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Quarteting in nuclei

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  • UserJózsef Cseh, Hungarian Academy of Science
  • ClockFriday 18 December 2015, 14:00-15:30
  • HousePhysics West 106.

If you have a question about this talk, please contact Tzany Kokalova Wheldon.

Following a brief review of the models which describe the quartet excitations of nuclei we introduce two new algebraic models of the shell-like quarteting [1].

The simpler one is a phenomenological model, which treats the quartets as structureless objects. On the other hand in the semimicroscopical model the constituent nucleons are treated explicitely. The excitation spectrum is generated by the SU(3) formalism in both cases. Applications to the 20Ne and 28Si nuclei are presented. The connection between the quartet excitations and cluster spectra via the multichannel dynamical symmetry [2] is discussed. This relation enables us to predict, in favourable cases, the complete high-energy cluster spectrum from the descritption of the low-energy quartet states [3].

[1.] Cseh J 2015 Phys. Lett. B 743 , 213. [2.] Cseh J 1994 Phys. Rev. C 50 , 2240; Cseh J, Kato K 2013 Phys. Rev. C 87 , 067301.

This talk is part of the Nuclear physics seminars series.

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