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. Sasaki; E. S. Seo; Y. Shikaze; R. E. Streitmatter; J. Suzuki; K. Takeuchi; K. Tanaka; T. Taniguchi; T. Yamagami; A. Yamamoto; T. Yoshida; K. Yoshimura

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, K. Yoshimura

Research Institute for Interdisciplinary Science

Research output: Contribution to conference › Paper

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 language	English
Pages	69-72
Number of pages	4
Publication status	Published - 2005
Event	29th International Cosmic Ray Conference, ICRC 2005 - Pune, India Duration: Aug 3 2005 → Aug 10 2005

Other

Other	29th International Cosmic Ray Conference, ICRC 2005
Country	India
City	Pune
Period	8/3/05 → 8/10/05

ASJC Scopus subject areas

Nuclear and High Energy Physics

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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., ... Yoshimura, K. (2005). Flight performance of the BESS-Polar aerogel cherenkov counter. 69-72. Paper presented at 29th International Cosmic Ray Conference, ICRC 2005, Pune, India.

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, K.

2005. 69-72 Paper presented at 29th International Cosmic Ray Conference, ICRC 2005, Pune, India.

Research output: Contribution to conference › Paper

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', Paper presented at 29th International Cosmic Ray Conference, ICRC 2005, Pune, India, 8/3/05 - 8/10/05 pp. 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, K. / Flight performance of the BESS-Polar aerogel cherenkov counter. Paper presented at 29th International Cosmic Ray Conference, ICRC 2005, Pune, India.4 p.

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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.",

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

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TY - CONF

T1 - Flight performance of the BESS-Polar aerogel cherenkov counter

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, K.

PY - 2005

Y1 - 2005

N2 - 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.

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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