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Proceedings Paper

Energy resolution and other properties of CsI(Tl) crystals
Author(s): Nobuaki Sato; Noboru Fujiwara; Masaki Fukushima; Hisaki Hayashii; Kenji Kaneyuki; Seishi Noguchi; Kazuo Ogawa; Eiko Sakai; Naoki Sugiyama; Megumi Takemoto; Yasuo Takeuchi; K. Tamai; Toru Tanimori; Yasushi Watanabe
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Paper Abstract

We plan to use an array of 9600 CsI(Tl) crystals as the electromagnetic (EM) shower detector for the asymmetric B-Factory at KEK. In order to determine the length of a crystal, we studied energy resolution, electron/pion separation, and other properties of 25 cm and 30 cm long CsI(Tl) crystals of a 3 X 3 matrix at GeV energy region. When electrons with energy of 1 GeV (4 GeV) is injected into the crystals, the energy resolution of 25 cm and 30 cm length is 2.7% (3.0%) and 2.4% (1.8%), respectively. The misidentification of a pion as an electron is less than 0.5% for energies above 1 GeV.

Paper Details

Date Published: 22 December 1992
PDF: 6 pages
Proc. SPIE 1734, Gamma-Ray Detectors, (22 December 1992); doi: 10.1117/12.138603
Show Author Affiliations
Nobuaki Sato, KEK (Japan)
Noboru Fujiwara, Nara Women's Univ. (Japan)
Masaki Fukushima, KEK (Japan)
Hisaki Hayashii, Nara Women's Univ. (Japan)
Kenji Kaneyuki, Tokyo Inst. of Technology (Japan)
Seishi Noguchi, Nara Women's Univ. (Japan)
Kazuo Ogawa, KEK (Japan)
Eiko Sakai, Nara Women's Univ. (Japan)
Naoki Sugiyama, Tokyo Inst. of Technology (Japan)
Megumi Takemoto, Nara Women's Univ. (Japan)
Yasuo Takeuchi, Tokyo Inst. of Technology (Japan)
K. Tamai, KEK (Japan)
Toru Tanimori, Tokyo Institute of Technology (Japan)
Yasushi Watanabe, Tokyo Institute of Technology (Japan)


Published in SPIE Proceedings Vol. 1734:
Gamma-Ray Detectors
Elena Aprile, Editor(s)

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