Local versus nonlocal $\alpha\alpha$ interactions in $3\alpha$ description of $^{12}$C

Y. Suzuki; H. Matsumura; M. Orabi; Y. Fujiwara; P. Descouvemont; M. Theeten; D. Baye

doi:10.1016/j.physletb.2007.10.033

Local versus nonlocal $\alpha\alpha$ interactions in $3\alpha$ description of $^{12}$C

Nuclear Theory 2008-11-26 v1

Authors: Y. Suzuki , H. Matsumura , M. Orabi , Y. Fujiwara , P. Descouvemont , M. Theeten , D. Baye

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Abstract

Local $\alpha \alpha$ potentials fail to describe $^{12}$ C as a $3\alpha$ system. Nonlocal $\alpha \alpha$ potentials that renormalize the energy-dependent kernel of the resonating group method allow interpreting simultaneously the ground state and $0^+_2$ resonance of $^{12}$ C as $3\alpha$ states. A comparison with fully microscopic calculations provides a measure of the importance of three-cluster exchanges in those states.

Keywords

alpha alpha interaction three-alpha system carbon-12 nonlocal potential resonating group method microscopic calculation cluster exchange

Cite

@article{arxiv.nucl-th/0703001,
  title  = {Local versus nonlocal $\alpha\alpha$ interactions in $3\alpha$ description of $^{12}$C},
  author = {Y. Suzuki and H. Matsumura and M. Orabi and Y. Fujiwara and P. Descouvemont and M. Theeten and D. Baye},
  journal= {arXiv preprint arXiv:nucl-th/0703001},
  year   = {2008}
}

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Local versus nonlocal $\alpha\alpha$ interactions in $3\alpha$ description of $^{12}$C

Abstract

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