2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/45325The claims for production of high energy densities and possible new states of matter in collisions of nuclei by George F. Bertsch (Science, {\bf 265} (1994) 480-481) are examined and compared with simple explanations of the data which have appeared in the literature.4 pages, UPR-637THigh Energy Physics - Phenomenologytext