Simple observables sensitive to the transition from sequential decay to simultaneous break-up of nuclear systems
Nuovo Cimento Della Societa Italiana Di Fisica A-nuclei Particles and Fields(2007)
摘要
Summary The relative velocities and relative angles between massive fragments emitted in heavy-ion nuclear reactions have been studied
as a tool to discriminate between two extreme break-up mechanisms in the intermediate energy regime. Considering a chain of
sequential decays and a simultaneous break-up of an excited nuclear system, we show that the behaviour of the event distribution
in the space of relative velocities and angles depends on the fragmentation mechanism, indicating the possibility of observing
the transition from the binary-decay mechanism to the simultaneous cracking of nuclear systems.
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关键词
nuclear reactions
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