An aerogel Cherenkov detector for multi-GeV photon detection with low sensitivity to neutrons

Y. Maeda; N. Kawasaki; T. Masuda; H. Morii; D. Naito; Y. Nakajima; H. Nanjo; T. Nomura; N. Sasao; S. Seki; K. Shiomi; T. Sumida; Y. Tajima

doi:10.1093/ptep/ptv074

An aerogel Cherenkov detector for multi-GeV photon detection with low sensitivity to neutrons

Y. Maeda, N. Kawasaki, T. Masuda, H. Morii, D. Naito, Y. Nakajima, H. Nanjo, T. Nomura, N. Sasao, S. Seki, K. Shiomi, T. Sumida, Y. Tajima

Research Institute for Interdisciplinary Science

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

5 Citations (Scopus)

Abstract

We describe a novel multi-GeV photon detector which operates under an intense flux of neutrons. It is composed of lead-aerogel sandwich counter modules. Its salient features are high photon detection efficiency and blindness to neutrons. Monte Carlo (MC) simulations show that the efficiency for photons with energy larger than 1GeV is expected to be higher than 99.5% and that for 2 GeV/c neutrons is less than 1%. Performance of photon detection with an underlying large flux of neutrons was measured by a partial detector with 12 modules. We confirm the efficiency for photons with energy >1 GeV is consistent with the MC expectation within an uncertainty of 8.2%.

Original language	English
Article number	063H01
Journal	Progress of Theoretical and Experimental Physics
Volume	2015
Issue number	6
DOIs	https://doi.org/10.1093/ptep/ptv074
Publication status	Published - 2015

ASJC Scopus subject areas

Physics and Astronomy(all)

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10.1093/ptep/ptv074

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An aerogel Cherenkov detector for multi-GeV photon detection with low sensitivity to neutrons. / Maeda, Y.; Kawasaki, N.; Masuda, T.; Morii, H.; Naito, D.; Nakajima, Y.; Nanjo, H.; Nomura, T.; Sasao, N.; Seki, S.; Shiomi, K.; Sumida, T.; Tajima, Y.

In: Progress of Theoretical and Experimental Physics, Vol. 2015, No. 6, 063H01, 2015.

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

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abstract = "We describe a novel multi-GeV photon detector which operates under an intense flux of neutrons. It is composed of lead-aerogel sandwich counter modules. Its salient features are high photon detection efficiency and blindness to neutrons. Monte Carlo (MC) simulations show that the efficiency for photons with energy larger than 1GeV is expected to be higher than 99.5% and that for 2 GeV/c neutrons is less than 1%. Performance of photon detection with an underlying large flux of neutrons was measured by a partial detector with 12 modules. We confirm the efficiency for photons with energy >1 GeV is consistent with the MC expectation within an uncertainty of 8.2%.",

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AU - Morii, H.

AU - Naito, D.

AU - Nakajima, Y.

AU - Nanjo, H.

AU - Nomura, T.

AU - Sasao, N.

AU - Seki, S.

AU - Shiomi, K.

AU - Sumida, T.

AU - Tajima, Y.

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