Modularized NaI(Tl) detectors in a half barrel configuration

Masaaki Kobayashi; Shin'ichi Kurokawa; Minoru Takasaki; Takeo Fujitani; Hiroyuki Kusumoto; Tsunehiko Omori; Shojiro Sugimoto; Masahiko Ueda; Yoshitake Yamaguchi; Jun'ichiro Iwahori; Hajime Yoshida; Fujio Takeutchi; Masami Chiba

doi:10.1016/0168-9002(86)90258-5

Modularized NaI(Tl) detectors in a half barrel configuration

Masaaki Kobayashi, Shin'ichi Kurokawa, Minoru Takasaki, Takeo Fujitani, Hiroyuki Kusumoto, Tsunehiko Omori, Shojiro Sugimoto, Masahiko Ueda, Yoshitake Yamaguchi, Jun'ichiro Iwahori, Hajime Yoshida, Fujio Takeutchi, Masami Chiba

Faculty of Environment and Information Studies

Research output: Contribution to journal › Article

11 Citations (Scopus)

Abstract

We have constructed a modularized array of NaI(Tl) detectors in a half barrel configuration that is about 75 cm long with an inner radius of 25 cm. 96 NaI modules are surrounded by a layer of 48 modules of scintillating glass which have similar dimensions to the NaI modules. Each NaI crystal was shaped as a trapezoidal pyramid and encapsulated in a 1 mm thick aluminium container with dimensions of (43 × 94) × (110 × 94) × 377 mm³. The construction and performance are described along with the gain calibration and monitoring, the beam position sensitivity, the scattering between modules, etc. The fwhm energy resolution of a 5 × 5 array of NaI modules varied from 6.5% for incident electrons at 100 MeV to 3.6% at 1000 MeV.

Original language	English
Pages (from-to)	59-70
Number of pages	12
Journal	Nuclear Inst. and Methods in Physics Research, A
Volume	245
Issue number	1
DOIs	https://doi.org/10.1016/0168-9002(86)90258-5
Publication status	Published - 1986 Apr 15

ASJC Scopus subject areas

Nuclear and High Energy Physics
Instrumentation

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Kobayashi, M., Kurokawa, S., Takasaki, M., Fujitani, T., Kusumoto, H., Omori, T., Sugimoto, S., Ueda, M., Yamaguchi, Y., Iwahori, J., Yoshida, H., Takeutchi, F., & Chiba, M. (1986). Modularized NaI(Tl) detectors in a half barrel configuration. Nuclear Inst. and Methods in Physics Research, A, 245(1), 59-70. https://doi.org/10.1016/0168-9002(86)90258-5

Modularized NaI(Tl) detectors in a half barrel configuration. / Kobayashi, Masaaki; Kurokawa, Shin'ichi; Takasaki, Minoru; Fujitani, Takeo; Kusumoto, Hiroyuki; Omori, Tsunehiko; Sugimoto, Shojiro; Ueda, Masahiko; Yamaguchi, Yoshitake; Iwahori, Jun'ichiro; Yoshida, Hajime; Takeutchi, Fujio; Chiba, Masami.

In: Nuclear Inst. and Methods in Physics Research, A, Vol. 245, No. 1, 15.04.1986, p. 59-70.

Research output: Contribution to journal › Article

Kobayashi, Masaaki ; Kurokawa, Shin'ichi ; Takasaki, Minoru ; Fujitani, Takeo ; Kusumoto, Hiroyuki ; Omori, Tsunehiko ; Sugimoto, Shojiro ; Ueda, Masahiko ; Yamaguchi, Yoshitake ; Iwahori, Jun'ichiro ; Yoshida, Hajime ; Takeutchi, Fujio ; Chiba, Masami. / Modularized NaI(Tl) detectors in a half barrel configuration. In: Nuclear Inst. and Methods in Physics Research, A. 1986 ; Vol. 245, No. 1. pp. 59-70.

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AU - Kusumoto, Hiroyuki

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AU - Sugimoto, Shojiro

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AU - Yamaguchi, Yoshitake

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AB - We have constructed a modularized array of NaI(Tl) detectors in a half barrel configuration that is about 75 cm long with an inner radius of 25 cm. 96 NaI modules are surrounded by a layer of 48 modules of scintillating glass which have similar dimensions to the NaI modules. Each NaI crystal was shaped as a trapezoidal pyramid and encapsulated in a 1 mm thick aluminium container with dimensions of (43 × 94) × (110 × 94) × 377 mm3. The construction and performance are described along with the gain calibration and monitoring, the beam position sensitivity, the scattering between modules, etc. The fwhm energy resolution of a 5 × 5 array of NaI modules varied from 6.5% for incident electrons at 100 MeV to 3.6% at 1000 MeV.

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