985A study of :',lNe hypernucleus is carried out within the framework of a+ 16 0+A cluster model dynamics. The positive and negative parity states are analyzed in detail by calculating energy spectra, r. m. s. radii, B(E2) values and reduced widths to the 2°Ne+A, a+~70 and ~He+160 channels. The obtained states constitute various kinds of rotational bands. Emphasis of discussion is put on the structure characteristics of these rotational bands and on the glue·like effects generated by a A particle coupled with the nuclear core.coupling type energy spectra. The'Iatter feature is characteristic of the prolate deformation of the nucleus (A + B). If the deformation is oblate, the situation changes to a certain extent. Among these states we find some "genuinely hypernuclear states" which can never be realized in ordinary nuclei because of the Pauli exclusion principle. 8 ),9),12)-14) How such coupling feature will be beyond the P-shell hypernuc1eus is an interesting problem. 12 )In this paper we intend to study ~1Ne as a typical (sd)-shell hypernucleus. The 2°Ne nucleus has been extensively investigated in terms of the cluster model. For the later discussion, the observed energy levels of 2°N e are classified into six rotational bands shown in the left side of Fig. 1 according to the literatures. 16 )-18) The simplest di-cluster a+ 16 0 model successfully describes the ground K"=O+ band, the fourth K"=O+ band (the by guest on March 30, 2015 http://ptp.oxfordjournals.org/ Downloaded from
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