Linear chain structure of four-α clusters in 16O
Abstract
We investigate the linear-chain configurations of four-α clusters in 16O using a Skyrme cranked Hartree-Fock method and discuss the relationship between the stability of such states and angular momentum. We show the existence of a region of angular momentum (13-18 ) where the linear chain configuration is stabilized. For the first time we demonstrate that stable exotic states with a large moment of inertia (2/2 0.06-0.08 MeV) can exist.
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