Search for spontaneous transition of nuclei to a superdense state R. Bernabei, P. Belli, F. Cappella, F. Montecchia, F. Nozzoli, A. d’Angelo, A. Incicchitti, D. Prosperi, R. Cerulli, C. J. Dai et al. (3 more) Eur. Phys. J. A, 23 1 (2005) 7-10 Published online: 18 November 2004 DOI: 10.1140/epja/i2004-10072-2