Supersonic Gas Jet Target for Generation of Relativistic Electrons with 12TW-50fs Laser Pulse       981
  T. Hosokai, K. Kinoshita, T. Ueda, M. Uesaka, T. Watanabe, K. Yoshii, A. Zhidokov, NERL, Ibaraki; M. Kando, H. Kotaki, JAERI Kansai, Kyoto; K. Nakajima, KEK, Ibaraki-ken      
  PAPER