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SUMMARY:Nuclear structure via Coulomb excitation
DTSTART;VALUE=DATE-TIME:20231129T083000Z
DTEND;VALUE=DATE-TIME:20231129T085500Z
DTSTAMP;VALUE=DATE-TIME:20260308T212940Z
UID:indico-contribution-3348@indico.tlabs.ac.za
DESCRIPTION:Speakers: Akaa Daniel Ayangeakaa (University of North Carolina
  at Chapel Hill)\nCoulomb excitation is a well-established and powerful ex
 perimental technique for probing the structure and dynamics of nuclei in a
  model-independent way. The technique is especially sensitive to the quadr
 upole shape degrees of freedom as it selectively excites low-lying collect
 ive states with cross sections that directly measure the E2 matrix element
 s involved in the excitation. In particular\, the technique allows the det
 ermination of transitional and diagonal E2 matrix elements between low-lyi
 ng states\, the most direct and unambiguous measure of the collective shap
 e parameters. In addition\, the technique provides unique and model-indepe
 ndent information on the relative signs of the diagonal E2 matrix elements
 \, thus allowing a link between reduced transition probabilities and spect
 roscopic quadrupole moments and the β\,γ  shape parameters of the Bohr H
 amiltonian. In this presentation\, I will explain the principles and appli
 cations of Coulomb excitation as a tool for exploring quadrupole collectiv
 ity in nuclei. I will also briefly review the theoretical framework of Cou
 lomb excitation\, describe experimental setups and methods\, and present r
 ecent studies that illustrate its contribution to our understanding of sha
 pe dynamics in neutron-rich nuclei.\n\nhttps://indico.tlabs.ac.za/event/11
 9/contributions/3348/
LOCATION:
URL:https://indico.tlabs.ac.za/event/119/contributions/3348/
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