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SUMMARY:Coulomb-excitation studies @ iThemba LABS
DTSTART;VALUE=DATE-TIME:20190320T120000Z
DTEND;VALUE=DATE-TIME:20190320T123000Z
DTSTAMP;VALUE=DATE-TIME:20260807T182144Z
UID:indico-contribution-1330@indico.tlabs.ac.za
DESCRIPTION:Speakers: Nico Orce (University of the Western Cape)\nA new pi
 peline for Coulomb-excitation studies has been developed at iThemba LABS w
 ith the first particle-gamma coincidence measurements carried out during a
  two-month  campaign in April-May 2016 using an XIA-based digital DAQ. We 
 used the reorientation effect to determine the spectroscopic quadrupole mo
 ment of the first high-lying excitation in  Tz=0 self-conjugate nuclei (20
 Ne\, 32S\, 36Ar) - typically associated with clustering formation - and 40
 Ar. These measurements present higher accuracy than previous work and\, su
 rprisingly\, for 20Ne\, 36Ar and 40Ar they represent the first measurement
 s done at safe bombarding energies\, well below the Coulomb barrier\, onto
  a heavy target. Our new results show a zig-zag pattern of nuclear shapes 
 at the end of the sd shell and will be compared with state-of-the-art mean
 -field calculations. Five MSc degrees have been awarded from these data se
 ts.\n\nhttps://indico.tlabs.ac.za/event/82/contributions/1330/
LOCATION:J Block Auditorium
URL:https://indico.tlabs.ac.za/event/82/contributions/1330/
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