Shapes and Symmetries in Nuclei: from Experiment to Theory (SSNET'17 Conference)

Costel Petrache (CSNSM, Université Paris Sud and CNRS/IN2P3), Jerzy Dudek (IPHC and Universite de Strasbourg)

The SSNET 2017 Conference, hosted by the Centre de Sciences Nucléaires et Sciences de la Matière (CSNSM) in Orsay, was held at the I2BC auditorium on the CNRS campus in Gif-sur-Yvette, France, from November 6th to the 10th, 2017.   

As in the previous -and successful!- edition, the conference aimed at strengthening the international collaboration between the nuclear structure physicists from France, Europe and other laboratories all around the world. It allowed fruitful discussions on recent experimental and theoretical aspects of nuclear structure related to the manifestation and description of the various shapes and geometrical symmetries of the nucleus as well as other symmetries and symmetry breaking.



Organizing committee: Alain Astier, Isabelle Deloncle, Etienne Dupont, Amel Korichi, Radomira Lozeva, BingFeng Lv, Costel Petrache (chair), Jerzy Dudek (co-chair)


Conference secretary: Émilie Bonnardel



Booklet of Abstracts
Conference poster
Map access CNRS Campus Gif
  • Adam Maj
  • Ainouna Bouziane
  • Alain Astier
  • Alexandrina Petrovici
  • Amel Korichi
  • Amin Attarzadeh
  • Amiram Leviatan
  • Andrea Jungclaus
  • Andrej Herzáň
  • Anwesha Basu
  • Ashok Kumar Jain
  • Baki Akkus
  • Bingfeng Lv
  • Bo Cederwall
  • Carlo Barbieri
  • Corina Andreoiu
  • Costel Petrache
  • David Regnier
  • Dean Lee
  • Dirk Weisshaar
  • Dorin N. Poenaru
  • Eckart Grosse
  • Eiji Ideguchi
  • Elena Lawrie
  • Ernest Grodner
  • Etienne Dupont
  • Ferruccio Renzoni
  • Gaute Hagen
  • Genis Musulmanbekov
  • Gianluca Colò
  • Gilbert Duchene
  • Guillaume Scamps
  • Guy Royer
  • Heather Crawford
  • Heiko Hergert
  • Houda Naïdja
  • Ionut Zaharov
  • Irene Dedes
  • Isabelle Deloncle
  • James Cubiss
  • Jan Kvasil
  • Jerzy Dudek
  • John Sharpey-Schafer
  • John Wood
  • José Enrique García-Ramos
  • Krzysztof Pomorski
  • Krzysztof Starosta
  • Kseniia Rezynkina
  • Kwame Appiah
  • Lindsay Michelle Donaldson
  • Lukasz Iskra
  • Mansi Saxena
  • Marcella Grasso
  • Maria Kmiecik
  • Mark Riley
  • Maryam Afra
  • Mitch Allmond
  • Modesto Montoya
  • Na Fei
  • Nadjet Laouet
  • Natalia Cieplicka-Orynczak
  • Nikolay Minkov
  • Patrick Regan
  • Paul Garrett
  • Paul Greenlees
  • Peter Reiter
  • Peter Schuck
  • Peter Thirolf
  • Petr Navratil
  • Petr Vesely
  • Philip Walker
  • Philippe Quentin
  • Pieter Doornenbal
  • Piotr Bednarczyk
  • R.Burcu Cakirli
  • Radomira Lozeva
  • Richard Casten
  • Robert Roth
  • Stefan Frauendorf
  • Steven Yates
  • Takaharu Otsuka
  • Thomas Papenbrock
  • Timo Dickel
  • Tomas Dytrych
  • Tuomas Grahn
  • Vladimir Nedorezov
  • Waldemar Urban
  • Wouter Ryssens
  • Yesim Oktem
  • Yuichiro Nagame
  • Yung Hee Kim
  • Yutaka Utsuno
  • Zeinab Ranjbar
  • Zhengyu Xu
  • Zhiwei Zuo
  • Émilie Bonnardel
    • 08:30 09:00
    • 09:00 09:25
      Coffee break 25m
    • 09:25 09:55
      Opening session
      Président de session: Prof. Costel Petrache (CSNSM Orsay and Université Paris-Saclay)
      • 09:25
        Welcome 7m
        Orateur: Dr Marie-Hélène Papillon (CNRS Gif-sur-Yvette)
      • 09:32
        Welcome 7m
        Orateur: Prof. Etienne Augé (Paris Saclay)
      • 09:39
        Welcome 7m
        Orateur: Dr Jean-Antoine Scarpaci (CSNSM Orsay)
      • 09:46
        Welcome 9m
        Orateur: Prof. Jerzy Dudek (IPHC and Université de Strasbourg)
    • 09:55 11:10
      Experiment 1
      Président de session: Prof. Costel Petrache (CSNSM Orsay and Université Paris-Saclay)
      • 09:55
        Recognizing structure in the Z = 50 region 25m
        Orateur: Prof. Paul Garrett (University of Guelph)
      • 10:20
        Probing Low-Spin Nuclear Structure with Fast Neutrons 25m
        Orateur: Prof. Steven Yates (University of Kentucky)
      • 10:45
        Triaxiality in Neutron-Rich Mo-Ru Isotopes from Coulomb Excitation 25m
        Orateur: Dr Mitch Allmond (Oak Ridge National Laboratory)
    • 11:10 12:25
      Experiment 2
      Président de session: Dr Amel Korichi (CSNSM Orsay)
      • 11:10
        “Stiff” Deformed Nuclei and the β and γ Degrees of Freedom 25m
        Orateur: Prof. John Sharpey-Schafer (University of the Western Cape)
      • 11:35
        Systematics of Band Termination at High-Spin in N~90 Nuclei: How Robust and Pure Are These Special States? 25m
        Orateur: Prof. Mark Riley (Florida State University)
      • 12:00
        First ionisation potentials of the heaviest actinides 25m
        Orateur: Prof. Yuichiro Nagame (Japan Atomic Energy Agency)
    • 12:25 14:00
      Lunch 1h 35m
    • 14:00 15:45
      Theory 1
      Président de session: Prof. Costel Petrache (CSNSM Orsay and Université Paris-Saclay)
      • 14:00
        Triaxiality and single particle degrees of freedom 25m
        Orateur: Prof. Stefan Frauendorf (University Notre Dame)
      • 14:25
        Chiral basis for particle rotor coupling model for odd-odd nuclei 25m
        Orateur: Prof. Krzysztof Starosta (Simon Fraser University)
      • 14:50
        Nature of the doublet bands generated in the particle-rotor model 25m
        Orateur: Dr Elena Lawrie (iThemba LABS )
      • 15:15
        Search for the nuclear chirality - a manual for experimenters 15m
        Orateur: Prof. Ernest Grodner (University of Warsaw)
      • 15:30
        Systematic study of Z = 83 nuclei: 193,194,195Bi 15m
        Orateur: Dr Andrej Herzáň (University of Liverpool)
    • 15:45 16:10
      Coffee break 25m
    • 16:10 18:15
      Theory 2
      Président de session: Prof. Jerzy Dudek (IPHC and Université de Strasbourg)
      • 16:10
        A beyond-mean-field description for nuclear excitation spectra 25m
        Orateur: Dr Marcella Grasso (IPN Orsay)
      • 16:35
        Mean Field Description of Exotic Nuclear Systems from Chiral NN and ΛN potentials 20m
        Orateur: Dr Petr Vesely (Nuclear Physics Institute, Czech Academy of Sciences)
      • 16:55
        Restoration of symmetries in time-dependent calculations. Josephson effect in reactions below the barrier 15m
        Orateur: Dr Guillaume Scamps (CCS Tsukuba University)
      • 17:10
        Regularisation Methods to Stabilise Nuclear Inverse Problem via Physics-Based Improvements 15m
        Orateur: Mme Irene Dedes (IPHC Strasbourg)
      • 17:25
        Potential energy surfaces of superheavy nuclei in the 4D Fourier parameter space 25m
        Orateur: Prof. Krzysztof Pomorski (Maria Curie Sklodowska University)
      • 17:50
        Experimental information on axial symmetry breaking in heavy nuclei and microscopic calculations 25m
        Orateur: Prof. Eckart Grosse (TU Dresden)
    • 18:15 20:30
      Welcome cocktail (restaurant CNRS) 2h 15m
    • 09:00 10:40
      Experiment 3
      Président de session: Prof. Mark Riley (Florida State University)
      • 09:00
        Shell-structure evolution around 78Ni 25m
        Orateur: Dr Gilbert Duchêne (IPHC Strasbourg)
      • 09:25
        In-beam spectroscopy of low-lying energy levels at extreme isospin at the RIBF 25m
        Orateur: Dr Pieter Doornenbal (RIKEN)
      • 09:50
        Selected results from in-beam and decay γ-ray spectroscopy in the 132Sn region performed at RIKEN 25m
        Orateur: Dr Andrea Jungclaus (IEM-CSIC)
      • 10:15
        Decay Spectroscopy Experiments with GRIFFIN at ISAC-TRIUMF 25m
        Orateur: Prof. Corina Andreoiu (Simon Fraser University)
    • 10:40 11:05
      Coffee break 25m
    • 11:05 12:35
      Experiment 4
      Président de session: Dr Alain Astier (CSNSM Orsay)
      • 11:05
        New experimental data relevant to the shape change in the A~100 region 25m
        Orateur: Prof. Waldemar Urban (University of Warsaw)
      • 11:30
        Spectroscopy of neutron-rich Y isotopes produced in fission induced by cold neutrons – onset and evolution of deformed structures 15m
        Orateur: Dr Lukasz Iskra (Institute of Nuclear Physics PAN)
      • 11:45
        Angular correlations of gamma rays from 206Tl produced in thermal neutron capture 15m
        Orateur: Dr Natalia Cieplicka-Orynczak (Institute of Nuclear Physics Polish Academy of Sciences)
      • 12:00
        The second gamma-ray spectroscopy campaign with GRETINA at NSCL 20m
        Orateur: Dr Dirk Weisshaar (NSCL/Michigan Sate University)
      • 12:20
        Erosion by neutron emission of coulomb effects on the charge distribution of final fragments from low energy fission of 234U and 236U 15m
        Orateur: Prof. Modesto Montoya Zavaleta (Universidad Nacional de Ingeniería, Lima, Perú)
    • 12:35 14:00
      Lunch 1h 25m
    • 14:00 15:35
      Theory 3
      Président de session: Prof. Philippe Quentin (CENBG Bordeaux)
      • 14:00
        Alpha clustering and condensation in nuclear systems 25m
        Orateur: Prof. Peter Schuck (Institut de Physique Nucleaire)
      • 14:25
        Shapes describing the fusion, fission and fragmentation phenomena and alpha molecules 25m
        Orateur: Prof. Guy Royer (Subatech, Université de Nantes, Ecole des Mines de Nantes )
      • 14:50
        A new approximate symmetry for heavy deformed nuclei – proxy–SU(3) 25m
        Orateur: Prof. Richard F Casten (Yale University and FRIB, Michigan State University)
      • 15:15
        Nuclear shape predictions with proxy-SU(3) 20m
        Orateur: Dr R.Burcu Cakirli (Istanbul University)
    • 15:35 16:00
      Coffee break 25m
    • 16:00 18:35
      Theory 4
      Président de session: Prof. Stefan Frauendorf (University Notre Dame)
      • 16:00
        Shape coexistence and beta decay in proton-rich A~70 nuclei within beyond-mean-field approach 25m
        Orateur: Prof. Alexandrina Petrovici (IFIN-HH)
      • 16:25
        Shell-model study for the A~130 region 25m
        Orateur: Dr Yutaka Utsuno (Japan Atomic Energy Agency)
      • 16:50
        Particle-core coupling in nuclei: new insights, fundamental misconceptions 25m
        Orateur: Prof. John Wood (Georgia Tech)
      • 17:15
        Ab-initio SCGF computations of medium mass nuclei 25m
        Orateur: Dr Carlo Barbieri (University of Surrey)
      • 17:40
        First-order quantum phase transitions between spherical and γ-unstable deformed nuclear shapes 25m
        Orateur: Prof. Amiram Leviatan (Racah Institute of Physics, The Hebrew University)
      • 18:05
        Towards symmetry unrestricted Skyrme-HFB calculations: Rotation of exotic shapes 15m
        Orateur: M. Wouter Ryssens (Institut Physique Nucléaire Lyon )
      • 18:20
        Do Quarks Play Explicit Role in Nuclear Structure? 15m
        Orateur: Dr Genis Musulmanbekov (JINR Dubna)
    • 18:35 20:30
      Poster session - Cocktail (restaurant CNRS)
      • 18:35
        Calculation of energy level and B(E2) values of even-even isotopes of sulfur using the shell-model code NuShellX@MSU 9m
        Orateur: Dr Amin Attarzadeh (ACECR)
      • 18:45
        2nd-order superfluid Thomas-Fermi approximation and FAM-QRPA method for ultracold fermions 9m
        Orateur: Mlle Na Fei (School of Physics, Peking University)
      • 18:55
        Beta+ decay properties of A=102 isobars 9m
        Orateur: Mlle Nadjet Laouet (Université des Frères Mentouri Constantine 1)
      • 19:05
        Study of vibrational to rotational region by use of affin su(1,1) algebra in the sdg-IBFM framework 9m
        Orateur: Mlle Zeinab Ranjbar (University of Tabriz)
      • 19:15
        Symmetric/asymmetric transition of fission yields studied with the time-dependent generator coordinate method 9m
        Orateur: M. David Regnier (IPN Orsay)
      • 19:25
        A closer look at the pairing effects on the structure of normal deformed (ND) bands in Hf isotopes 9m
        Orateur: M. Hadi Taheri (Ferdowsi University of Mashhad)
      • 19:34
        Global analysis of Skyrme forces and the high-order density dependence 9m
        Orateur: M. Zhiwei Zuo (School of Physics, Peking University)
      • 19:43
        Search for collective and non-collective band structures in 123Xe 9m
        Orateur: Mlle Anwesha Basu (Indian Institute of Technology, Kharagpur )
      • 19:52
        Attenuation of radiation with biological media 9m
        Orateur: Mlle Ainouna Bouziane (Université des Sciences et de la Technologie d'Oran - Mohamed-Boudiaf- Algeria)
      • 20:01
        Transfer reaction and 212Po structure 9m
        Orateur: M. Etienne Dupont (CSNSM Orsay)
      • 20:10
        Manifestation of triaxiality in 135,136Nd: Chirality and Wobbling 9m
        Orateur: M. Bingfeng Lv (CSNSM Orsay)
      • 20:19
        Evidence of rotational behavior in the 120Te isotope 9m
        Orateur: Dr Mansi Saxena (Heavy Ion Laboratory, University of Warsaw)
    • 09:00 10:30
      Experiment 5
      Président de session: Prof. Paul Garrett (University of Guelph)
      • 09:00
        Coulomb excitation of 132Sn with MINIBALL at HIE-ISOLDE 25m
        Orateur: Prof. Peter Reiter (University of Cologne)
      • 09:25
        Probing nuclear structure emerging from the interplay of single-particle and collective regimes 25m
        Orateur: Dr Tuomas Grahn (University of Jyväskylä)
      • 09:50
        CAGRA Project at RCNP, Osaka University 25m
        Orateur: Dr Eiji Ideguchi (RCNP, Osaka University)
      • 10:15
        FRS Ion Catcher: Measurement of Isomers and Production of Isomerically Clean Beams 15m
        Orateur: Dr Timo Dickel (GSI Helmholtzzentrum für Schwerionenforschung)
    • 10:30 10:55
      Coffee break 25m
    • 10:55 12:40
      Experiment 6
      Président de session: Prof. John Sharpey-Schafer (University of the Western Cape)
      • 10:55
        Rotation induced shapes and collective phenomena in excited atomic nuclei - an overview of studies coordinated by groups from IFJ PAN Krakow and HIL Warsaw 25m
        Orateur: Prof. Adam Maj (IFJ PAN)
      • 11:20
        Effect of deformation on the broad structure of the Isovector Giant Dipole Resonance in 144-150Nd and 152Sm 15m
        Orateur: Dr Lindsay Michelle Donaldson (iThemba Laboratory for Accelerator Based Science)
      • 11:35
        Collective modes excited in inelastic scattering of fast protons studied at Cyclotron Centre Bronowice - (CCB) 15m
        Orateur: Dr Maria Kmiecik (IFJ PAN Krakow)
      • 11:50
        Studying the nuclear g factor and quadrupole moment of the isomeric intruder 1+ state of 34Al via the beta-NMR technique 15m
        Orateur: Dr Zhengyu Xu (IKS, KU Leuven)
      • 12:05
        Shape coexistence in gold, mercury and bismuth isotopes studied by in-source laser spectroscopy at RILIS-ISOLDE 15m
        Orateur: Dr James Cubiss (University of York)
      • 12:20
        FIPPS – A new instrument for prompt spectroscopy at ILL 20m
        Orateur: Dr Yung Hee Kim (Institut Laue Langevin Grenoble)
    • 12:40 14:10
      Lunch 1h 30m
    • 14:10 23:10
      Social program

      15:00: Transfer by bus to Paris
      16:00: Bateaux mouches excursion
      19:30: Conference dinner
      22:00 Transfer by bus to Gif-sur-Yvette

    • 09:00 10:40
      Experiment 7: Isomers 1
      Président de session: Prof. Costel Petrache (CSNSM Orsay and Université Paris-Saclay)
      • 09:00
        100 years of isomers – then and now 25m
        Orateur: Prof. Philip Walker (University of Surrey)
      • 09:25
        Isomerism and Nuclear Structure of Heavy Elements 25m
        Orateur: Prof. Paul Greenlees (University of Jyväskylä)
      • 09:50
        Direct identification of the elusive 229mTh isomer: milestone towards a nuclear clock 25m
        Orateur: Dr Peter G. Thirolf (Ludwig-Maximilians-University Munich)
      • 10:15
        Isomers in and around Semi-magic and Magic Nuclei 25m
        Orateur: Prof. Ashok Kumar Jain (Indian Institute of Technology Roorkee)
    • 10:40 11:05
      Coffee break 25m
    • 11:05 12:20
      Experiment 8: Isomers 2
      Président de session: Prof. Bo Cederwall (KTH Royal Institute of Technology)
      • 11:05
        Ultra-cold gas of 135mCs isomers: progress and perspectives 25m
        Orateur: Prof. Ferruccio Renzoni (University College London)
      • 11:30
        Tracking Low-lying Nuclear Shape Evolution from the Dysprosium Valence Maximum to Gamma-soft Osmium Isotopes 25m
        Orateur: Prof. Patrick Regan (University of Surrey)
      • 11:55
        Pigmy resonance in soft nuclei measured through excitation of spin isomers 25m
        Orateur: Prof. Vladimir Nedorezov (INR RAS)
    • 12:20 14:00
      Lunch 1h 40m
    • 14:00 15:40
      Theory 5: Ab initio 1
      Président de session: Dr Petr Navratil (TRIUMF)
      • 14:00
        Advances in coupled-cluster computations of atomic nuclei 25m
        Orateur: Dr Gaute Hagen (Oak Ridge National Laboratory)
      • 14:25
        Nuclear structure and reactions from lattice simulations 25m
        Orateur: Prof. Dean Lee (North Carolina State University)
      • 14:50
        New Horizons in Ab Initio Nuclear Structure Theory 25m
        Orateur: Prof. Robert Roth (TU Darmstadt)
      • 15:15
        Nuclear Shapes from the In-Medium Similarity Renormalisation Group 25m
        Orateur: Prof. Heiko Hergert (NSCL/FRIB Laboratory, Michigan State University)
    • 15:40 16:05
      Coffee break 25m
    • 16:05 17:45
      Theory 6: Ab initio 2
      Président de session: Prof. Jerzy Dudek (IPHC and Université de Strasbourg)
      • 16:05
        Bound and unbound light nuclei from ab initio theory 25m
        Orateur: Dr Petr Navratil (TRIUMF)
      • 16:30
        Effective field theories for collective excitations of nuclei 25m
        Orateur: Prof. Thomas Papenbrock (The University of Tennessee)
      • 16:55
        Ab Initio View of Emergent Symmetries, Shapes, and Collectivity 25m
        Orateur: Dr Tomas Dytrych ( Nuclear Physics Institute, Czech Academy of Sciences )
      • 17:20
        Single-particle states vs. collective modes: friends or enemies 25m
        Orateur: Prof. Takaharu Otsuka (Department of Physics, University of Tokyo)
    • 09:00 10:25
      Experiment 9
      Président de session: Prof. Patrick Regan (University of Surrey)
      • 09:00
        Do we understand nuclear collectivity? 25m
        Orateur: Prof. Bo Cederwall (KTH Royal Institute of Technology)
      • 09:25
        Spectroscopic Factors in the Islands of Inversion: The Nilsson Strong Coupling Limit 20m
        Orateur: Dr Heather Crawford (Lawrence Berkeley National Laboratory)
      • 09:45
        Perspectives for studies of extremely deformed nuclei near 40Ca 25m
        Orateur: Dr Piotr Bednarczyk (IFJ PAN)
      • 10:10
        Studies of shape coexistence with the Coulomb excitation in the light mercury isotopes 15m
        Orateur: Dr Kseniia Rezynkina (KU Leuven)
    • 10:25 10:50
      Coffee break 25m
    • 10:50 12:30
      Theory 7
      Président de session: Prof. Gianluca Colò (Dipartimento di Fisica, Università degli Studi, and INFN, Milano)
      • 10:50
        Possible decay chains of superheavy nuclei in forthcoming experiments 25m
        Orateur: Prof. Dorin Poenaru (IFIN-HH)
      • 11:15
        Some spectroscopic properties of odd well-deformed nuclei in the rare-earth region 25m
        Orateur: Prof. Philippe Quentin (CENBG Bordeaux)
      • 11:40
        Elimination of the spurious admixtures in the QRPA E0, E1, E2 and M1 excitations of deformed nuclei 25m
        Orateur: Prof. Jan Kvasil (Institute for Particle and Nuclear Physics, MFF, Charles University in Prague)
      • 12:05
        Effects of reflection-asymmetric shapes on nuclear collective and isomeric properties 25m
        Orateur: Prof. Nikolay Minkov (Institute of Nuclear Research and Nuclear Energy, Bulgarian Academy of Sciences)
    • 12:30 14:00
      Lunch 1h 30m
    • 14:00 14:55
      Theory 8
      Président de session: Dr Marcella Grasso (IPN Orsay)
      • 14:00
        Different views of configuration mixing within Density Functional Theory 25m
        Orateur: Prof. Gianluca Colò (Dipartimento di Fisica, Università degli Studi, and INFN, Milano)
      • 14:25
        Shell-model investigation of even and odd nuclei above 132Sn 15m
        Orateur: Dr Houda Naïdja (Constantine 1 University)
      • 14:40
        Phase diagram of the extended Agassi model 15m
        Orateur: Dr José Enrique García-Ramos (University of Huelva)
    • 14:55 15:05
    • 15:05 15:35
      Coffee break 30m
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