The emission of fragments is one of the main characteristic features of high energy nuclear reaction. Studies on the fragmentation process play an important role in the understanding about the structure of nucleus and...The emission of fragments is one of the main characteristic features of high energy nuclear reaction. Studies on the fragmentation process play an important role in the understanding about the structure of nucleus and the mechanism of high energy nuclear reaction. Extensive investigations of the production characteristics of Li^8 fragments have been made, but studies of heavy fragments with higher charges are rather rare. Concerning the Be^8 fragments, although Crussard and Perkins made observations on Be^8 fragments produced in cosmic ray stars in earlier years, and Pretis, Deka, and Baumann made further studies on Be^8 fragments produced in the interaction of 4.5 Gev/c π^- and 25 Gev protons with展开更多
文摘The emission of fragments is one of the main characteristic features of high energy nuclear reaction. Studies on the fragmentation process play an important role in the understanding about the structure of nucleus and the mechanism of high energy nuclear reaction. Extensive investigations of the production characteristics of Li^8 fragments have been made, but studies of heavy fragments with higher charges are rather rare. Concerning the Be^8 fragments, although Crussard and Perkins made observations on Be^8 fragments produced in cosmic ray stars in earlier years, and Pretis, Deka, and Baumann made further studies on Be^8 fragments produced in the interaction of 4.5 Gev/c π^- and 25 Gev protons with
