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

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

Research output: Contribution to journalArticle

2 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 languageEnglish
Article number063H01
JournalProgress of Theoretical and Experimental Physics
Volume2015
Issue number6
DOIs
Publication statusPublished - 2015

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aerogels
neutrons
sensitivity
detectors
photons
modules
blindness
counters
energy
simulation

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

An aerogel Cherenkov detector for multi-GeV photon detection with low sensitivity to neutrons. / Maeda, Y.; Kawasaki, N.; Masuda, Takahiko; Morii, H.; Naito, D.; Nakajima, Y.; Nanjo, H.; Nomura, T.; Sasao, Noboru; 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 journalArticle

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 2015, 'An aerogel Cherenkov detector for multi-GeV photon detection with low sensitivity to neutrons', Progress of Theoretical and Experimental Physics, vol. 2015, no. 6, 063H01. https://doi.org/10.1093/ptep/ptv074
Maeda, Y. ; Kawasaki, N. ; Masuda, Takahiko ; Morii, H. ; Naito, D. ; Nakajima, Y. ; Nanjo, H. ; Nomura, T. ; Sasao, Noboru ; Seki, S. ; Shiomi, K. ; Sumida, T. ; Tajima, Y. / An aerogel Cherenkov detector for multi-GeV photon detection with low sensitivity to neutrons. In: Progress of Theoretical and Experimental Physics. 2015 ; Vol. 2015, No. 6.
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