Measurements of cosmic-ray low-energy antiproton and proton spectra in a transient period of solar field reversal

Yoichi Asaoka, Y. Shikaze, K. Abe, K. Anraku, M. Fujikawa, H. Fuke, S. Haino, M. Imori, K. Izumi, T. Maeno, Y. Makida, S. Matsuda, N. Matsui, T. Matsukawa, H. Matsumoto, H. Matsunaga, J. Mitchell, T. Mitsui, A. Moiseev, M. MotokiJ. Nishimura, M. Nozaki, S. Orito, J. F. Ormes, T. Saeki, T. Sanuki, M. Sasaki, E. S. Seo, T. Sonoda, R. Streitmatter, J. Suzuki, K. Tanaka, K. Tanizaki, I. Ueda, J. Z. Wang, Y. Yajima, Y. Yamagami, A. Yamamoto, Y. Yamamoto, K. Yamato, T. Yoshida, K. Yoshimura

Research output: Contribution to journalArticle

178 Citations (Scopus)

Abstract

Cosmic-ray low-energy antiproton and proton spectra were measured in a transient period of solar field reversal. Expansion of solar wind is the cause of the solar modulation of cosmic rays. The results showed an increase of the antiprotons/protons flux ratio following the solar magnetic field reversal and it generally agrees with a drift model of the solar modulation.

Original languageEnglish
Pages (from-to)511011-511014
Number of pages4
JournalPhysical Review Letters
Volume88
Issue number5
Publication statusPublished - 2002 Feb 4
Externally publishedYes

Fingerprint

antiprotons
cosmic rays
modulation
solar magnetic field
protons
solar wind
expansion
energy
causes

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Asaoka, Y., Shikaze, Y., Abe, K., Anraku, K., Fujikawa, M., Fuke, H., ... Yoshimura, K. (2002). Measurements of cosmic-ray low-energy antiproton and proton spectra in a transient period of solar field reversal. Physical Review Letters, 88(5), 511011-511014.

Measurements of cosmic-ray low-energy antiproton and proton spectra in a transient period of solar field reversal. / Asaoka, Yoichi; Shikaze, Y.; Abe, K.; Anraku, K.; Fujikawa, M.; Fuke, H.; Haino, S.; Imori, M.; Izumi, K.; Maeno, T.; Makida, Y.; Matsuda, S.; Matsui, N.; Matsukawa, T.; Matsumoto, H.; Matsunaga, H.; Mitchell, J.; Mitsui, T.; Moiseev, A.; Motoki, M.; Nishimura, J.; Nozaki, M.; Orito, S.; Ormes, J. F.; Saeki, T.; Sanuki, T.; Sasaki, M.; Seo, E. S.; Sonoda, T.; Streitmatter, R.; Suzuki, J.; Tanaka, K.; Tanizaki, K.; Ueda, I.; Wang, J. Z.; Yajima, Y.; Yamagami, Y.; Yamamoto, A.; Yamamoto, Y.; Yamato, K.; Yoshida, T.; Yoshimura, K.

In: Physical Review Letters, Vol. 88, No. 5, 04.02.2002, p. 511011-511014.

Research output: Contribution to journalArticle

Asaoka, Y, Shikaze, Y, Abe, K, Anraku, K, Fujikawa, M, Fuke, H, Haino, S, Imori, M, Izumi, K, Maeno, T, Makida, Y, Matsuda, S, Matsui, N, Matsukawa, T, Matsumoto, H, Matsunaga, H, Mitchell, J, Mitsui, T, Moiseev, A, Motoki, M, Nishimura, J, Nozaki, M, Orito, S, Ormes, JF, Saeki, T, Sanuki, T, Sasaki, M, Seo, ES, Sonoda, T, Streitmatter, R, Suzuki, J, Tanaka, K, Tanizaki, K, Ueda, I, Wang, JZ, Yajima, Y, Yamagami, Y, Yamamoto, A, Yamamoto, Y, Yamato, K, Yoshida, T & Yoshimura, K 2002, 'Measurements of cosmic-ray low-energy antiproton and proton spectra in a transient period of solar field reversal', Physical Review Letters, vol. 88, no. 5, pp. 511011-511014.
Asaoka, Yoichi ; Shikaze, Y. ; Abe, K. ; Anraku, K. ; Fujikawa, M. ; Fuke, H. ; Haino, S. ; Imori, M. ; Izumi, K. ; Maeno, T. ; Makida, Y. ; Matsuda, S. ; Matsui, N. ; Matsukawa, T. ; Matsumoto, H. ; Matsunaga, H. ; Mitchell, J. ; Mitsui, T. ; Moiseev, A. ; Motoki, M. ; Nishimura, J. ; Nozaki, M. ; Orito, S. ; Ormes, J. F. ; Saeki, T. ; Sanuki, T. ; Sasaki, M. ; Seo, E. S. ; Sonoda, T. ; Streitmatter, R. ; Suzuki, J. ; Tanaka, K. ; Tanizaki, K. ; Ueda, I. ; Wang, J. Z. ; Yajima, Y. ; Yamagami, Y. ; Yamamoto, A. ; Yamamoto, Y. ; Yamato, K. ; Yoshida, T. ; Yoshimura, K. / Measurements of cosmic-ray low-energy antiproton and proton spectra in a transient period of solar field reversal. In: Physical Review Letters. 2002 ; Vol. 88, No. 5. pp. 511011-511014.
@article{1e5a518338554ad5ba52f5dfb7429d02,
title = "Measurements of cosmic-ray low-energy antiproton and proton spectra in a transient period of solar field reversal",
abstract = "Cosmic-ray low-energy antiproton and proton spectra were measured in a transient period of solar field reversal. Expansion of solar wind is the cause of the solar modulation of cosmic rays. The results showed an increase of the antiprotons/protons flux ratio following the solar magnetic field reversal and it generally agrees with a drift model of the solar modulation.",
author = "Yoichi Asaoka and Y. Shikaze and K. Abe and K. Anraku and M. Fujikawa and H. Fuke and S. Haino and M. Imori and K. Izumi and T. Maeno and Y. Makida and S. Matsuda and N. Matsui and T. Matsukawa and H. Matsumoto and H. Matsunaga and J. Mitchell and T. Mitsui and A. Moiseev and M. Motoki and J. Nishimura and M. Nozaki and S. Orito and Ormes, {J. F.} and T. Saeki and T. Sanuki and M. Sasaki and Seo, {E. S.} and T. Sonoda and R. Streitmatter and J. Suzuki and K. Tanaka and K. Tanizaki and I. Ueda and Wang, {J. Z.} and Y. Yajima and Y. Yamagami and A. Yamamoto and Y. Yamamoto and K. Yamato and T. Yoshida and K. Yoshimura",
year = "2002",
month = "2",
day = "4",
language = "English",
volume = "88",
pages = "511011--511014",
journal = "Physical Review Letters",
issn = "0031-9007",
publisher = "American Physical Society",
number = "5",

}

TY - JOUR

T1 - Measurements of cosmic-ray low-energy antiproton and proton spectra in a transient period of solar field reversal

AU - Asaoka, Yoichi

AU - Shikaze, Y.

AU - Abe, K.

AU - Anraku, K.

AU - Fujikawa, M.

AU - Fuke, H.

AU - Haino, S.

AU - Imori, M.

AU - Izumi, K.

AU - Maeno, T.

AU - Makida, Y.

AU - Matsuda, S.

AU - Matsui, N.

AU - Matsukawa, T.

AU - Matsumoto, H.

AU - Matsunaga, H.

AU - Mitchell, J.

AU - Mitsui, T.

AU - Moiseev, A.

AU - Motoki, M.

AU - Nishimura, J.

AU - Nozaki, M.

AU - Orito, S.

AU - Ormes, J. F.

AU - Saeki, T.

AU - Sanuki, T.

AU - Sasaki, M.

AU - Seo, E. S.

AU - Sonoda, T.

AU - Streitmatter, R.

AU - Suzuki, J.

AU - Tanaka, K.

AU - Tanizaki, K.

AU - Ueda, I.

AU - Wang, J. Z.

AU - Yajima, Y.

AU - Yamagami, Y.

AU - Yamamoto, A.

AU - Yamamoto, Y.

AU - Yamato, K.

AU - Yoshida, T.

AU - Yoshimura, K.

PY - 2002/2/4

Y1 - 2002/2/4

N2 - Cosmic-ray low-energy antiproton and proton spectra were measured in a transient period of solar field reversal. Expansion of solar wind is the cause of the solar modulation of cosmic rays. The results showed an increase of the antiprotons/protons flux ratio following the solar magnetic field reversal and it generally agrees with a drift model of the solar modulation.

AB - Cosmic-ray low-energy antiproton and proton spectra were measured in a transient period of solar field reversal. Expansion of solar wind is the cause of the solar modulation of cosmic rays. The results showed an increase of the antiprotons/protons flux ratio following the solar magnetic field reversal and it generally agrees with a drift model of the solar modulation.

UR - http://www.scopus.com/inward/record.url?scp=4243904748&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=4243904748&partnerID=8YFLogxK

M3 - Article

AN - SCOPUS:4243904748

VL - 88

SP - 511011

EP - 511014

JO - Physical Review Letters

JF - Physical Review Letters

SN - 0031-9007

IS - 5

ER -