A detailed test of a BSO calorimeter with 100-800 MeV positrons

T. Ishikawa; H. Fujimura; R. Hashimoto; S. Kaida; J. Kasagi; R. Kitazawa; S. Kuwasaki; A. Nakamura; K. Nawa; Y. Okada; M. Sato; H. Shimizu; K. Suzuki; Y. Tajima; S. Takahashi; Y. Tsuchikawa; H. Yamazaki; H. Y. Yoshida

doi:10.1016/j.nima.2012.08.085

A detailed test of a BSO calorimeter with 100-800 MeV positrons

T. Ishikawa, H. Fujimura, R. Hashimoto, S. Kaida, J. Kasagi, R. Kitazawa, S. Kuwasaki, A. Nakamura, K. Nawa, Y. Okada, M. Sato, H. Shimizu, K. Suzuki, Y. Tajima, S. Takahashi, Y. Tsuchikawa, H. Yamazaki, H. Y. Yoshida

Research Center for Electron Photon Science (ELPH)

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

19 Citations (Scopus)

Abstract

A performance test has been made for an electro-magnetic calorimeter prototype comprised four identical BSO crystals arranged in a 2×2 matrix by utilizing a positron beam in the energy range from 100 to 800 MeV. The size of each crystal is 40×40×210 mm ³. This is the worlds largest BSO single crystal ever used as a photon detector. The obtained energy resolution is ( ^σE/E) ²=((1.71%±0.03%)/E) ²(1.12%±0.08%) ² at room temperature, where E is the incident positron energy given in GeV. A BGO calorimeter having the same geometry has been employed in the performance test for comparison. The basic scintillation characteristics of BSO crystals measured without the beam are also presented.

Original language	English
Pages (from-to)	348-360
Number of pages	13
Journal	Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume	694
DOIs	https://doi.org/10.1016/j.nima.2012.08.085
Publication status	Published - 2012 Dec 1

Keywords

BSO
Bismuth silicate
EM calorimeter

ASJC Scopus subject areas

Nuclear and High Energy Physics
Instrumentation

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10.1016/j.nima.2012.08.085

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Ishikawa, T., Fujimura, H., Hashimoto, R., Kaida, S., Kasagi, J., Kitazawa, R., Kuwasaki, S., Nakamura, A., Nawa, K., Okada, Y., Sato, M., Shimizu, H., Suzuki, K., Tajima, Y., Takahashi, S., Tsuchikawa, Y., Yamazaki, H., & Yoshida, H. Y. (2012). A detailed test of a BSO calorimeter with 100-800 MeV positrons. Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 694, 348-360. https://doi.org/10.1016/j.nima.2012.08.085

A detailed test of a BSO calorimeter with 100-800 MeV positrons. / Ishikawa, T.; Fujimura, H.; Hashimoto, R.; Kaida, S.; Kasagi, J.; Kitazawa, R.; Kuwasaki, S.; Nakamura, A.; Nawa, K.; Okada, Y.; Sato, M.; Shimizu, H.; Suzuki, K.; Tajima, Y.; Takahashi, S.; Tsuchikawa, Y.; Yamazaki, H.; Yoshida, H. Y.

In: Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 694, 01.12.2012, p. 348-360.

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

Ishikawa, T, Fujimura, H, Hashimoto, R, Kaida, S, Kasagi, J, Kitazawa, R, Kuwasaki, S, Nakamura, A, Nawa, K, Okada, Y, Sato, M, Shimizu, H, Suzuki, K, Tajima, Y, Takahashi, S, Tsuchikawa, Y, Yamazaki, H & Yoshida, HY 2012, 'A detailed test of a BSO calorimeter with 100-800 MeV positrons', Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, vol. 694, pp. 348-360. https://doi.org/10.1016/j.nima.2012.08.085

Ishikawa, T. ; Fujimura, H. ; Hashimoto, R. ; Kaida, S. ; Kasagi, J. ; Kitazawa, R. ; Kuwasaki, S. ; Nakamura, A. ; Nawa, K. ; Okada, Y. ; Sato, M. ; Shimizu, H. ; Suzuki, K. ; Tajima, Y. ; Takahashi, S. ; Tsuchikawa, Y. ; Yamazaki, H. ; Yoshida, H. Y. / A detailed test of a BSO calorimeter with 100-800 MeV positrons. In: Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 2012 ; Vol. 694. pp. 348-360.

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abstract = "A performance test has been made for an electro-magnetic calorimeter prototype comprised four identical BSO crystals arranged in a 2×2 matrix by utilizing a positron beam in the energy range from 100 to 800 MeV. The size of each crystal is 40×40×210 mm 3. This is the worlds largest BSO single crystal ever used as a photon detector. The obtained energy resolution is ( σE/E) 2=((1.71%±0.03%)/E) 2(1.12%±0.08%) 2 at room temperature, where E is the incident positron energy given in GeV. A BGO calorimeter having the same geometry has been employed in the performance test for comparison. The basic scintillation characteristics of BSO crystals measured without the beam are also presented.",

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author = "T. Ishikawa and H. Fujimura and R. Hashimoto and S. Kaida and J. Kasagi and R. Kitazawa and S. Kuwasaki and A. Nakamura and K. Nawa and Y. Okada and M. Sato and H. Shimizu and K. Suzuki and Y. Tajima and S. Takahashi and Y. Tsuchikawa and H. Yamazaki and Yoshida, {H. Y.}",

note = "Funding Information: The authors thank the ELPH accelerator staff for providing the primary electron beam with good quality. They are grateful to K. Matsuda for his technical support in preparation for the measurements. They are thankful to M. Ishii (Shonan Institute of Technology) and H. Ueno (Futek Furnace Co.) for helpful discussions and comments on BSO crystals. This research was partly supported by the Ministry of Education, Science, Sports, and Culture of Japan (Nos. 17340063, and 19002003 ). ",

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AU - Ishikawa, T.

AU - Fujimura, H.

AU - Hashimoto, R.

AU - Kaida, S.

AU - Kasagi, J.

AU - Kitazawa, R.

AU - Kuwasaki, S.

AU - Nakamura, A.

AU - Nawa, K.

AU - Okada, Y.

AU - Sato, M.

AU - Shimizu, H.

AU - Suzuki, K.

AU - Tajima, Y.

AU - Takahashi, S.

AU - Tsuchikawa, Y.

AU - Yamazaki, H.

AU - Yoshida, H. Y.

N1 - Funding Information: The authors thank the ELPH accelerator staff for providing the primary electron beam with good quality. They are grateful to K. Matsuda for his technical support in preparation for the measurements. They are thankful to M. Ishii (Shonan Institute of Technology) and H. Ueno (Futek Furnace Co.) for helpful discussions and comments on BSO crystals. This research was partly supported by the Ministry of Education, Science, Sports, and Culture of Japan (Nos. 17340063, and 19002003 ).

PY - 2012/12/1

Y1 - 2012/12/1

N2 - A performance test has been made for an electro-magnetic calorimeter prototype comprised four identical BSO crystals arranged in a 2×2 matrix by utilizing a positron beam in the energy range from 100 to 800 MeV. The size of each crystal is 40×40×210 mm 3. This is the worlds largest BSO single crystal ever used as a photon detector. The obtained energy resolution is ( σE/E) 2=((1.71%±0.03%)/E) 2(1.12%±0.08%) 2 at room temperature, where E is the incident positron energy given in GeV. A BGO calorimeter having the same geometry has been employed in the performance test for comparison. The basic scintillation characteristics of BSO crystals measured without the beam are also presented.

AB - A performance test has been made for an electro-magnetic calorimeter prototype comprised four identical BSO crystals arranged in a 2×2 matrix by utilizing a positron beam in the energy range from 100 to 800 MeV. The size of each crystal is 40×40×210 mm 3. This is the worlds largest BSO single crystal ever used as a photon detector. The obtained energy resolution is ( σE/E) 2=((1.71%±0.03%)/E) 2(1.12%±0.08%) 2 at room temperature, where E is the incident positron energy given in GeV. A BGO calorimeter having the same geometry has been employed in the performance test for comparison. The basic scintillation characteristics of BSO crystals measured without the beam are also presented.

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