• [1]

    . Kim K J. Phys. Rev. Lett., 1996, 76: 1244-2472. LI Yu-Hui, JIA Qi-Ka. ACTA PHYS SIN-CH ED, 2005,54: 3584-589(in Chinese)(李焊辉，贾启片.物理学报，2005, 54: 3584-3589)3. Wiedemann H. Particle Accelerator Physics, Berlin: Hei-delberg, Springer, 1993. 325