DETERMINATION OF PROTON BEAM POLARIZATION AT HIGH ENERGIES BY MEASUREMENTS AFTER DECELERATION J. Bystricky, F. Lehar, A. de Lesquen, A. Penzo, L. Van Rossum, J.M. Fontaine, F. Perrot, G. Leleux and A. Nakach J. Phys. Colloques, 46 C2 (1985) C2-647-C2-654 DOI: 10.1051/jphyscol:1985280