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1.
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Production study of Fr, Ra and Ac radioactive ion beams at ISOLDE, CERN
/ Jajčišinová, E (Geel, JRC ; Leuven U.) ; Dockx, K (Leuven U.) ; Au, M (CERN) ; Bara, S (Leuven U.) ; Cocolios, T E (Leuven U.) ; Chrysalidis, K (CERN) ; Farooq‑Smith, G J (Leuven U. ; Edinburgh U.) ; Fedorov, D V (Unlisted) ; Fedosseev, V N (CERN) ; Flanagan, K T (Manchester U.) et al.
The presented paper discusses the production of radioactive ion beams of francium, radium, and actinium from thick uranium carbide (UC$_{x}$) targets at ISOLDE, CERN. This study focuses on the release curves and extractable yields of francium, radium and actinium isotopes. [...]
2024 - 9 p.
- Published in : Sci. Rep. 14 (2024) 11033
Fulltext: PDF;
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2.
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Half-life determination of $^{215}$At and $^{221}$Ra with high-purity radioactive ion beams
/ Bara, S (KU Leuven, Dept. Phys. Astron.) ; Jajčišinová, E (KU Leuven, Dept. Phys. Astron. ; Geel, JRC) ; Cocolios, T E (KU Leuven, Dept. Phys. Astron.) ; Andel, B (Comenius U.) ; Antalic, S (Comenius U.) ; Camaiani, A (Florence U. ; INFN, Florence ; KU Leuven, Dept. Phys. Astron.) ; Costache, C (Bucharest, IFIN-HH) ; Dockx, K (KU Leuven, Dept. Phys. Astron.) ; Farooq-Smith, G J (Edinburgh U. ; KU Leuven, Dept. Phys. Astron.) ; Kellerbauer, A (Geel, JRC) et al.
At CERN-ISOLDE, high-purity radioactive ion beams of $^{219}$Fr and $^{221}$RaF were investigated with $\alpha$-decay spectroscopy at the CRIS and ASET experiments in the course of three different experimental campaigns. The half-life of $^{215}$At, $\alpha$-decay daughter of $^{219}$Fr, is measured to be 36.3(3)[9]μs, and that of $^{221}$Ra was determined to be 26.2(1)[6]s, both of which are well in line with the trends in this region of the nuclear landscape but at odds with some of the reported literature..
2024 - 8 p.
- Published in : Appl. Radiat. Isot. 208 (2024) 111289
Fulltext: Preprint - PDF; Supplementary material - PDF;
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3.
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Determination of the Terbium-152 half-life from mass-separated samples from CERN-ISOLDE and assessment of the radionuclide purity
/ Collins, S M (Teddington, Natl. Phys. Lab ; U. Surrey (main)) ; Ko¨ster, U (Laue-Langevin Inst.) ; Robinson, A P (Teddington, Natl. Phys. Lab ; U. Manchester (main) ; Manchester U.) ; Ivanov, P (Teddington, Natl. Phys. Lab) ; Cocolios, T E (Leuven U.) ; Russell, B (Teddington, Natl. Phys. Lab) ; Fenwick, A J (Teddington, Natl. Phys. Lab) ; Bernerd, C (Leuven U. ; CERN) ; Stegemann, S (Leuven U.) ; Johnston, K (CERN) et al.
Terbium-152 is one of four terbium radioisotopes that together form a potential theranostic toolbox for the personalised treatment of tumours. As 152 Tb decay by positron emission it can be utilised for diagnostics by positron emission tomography. [...]
2023 - 16 p.
- Published in : Appl. Radiat. Isot. 202 (2023) 111044
Fulltext: PDF;
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4.
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Resonant laser ionization and mass separation of $^{225}$Ac
/ Johnson, Jake D (Leuven U.) ; Heines, Michael (Leuven U.) ; Bruchertseifer, Frank (Geel, JRC) ; Chevallay, Eric (CERN) ; Cocolios, Thomas E (Leuven U.) ; Dockx, Kristof (Leuven U.) ; Duchemin, Charlotte (Leuven U. ; CERN) ; Heinitz, Stephan (SCK-CEN, Mol) ; Heinke, Reinhard (Leuven U. ; CERN) ; Hurier, Sophie (Leuven U. ; SCK-CEN, Mol) et al.
$^{225}$Ac is a radio-isotope that can be linked to biological vector molecules to treat certain distributed cancers using targeted alpha therapy. However, developing $^{225}$Ac-labelled radiopharmaceuticals remains a challenge due to the supply shortage of pure $^{225}$Ac itself. [...]
2023 - 11 p.
- Published in : Sci. Rep. 13 (2023) 1347
Fulltext: PDF;
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5.
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A porous hexagonal boron nitride powder compact for the production and release of radioactive 11C
/ Stegemann, S (Leuven U.) ; Ballof, J (CERN) ; Cocolios, T E (Leuven U.) ; Correia, J -G (CERN ; IST, Lisbon (main)) ; Dockx, K (Leuven U.) ; Poleshchuk, O (Leuven U.) ; Ramos, J P (Leuven U. ; CERN) ; Schell, J (CERN) ; Stora, T (CERN) ; Vleugels, J (Leuven U.)
A porous pre-sintered hexagonal boron nitride powder compact was recently developed as target for the production of intense $^{11}$C beams for Positron Emission Tomography-aided hadron therapy. In a previous study, this target has been characterized regarding its operational limitations. [...]
2021 - 12 p.
- Published in : J. Eur. Ceramic Soc. 41 (2021) 4086-4097
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6.
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CERN-MEDICIS: A Review Since Commissioning in 2017
/ MEDICIS Collaboration
The CERN-MEDICIS (MEDical Isotopes Collected from ISolde) facility has delivered its first radioactive ion beam at CERN (Switzerland) in December 2017 to support the research and development in nuclear medicine using non-conventional radionuclides. Since then, fourteen institutes, including CERN, have joined the collaboration to drive the scientific program of this unique installation and evaluate the needs of the community to improve the research in imaging, diagnostics, radiation therapy and personalized medicine. [...]
2021 - 11 p.
- Published in : Frontiers in Medicine 8 (2021) 693682
Fulltext: PDF;
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7.
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Design and commissioning of an ion guide system for In-Gas Laser Ionization and Spectroscopy experiments
/ Sels, S (CERN ; Leuven U.) ; Ferrer, R (Leuven U.) ; Dockx, K (Leuven U.) ; Granados Buitrago, C (Leuven U. ; CERN) ; Huyse, M (Leuven U.) ; Kudryavtsev, Yu (Leuven U.) ; Kraemer, S (Leuven U.) ; Raeder, S (Leuven U.) ; Van Den Bergh, P (Leuven U.) ; Van Duppen, P (Leuven U.) et al.
Radio-frequency (RF) ion guides, also known as Linear Paul Traps, are powerful devices to efficiently transport ion beams from high to low pressure regions while keeping good ion optical properties. A set of ion guides comprising three different RF quadrupole (RFQ) structures has been designed using ion-trajectory simulations to improve the performance of the In-Gas Laser Ionizations and Spectroscopy (IGLIS) technique currently under development at KU Leuven. [...]
2020 - 6 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 463 (2020) 148-153
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8.
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A new control system for high-precision In-Gas Laser Ionization and Spectroscopy experiments at KU Leuven
/ Dockx, K (Leuven U.) ; Cocolios, T E (Leuven U.) ; Ferrer, R (Leuven U.) ; Granados, C (CERN) ; Kraemer, S (Leuven U.) ; Kudryavtsev, Yu (Leuven U.) ; Sels, S (CERN) ; Van den Bergh, P (Leuven U.) ; Van Duppen, P (Leuven U.) ; Verlinde, M (Leuven U.) et al.
A new automated control system is developed for the In-Gas Laser Ionization and Spectroscopy (IGLIS) laboratory at KU Leuven. The IGLIS Control System is capable of stabilizing a narrowband single-mode tunable
diode laser with a standard deviation of 1.14 MHz. [...]
2020 - 5 p.
- Published in : Nucl. Instrum. Methods Phys. Res., B 463 (2020) 297-301
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9.
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Production cross-section measurements of proton-induced reactions on natural tantalum in the 0.3 GeV–1.7 GeV energy range
/ Duchemin, Charlotte (Leuven U. ; CERN) ; Cocolios, Thomas E (Leuven U.) ; Dockx, Kristof (Leuven U.) ; Farooq-Smith, Gregory J (Leuven U.) ; Felden, Olaf (ZAT, Julich) ; Formento-Cavaier, Roberto (Unlisted, IT) ; Gebel, Ralf (ZAT, Julich) ; Köster, Ulli (Laue-Langevin Inst.) ; Neumaier, Bernd (ZAT, Julich) ; Scholten, Bernhard (ZAT, Julich) et al.
This work reports the production cross-section data for seventy-one radionuclides produced by 0.3 GeV–1.7 GeV protons impinging on thin tantalum targets. For that purpose, activation experiments were performed using the COSY synchrotron at FZ Jülich utilizing the stacked-foils technique and γ-ray spectrometry with high-purity germanium detectors. [...]
2021 - 9 p.
- Published in : Appl. Radiat. Isot. 178 (2021) 109983
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10.
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Laser-assisted nuclear decay spectroscopy of $^{176,177,179}$Au
/ Harding, R D (York U., England ; CERN) ; Andreyev, A N (York U., England ; JAERI, Tokai) ; Barzakh, A E (St. Petersburg, INP) ; Cubiss, J G (York U., England) ; Van Duppen, P (Leuven U.) ; Al Monthery, M (York U., England) ; Althubiti, N A (Manchester U.) ; Andel, B (Leuven U. ; Comenius U.) ; Antalic, S (Comenius U.) ; Cocolios, T E (Leuven U. ; Manchester U.) et al.
A study of the laser-ionized and mass-separated neutron-deficient isotopes $^{176,177,179}$Au was performed using the Resonance Ionization Laser Ion Source and the Windmill detection setup at ISOLDE, CERN. New and improved data on complex fine-structure α decays of the three isotopes were deduced, providing insight into the low-lying levels in the daughter nuclei $^{172,173,175}$Ir. [...]
2021 - 16 p.
- Published in : Phys. Rev. C 104 (2021) 024326
Fulltext: PDF;
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