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SUMMARY:Aligned neutron-proton pairs in N=Z nuclei
DTSTART;VALUE=DATE-TIME:20110223T104000Z
DTEND;VALUE=DATE-TIME:20110223T112000Z
DTSTAMP;VALUE=DATE-TIME:20260306T120421Z
UID:indico-contribution-6147@indico.ific.uv.es
DESCRIPTION:Speakers: Piet Van Isacker (GANIL)\nIt is shown that the align
 ed neutron-proton pair with angular momentum J=9 and isospin T=0 plays a c
 entral role in the low-energy spectroscopy of the N~Z nuclei approaching 1
 00Sn. This observation is made in the context of the spherical shell model
  on the basis of several realistic two-nucleon interactions. Shell-model r
 esults are analyzed in terms of a variety of two-nucleon pairs correspondi
 ng to different choices of their coupled angular momentum J and isospin T.
  The analysis is performed exactly for four holes (96Cd) and carried furth
 er for six and eight holes (94Ag and 92Pd) by means of a mapping to an app
 ropriate version of the interacting boson model.\nOn the basis of these re
 sults one concludes that a realistic model can be formulated in terms of s
  (with J=0) and b (i.e.\, aligned J=9) bosons. Due to its simplicity\, suc
 h a model could be of use to elucidate the main structural features of N~Z
  nuclei in this mass region. Examples of simple predictions of such a mode
 l will be given.\n\nhttps://indico.ific.uv.es/event/349/contributions/6147
 /
LOCATION:Colegio Rector Peset
URL:https://indico.ific.uv.es/event/349/contributions/6147/
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