Spatial resolutions of GEM TPC. A novel theoretical formula and its comparison to latest beam test data

R. Yonamine; K. Fujii; K. Ikematsu; A. Ishikawa; T. Fusayasu; P. Gros; Y. Kato; S. Kawada; M. Kobayashi; T. Matsuda; O. Nitoh; R. D. Settles; A. Sugiyama; T. Takahashi; J. Tian; T. Watanabe

doi:10.1088/1748-0221/9/03/C03002

Spatial resolutions of GEM TPC. A novel theoretical formula and its comparison to latest beam test data

R. Yonamine, K. Fujii, K. Ikematsu, A. Ishikawa, T. Fusayasu, P. Gros, Y. Kato, S. Kawada, M. Kobayashi, T. Matsuda, O. Nitoh, R. D. Settles, A. Sugiyama, T. Takahashi, J. Tian, T. Watanabe

SCI - Physics

Research output: Contribution to journal › Article › peer-review

6 Citations (Scopus)

Abstract

Unprecedented charged particle momentum resolution is required for precision Higgs studies at the International Linear Collider (ILC), which in turn demands as many as 200 sampling points with a high spatial resolution of 100 microns or better if we are to adopt a TPC for the central tracker. We discuss a novel theoretical resolution formula for a GEM-readout TPC, which is applicable to inclined tracks as opposed to the previous formula which is valid only for normal incidence. The formula identifies key factors that determine the spatial resolution and helps optimize the readout pad geometry and High Voltage settings for a given gas mixture. The formula is compared to the latest beam test results for a LC TPC Large prototype.

Original language	English
Article number	C03002
Journal	Journal of Instrumentation
Volume	9
Issue number	3
DOIs	https://doi.org/10.1088/1748-0221/9/03/C03002
Publication status	Published - 2014 Mar

Keywords

Charge transport and multiplication in gas
Detector modelling and simulations II (electric fields, charge transport, multiplication and induction, pulse formation, electron emission, etc)
Gaseous detectors
Time projection Chambers (TPC)

ASJC Scopus subject areas

Mathematical Physics
Instrumentation

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10.1088/1748-0221/9/03/C03002

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Yonamine, R., Fujii, K., Ikematsu, K., Ishikawa, A., Fusayasu, T., Gros, P., Kato, Y., Kawada, S., Kobayashi, M., Matsuda, T., Nitoh, O., Settles, R. D., Sugiyama, A., Takahashi, T., Tian, J., & Watanabe, T. (2014). Spatial resolutions of GEM TPC. A novel theoretical formula and its comparison to latest beam test data. Journal of Instrumentation, 9(3), [C03002]. https://doi.org/10.1088/1748-0221/9/03/C03002

Spatial resolutions of GEM TPC. A novel theoretical formula and its comparison to latest beam test data. / Yonamine, R.; Fujii, K.; Ikematsu, K.; Ishikawa, A.; Fusayasu, T.; Gros, P.; Kato, Y.; Kawada, S.; Kobayashi, M.; Matsuda, T.; Nitoh, O.; Settles, R. D.; Sugiyama, A.; Takahashi, T.; Tian, J.; Watanabe, T.

In: Journal of Instrumentation, Vol. 9, No. 3, C03002, 03.2014.

Research output: Contribution to journal › Article › peer-review

Yonamine, R, Fujii, K, Ikematsu, K, Ishikawa, A, Fusayasu, T, Gros, P, Kato, Y, Kawada, S, Kobayashi, M, Matsuda, T, Nitoh, O, Settles, RD, Sugiyama, A, Takahashi, T, Tian, J & Watanabe, T 2014, 'Spatial resolutions of GEM TPC. A novel theoretical formula and its comparison to latest beam test data', Journal of Instrumentation, vol. 9, no. 3, C03002. https://doi.org/10.1088/1748-0221/9/03/C03002

Yonamine, R. ; Fujii, K. ; Ikematsu, K. ; Ishikawa, A. ; Fusayasu, T. ; Gros, P. ; Kato, Y. ; Kawada, S. ; Kobayashi, M. ; Matsuda, T. ; Nitoh, O. ; Settles, R. D. ; Sugiyama, A. ; Takahashi, T. ; Tian, J. ; Watanabe, T. / Spatial resolutions of GEM TPC. A novel theoretical formula and its comparison to latest beam test data. In: Journal of Instrumentation. 2014 ; Vol. 9, No. 3.

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abstract = "Unprecedented charged particle momentum resolution is required for precision Higgs studies at the International Linear Collider (ILC), which in turn demands as many as 200 sampling points with a high spatial resolution of 100 microns or better if we are to adopt a TPC for the central tracker. We discuss a novel theoretical resolution formula for a GEM-readout TPC, which is applicable to inclined tracks as opposed to the previous formula which is valid only for normal incidence. The formula identifies key factors that determine the spatial resolution and helps optimize the readout pad geometry and High Voltage settings for a given gas mixture. The formula is compared to the latest beam test results for a LC TPC Large prototype.",

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AU - Yonamine, R.

AU - Fujii, K.

AU - Ikematsu, K.

AU - Ishikawa, A.

AU - Fusayasu, T.

AU - Gros, P.

AU - Kato, Y.

AU - Kawada, S.

AU - Kobayashi, M.

AU - Matsuda, T.

AU - Nitoh, O.

AU - Settles, R. D.

AU - Sugiyama, A.

AU - Takahashi, T.

AU - Tian, J.

AU - Watanabe, T.

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AB - Unprecedented charged particle momentum resolution is required for precision Higgs studies at the International Linear Collider (ILC), which in turn demands as many as 200 sampling points with a high spatial resolution of 100 microns or better if we are to adopt a TPC for the central tracker. We discuss a novel theoretical resolution formula for a GEM-readout TPC, which is applicable to inclined tracks as opposed to the previous formula which is valid only for normal incidence. The formula identifies key factors that determine the spatial resolution and helps optimize the readout pad geometry and High Voltage settings for a given gas mixture. The formula is compared to the latest beam test results for a LC TPC Large prototype.

KW - Charge transport and multiplication in gas

KW - Detector modelling and simulations II (electric fields, charge transport, multiplication and induction, pulse formation, electron emission, etc)

KW - Gaseous detectors

KW - Time projection Chambers (TPC)

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Spatial resolutions of GEM TPC. A novel theoretical formula and its comparison to latest beam test data

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