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SUMMARY:Search for Low Spin Collective Structures in 158Er and 159Er
DTSTART;VALUE=DATE-TIME:20110714T091500Z
DTEND;VALUE=DATE-TIME:20110714T093000Z
DTSTAMP;VALUE=DATE-TIME:20260811T173843Z
UID:indico-contribution-4932@events.saip.org.za
DESCRIPTION:Speakers: Tshepo Dinoko (University of the Western Cape)\nThe 
 nuclei 158\,15968Er are classic examples of many phenomena in the study of
  nuclei at high spin. However\, although the multi-quasi particle structur
 es of 158\,15968Er are well established\, there is not much spectroscopic 
 information on the vibrational structures in 158Er or how these couple to 
 the odd neutron in 159Er. Additionally\, there are several bands where the
  spins and/or parities are not firmly assigned. The relative lack of infor
 mation at low spins is probably due to a combination of  the low spins of 
 the ground states of the nuclei 158\,15969Tm that β+/ec decay to 158\,159
 68Er\, 2- and 5/2+ respectively.\n\nTwo experiments were performed in the 
 AFRODITE spectrometer to populate 158Er and 159Er using 1mg/cm2  150Sm(12C
 \,4n) and 150Sm(13C\,4n) reactions respectively at 65MeV\, The intention i
 s to study their yrare states below spin 20ħ. Preliminary results will be
  presented.\n\nA Coulomb excitation of 155Gd with 86Kr ions experiment is 
 scheduled for early May at iThemba LABS. The Physics interest is in lookin
 g for collective core excitations of 154Gd that are coupled to the ground 
 state neutron in 155Gd. The outcome of this experiment will be presented a
 s well.\n\nhttps://events.saip.org.za/event/7/contributions/4932/
LOCATION: Acro8
URL:https://events.saip.org.za/event/7/contributions/4932/
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