Precise measurements of cosmic-ray hydrogen and helium spectra with BESS

T. Sanuki; H. Matsumoto; M. Nozaki; K. Abe; K. Anraku; Y. Asaoka; M. Fujikawa; M. Imori; T. Maeno; Y. Makida; N. Matsui; H. Matsunaga; J. Mitchell; T. Mitsui; A. Moiseev; M. Motoki; J. Nishimura; S. Orito; J. Ormes; T. Saeki; M. Sasaki; E. S. Seo; Y. Shikaze; T. Sonoda; R. Streitmatter; J. Suzuki; K. Tanaka; I. Ueda; J. Z. Wang; N. Yajima; T. Yamagami; A. Yamamoto; T. Yoshida; K. Yoshimura

doi:10.1016/S0273-1177(01)00118-1

Precise measurements of cosmic-ray hydrogen and helium spectra with BESS

T. Sanuki^*, H. Matsumoto, M. Nozaki, K. Abe, K. Anraku, Y. Asaoka, M. Fujikawa, M. Imori, T. Maeno, Y. Makida, N. Matsui, H. Matsunaga, J. Mitchell, T. Mitsui, A. Moiseev, M. Motoki, J. Nishimura, S. Orito, J. Ormes, T. SaekiM. Sasaki, E. S. Seo, Y. Shikaze, T. Sonoda, R. Streitmatter, J. Suzuki, K. Tanaka, I. Ueda, J. Z. Wang, N. Yajima, T. Yamagami, A. Yamamoto, T. Yoshida, K. Yoshimura

^*Corresponding author for this work

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

7 Citations (Scopus)

Abstract

A series of Balloon-borne Experiments with a Superconducting Spectrometer, BESS, has been made since 1993. We report here the absolute cosmic-ray proton and helium spectra in energy ranges of 1 to 120 GeV and 1 to 54 GeV/nucleon, respectively, as measured by the 1998 balloon flight of the BESS spectrometer. Those spectra were determined within overall uncertainties of ±5 % for protons and ±10 % for helium nuclei including statistical and systematic errors. The covered energy range is relevant to the atmospheric neutrinos observed as "fully contained events" in Super-Kamiokande. In order to extend the energy range up to around 1 TeV, we have started to design and develop new tracking detectors. Those energy spectra in a higher energy region will help to estimate the interstellar spectra of primary cosmic rays and the absolute fluxes of "up-going muons."

Original language	English
Pages (from-to)	761-766
Number of pages	6
Journal	Advances in Space Research
Volume	27
Issue number	4
DOIs	https://doi.org/10.1016/S0273-1177(01)00118-1
Publication status	Published - 2001
Externally published	Yes

ASJC Scopus subject areas

Aerospace Engineering
Astronomy and Astrophysics
Geophysics
Atmospheric Science
Space and Planetary Science
Earth and Planetary Sciences(all)

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Sanuki, T., Matsumoto, H., Nozaki, M., Abe, K., Anraku, K., Asaoka, Y., Fujikawa, M., Imori, M., Maeno, T., Makida, Y., Matsui, N., Matsunaga, H., Mitchell, J., Mitsui, T., Moiseev, A., Motoki, M., Nishimura, J., Orito, S., Ormes, J., ... Yoshimura, K. (2001). Precise measurements of cosmic-ray hydrogen and helium spectra with BESS. Advances in Space Research, 27(4), 761-766. https://doi.org/10.1016/S0273-1177(01)00118-1

Sanuki, T, Matsumoto, H, Nozaki, M, Abe, K, Anraku, K, Asaoka, Y, Fujikawa, M, Imori, M, Maeno, T, Makida, Y, Matsui, N, Matsunaga, H, Mitchell, J, Mitsui, T, Moiseev, A, Motoki, M, Nishimura, J, Orito, S, Ormes, J, Saeki, T, Sasaki, M, Seo, ES, Shikaze, Y, Sonoda, T, Streitmatter, R, Suzuki, J, Tanaka, K, Ueda, I, Wang, JZ, Yajima, N, Yamagami, T, Yamamoto, A, Yoshida, T & Yoshimura, K 2001, 'Precise measurements of cosmic-ray hydrogen and helium spectra with BESS', Advances in Space Research, vol. 27, no. 4, pp. 761-766. https://doi.org/10.1016/S0273-1177(01)00118-1

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title = "Precise measurements of cosmic-ray hydrogen and helium spectra with BESS",

abstract = "A series of Balloon-borne Experiments with a Superconducting Spectrometer, BESS, has been made since 1993. We report here the absolute cosmic-ray proton and helium spectra in energy ranges of 1 to 120 GeV and 1 to 54 GeV/nucleon, respectively, as measured by the 1998 balloon flight of the BESS spectrometer. Those spectra were determined within overall uncertainties of ±5 % for protons and ±10 % for helium nuclei including statistical and systematic errors. The covered energy range is relevant to the atmospheric neutrinos observed as {"}fully contained events{"} in Super-Kamiokande. In order to extend the energy range up to around 1 TeV, we have started to design and develop new tracking detectors. Those energy spectra in a higher energy region will help to estimate the interstellar spectra of primary cosmic rays and the absolute fluxes of {"}up-going muons.{"}",

author = "T. Sanuki and H. Matsumoto and M. Nozaki and K. Abe and K. Anraku and Y. Asaoka and M. Fujikawa and M. Imori and T. Maeno and Y. Makida and N. Matsui and H. Matsunaga and J. Mitchell and T. Mitsui and A. Moiseev and M. Motoki and J. Nishimura and S. Orito and J. Ormes and T. Saeki and M. Sasaki and Seo, {E. S.} and Y. Shikaze and T. Sonoda and R. Streitmatter and J. Suzuki and K. Tanaka and I. Ueda and Wang, {J. Z.} and N. Yajima and T. Yamagami and A. Yamamoto and T. Yoshida and K. Yoshimura",

year = "2001",

doi = "10.1016/S0273-1177(01)00118-1",

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pages = "761--766",

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T1 - Precise measurements of cosmic-ray hydrogen and helium spectra with BESS

AU - Sanuki, T.

AU - Matsumoto, H.

AU - Nozaki, M.

AU - Abe, K.

AU - Anraku, K.

AU - Asaoka, Y.

AU - Fujikawa, M.

AU - Imori, M.

AU - Maeno, T.

AU - Makida, Y.

AU - Matsui, N.

AU - Matsunaga, H.

AU - Mitchell, J.

AU - Mitsui, T.

AU - Moiseev, A.

AU - Motoki, M.

AU - Nishimura, J.

AU - Orito, S.

AU - Ormes, J.

AU - Saeki, T.

AU - Sasaki, M.

AU - Seo, E. S.

AU - Shikaze, Y.

AU - Sonoda, T.

AU - Streitmatter, R.

AU - Suzuki, J.

AU - Tanaka, K.

AU - Ueda, I.

AU - Wang, J. Z.

AU - Yajima, N.

AU - Yamagami, T.

AU - Yamamoto, A.

AU - Yoshida, T.

AU - Yoshimura, K.

PY - 2001

Y1 - 2001

N2 - A series of Balloon-borne Experiments with a Superconducting Spectrometer, BESS, has been made since 1993. We report here the absolute cosmic-ray proton and helium spectra in energy ranges of 1 to 120 GeV and 1 to 54 GeV/nucleon, respectively, as measured by the 1998 balloon flight of the BESS spectrometer. Those spectra were determined within overall uncertainties of ±5 % for protons and ±10 % for helium nuclei including statistical and systematic errors. The covered energy range is relevant to the atmospheric neutrinos observed as "fully contained events" in Super-Kamiokande. In order to extend the energy range up to around 1 TeV, we have started to design and develop new tracking detectors. Those energy spectra in a higher energy region will help to estimate the interstellar spectra of primary cosmic rays and the absolute fluxes of "up-going muons."

AB - A series of Balloon-borne Experiments with a Superconducting Spectrometer, BESS, has been made since 1993. We report here the absolute cosmic-ray proton and helium spectra in energy ranges of 1 to 120 GeV and 1 to 54 GeV/nucleon, respectively, as measured by the 1998 balloon flight of the BESS spectrometer. Those spectra were determined within overall uncertainties of ±5 % for protons and ±10 % for helium nuclei including statistical and systematic errors. The covered energy range is relevant to the atmospheric neutrinos observed as "fully contained events" in Super-Kamiokande. In order to extend the energy range up to around 1 TeV, we have started to design and develop new tracking detectors. Those energy spectra in a higher energy region will help to estimate the interstellar spectra of primary cosmic rays and the absolute fluxes of "up-going muons."

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Precise measurements of cosmic-ray hydrogen and helium spectra with BESS

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