.

Published
1997

8. Performance of an endcap prototype of the ATLAS accordion electromagnetic calorimeter

Author

Y. Zolnierowski, B. Olsen, Bruno Mansoulie, Louis Fayard, S. Robertson, M. Stipcevic, C. V. Scheel, Stephane Jezequel, E. Fernandez, Gilles Beaudoin, P. Depommier, B. Aubert, Isabelle Wingerter-Seez, Sylvain Tisserant, J-P. Meyer, D.V. Camin, M. Mazzanti, B. Dinkespiller, Doug Gingrich, Paola Sala, F. Rival, Luis Hervas, O. Le Dortz, Donatella Cavalli, N. Fedyakin, J. Boniface, T. Leflour, J.P. Lottin, E. Auge, James Pinfold, J.L. Chevalley, B. Canton, Laura Perini, Miriam Lucio Martinez, B. Merkel, Andrea Ferrari, C. Olivetto, N. L. Rodning, D. Dzahini, A. Cravero, L. Martin, R. Zitoun, B. Beaugiraud, G. Mahout, A. Chekhtman, Luc Poggioli, P. de Saintignon, J. Thion, J. David, V. Vuillemin, Veljko Radeka, O. Gildemeister, G. Battistoni, L. Labarga, L. Mandelli, Johann Collot, Bengt Lund-Jensen, P. Dargent, A. Savoy-Navarro, L. Gosset, G. Parrour, J. Teiger, Irene Vichou, V. Tisserand, J-Y. Hostachy, J.C. Chollet, J. Schwindling, P. Lavocat, M. Lefebvre, J.C. Berset, Giuseppe Costa, M. Seman, Daniel Fournier, F. Gianotti, Didier Imbault, R. Chase, Patrick Fassnacht, C.P. Marin, J. Pouxe, M. Maire, Pierre Petroff, G. Greeniaus, Georges Azuelos, C. Padilla, P. Schwemling, Elemer Nagy, A. Bazan, J. F. Genat, Edouard Boos, G. Laborie, E. Merchez, D. Stephani, Howard Gordon, D.C. Rahm, J.M. Noppe, L. Baisin, J. S. White, Claude Leroy, A. Hrisoho, P. Kitching, W. Richter, J. F. Renardy, F. Etienne, Arthur Schaffer, D. Van den plas, L. O. Eek, L. Cozzi, D. Fouchez, O. Martin, C. De La Taille, A. Miotto, J. Soderqvist, Ll. Garrido, E. León-Florián, J. Colas, Marzio Nessi, N. Seguin-Moreau, M. Chmeissani, Laurent Serin, P. Roy, J.M. Baze, B. O. Zhautykov, Emmanuel Monnier, Laboratoire d'Annecy de Physique des Particules (LAPP), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), Laboratoire de Physique Subatomique et de Cosmologie (LPSC), Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut Polytechnique de Grenoble - Grenoble Institute of Technology-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Joseph Fourier - Grenoble 1 (UJF)-Centre National de la Recherche Scientifique (CNRS), Centre de Physique des Particules de Marseille (CPPM), Aix Marseille Université (AMU)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de l'Accélérateur Linéaire (LAL), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11), RD3, Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Institut Polytechnique de Grenoble - Grenoble Institute of Technology-Centre National de la Recherche Scientifique (CNRS), and Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)

Subjects
Physics, Nuclear and High Energy Physics, Particle physics, Argon, Large Hadron Collider, Atlas (topology), Physics::Instrumentation and Detectors, ATLAS experiment, Linearity, chemistry.chemical_element, Calorimetry, Nuclear physics, chemistry, calorimetry, liquid-argon, ATLAS, Cathode ray, Rapidity, High Energy Physics::Experiment, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], Detectors and Experimental Techniques, Instrumentation
Abstract

The design and construction of a lead-liquid argon endcap calorimeter prototype using an accordion geometry and conceived as a sector of the inner wheel of the endcap calorimeter of the future ATLAS experiment at the LHC is described. The performance obtained using electron beam data is presented. The main results are an energy resolution with a sampling term below $11\%/\sqrt{E(\rm GeV)}$ and a small local constant term, a good linearity of the response with the incident energy and a global constant term of 0.8\% over an extended area in the rapidity range of $2.2 < \eta

Published
1996

9. Performance of a liquid argon accordion calorimeter with fast read-out

Author

P. Lavocat, D. Cavalli, Isabelle Wingerter-Seez, C.W. Fabjan, Peter Jenni, W. Richter, J. F. Renardy, J. Colas, Marzio Nessi, A. Bazan, J.M. Noppe, M. Maire, J.P. Lottin, C. Fuglesang, Guillaume Unal, G. Pessina, B. Beaugiraud, O. Gildemeister, M. Lefebvre, Y. Zolnierowski, F. Gianotti, B. Aubert, Sherry Towers, P. Petroff, Paola Sala, Arthur Schaffer, J.C. Chollet, M. Pepe, Marcello Mazzanti, E. Auge, D.C. Rahm, Louis Fayard, J.L. Chevalley, Veljko Radeka, M. Sciamanna, G. Battistoni, L. Gosset, G. Parrour, A. Cravero, L. Mandelli, Laura Perini, Daniel Fournier, J. P. Repellin, Bruno Mansoulie, Nicolas Seguin, F. Nessi-Tedaldi, Ph. Jean, C. De La Taille, Lydia Iconomidou-Fayard, H. Zaccone, J. Teiger, J.M. Baze, G. Costa, R. Chase, B. Merkel, Andrea Ferrari, J.P. Vialle, D.V. Camin, J. Soderqvist, A. Franz, T. Leflour, J-P. Meyer, D. Stephani, and Howard Gordon

Subjects
Physics, Nuclear and High Energy Physics, Muon, Large Hadron Collider, Calorimeter (particle physics), Physics::Instrumentation and Detectors, Hadron, Detector, Electron, Nuclear physics, Physics::Accelerator Physics, High Energy Physics::Experiment, Angular resolution, Detectors and Experimental Techniques, Nuclear Experiment, Instrumentation, Noise (radio)
Abstract

A prototype lead-liquid-argon electromagnetic calorimeter with parallel plates and Accordion geometry has been equipped with high speed readout electronics and tested with electron and muon beams at the CERN SPS. For a response peaking time of about 35 ns, fast enough for operation at the future hadron colliders, the energy resolution for electrons is 9.6%/√E[GeV] with a local constant term of 0.3% and a noise contribution of 0.33 E[ GeV ] . The spatial accuracy achieved with a detector granularity of 2.7 cm is 3.7 mm E[ GeV ] and the angular resolution 12 mrad at 60 GeV.

Published
1992

10. LIQUID ARGON CALORIMETRY WITH LHC-PERFORMANCE SPECIFICATIONS

Author

Isabelle Wingerter-Seez, W. Richter, J. F. Renardy, C.P. Marin, G. Guilhem, Lydia Iconomidou-Fayard, J.C. Berset, J. Colas, Marzio Nessi, J.M. Baze, L. Baisin, A. Bazan, B. Beaugiraud, P. Farthouat, J. J. Veillet, O. Gildemeister, J.M. Noppe, Arthur Schaffer, P. Petroff, J.L. Chevalley, L. Mandelli, M. Lebeau, G. Costa, F. Cavanna, A. Sigrist, F. Nessi-Tedaldi, G. Battistoni, P. Lavocat, G. Pessina, L. Gosset, Marcello Mazzanti, G. Parrour, C.W. Fabjan, R. Chase, F. Gianotti, J.C. LeMarec, D.C. Rahm, Peter Jenni, E. Augé, Laura Perini, Ph. Jean, B. Merkel, Andrea Ferrari, J.P. Vialle, Daniel Fournier, P. Petitpas, M. Maire, J. P. Repellin, Michel Lefebvre, Bruno Mansoulie, A. Franz, G. Polesello, C. De La Taille, H. Zaccone, Venetios Polychronakos, J. Teiger, Graham R. Stevenson, D. Cavalli, Nicolas Seguin, Veljko Radeka, C. Fuglesang, B. Aubert, M. Pepe, Louis Fayard, J-P. Meyer, D.V. Camin, D. Stephani, Howard Gordon, A. Hrisoho, T. Leflour, J. Thion, J.C. Chollet, and W. J. Willis

Subjects
Physics, Nuclear and High Energy Physics, Large Hadron Collider, Physics::Instrumentation and Detectors, Hadron, Resolution (electron density), Calorimetry, Electron, Calorimeter, Nuclear physics, High Energy Physics::Experiment, Granularity, Instrumentation, Energy (signal processing)
Abstract

A novel geometry liquid argon calorimeter with accordion-shaped electrodes and converter plates has been recently conceived. Such a design allows for a fast readout and for a high granularity over large volumes with minimal dead spaces, properties which are considered essential for operation at the future hadron colliders. The first electromagnetic prototype based on this scheme has been built and tested at the CERN SPS. For a response peaking time of 140 ns an energy resolution of 10%/√ E (GeV) and a space resolution of 4.4 mm/√ E (GeV) with 2.7 cm cell size were achieved for electrons. A few preliminary results from a test with fast readout (response peaking time of less than 40 ns) are also presented.

Published
1992

11. Performance of a liquid argon electromagnetic calorimeter with an 'accordion' geometry

Author

B. Aubert, L. Mandelli, M. Pepe, L. Baisin, B. Merkel, J.P. Vialle, D.C. Rahm, F. Gianotti, C.P. Marin, A. Bazan, J.C. Berset, M. Lefebvre, F. Nessi-Tedaldi, T. Leflour, J. Colas, Marzio Nessi, D.V. Camin, C.W. Fabjan, P. Petroff, F. Cavanna, Peter Jenni, D. Stephani, Howard Gordon, Veljko Radeka, O. Gildemeister, W. Richter, G. Pessina, Daniel Fournier, J. P. Repellin, G. Polesello, L. Iconomidou-Fayard, Venetios Polychronakos, W. J. Willis, G. Costa, A. Sigrist, Laboratoire d'Annecy de Physique des Particules (LAPP), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), Laboratoire de l'Accélérateur Linéaire (LAL), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11), RD3, and Starita, Sabine

Subjects
Physics, Nuclear and High Energy Physics, Argon, Large Hadron Collider, Muon, Physics::Instrumentation and Detectors, 010308 nuclear & particles physics, Resolution (electron density), chemistry.chemical_element, Geometry, Electron, 01 natural sciences, Particle detector, Calorimeter, Nuclear physics, chemistry, [PHYS.PHYS.PHYS-INS-DET] Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], 0103 physical sciences, High Energy Physics::Experiment, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], Detectors and Experimental Techniques, 010306 general physics, Instrumentation, Image resolution
Abstract

The first prototype of a lead—liquid-argon e.m. calorimeter with accordion-shaped absorber and electrode plates has been built and tested with electron and muon beams at the CERN SPS. This novel geometry combines good granularity with high readout speed and minimal dead space. For a response peaking time of 140 ns, an energy resolution of 10%/ E[ GeV ] and a space resolution of 4.4 mm/ E[ GeV ] with a 2.7 cm cell size have been achieved for electrons. The position accuracy for muons is better than 2 mm.

Published
1991

12. NectarCAM: A camera for the medium size telescopes of the cherenkov telescope array

Author

E. Delagnes, O. Ferreira, M. Fesquet, C. Diaz Ginzov, David Gascon, D. Horan, P. Corona, G. Lamanna, J-F. Olive, J. L. Panazol, P. Ramon, P. Nayman, Laurent Jocou, C. Delgado, J. Houles, R. Kossakowski, F. Bouyjou, C. Champion, Michael Punch, Dominique Durand, Dirk L. Hoffmann, F. Louis, P. Jean, J. Bolmont, O. Abril, J. A. Barrio, Gilles Fontaine, J-P. Ernenwein, Pierre Brun, J. Knoedlseder, S. Colonges, P.-O. Petrucci, M. Shayduk, T. Leflour, S. Karkar, F. Toussenel, Yassir Moudden, V. Voisin, F. Henault, G. Vasileiadis, A. Fiasson, N. Fouque, S. Rosier-Lees, S. J. Fegan, P-Y. Sizun, Andreu Sanuy, R. Wischnewski, O. Blanch Bigas, V. Waegebert, S. Rateau, J. F. Glicenstein, E. Chabanne, J-P. Lenain, J.-P. Tavernet, B. Giebels, K-H. Sulanke, L-A. Tejedor~alvarez, E. Pierre, Agostino Leveque, F. Nunio, G. Martinez, T. Ravel, E. Moulin, R. Hermel, S. Pavy, J. Prast, Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, NectarCAM, CTA Consortium, Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE), Centre National de la Recherche Scientifique (CNRS)-Université Paris Diderot - Paris 7 (UPD7)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Pierre et Marie Curie - Paris 6 (UPMC), Laboratoire Univers et Particules de Montpellier (LUPM), Centre National de la Recherche Scientifique (CNRS)-Université de Montpellier (UM)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Montpellier 2 - Sciences et Techniques (UM2), Laboratoire d'Annecy de Physique des Particules (LAPP), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), AstroParticule et Cosmologie (APC (UMR_7164)), Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), Centre de Physique des Particules de Marseille (CPPM), Aix Marseille Université (AMU)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Laboratoire Leprince-Ringuet (LLR), Centre National de la Recherche Scientifique (CNRS)-École polytechnique (X)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), CTA, Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-École polytechnique (X)-Centre National de la Recherche Scientifique (CNRS), Université de Montpellier (UM)-Université Montpellier 2 - Sciences et Techniques (UM2)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Laboratoire d'Annecy de Physique des Particules (LAPP/Laboratoire d'Annecy-le-Vieux de Physique des Particules), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Aix Marseille Université (AMU), Institut de Recherches sur les lois Fondamentales de l'Univers ( IRFU ), and Commissariat à l'énergie atomique et aux énergies alternatives ( CEA ) -Université Paris-Saclay

Subjects
Photomultiplier, Cherenkov Telescope Array, [ PHYS.ASTR ] Physics [physics]/Astrophysics [astro-ph], Analog-to-digital converter, FOS: Physical sciences, Field of view, 01 natural sciences, 7. Clean energy, law.invention, law, 0103 physical sciences, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], 010303 astronomy & astrophysics, [ PHYS.PHYS.PHYS-INS-DET ] Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], Instrumentation and Methods for Astrophysics (astro-ph.IM), detector: design, Physics, High Energy Astrophysical Phenomena (astro-ph.HE), photomultiplier, [SDU.ASTR]Sciences of the Universe [physics]/Astrophysics [astro-ph], 010308 nuclear & particles physics, business.industry, Electrical engineering, integrated circuit, High voltage, Dead time, Chip, [SDU.ASTR.IM]Sciences of the Universe [physics]/Astrophysics [astro-ph]/Instrumentation and Methods for Astrophysic [astro-ph.IM], electronics: readout, Transceiver, business, Astrophysics - Instrumentation and Methods for Astrophysics, Astrophysics - High Energy Astrophysical Phenomena, [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph], performance, electronics: design
Abstract

NectarCAM is a camera proposed for the medium-sized telescopes of the Cherenkov Telescope Array (CTA) covering the central energy range of ~100 GeV to ~30 TeV. It has a modular design and is based on the NECTAr chip, at the heart of which is a GHz sampling Switched Capacitor Array and a 12-bit Analog to Digital converter. The camera will be equipped with 265 7-photomultiplier modules, covering a field of view of 8 degrees. Each module includes the photomultiplier bases, high voltage supply, pre-amplifier, trigger, readout and Ethernet transceiver. The recorded events last between a few nanoseconds and tens of nanoseconds. The camera trigger will be flexible so as to minimize the read-out dead-time of the NECTAr chips. NectarCAM is designed to sustain a data rate of more than 4 kHz with less than 5\% dead time. The camera concept, the design and tests of the various subcomponents and results of thermal and electrical prototypes are presented. The design includes the mechanical structure, cooling of the electronics, read-out, clock distribution, slow control, data-acquisition, triggering, monitoring and services., In Proceedings of the 34th International Cosmic Ray Conference (ICRC2015), The Hague, The Netherlands. All CTA contributions at arXiv:1508.05894

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