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Conference papers
A study with a small prototype TPC for the international linear collider experiment
K. Ackermann
S. Arai
D. C. Arogancia
A.M. Bacala
M. Ball
T. Behnke
H. Bito
V. Eckardt
K. Fujii
T. Fusayasu
N. Ghodbane
H. C. Gooc
T. Kijima
M. Hamann
M. Habu
R. D. Heuer
K. Hiramatsu
K. Ikematsu
A. Kaukher
H. Kuroiwa
M. E. Janssen
Y. Kato
M. Kobayashi
T. Kuhl
T. Lux
T. Matsuda
S. Matsushita
A. Miyazaki
K. Nakamura
O. Nitoh
H. Ohta
J. Pouthas
1
R. L. Reserva
Ph. Rosier
1
N. Sakamoto
T. Takahashi
H. Tsuji
T. Watanabe
P. Wienemann
R. Wurth
H. Yamaguchi
M. Yamaguchi
A. Yamaguchi
T. Yamamura
T. Yazu
T. Yazu
Author
1
IPNO - Institut de Physique Nucléaire d'Orsay (IPN - 15, rue Georges Clemenceau - 91406 ORSAY CEDEX - France)
- UP11 - Université Paris-Sud - Paris 11 (Bâtiment 300 - 91405 Orsay cedex - France)
- IN2P3 - Institut National de Physique Nucléaire et de Physique des Particules du CNRS (France)
- CNRS - Centre National de la Recherche Scientifique : UMR8608 (France)
Abstract : A time projection chamber (TPC) is a strong candidate for the central tracker of the international linear collider (ILC) experiment and we have been conducting a series of cosmic ray experiments under a magnetic field up to 4 T, using a small prototype TPC with a replaceable readout device: multi-wire proportional chamber (MWPC) or gas electron multiplier (GEM). We first confirmed that the MWPC readout could not be a fall-back option of the ILC-TPC under a strong axial magnetic field of 4 T since its spatial resolution suffered severely from the so called E×B effect in the vicinity of the wire planes. The GEM readout, on the other hand, was found to be virtually free from the E×B effect and gave the resolution determined by the transverse diffusion of the drift electrons (diffusion limited). Furthermore, GEMs allow a wider choice of gas mixtures than MWPCs. Among the gases we tried so far a mixture of Ar–CF4-isobutane seems promising as the operating gas of the ILC-TPC because of its small diffusion constant especially under a strong magnetic field. We report the spatial resolution obtained with the GEM readout in this gas mixture. Also presented is the spatial resolution of a GEM-based ILC-TPC estimated from the measurement with the prototype.
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http://hal.in2p3.fr/in2p3-00552154
Contributor : Sophie Heurteau <>
Submitted on : Thursday, January 6, 2011 - 11:08:13 AM
Last modification on : Wednesday, October 14, 2020 - 3:59:27 AM
Contributor : Sophie Heurteau <>
Submitted on : Thursday, January 6, 2011 - 11:08:13 AM
Last modification on : Wednesday, October 14, 2020 - 3:59:27 AM
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- HAL Id : in2p3-00552154, version 1
- DOI : 10.1016/j.nima.2010.02.175
Citation
K. Ackermann, S. Arai, D. C. Arogancia, A.M. Bacala, M. Ball, et al.. A study with a small prototype TPC for the international linear collider experiment. 1st International Conference on Technology and Instrumentation in Particle Physics, Mar 2009, Tsukuba, Japan. pp.141-143, ⟨10.1016/j.nima.2010.02.175⟩. ⟨in2p3-00552154⟩
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