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ISOLDE Conference Papers

The upgraded ISOLDE yield database - A new tool to predict beam intensities / Ballof, Jochen (CERN) ; Ramos, Joao Pedro (KU Leuven (BE)) ; Molander, Andreas (Helsinki Institute of Physics (FI)) ; Johnston, Karl (CERN) ; Rothe, Sebastian (CERN) ; Stora, Thierry (CERN)
At the CERN-ISOLDE facility a variety of radioactive ion beams are available to users of the facility. The number of extractable isotopes estimated from yield database data exceeds 1000 and is still increasing. [...]
CERN-ISOLDE-CONF-2019-006.- Geneva : CERN, 2019 Fulltext: PDF;

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Upgrades of the GANDALPH photodetachment detector towards the determination of the electron affinity of astatine / Leimbach, David (Johannes Gutenberg Universitaet Mainz (DE)) ; Rothe, Sebastian (CERN) ; Bengtsson, Lars (Gothenburg University (SE)) ; Ringvall Moberg, Annie (Gothenburg University (SE)) ; Sundberg, Julia (Gothenburg University (SE)) ; Wendt, Klaus (Johannes Gutenberg Universitaet Mainz (DE)) ; Hanstorp, Dag (Gothenburg University (SE)) /IS615 Collaboration
The Gothenburg ANion Detector for Affinity measurements by Laser PHotodetachment (GANDALPH) has recently been built for measurements of electron affinities (EA) of radioisotopes. A first measurement campaign is aimed towards the determination of the EA of astatine, the rarest naturally occurring element on earth [...]
CERN-ISOLDE-CONF-2019-005.- Geneva : CERN, 2019 Fulltext: PDF;

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Charge breeding of CO$^{+}$ beams at REX-ISOLDE / Pitters, J (CERN) ; Breitenfeldt, M (CERN) ; Wenander, F (CERN)
The β+ emitter 11C is a possible treatment ion for hadron therapy owing to its excellent properties in PET imaging, which could be used for range verification during the treatment. A charge breeder is required to transform the molecular CO+ beam, coming from an ISOL-production stage (Isotope Separation OnLine), to Cn+ and to match it with the acceptance of the medical accelerator. [...]
2018 - 3 p. - Published in : AIP Conf. Proc. 2011 (2018) 070012
In : International Conference on Ion Sources, CERN Geneva, Geneva, Switzerland, 15 - 20 Oct 2017, pp.070012

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MELISSA: Laser Ion Source Setup at CERN-MEDICIS facility. Blueprint / Gadelshin, Vadim (Johannes Gutenberg Universitaet Mainz (DE)) ; Barozier, Vincent (CERN) ; Cocolios, Thomas Elias (KU Leuven (BE)) ; Fedosseev, Valentine (CERN) ; Formento Cavaier, Roberto (Centre National de la Recherche Scientifique (FR)) ; Haddad, Ferid (CERN) ; Marsh, Bruce (CERN) ; Marzari, Stefano (CERN) ; Rothe, Sebastian (CERN) ; Stora, Thierry (CERN) et al.
The Resonance Ionization Laser Ion Source (RILIS) has become an essential feature of many radioactive ion beam facilities worldwide since it offers an unmatched combination of efficiency and selectivity in the production of ion beams of many different chemical elements. In 2019, the laser ion source setup MELISSA is going to be established at the CERN-MEDICIS facility, based on the experience of the workgroup LARISSA of the University Mainz and CERN ISOLDE RILIS team [...]
CERN-ISOLDE-CONF-2019-004.- Geneva : CERN, 2019 External links: Fulltext; Fulltext; Fulltext

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First steps in the development of the Multi Ion Reflection Apparatus for Collinear Laser Spectroscopy / Sels, Simon Mark C (CERN) ; Fischer, Paul (Ernst Moritz Arndt Universitaet (DE)) ; Heylen, Hanne (CERN) ; Lagaki, Varvara (Ernst Moritz Arndt Universitaet (DE)) ; Lechner, Simon (University of Vienna (AT)) ; Maier, Franziska Maria (Johannes Kepler University (AT)) ; Plattner, Peter (University of Innsbruck (AT)) ; Rosenbusch, Marco (Ernst Moritz Arndt Universitaet (DE)) ; Wienholtz, Frank (Ernst Moritz Arndt Universitaet (DE)) ; Wolf, Robert (Max-Planck-Gesellschaft (DE)) et al.
Collinear laser spectroscopy (CLS) has been combined with the multi-reflection time-of-flight (MR-ToF) technique. To this end, a photodetection system has been implemented at the drift region of a MR-ToF apparatus and a laser beam has been sent along the path of the ions that are stored between the two ion-optical mirrors. [...]
CERN-ISOLDE-CONF-2019-003.- Geneva : CERN, 30 - Published in : External links: Fulltext; Fulltext; Fulltext

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In-source laser spectroscopy of dysprosium isotopes at the ISOLDE-RILIS / Chrysalidis, Katerina (Johannes Gutenberg Universitaet Mainz (DE)) ; Barzakh, Anatoly (NRC Kurchatov Institute PNPI (RU)) ; Andreev, Andreyev (University of York (GB)) ; Ballof, Jochen (CERN) ; Cubiss, James (University of York (GB)) ; Fedorov, Dmitry (NRC Kurchatov Institute PNPI (RU)) ; Fedosseev, Valentine (CERN) ; Fraile, Luis (Universidad Complutense (ES)) ; Harding, Robert Dale (University of York (GB)) ; Marsh, Bruce (CERN)
A number of radiogenically produced dysprosium isotopes have been studied by in-source laser spectroscopy at ISOLDE using the Resonance Ionization Laser Ion Source (RILIS). Isotope shifts were measured relative to $^{152}$Dy in the 4 f$^{ 10}$6s$^{2}$ $^5$I$_8$ (gs) $\rightarrow$ 4 f$^{ 10}$6s6p (8,1)$^8_o$ (418.8 nm$_{vac}$) resonance transition. [...]
CERN-ISOLDE-CONF-2019-002.- Geneva : CERN, 2019

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First demonstration of Doppler-free 2-photon in-source laser spectroscopy at the ISOLDE-RILIS / Chrysalidis, Katerina (Johannes Gutenberg Universitaet Mainz (DE)) ; Wilkins, Shane (University of Manchester (GB)) ; Heinke, Reinhard Matthias (Johannes Gutenberg Universitaet Mainz (DE)) ; Koszorus, Agota (KU Leuven (BE)) ; De Groote, Ruben Pieter (University of Jyvaskyla (FI)) ; Fedosseev, Valentine (CERN) ; Marsh, Bruce (CERN) ; Rothe, Sebastian (CERN) ; Garcia Ruiz, Ronald Fernando (CERN) ; Studer, Dominik (Johannes Gutenberg Universitaet Mainz (DE)) et al.
Collinear Doppler-free 2-photon resonance ionization has been applied inside a hot cavity laser ion source environment at CERN-ISOLDE. An injection-seeded Ti:sapphire ring laser was used to generate light pulses with a Fourier-limited linewidth for high-resolution spectroscopy. [...]
CERN-ISOLDE-CONF-2019-001.- Geneva : CERN, 2019 Fulltext: PDF;

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Sensitivity of $^{57}$Fe emission Mössbauer spectroscopy to Ar and C induced defects in ZnO / Bharuth-Ram, K (DUT, Durban) ; Mølholt, T E (CERN) ; Langouche, G (Leuven U.) ; Geburt, S (U. Jena (main)) ; Ronning, C (U. Jena (main)) ; Doyle, T B (iThemba LABS ; KwaZulu Natal U.) ; Gunnlaugsson, H P (CERN) ; Johnston, K (CERN) ; Mantovan, R (IMM-CNR, Brianza) ; Masenda, H (Witwatersrand U.) et al. /Isolde
Emission Mössbauer Spectroscopy (eMS) measurements, following low fluence (<1012 cm−2) implantation of 57Mn (t 1/2 = 1.5 min.) into ZnO single crystals pre-implanted with Ar and C ions, has been utilized to test the sensitivity of the 57Fe eMS technique to the different types of defects generated by the different ion species. The dominant feature of the Mössbauer spectrum of the Ar implanted ZnO sample was a magnetic hyperfine field distribution component, attributed to paramagnetic Fe3+, while that of the C implanted sample was a doublet attributed to substitutional Fe2+ forming a complex with the C dopant ions in the 2− state at O vacancies. [...]
2016 - Published in : Hyperfine Interact. 237 (2016) 81 External link: Link to fulltext on ICAME2015 document server
In : International Conference on the Applications of the Mössbauer Effect, Hamburg, Germany, 13 - 18 Sep 2015, pp.81

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In and Cd as defect traps in titanium dioxide / Schell, Juliana (CERN ; Duisburg-Essen U.) ; Lupascu, Doru C (Duisburg-Essen U.) ; Martins Correia, João Guilherme (CERN ; IST, Lisbon (main)) ; Carbonari, Artur Wilson (U. Sao Paulo (main)) ; Deicher, Manfred (Saarland U.) ; Barbosa, Marcelo Baptista (Porto U.) ; Mansano, Ronaldo Domingues (U. Sao Paulo (main)) ; Johnston, Karl (CERN) ; Ribeiro, Ibere S (U. Sao Paulo (main)) /ISOLDE
We present a study of TiO$_2$ single crystals from the point of view of the dopant atom that simultaneously behaves as the probing element. We used gamma-gamma time dependent perturbed angular correlations working with selected tracer elements ($^{111}$In/ $^{111}$Cd, $^{111m}$Cd/ $^{111}$Cd) together to investigate the different behavior of Cd and In dopants, particularly their interaction with point defects in the TiO$_2$ lattice. [...]
2016 - Published in : Hyperfine Interact. 238 (2016) 2 External link: Link to the fulltext on HFI2016 document server
In : International Conference on Hyperfine Interactions and their Applications, Leuven, Belgium, pp.2

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$^{57}$ Fe Emission Mössbauer Study on $Gd_3 Ga_5 O_{12}$ implanted with dilute $^{57} Mn$ / Krastev, P B (Sofiya, Inst. Nucl. Res.) ; Gunnlaugsson, H P (CERN) ; Nomura, K (Tokyo U. of Sci.) ; Adoons, V (Zululand U.) ; Gerami, A M (CERN ; K.N. Toosi U.) ; Johnston, K (CERN) ; Ncube, M (Witwatersrand U.) ; Mantovan, R (IMM-CNR, Brianza) ; Masenda, H (Witwatersrand U.) ; Matveyev, Y A (Moscow, MIPT) et al. /ISOLDE
$^57$Fe emission Mössbauer spectroscopy has been applied to study the lattice location and properties of Fe in gadolinium gallium garnet $Gd_3 Ga_5 O_{12}$ (GGG) single crystals in the temperature interval 300 – 563 K within the extremely dilute (<10$^{−4}$ at.%) regime following the implantation of$^{57}$Mn (T$_{1 / 2}$= 1.5 min.) at ISOLDE/CERN. These results are compared with earlier Mössbauer spectroscopy study of Fe-doped gadolinium gallium garnet $Gd_3 Ga_5 O_{12}$(GGG), with implantation fluences between 8×10$^{15}$ and 6×10$^{16}$ atoms cm $^{−2}$. [...]
2016 - 6 p. - Published in : Hyperfine Interact. 237 (2016) 37 External link: Link to fulltext on ICAME2015 document server
In : International Conference on the Applications of the Mössbauer Effect, Hamburg, Germany, 13 - 18 Sep 2015, pp.37

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