STRONG ISOMER PRODUCTION IN FRAGMENTATION REACTIONS
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abstract
The population of the 0 + 0.228 MeV isomer of 26 Al has been measured in projectile fragmentation reactions at E/A = 65, 80, and 100 MeV. For beams of 27 Al and 28 Si, the yield of the isomer was found to be approximately equal to that of the ground state, whereas for 40 Ar beams it was much weaker. The significance and utility of the surprisingly high isomer yields is discussed. 1993.