Search for cosmic-ray antiproton origins and for cosmological antimatter with BESS

A. Yamamoto, J. W. Mitchell, Koji Yoshimura, K. Abe, H. Fuke, S. Haino, T. Hams, M. Hasegawa, A. Horikoshi, A. Itazaki, K. C. Kim, T. Kumazawa, A. Kusumoto, M. H. Lee, Y. Makida, S. Matsuda, Y. Matsukawa, K. Matsumoto, A. A. Moiseev, Z. MyersJ. Nishimura, M. Nozaki, R. Orito, J. F. Ormes, K. Sakai, M. Sasaki, E. S. Seo, Y. Shikaze, R. Shinoda, R. E. Streitmatter, J. Suzuki, Y. Takasugi, K. Takeuchi, K. Tanaka, T. Taniguchi, N. Thakur, T. Yamagami, T. Yoshida

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

The balloon-borne experiment with a superconducting spectrometer (BESS) has performed cosmic-ray observations as a US-Japan cooperative space science program, and has provided fundamental data on cosmic rays to study elementary particle phenomena in the early Universe. The BESS experiment has measured the energy spectra of cosmic-ray antiprotons to investigate signatures of possible exotic origins such as dark matter candidates or primordial black holes, and searched for heavier antinuclei that might reach Earth from antimatter domains formed in the early Universe. The apex of the BESS program was reached with the Antarctic flight of BESS-Polar II, during the 2007-2008 Austral Summer, that obtained over 4.7 billion cosmic-ray events from 24.5 days of observation. The flight took place at the expected solar minimum, when the sensitivity of the low-energy antiproton measurements to a primary source is greatest. Here, we report the scientific results, focusing on the long-duration flights of BESS-Polar I (2004) and BESS-Polar II (2007-2008).

Original languageEnglish
Pages (from-to)227-233
Number of pages7
JournalAdvances in Space Research
Volume51
Issue number2
DOIs
Publication statusPublished - Jan 15 2013
Externally publishedYes

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antimatter
Cosmic rays
antiprotons
cosmic ray
Spectrometers
cosmic rays
spectrometer
spectrometers
experiment
Experiments
flight
universe
particle phenomena
Elementary particles
aerospace sciences
elementary particles
Electric power measurement
balloons
Balloons
summer

Keywords

  • Antimatter
  • Antiproton
  • Cosmic rays
  • Primordial black hole
  • Solar BESS
  • Solar modulation

ASJC Scopus subject areas

  • Aerospace Engineering
  • Space and Planetary Science

Cite this

Search for cosmic-ray antiproton origins and for cosmological antimatter with BESS. / Yamamoto, A.; Mitchell, J. W.; Yoshimura, Koji; Abe, K.; Fuke, H.; Haino, S.; Hams, T.; Hasegawa, M.; Horikoshi, A.; Itazaki, A.; Kim, K. C.; Kumazawa, T.; Kusumoto, A.; Lee, M. H.; Makida, Y.; Matsuda, S.; Matsukawa, Y.; Matsumoto, K.; Moiseev, A. A.; Myers, Z.; Nishimura, J.; Nozaki, M.; Orito, R.; Ormes, J. F.; Sakai, K.; Sasaki, M.; Seo, E. S.; Shikaze, Y.; Shinoda, R.; Streitmatter, R. E.; Suzuki, J.; Takasugi, Y.; Takeuchi, K.; Tanaka, K.; Taniguchi, T.; Thakur, N.; Yamagami, T.; Yoshida, T.

In: Advances in Space Research, Vol. 51, No. 2, 15.01.2013, p. 227-233.

Research output: Contribution to journalArticle

Yamamoto, A, Mitchell, JW, Yoshimura, K, Abe, K, Fuke, H, Haino, S, Hams, T, Hasegawa, M, Horikoshi, A, Itazaki, A, Kim, KC, Kumazawa, T, Kusumoto, A, Lee, MH, Makida, Y, Matsuda, S, Matsukawa, Y, Matsumoto, K, Moiseev, AA, Myers, Z, Nishimura, J, Nozaki, M, Orito, R, Ormes, JF, Sakai, K, Sasaki, M, Seo, ES, Shikaze, Y, Shinoda, R, Streitmatter, RE, Suzuki, J, Takasugi, Y, Takeuchi, K, Tanaka, K, Taniguchi, T, Thakur, N, Yamagami, T & Yoshida, T 2013, 'Search for cosmic-ray antiproton origins and for cosmological antimatter with BESS', Advances in Space Research, vol. 51, no. 2, pp. 227-233. https://doi.org/10.1016/j.asr.2011.07.012
Yamamoto, A. ; Mitchell, J. W. ; Yoshimura, Koji ; Abe, K. ; Fuke, H. ; Haino, S. ; Hams, T. ; Hasegawa, M. ; Horikoshi, A. ; Itazaki, A. ; Kim, K. C. ; Kumazawa, T. ; Kusumoto, A. ; Lee, M. H. ; Makida, Y. ; Matsuda, S. ; Matsukawa, Y. ; Matsumoto, K. ; Moiseev, A. A. ; Myers, Z. ; Nishimura, J. ; Nozaki, M. ; Orito, R. ; Ormes, J. F. ; Sakai, K. ; Sasaki, M. ; Seo, E. S. ; Shikaze, Y. ; Shinoda, R. ; Streitmatter, R. E. ; Suzuki, J. ; Takasugi, Y. ; Takeuchi, K. ; Tanaka, K. ; Taniguchi, T. ; Thakur, N. ; Yamagami, T. ; Yoshida, T. / Search for cosmic-ray antiproton origins and for cosmological antimatter with BESS. In: Advances in Space Research. 2013 ; Vol. 51, No. 2. pp. 227-233.
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AU - Yamamoto, A.

AU - Mitchell, J. W.

AU - Yoshimura, Koji

AU - Abe, K.

AU - Fuke, H.

AU - Haino, S.

AU - Hams, T.

AU - Hasegawa, M.

AU - Horikoshi, A.

AU - Itazaki, A.

AU - Kim, K. C.

AU - Kumazawa, T.

AU - Kusumoto, A.

AU - Lee, M. H.

AU - Makida, Y.

AU - Matsuda, S.

AU - Matsukawa, Y.

AU - Matsumoto, K.

AU - Moiseev, A. A.

AU - Myers, Z.

AU - Nishimura, J.

AU - Nozaki, M.

AU - Orito, R.

AU - Ormes, J. F.

AU - Sakai, K.

AU - Sasaki, M.

AU - Seo, E. S.

AU - Shikaze, Y.

AU - Shinoda, R.

AU - Streitmatter, R. E.

AU - Suzuki, J.

AU - Takasugi, Y.

AU - Takeuchi, K.

AU - Tanaka, K.

AU - Taniguchi, T.

AU - Thakur, N.

AU - Yamagami, T.

AU - Yoshida, T.

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KW - Cosmic rays

KW - Primordial black hole

KW - Solar BESS

KW - Solar modulation

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