Deduction of the quantum numbers of low-lying states of 4-nucleon systems based on symmetry
Abstract
The inherent nodal structures of the wavefunctions of 4-nucleon systems have been investigated. The quantum numbers of the excited states (resonances) have been deduced. It was found that all the T=0 even-parity resonances are dominated by 2,1,1 component with L=1, all the T=0 odd-parity resonances are dominated by 3,1 component with L=1, and all the T=1 odd-parity resonances are also dominated by 3,1 component with L=1. The understanding of the inherent nodal structure is found to be crucial to a systematic understanding of the spectrum.
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