THE FIRST ACCELERATION TEST OF POLARIZED PROTONS IN KEK PS BOOSTER S. Hiramatsu, H. Sato, T. Toyama, D. Arakawa, A. Ando, Y. Mori, A. Takagi, Z. Igarashi, K. Ikegami, H. Sakamoto and K. Imai J. Phys. Colloques, 46 C2 (1985) C2-529-C2-534 DOI: 10.1051/jphyscol:1985267