Shape coexistence and electric monopole transitions in atomic nuclei
2327 October 2017 PROGRAM ESNTProjectShapesandE0_v3oct17.pdf
Organizers: E. Clément (GANIL), W. Korten (CEA Irfu, SPhN
) M. Zielinska (CEA Irfu, SPhN), T. Kibedi (Australian National University, Canberra), J. Wood (Georgia Institute of Technology, Atlanta).
The goals of the project are to:
1. review the available experimental data, both for nuclear ground state and for excited states, in several isotopic chains in which shape coexistence is observed, and identify benchmark cases for theory.
2. review the theoretical predictions for these benchmark cases and discuss possible new experimental approaches.
3. review progress in the detection of E0 decays (including longlived isomeric states) and the theoretical progress to calculate E0 transition rates; explore the link between the lowenergy electric monopole mode, nuclear cluster structure and the Giant Monopole Resonance.
4. identify any significant missing contributions both from the experimental and theoretical point of view.
Exposés TALKS Invited speakers
 M. Bender, IPN Lyon, "Beyondmeanfield models for the description of shape coexistence "
 E. Clément, GANIL, "Shape coexistence in the SrZr mass region around A~100"
 T. Cocolios, IKS, KU Leuven, Belgium, "Nuclear charge radii and shape coexistence"
 S. Courtin, IPHC Strasbourg, "Electromagnetic transitions as a probe of cluster states in nuclei"
 J. P. Ebran, CEA DIF/DAM, "Nuclear clustering in the EnergyDensityFunctional approach"
 A. Garnsworthy, Triumf, Vancouver, Canada, "Decay and inbeam Conversion Electron spectroscopy at TRIUMF"
 P. Garrett, Univ. of Guelph, Canada, "Collective excitations and shape coexistence in Cd/Sn isotopes"
 L. Gaudefroy, CEA DAM/DIF, "Shape evolution and coexistence at N=28"
 A. Görgen, Univ. Oslo, Norway, "Shape coexistence in N~Z nuclei around A~70"
 T. Kibedi, ANU, Canberra, Australia, "Introduction to E0 excitation/decay mode"
 S. N. Liddick, Michigan State University, USA, "Shape coexistence in the N~40 region around ^{68}Ni"
 T. Niksic, Univ. of Zagreb, Croatia, "Coexistence of nuclear shapes: meanfield and beyond"
 T. Otsuka, University of Tokyo, Japan, "Shape coexistence and quantum phase transition in the MonteCarlo Shell Model"
 J. Pakarinen, Univ. of Jyväskylä, Finland, "Conversionelectron spectroscopy at JYFL and ISOLDE"
 S. Péru, CEA DAM/DIF, "Transition Probabilities in the QRPA approximation"
 A. Poves, Univ. Autonoma de Madrid, Spain, "Nuclear Shapes: A monopole guided tour into the quadrupole realm”
 R. Raabe, IKS, KU Leuven, Belgium, "Experimental status of the N=20 region around ^{32}Mg"
 T. R. Rodrìguez, Universidad Autónoma de Madrid, Spain, "Collective and SingleParticle Motion in Beyond Mean Field Approaches"
 D. Rowe, Univ. Toronto, Canada, "An algebraic meanfield theory of shape coexistence in nuclei"
 H. Scheit, TU Darmstadt, Germany, "Nuclear twophoton decay of 0+ states"
 P. Van Duppen, IKS, KU Leuven, Belgium, "Shape coexistence in the vicinity of Z= 82"
 P. Van Isacker, GANIL, "Correlations between charge radii, E0 transitions and summed M1 strength"
 M. Venhart, Slovak Academy of Sciences, Slovakia, "TATRA decay station at ISOLDE and shape coexistence in oddmass Au nuclei"
 D. Verney, IPN Orsay, "Shape coexistence around ^{78}Ni"
 J. Wood, Georgia Institute of Technology, Atlanta, USA, "Introduction to experimental shape coexistence studies"
 M. Zielinska, CEA IRFU/SPhN, Saclay, "Shape coexistence at Z=20".
WORKSHOP PROGRAM (last update, 17^{th} October)
Monday 23^{th} 
Tuesday 24

Wednesday 25^{ }  Thursday 26  Friday 27^{th}  
9h00 
Welcome 
Rowe (45') 
Ebran (45’) 
Kibedi (45’) 
Rodriguez (45') 
10h00

Wood (45') 
Poves (45')  Niksic (45’)  Garnsworthy(45’)  discussion 
11h00  11h Coffee Break 
11h Coffee Break 
Coffee Break 

11h30  Verney (30')  Liddick (30')  Courtin(30') 
Pakarinen (30’) 
Raabe (30') 
12h00  Discussion  Discussion  Discussion  Discussion  Discussion 
12h45  Lunch break  Lunch  Lunch  Lunch  Lunch 
14h00 
Van Isacker (45') 
Otsuka (45’) 
Bender (45’) 

Scheit (45’) 
Breakout groups


15h00 
Van Duppen (30’) 
Gorgen (30’) 
Gaudefroy (30’) 
Cocolios (30’)  
15h30 
Discussion 
Discussion 
Discussion 
Discussion 

16h15  break  break 
break 
break  
16h45 
Venhart (30’) 
Clément (30’) 
Zielinska (30’) 
Garrett (30’) 

17h15  Discussion  Discussion  Discussion  Discussion  
18h00  End  End  End 
End 
During the discussion short contributions (few slides) will be possible.
Friday afternoon is kept free for followup discussions in smaller groups.
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