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SUMMARY:Quadrupole-octupole deformations and high-K isomeric states in hea
 vy nuclei
DTSTART;VALUE=DATE-TIME:20120516T123000Z
DTEND;VALUE=DATE-TIME:20120516T133000Z
DTSTAMP;VALUE=DATE-TIME:20130519T102735Z
UID:indico-event-186626@cern.ch
DESCRIPTION:The manifestation of complex quadrupole-octupole shapes in ato
 mic nuclei leads to variety of specific phenomena and effects in their col
 lective and single particle (s.p.) motions\, such as the appearance of alt
 ernating-parity bands in even-even nuclei as well as quasi parity-doublet 
 sequences and mixed-parity s.p. states in odd-mass nuclei. After a brief o
 verview of these phenomena and their description within a recently develop
 ed model formalism [1]-[3]\, the influence of the quadrupole-octupole defo
 rmations on the formation and the magnetic properties of high-K isomeric s
 tates in even-even nuclei will be discussed. Results of a recent study [4]
  of two-quasiparticle (2qp) isomeric states within a reflection-asymmetric
  deformed shell model with pairing correlations will be presented. Within 
 this framework the behaviour of 2qp energies and magnetic dipole moments i
 s examined over a wide range in the plane of quadrupole and octupole defor
 mations [4]. The effect of the octupole deformation on the s.p. orbitals w
 hich form the isomeric state as well as on the respective 2qp energy will 
 be demonstrated. It will be shown that in most of the considered nuclei th
 e magnetic moments of the two-quasiparticle isomeric states exhibit a pron
 ounced sensitivity to the octupole deformation. This result may suggest th
 e need of detailed experimental measurements of magnetic moments in heavy 
 deformed nuclei.\n[1] N. Minkov\, P. Yotov\, S. Drenska and W. Scheid\, J.
  Phys. G 32\, 497 (2006).\n[2] N. Minkov et al\, Phys. Rev. C\, 73\, 04431
 5 (2006)\; Phys. Rev. C\, 76\, 034324 (2007)\; Phys. Rev. C 85\, 034306 (2
 012).\n[3] N. Minkov\, S. Drenska\, M. Strecker and W. Scheid\, J. Phys. G
  36\, 025108 (2009)\; J. Phys. G 37\, 025103 (2010).\n[4] P. M. Walker and
  N. Minkov\, Phys. Lett. B 694\, 119122 (2010).\n\nhttp://indico.cern.ch/c
 onferenceDisplay.py?confId=186626
LOCATION: 26-1-022
URL:http://indico.cern.ch/conferenceDisplay.py?confId=186626
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