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ISOLDE Workshop and Users meeting 2007/2008

17–19 Dec 2007
CERN
Europe/Zurich timezone

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Session

Technical Developments

19 Dec 2007, 11:25
503/1-001 - Council Chamber (CERN)

503/1-001 - Council Chamber

CERN

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Conveners

Technical Developments

  • Olof Tengblad (CSIC, Madrid)

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  1. 51. Target and Ion Source Development
    Dr Thierry Stora (CERN)
    19/12/2007, 11:25
    The activities related to the development of new radioactive ion beams at ISOLDE will be reviewed, with an emphasis on high power targetry. Some items wil be more precisely presented. New submicrometric and nanomaterials are under development at ISOLDE and within the EURISOL Design Study. Their use will be illustrated with the delivered 21Mg and 17F beams produced with pure submicrometric SiC...
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  2. 6. Hydrodynamics of ISOLDE liquid metal targets
    Dr Etam Noah Messomo (CERN)
    19/12/2007, 11:45
    The proton beam from the CERN Proton-Synchrotron Booster (PSB) is highly pulsed. A typical 1.4 GeV PSB pulse consists of four bunches, with a maximum bunch power of 12 GW. This is more than six orders of magnitude higher than the often quoted average beam power of ~2.7 kW. The lifetimes of early liquid metal targets exposed to the PSB beam were severely compromised through broken welds,...
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  3. 7. Selective contaminant adsorption for RIB purification at ISOLDE
    Mr Elian Bouquerel (CERN, Université Paris 11, Orsay.)
    19/12/2007, 12:05
    Target and ion source units have been recently developed at CERN-ISOLDE with the aim of delivering isobarically clean beams of short lived neutron-rich Cd and Zn. Chemical selectivity is achieved by specific interaction of the contaminant with a catching material inserted in the transfer line [1, 2]: a quartz insert allowed the retention and the decay of alkali contaminants by controlling its...
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  4. 14. FEBIAD ion source operation modes to tune its selectivity: physics processes, numerical simulations and experimental data.
    Mr Liviu Penescu (CERN)
    19/12/2007, 12:20
    The FEBIAD (“Forced Electron Beam Induced Arc Discharge”) ion sources are used for the production of radioactive 1+ ion beams for a wide range of chemical elements. Their small volume and high operating temperature provide good confinement times and ionization efficiencies. Nevertheless, the source lacks in selectivity, ionizing elements regardless of their ionization potential. Presently, the...
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  5. 10. Towards High Intensity Energy ISOLDE: extrapolation of yields for accelerated isotopes at REX-ISOLDE
    Anna Gustafsson (Subatomic Physics Group - Department of Physics - Chalmers University of Technology)
    19/12/2007, 12:40
    Since the first year of operation, REX-ISOLDE has been delivering numerous post-accelerated radioactive beams [1,2]. An update of the ISOLDE database [3] is being done, including REX efficiencies for more than 50 isotopes corresponding to more than 15 elements. Based on this data the yields of post-accelerated beams was extrapolated for the upgrade of the ISOLDE facility, the so-called High...
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  6. 15. ECR charge breeding at ISOLDE
    Dr Pierre Delahaye (CERN)
    19/12/2007, 12:55
    At ISOLDE, CERN, an online test bench is dedicated to radioactive ion charge breeding with the Daresbury Phoenix booster. Two succesful experiments have concluded the program of investigation of the performances of the booster undertaken in the frame of the IS397 proposal. The first one consisted in the trapping and charge breeding of 61Fe daughter nuclides from the beta decay of 61Mn. As a...
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