Microscopic Study of the triple-$α$ Reaction

Details Microscopic Study of the triple-$α$ Reaction Microscopic Study of the triple-$α$ Reaction

2010-03-24

arxiv.org/abs/1003.4711v1

Physical Review Letters 104, 212503 (2010)

Physics

Nuclear Physics

Nuclear Theory

4 pages, 5 figures

Scientific paper

10.1103/PhysRevLett.104.212503

We present a microscopic dynamical study of the reactions involving three $^{4}$He clusters. We show that the much discussed triple-$\alpha$ linear chain configuration of $^{12}$C is formed with a certain lifetime and subsequently decays into a triangular configuration of $^{12}$C and then to a configuration near the ground state. Time-dependent Hartree-Fock (TDHF) theory coupled with a density constraint is used to study the properties of these configurations. We find a sequence of dynamical transitions analogous to the suggested astrophysical mechanism for the formation of $^{12}$C nuclei.

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