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Nuclear Seminars 2015 Spring


  Title: Beta decay of deformed nuclei with the
proton-neutron finite amplitude method
  Speaker: Thomas Shafer
  Institute: University of North Carolina
  Date: Monday, March 2, 2015
  Time: 4:00 - 5:00 pm EST
  Place: Nieuwland Science Hall, Room 124

  Abstract:

In the last few years the finite amplitude method (FAM) has emerged as an efficient technique to calculate nuclear transitions. While formally equivalent to the quasiparticle random-phase approximation (QRPA), the FAM removes the need to construct and diagonalize the large Hamiltonian matrix usually required in the QRPA. As a result, calculations performed with the FAM are significantly faster than their QRPA counterparts, reducing computational burden and enabling larger-scale studies.
At UNC we have recently extended the FAM to calculate beta-decay rates and other charge-changing observables of axially-deformed even-even nuclei. In this talk I will review mean-field theory and the QRPA before discussing the finite amplitude method and its application to beta-decay rates important for r-process nucleosynthesis.


Topic

Date

Speaker

Investigation of transitional rare earth
nuclei using light ion reactions: Nuclear Structure and Surrogates
January 19 Prof. Cornelius Beausang
University of Richmond
Stellar Neutron Sources
and s-Process in Massive Stars
January 26 Rashi Talwar
University of Notre Dame
Low energy nuclear physics research at LLNL February 3 Tuesday Dr. Jason Burke
Lawrence Livermore National Lab
Measurement of the plasma astrophysical
S factor for the 3He(d, p)4He reaction in exploding molecular clusters
February 9 Dr. Marina Barbui
Texas A&M University
Inelastic Neutron Scattering Studies Relevant to Neutrinoless Double-Beta Decay February 16 Dr. Benjamin Crider
NSCL/MSU
Study of fission dynamics and nuclear viscosity using particle emission as a probe February 23 Dr. Yogesh Gupta
University of Notre Dame
Proton-capture reactions in thermonuclear supernovae and the p process February 26 Thursday 2pm Dr. Kerstin Sonnabend
Goethe University Frankfurt, Germany
Beta decay of deformed nuclei with the
proton-neutron finite amplitude method
March 2 Thomas Shafer
University of North Carolina
Spring Break March 9
TBA March 16 Prof. Justin Frantz
Ohio University
TBA March 30 Prof. Jaideep Singh
NSCL/MSU
Easter Break April 6
TBA April 13 Dr. Ania Kwiatkowski
TRIUMF
TBA April 20 Prof. Anatoli Afanasjev
Mississippi State University
The photonuclear cross section of Boron-10 from the No Core Shell Model April 27 Dr. Michael Kruse
Lawrence Livermore National Lab
TBA May 4 Prof. Sandrine Courtin
University of Strasbourg, France


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