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The laser ion source trap for highest isobaric selectivity in online exotic isotope production
/ Schwellnus, F (Mainz U.) ; Catherall, R (CERN) ; Wendt, K (Mainz U.) ; Mattolat, C (Mainz U.) ; Rothe, S (CERN) ; Crepieux, B (CERN) ; Blaum, K (Heidelberg, Max Planck Inst.) ; Fedosseev, V (CERN) ; Gottwald, T (Mainz U.) ; Kluge, H -J (Darmstadt, GSI) et al.
The improvement in the performance of a conventional laser ion source in the laser ion source and trap (LIST) project is presented, which envisages installation of a repeller electrode and a linear Paul trap/ion guide structure. This approach promises highest isobaric purity and optimum temporal and spatial control of the radioactive ion beam produced at an online isotope separator facility. [...]
2010
- Published in : Rev. Sci. Instrum. 81 (2010) 02A515
In : International Conference on Ion Sources, Gatlinburg, TN, USA, 20 - 25 Sep 2009, pp.02A515
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2.
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On-line implementation and first operation of the Laser Ion Source and Trap at ISOLDE/CERN
/ Fink, D A (CERN) ; Richter, S D ; Blaum, K ; Catherall, R (CERN) ; Crepieux, B (CERN) ; Fedosseev, V N (CERN) ; Gottberg, A (CERN) ; Kron, T ; Marsh, B A (CERN) ; Mattolat, C et al.
• The Laser Ion Source and Trap (LIST) was successfully operated on-line at ISOLDE. • LIST showed no signs of degradation after 48 h of intense proton irradiation. [...]
2015 - 13 p.
- Published in : Nucl. Instrum. Methods Phys. Res., B 344 (2015) 83-95
Elsevier Open Access article: PDF;
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3.
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Study of low work function materials for hot cavity resonance ionization laser ion sources
/ Schwellnus, F (Mainz U., Inst. Phys.) ; Catherall, R (CERN) ; Crepieux, B (CERN) ; Fedosseev, V N (CERN) ; Marsh, B A (CERN) ; Mattolat, Ch (Mainz U., Inst. Phys.) ; Menna, M (CERN) ; Österdahl, F K (Royal Inst. Tech., Stockholm) ; Raeder, S (Mainz U., Inst. Phys.) ; Stora, T (CERN) et al.
The selectivity of a hot cavity resonance ionization laser ion source (RILIS) is most often limited by contributions from competing surface ionization of the hot walls of the ionization cavity. In this article we present investigations on the properties of designated high temperature, low work function materials regarding their performance and suitability as cavity material for RILIS. [...]
2009
- Published in : Nucl. Instrum. Methods Phys. Res., B 267 (2009) 1856-1851
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4.
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Study of Low Work Function Materials for Hot Cavity Resonance Ionization Laser Ion Sources
/ Catherall, R (CERN) ; Crepieux, B (CERN) ; Fedosseev, V (CERN) ; Marsh, B (CERN) ; Mattolat, C (Mainz U., Inst. Phys.) ; Menna, Mariano (CERN) ; Österdahl, F (Royal Inst. Tech., Stockholm) ; Raeder, S (Mainz U., Inst. Phys.) ; Schwellnus, F (Mainz U., Inst. Phys.) ; Stora, T (CERN) et al.
The selectivity of a hot cavity resonance ionization laser ion source (RILIS) is most often limited by contributions from competing surface ionization on the hot walls of the ionization cavity. [...]
CERN-AB-Note-2008-056-ATB.
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2008. - 13 p.
Access to fulltext
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5.
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First application of the Laser Ion Source and Trap (LIST) for on-line experiments at ISOLDE
/ Fink, D A (CERN ; Heidelberg, Max Planck Inst. ; Heidelberg U.) ; Catherall, R (CERN) ; Imai, N (KEK, Tsukuba) ; Blaum, K (Heidelberg, Max Planck Inst.) ; Rothe, S (CERN ; Mainz U.) ; Sjoedin, M (GANIL) ; Rossel, R E (CERN ; Mainz U.) ; Kron, T (Mainz U.) ; Marsh, B A (CERN) ; Richter, S D (Mainz U.) et al.
The Laser Ion Source and Trap (LIST) provides a new mode of operation for the resonance ionization laser ion source (RILIS) at ISOLDE/CERN, reducing the amount of surface-ionized isobaric contaminants by up to four orders of magnitude. After the first successful on-line test at ISOLDE in 2011 the LIST was further improved in terms of efficiency, selectivity, and reliability through several off-line tests at Mainz University and at ISOLDE. [...]
2013
- Published in : Nucl. Instrum. Methods Phys. Res., B 317 (2013) 417-421
In : 16th International Conference on Electromagnetic Isotope Separators and Techniques Related to their Applications, Matsue, Japan, 2 - 7 Dec 2012, pp.417-421
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Off-line tests and first on-line installation of the laser ion source trap LIST - application for CVC test and CKM unitarity
/ Fedosseev, V et al.
- ISOLDE.
Approved: 10 September 2007.-
Status: Finished
Experiment: IS462
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7.
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Ion production from solid state laser ion sources
/ Gottwald, T (Mainz U., Inst. Phys.) ; Havener, C (Oak Ridge) ; Wendt, K (Mainz U., Inst. Phys.) ; Raeder, S (Mainz U., Inst. Phys.) ; Mattolat, C (Mainz U., Inst. Phys.) ; Rothe, S (CERN) ; Liu, Y (Oak Ridge) ; Lassen, J (TRIUMF)
Laser ion sources based on resonant excitation and ionization of atoms are well-established tools for selective and efficient production of radioactive ion beams. Recent developments are focused on the use of the state-of-the-art all solid-state laser systems. [...]
2010
- Published in : Rev. Sci. Instrum. 81 (2010) 02A514
In : International Conference on Ion Sources, Gatlinburg, TN, USA, 20 - 25 Sep 2009, pp.02A514
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8.
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GISELE: A resonant ionization laser ion source for the production of radioactive ions at GANIL
/ Lecesne, N (GANIL) ; Saint-Laurent, M G (GANIL) ; Wendt, K (Mainz U.) ; Mattolat, C (Mainz U.) ; Rothe, S (CERN) ; Pichard, A (GANIL) ; Pacquet, J Y (GANIL) ; Dubois, M (GANIL) ; Coterreau, E (Orsay, IPN) ; Franberg, H (GANIL) et al.
SPIRAL2 is the new project under construction at GANIL to produce radioactive ion beams and in particular neutron rich ion beams. For the past 10 yr SPIRAL1 at GANIL has been delivering accelerated radioactive ion beams of gases. [...]
2010
- Published in : Rev. Sci. Instrum. 81 (2010) 02A910
In : International Conference on Ion Sources, Gatlinburg, TN, USA, 20 - 25 Sep 2009, pp.02A910
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9.
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Development of astatine ion beams with RILIS
/ Andreyev, A (West Scotland U.) ; Antalic, S (Comenius U.) ; Berg, L E (Royal Inst. Tech., Stockholm) ; Cocolios, T (Leuven) ; Fedosseev, V N (CERN) ; Gottwald, T (Mainz U.) ; Huyse, M (Leuven) ; Kudryavtsev, Yu (Leuven) ; Köster, U (Laue-Langevin Inst.) ; Kurcewicz, W (Warsaw U.) et al.
CERN-INTC-2010-010 ; INTC-I-086.
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2010.
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10.
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Experimental tests of an advanced proton-to-neutron converter at ISOLDE-CERN
/ Gottberg, A (CERN ; Madrid, Inst. Estructura Materia) ; Mendonca, T M (CERN ; Porto U.) ; Luis, R (Lisbon, IST) ; Ramos, J P (CERN ; Ecole Polytechnique, Lausanne) ; Seiffert, C (CERN ; Darmstadt, Tech. U.) ; Cimmino, S (CERN) ; Marzari, S (CERN) ; Crepieux, B (CERN) ; Manea, V (CSNSM, Orsay) ; Wolf, R N (Greifswald U) et al.
The suppression of isobaric contaminations is of growing importance for many scientific programs using radioactive isotopes produced at isotope separation on-line (ISOL) facilities, such as ISOLDE-CERN. A solid tungsten proton-to-neutron converter has been used for ten years to produce neutron-rich fission fragments from an UC x target while suppressing the production of neutron-deficient isobaric contaminants. [...]
2014 - 5 p.
- Published in : Nucl. Instrum. Methods Phys. Res., B 336 (2014) 143-148
Elsevier Open Access article: PDF;
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