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SUMMARY:Beyond mean-field description of exotic structure and decay of pr
 oton-rich nuclei in A near 70 region
DTSTART;VALUE=DATE-TIME:20110223T112000Z
DTEND;VALUE=DATE-TIME:20110223T120000Z
DTSTAMP;VALUE=DATE-TIME:20261011T061735Z
UID:indico-contribution-6148@indico.ific.uv.es
DESCRIPTION:Speakers: Alexandra Petrovici (National Institute for Physics 
 and Nuclear Engineering)\nThe interest for the investigation of the proton
 -rich medium mass nuclei exceeds the frontier of nuclear\nstructure and dy
 namics. Apart from displaying some rather interesting nuclear structure ef
 fects\, the\nsuperallowed 0+ → 0+ Fermi β decay of these nuclei is a va
 luable tool in probing many properties of the\nweak interaction. Nuclei at
  or near the N=Z line are of particular interest as micro-laboratory for h
 igh\nprecision tests of the Standard Model. The isospin symmetry breaking 
 is also responsible for the mirror\nenergy differences induced by electrom
 agnetic and charge-dependent strong interactions. Anomalies have\nbeen exp
 erimentally identified in the excitation energy of the analog states in t
 he A≃70 mass region.\nThe properties of these nuclei are important for t
 he rp process and the understanding of the nucleosyn-\nthesis. The simulat
 ion of many astrophysical objects requires the knowledge of properties and
  decay rates\nof nuclei near the proton drip line. Relevant for the Gamow-
 Teller (GT) beta decay of the waiting point\nnuclei could be the GT streng
 th distributions for the low-lying excited states whose thermal population
 \nmay result in a significant reduction of the effective lifetime at the 
 high temperatures of X-ray bursts.\nShape coexistence and mixing\, isospin
  mixing\, significant neutron-proton pairing correlations competing\nwith
  the like-nucleon ones\, and competition between proton and neutron alignm
 ent have been identified\nas the main characteristic features of nuclei n
 ear the N=Z line in the A≃70 mass region. The self-\nconsistent treatmen
 t of exotic phenomena dominated by their interplay represents a challenge 
 for the\nnuclear many-body models. Presently\, the realistic description o
 f tiny effects in this mass region aiming\nto testing the fundamental inte
 ractions and symmetries as well as the required theoretical predictions\nc
 oncerning the nuclear properties relevant for astrophysical scenarios are 
 still open problems. We shall\npresent a self-consistent description of co
 existence phenomena in the A≃70 region within the beyond\nmean-field co
 mplex Excited Vampir variational approach using realistic effective intera
 ctions in large\nmodel spaces and the mentioned problems will be illustrat
 ed.\n\nhttps://indico.ific.uv.es/event/349/contributions/6148/
LOCATION:Colegio Rector Peset
URL:https://indico.ific.uv.es/event/349/contributions/6148/
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