EM calorimeter complex forest for the π0 and η photo-production experiments at LNS-Sendai

K. Suzuki; H. Fujimura; R. Hashimoto; T. Ishikawa; J. Kasagi; S. Kuwasaki; K. Mochizuki; K. Nawa; Y. Okada; Y. Onodera; M. Sato; H. Shimizu; Hirohito Yamazaki; A. Kawano; Y. Sakamoto; K. Maeda

EM calorimeter complex forest for the π⁰ and η photo-production experiments at LNS-Sendai

K. Suzuki, H. Fujimura, R. Hashimoto, T. Ishikawa, J. Kasagi, S. Kuwasaki, K. Mochizuki, K. Nawa, Y. Okada, Y. Onodera, M. Sato, H. Shimizu, Hirohito Yamazaki, A. Kawano, Y. Sakamoto, K. Maeda

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

7 Citations (Scopus)

Abstract

A large solid angle γ-ray detector system, FOREST, has been constructed at LNS-Sendai to study the π⁰ and η photo-production reactions. The FOREST detector consists of three electro-magnetic calorimeters: pure CsI crystals, Lead/SciFi blocks and Lead Glass Cherenkov counters. It covers about 90% of the total solid angle. A new data acquisition system for the FOREST detector has been developed to handle high rate trigger events with a high efficiency. To investigate performances of FOREST and the DAQ system, a test experiment has been conducted. The π⁰ and η mesons are clearly observed. A DAQ efficiency of 76% has been obtained at a 2 kHz trigger request.

Original language	English
Pages (from-to)	978-981
Number of pages	4
Journal	Modern Physics Letters A
Volume	24
Issue number	11-13
Publication status	Published - 2009 Apr 30

Keywords

Baryon resonance
Electro-magnetic calorimeter
π/η photo-production

ASJC Scopus subject areas

Nuclear and High Energy Physics
Astronomy and Astrophysics
Physics and Astronomy(all)

Cite this

EM calorimeter complex forest for the π⁰ and η photo-production experiments at LNS-Sendai. / Suzuki, K.; Fujimura, H.; Hashimoto, R.; Ishikawa, T.; Kasagi, J.; Kuwasaki, S.; Mochizuki, K.; Nawa, K.; Okada, Y.; Onodera, Y.; Sato, M.; Shimizu, H.; Yamazaki, Hirohito; Kawano, A.; Sakamoto, Y.; Maeda, K.

In: Modern Physics Letters A, Vol. 24, No. 11-13, 30.04.2009, p. 978-981.

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

Suzuki, K. ; Fujimura, H. ; Hashimoto, R. ; Ishikawa, T. ; Kasagi, J. ; Kuwasaki, S. ; Mochizuki, K. ; Nawa, K. ; Okada, Y. ; Onodera, Y. ; Sato, M. ; Shimizu, H. ; Yamazaki, Hirohito ; Kawano, A. ; Sakamoto, Y. ; Maeda, K. / EM calorimeter complex forest for the π⁰ and η photo-production experiments at LNS-Sendai. In: Modern Physics Letters A. 2009 ; Vol. 24, No. 11-13. pp. 978-981.

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AU - Suzuki, K.

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AU - Hashimoto, R.

AU - Ishikawa, T.

AU - Kasagi, J.

AU - Kuwasaki, S.

AU - Mochizuki, K.

AU - Nawa, K.

AU - Okada, Y.

AU - Onodera, Y.

AU - Sato, M.

AU - Shimizu, H.

AU - Yamazaki, Hirohito

AU - Kawano, A.

AU - Sakamoto, Y.

AU - Maeda, K.

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AB - A large solid angle γ-ray detector system, FOREST, has been constructed at LNS-Sendai to study the π0 and η photo-production reactions. The FOREST detector consists of three electro-magnetic calorimeters: pure CsI crystals, Lead/SciFi blocks and Lead Glass Cherenkov counters. It covers about 90% of the total solid angle. A new data acquisition system for the FOREST detector has been developed to handle high rate trigger events with a high efficiency. To investigate performances of FOREST and the DAQ system, a test experiment has been conducted. The π0 and η mesons are clearly observed. A DAQ efficiency of 76% has been obtained at a 2 kHz trigger request.

KW - Baryon resonance

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EM calorimeter complex forest for the π⁰ and η photo-production experiments at LNS-Sendai

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Keywords

ASJC Scopus subject areas

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