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ISOLDE Workshop and Users meeting 2012

17–19 Dec 2012
CERN
Europe/Zurich timezone

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Session

Heavy nuclei

18 Dec 2012, 08:30
503/1-001 - Council Chamber (CERN)

503/1-001 - Council Chamber

CERN

162
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Conveners

Heavy nuclei

  • Peter Butler (University of Liverpool (GB))

Presentation materials

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  1. 61. Recent results and perspectives at the GANIL/SPIRAL2 facility
    Marek Lewitowicz (GANIL)
    18/12/2012, 08:30
    Invited
    Recent results related to study of nuclei far from stability obtained at the GANIL facility [1] will be presented. Developments of high intensity stable and radioactive ion beams at GANIL cyclotrons and SPIRAL1 facility as well as important upgrade of existing detection systems will open new opportunities in experimental nuclear physics. Future operation modes of the GANIL/SPIRAL2 complex as a...
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  2. 52. Recent Results on Spherical and Deformed Nuclei from NICOLE
    Dr Gary Simpson (LPSC)
    18/12/2012, 09:00
    Submitted
    The NICOLE dilution refrigerator is an on-line Low-Temperature Nuclear Orientation facility installed at ISOLDE, principally used to measure the magnetic moments of atomic nuclei. The ground-state of the nucleus 49Sc has only one f7/2 proton outside a doubly magic 48Ca core. This makes this nucleus one of the few available for testing the fundamental theory of nuclear magnetism. The magnetic...
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  3. 40. Penning-trap mass spectrometry and search for long-lived isomers in neutron-deficient Au and At isotopes
    Vladimir Manea (CSNSM Centre de Spectrometrie Nucleaire et Spectrometrie de Masse)
    18/12/2012, 09:20
    Submitted
    Various experiments on neutron-deficient isotopes around the magic proton number Z = 82 suggest a complex behavior in the proton-neutron valence space. The occupation of intruder proton orbitals leads to shape coexistence, or sudden transitions from spherical or slightly-deformed to deformed shape. One important example is the shape transition which occurs in the Au isotopic chain at mass...
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  4. 10. Coulomb excitation of 196,198,200,202Po studied at REX-ISOLDE with the Miniball γ spectrometer
    Nele Kesteloot (Katholieke Universiteit Leuven (BE))
    18/12/2012, 09:40
    Submitted
    The neutron-deficient polonium isotopes with two protons outside the closed Z = 82 shell represent an interesting region of the nuclear chart to study shape coexistence in nuclei [1]. When going from the closed neutron shell at N=126 towards the most neutron deficient nuclei around N=104 the nuclear structure of the polonium isotopes changes from a general-seniority-type regime, towards a...
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  5. 17. Beta-delayed fission of neutron-deficient Fr and At isotopes
    Lars Herman L Ghys (Katholieke Universiteit Leuven (BE))
    18/12/2012, 10:00
    Submitted
    Beta-delayed fission (bdf) happens when a precursor nucleus first undergoes beta-decay to a high-lying excited state above or around the fission barrier in the daughter nucleus that subsequently fissions. Although bdf is a rare event, its study allows us to probe the nuclear fission process of excited nuclei with low excitation energies and known ranges of spins and parities as shown from our...
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  6. 9. Spectroscopic studies of the neutron-deficient francium isotopes at the CRIS beam line
    Kara Marie Lynch (University of Manchester (GB))
    18/12/2012, 10:20
    Submitted
    The Collinear Resonant Ionization Spectroscopy (CRIS) experiment at ISOLDE, CERN uses laser radiation to stepwise excite and ionize an atomic beam for the purpose of ultra-sensitive detection of rare isotopes, and hyperfine structure measurements. The technique also offers the ability to purify an ion beam that is heavily contaminated with isobars, including the ground state of an isotope from...
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