NUCLEAR SPIN POLARIZATION OF BETA-RADIOACTIVE NUCLEI CREATED BY MEANS OF TILTED FOIL TECHNIQUE Y. NOJIRI, S. MOMOTA, A. OZAWA, A. KITAGAWA, M. FUKUDA, K. MATSUTA and T. MINAMISONO J. Phys. Colloques, 51 C6 (1990) C6-549-C6-552 DOI: 10.1051/jphyscol:1990670