Laboratory investigations on the origins of cosmic rays

Y. Kuramitsu, Y. Sakawa, T. Morita, T. Ide, K. Nishio, H. Tanji, H. Aoki, S. Dono, C. D. Gregory, J. N. Waugh, N. Woolsey, A. Dizière, A. Pelka, A. Ravasio, B. Loupias, M. Koenig, S. A. Pikuz, Y. T. Li, Y. Zhang, X. LiuJ. Y. Zhong, J. Zhang, G. Gregori, N. Nakanii, K. Kondo, Y. Mori, E. Miura, R. Kodama, Y. Kitagawa, K. Mima, K. A. Tanaka, H. Azechi, T. Moritaka, Y. Matsumoto, T. Sano, A. Mizuta, N. Ohnishi, M. Hoshino, H. Takabe

Research output: Contribution to journalArticlepeer-review

14 Citations (Scopus)

Abstract

We report our recent efforts on the experimental investigations related to the origins of cosmic rays. The origins of cosmic rays are long standing open issues in astrophysics. The galactic and extragalactic cosmic rays are considered to be accelerated in non-relativistic and relativistic collisionless shocks in the universe, respectively. However, the acceleration and transport processes of the cosmic rays are not well understood, and how the collisionless shocks are created is still under investigation. Recent high-power and high-intensity laser technologies allow us to simulate astrophysical phenomena in laboratories. We present our experimental results of collisionless shock formations in laser-produced plasmas.

Original languageEnglish
Article number124049
JournalPlasma Physics and Controlled Fusion
Volume54
Issue number12
DOIs
Publication statusPublished - 2012 Dec

ASJC Scopus subject areas

  • Nuclear Energy and Engineering
  • Condensed Matter Physics

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