Abstract
Diffraction dissociation process of 6Li at incident momentum 4.5 AGeV/c and 7Li at incident momentum 3 AGeV/c, provided by the JINR Synchrophastron, were studied using the photographic emulsion technique. The two stable isotopes of 6Li and 7Li were treated as two weakly-bound systems composed of (4He+d) and (4He+t) cluster configurations, respectively. Along the track double scanning method was carried out in order to search for 6,7Li interactions in emulsion( Em). For 6Li-Em and 7Li-Em about 1050 and 1015 events were recorded with mean free path 14.5±0.5 cm and 15.1±0.6 cm respectively. The measured angular distributions of the outgoing fragments were compared with that calculated theoretically and good agreement between the experimental and theoretical values is obtained. This agreement supported the presence of 6,7Li nuclei in a cluster mode at high energy reactions.
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