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TPC

TPC. Introduction. D. Attié, M. Chefdeville*, P. Colas, S. Turnbull, M. Titov (DAPNIA/SPP) X. Coppolani, C. Coquelet, E. Delagnes, E. Ferrer-Ribas, A. Giganon, I. Giomataris, J.-M. Reymond, M. Riallot, F. Sénée (DAPNIA/SEDI) V. Lepeltier (LAL Orsay) * Thèse en co-tutelle UvA-Saclay.

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TPC

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  1. TPC Introduction D. Attié, M. Chefdeville*, P. Colas, S. Turnbull, M. Titov (DAPNIA/SPP) X. Coppolani, C. Coquelet, E. Delagnes, E. Ferrer-Ribas, A. Giganon, I. Giomataris, J.-M. Reymond, M. Riallot, F. Sénée (DAPNIA/SEDI) V. Lepeltier (LAL Orsay) * Thèse en co-tutelle UvA-Saclay

  2. Nouvelles • MoA LC-TPC en cours de signature • Participation à FJPPL (+Sakura), FCPPL • Visite de T. Matsuda, mai 2007 (coordinateur région Asie LC-TPC) : “Saclay doit être un pilier de la TPC” • Conseil scientifique DAPNIA/SPP 30 juin • Nouveau local, en cours d’équipement • Maintien et augmentation du financement • Demande d’1 postdoc (en cours, P2i) et un physicien supplémentaire (David Attié fin de contrat EUDET fin mars, Max Chefdeville thèse printemps 2008)

  3. Forte synergie ILC-T2K • Mutualisation de l’électronique (T2K-Tests ILC-TPC) • Grand succès des tests T2K au CERN • Collaboration sur R&D résisitif

  4. Panneaux Micromégaspour le Large Prototype 1 panneau ‘bulk résistif’ à tester en mars 2008 et 7 en 2009 1 panneau multi-puces de TPC digitale (SiTPC EUDET) fin 2007. Opérationnel fin 2008. Boîtier test 1726 pads électronique T2K. F. Sénée, M. Riallot

  5. Trigger cosmique pour le Large Prototype Scintillateurs (Yuri Kundenko, T2K) lus par des MPPC Boîtiers contenant coupleurs optiques, MPPC, maintien de la température par effet Peltier (J.-M. Reymond)

  6. 2 voies pour la TPC Micromégas de l’ILC 1/√12 • Tests au Japon et théorie analytique: limites sur la résolution (fluctuations d’ionisation et de gain, taille finie des pads) : ~10% de la largeur du pad • Solution 1: TPC digitale : talk D.Attié • Solution 2: revêtements résistifs : talk S.Turnbull • Importance des fluctuations de gain: talk V.Lepeltier 1/√(12.Neff)

  7. Publications [1] P. Colas, A. Delbart, J. Derré, I. Giomataris, F. Jeanneau, V. Lepeltier, I. Papadopoulos, Ph. Rebourgeard, ‘Electron drift velocity measurements at high electric fields’, Nucl. Instrum. and Meth. A (2002) [2] P. Colas, I. Giomataris, V. Lepeltier, M. Ronan, ‘First tests of a Micromegas TPC in a magnetic field’, Nucl. Instrum. and Methods A 535 (2004) 181-185 [3] P. Colas, I. Giomataris and V. Lepeltier ‘Ion backflow in the Micromegas TPC for the future linear collider’Nucl. Instrum. and Methods A 535 (2004) 226 [4] P. Colas, A.P. Colijn, A. Fornaini, Y. Giomataris, H. van der Graaf, E.H.M. Heijne, X. Llopart, J. Schmitz, J. Timmermans and J.L. Visschers ‘The readout of a GEM or Micromegas-equipped TPC by means of the Medipix2 CMOS sensor as direct anode’Nucl. Instrum. and Methods A 535 (2004) 506-510 [5] M. Campbell, M. Chefdeville, P. Colas, A.P. Colijn, A. Fornaini, Y. Giomataris, H. van der Graaf, E.H.M. Heijne, ‘Detection of single electrons by means of a Micromegas-covered MediPix2 pixel CMOS readout circuit’,Nucl. Instrum. and Methods A 540 (2005) 295-304 [6] A.Bellerive, M. Dixit, V. Lepeltier, P. Colas et al., Spatial resolution of a Micromegas TPC using the charge dispersion signal, 2005, Proc. of LCWS05, Stanford. [7] M. Chefdeville, P. Colas, Y. Giomataris, H. van der Graaf, E.H.M. Heijne, S. van der Putten, C. Salm, J. Schmitz, S. Smits, J. Timmermans, et al. ‘An electron-multiplying ‘Micromegas’ grid made in silicon wafer post-processing technology’, Nucl. Instrum. Methods A556 (2006) 490. [8] I. Giomataris, R. De Oliveira, S. Andriamonje, S. Aune, G. Charpak, P. Colas, G. Fanourakis, E. Ferrer, A. Giganon and P. Rebourgeard, ‘Micromegas in a Bulk’, Nucl. Instrum. and Methods A 560 (2006) 405-408. [9] D. C. Arogancia, A.M. Bacala, K. Boudjemline, D. R. Burke, P. Colas, M. Dixit, K. Fujii, H. Fujishima, A. Giganon, I. Giomataris, H. C. Gooc, M. Habu, T. Higashi, Y. Kato, M. Kobayashi, H. Kuroiwa, V. Lepeltier, T. Matsuda, S. Matsushita, K. Nakamura, O. Nitoh, R. L. Reserva, Ph. Rosier, K. Sachs, R. Settles, A. Sugiyama, T. Takahashi, T. Watanabe, A. Yamaguchi, H. Yamaoka, Th. Zerguerras ‘Study in a beam test of the resolution of a Micromegas TPC with standard readout pads’, http://www.arxiv.org/pdf/0705.2210. submitted to NIM A (2007)

  8. Publications (suite) • [10] J. Bouchez, D. R. Burke, Ch. Cavata, P. Colas, X. De La Broise, A. Delbart, A. Giganon, I. Giomataris, P. Graffin, J.-Ph. Mols, F. Pierre, J.-L. Ritou, A. Sarrat, E. Virique, M. Zito, E. Radicioni, R. De Oliveira, J. Dumarchez, N. Abgrall, P. Bene, A. Blondel, A. Cervera, D. Ferrere, F. Maschiocchi, E. Perrin, J.-P. Richeux, R. Schroeter, G. Jover, T. Lux, A. Y. Rodriguez and F. Sanchez, ‘Bulk Micromegas detectors for large TPC applications, Nucl. Instr. and Methods A 574 (2007) 425. • [11] M. Dixit, D. Attié, A. Bellerive, K. Boudjemline, P. Colas, P. Giganon, I. Giomataris, V. Lepeltier, S. Liu, J.-P. Martin, K. Sachs, Y. Shin, S. Turnbull, ‘Micromegas TPC studies at high magnetic fields using the charge dispersion signal’, Nucl. Instrum. Methods A581 (2007) 254. • [12] T. Zerguerras, B. Genolini, V. Lepeltier, J. Peyré, J. Pouthas, ‘MPGD's spatial and energy resolution studies with an adjustable point-like electron source’, Nucl. Instrum. Methods A581 (2007) 258. • [13] M. Kobayashia, T. Araki, D.C. Arogancia, A.M. Bacala, K. Boudjemline, D. Burke, P. Colas, M. Dixit, K. Fujii, H. Fujishima, A. Giganon, I. Giomataris, H.C. Gooc Jr, M. Habu, T. Higashi, K. Ikematsu, K. Kadomatsu, Y. Kato, H. Kuroiwa, V. Lepeltier, T. Matsuda, S. Matsushita, K. Nakamura, O. Nitoh, J. Pouthas, R.L. Reserva, P. Rosier, R.D. Settles, A. Sugiyama, T. Takahashi, Y. Tanaka, T. Watanabe, A. Yamaguchi, T. Yamamoto, H. Yamaoka and T. Zerguerras, ‘Performance of MPGD-based TPC prototypes for the linear collider experiment’, Nucl. Instrum. Methods A581 (2007) 265. • En préparation: • Study of gain fluctuations • V.M. Blanco Carballo, M. Chefdeville, S. Dunand, P. Colas, M. Fransen, H. van der • Graaf, F. Hartjes, E. Koffeman, J. Melai, H. Peek, C. Salm, J. Schmitz, S. M. Smits, J. • Timmermans, J.L. Visschers, N. Wyrsch, ‘A discharge protection layer for CMOS pixel anode chips’ • Aging • Direct measurement of Fano statistics of various gases • Site web: • http://www-dapnia.cea.fr/ILC-TPC

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