Flight performance of the BESS-Polar aerogel cherenkov counter

T. Hams, K. Abe, H. Fuke, S. Haino, K. C. Kim, T. Kumazawa, M. H. Lee, Y. Makida, S. Matsuda, H. Matsumoto, K. Matsumoto, J. W. Mitchell, A. A. Moiseev, Z. D. Myers, J. Nishimura, M. Nozaki, A. Ogata, M. Oikawa, J. F. Ormes, M. SasakiE. S. Seo, Y. Shikaze, R. E. Streitmatter, J. Suzuki, K. Takeuchi, K. Tanaka, T. Taniguchi, T. Yamagami, A. Yamamoto, T. Yoshida, Koji Yoshimura

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

The BESS-Polar balloon payload had its first flight on December 13th-21st, 2004 (UTC) from McMurdo Station, Antarctica. The flight duration was over eight days and more than 9 × 108 cosmic-ray events were recorded. An overview of the BESS-Polar flight, the status of the antiproton analysis, and a discussion of the low-power readout electronics and data acquisition system can be found elsewhere in these proceedings. In this paper we discuss the design, testing, and flight performance of the BESS-Polar Cherenkov counter, which operated in ambient conditions outside a pressure vessel. The silica-aerogel Cherenkov radiator had a nominal index-of-refraction, n = 1.02 , yielding an lower limit for the most likely photoelectron (PE) number of 7 in the center of the counter and 9 near the photomultiplier tubes.

Original languageEnglish
Title of host publication29th International Cosmic Ray Conference, ICRC 2005
PublisherTata Institute of Fundamental Research
Pages69-72
Number of pages4
Volume3
Publication statusPublished - 2005
Externally publishedYes
Event29th International Cosmic Ray Conference, ICRC 2005 - Pune, India
Duration: Aug 3 2005Aug 10 2005

Other

Other29th International Cosmic Ray Conference, ICRC 2005
CountryIndia
CityPune
Period8/3/058/10/05

Fingerprint

BESS (satellite)
flight characteristics
aerogels
counters
flight
pressure vessels
radiators
Antarctic regions
photomultiplier tubes
balloons
antiprotons
payloads
data acquisition
readout
refraction
congressional reports
cosmic rays
acquisition
photoelectrons
stations

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

Cite this

Hams, T., Abe, K., Fuke, H., Haino, S., Kim, K. C., Kumazawa, T., ... Yoshimura, K. (2005). Flight performance of the BESS-Polar aerogel cherenkov counter. In 29th International Cosmic Ray Conference, ICRC 2005 (Vol. 3, pp. 69-72). Tata Institute of Fundamental Research.

Flight performance of the BESS-Polar aerogel cherenkov counter. / Hams, T.; Abe, K.; Fuke, H.; Haino, S.; Kim, K. C.; Kumazawa, T.; Lee, M. H.; Makida, Y.; Matsuda, S.; Matsumoto, H.; Matsumoto, K.; Mitchell, J. W.; Moiseev, A. A.; Myers, Z. D.; Nishimura, J.; Nozaki, M.; Ogata, A.; Oikawa, M.; Ormes, J. F.; Sasaki, M.; Seo, E. S.; Shikaze, Y.; Streitmatter, R. E.; Suzuki, J.; Takeuchi, K.; Tanaka, K.; Taniguchi, T.; Yamagami, T.; Yamamoto, A.; Yoshida, T.; Yoshimura, Koji.

29th International Cosmic Ray Conference, ICRC 2005. Vol. 3 Tata Institute of Fundamental Research, 2005. p. 69-72.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Hams, T, Abe, K, Fuke, H, Haino, S, Kim, KC, Kumazawa, T, Lee, MH, Makida, Y, Matsuda, S, Matsumoto, H, Matsumoto, K, Mitchell, JW, Moiseev, AA, Myers, ZD, Nishimura, J, Nozaki, M, Ogata, A, Oikawa, M, Ormes, JF, Sasaki, M, Seo, ES, Shikaze, Y, Streitmatter, RE, Suzuki, J, Takeuchi, K, Tanaka, K, Taniguchi, T, Yamagami, T, Yamamoto, A, Yoshida, T & Yoshimura, K 2005, Flight performance of the BESS-Polar aerogel cherenkov counter. in 29th International Cosmic Ray Conference, ICRC 2005. vol. 3, Tata Institute of Fundamental Research, pp. 69-72, 29th International Cosmic Ray Conference, ICRC 2005, Pune, India, 8/3/05.
Hams T, Abe K, Fuke H, Haino S, Kim KC, Kumazawa T et al. Flight performance of the BESS-Polar aerogel cherenkov counter. In 29th International Cosmic Ray Conference, ICRC 2005. Vol. 3. Tata Institute of Fundamental Research. 2005. p. 69-72
Hams, T. ; Abe, K. ; Fuke, H. ; Haino, S. ; Kim, K. C. ; Kumazawa, T. ; Lee, M. H. ; Makida, Y. ; Matsuda, S. ; Matsumoto, H. ; Matsumoto, K. ; Mitchell, J. W. ; Moiseev, A. A. ; Myers, Z. D. ; Nishimura, J. ; Nozaki, M. ; Ogata, A. ; Oikawa, M. ; Ormes, J. F. ; Sasaki, M. ; Seo, E. S. ; Shikaze, Y. ; Streitmatter, R. E. ; Suzuki, J. ; Takeuchi, K. ; Tanaka, K. ; Taniguchi, T. ; Yamagami, T. ; Yamamoto, A. ; Yoshida, T. ; Yoshimura, Koji. / Flight performance of the BESS-Polar aerogel cherenkov counter. 29th International Cosmic Ray Conference, ICRC 2005. Vol. 3 Tata Institute of Fundamental Research, 2005. pp. 69-72
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AU - Hams, T.

AU - Abe, K.

AU - Fuke, H.

AU - Haino, S.

AU - Kim, K. C.

AU - Kumazawa, T.

AU - Lee, M. H.

AU - Makida, Y.

AU - Matsuda, S.

AU - Matsumoto, H.

AU - Matsumoto, K.

AU - Mitchell, J. W.

AU - Moiseev, A. A.

AU - Myers, Z. D.

AU - Nishimura, J.

AU - Nozaki, M.

AU - Ogata, A.

AU - Oikawa, M.

AU - Ormes, J. F.

AU - Sasaki, M.

AU - Seo, E. S.

AU - Shikaze, Y.

AU - Streitmatter, R. E.

AU - Suzuki, J.

AU - Takeuchi, K.

AU - Tanaka, K.

AU - Taniguchi, T.

AU - Yamagami, T.

AU - Yamamoto, A.

AU - Yoshida, T.

AU - Yoshimura, Koji

PY - 2005

Y1 - 2005

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AB - The BESS-Polar balloon payload had its first flight on December 13th-21st, 2004 (UTC) from McMurdo Station, Antarctica. The flight duration was over eight days and more than 9 × 108 cosmic-ray events were recorded. An overview of the BESS-Polar flight, the status of the antiproton analysis, and a discussion of the low-power readout electronics and data acquisition system can be found elsewhere in these proceedings. In this paper we discuss the design, testing, and flight performance of the BESS-Polar Cherenkov counter, which operated in ambient conditions outside a pressure vessel. The silica-aerogel Cherenkov radiator had a nominal index-of-refraction, n = 1.02 , yielding an lower limit for the most likely photoelectron (PE) number of 7 in the center of the counter and 9 near the photomultiplier tubes.

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