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Smooth trends in fermium charge radii and the impact of shell effects
/ Warbinek, Jessica (Darmstadt, GSI ; Mainz U. ; CERN ; Helmholtz Inst., Mainz) ; Rickert, Elisabeth (Darmstadt, GSI ; Mainz U. ; Helmholtz Inst., Mainz) ; Raeder, Sebastian (Darmstadt, GSI ; Helmholtz Inst., Mainz) ; Albrecht-Schönzart, Thomas (Colorado School of Mines) ; Andelic, Brankica (Darmstadt, GSI ; Helmholtz Inst., Mainz ; Groningen U.) ; Auler, Julian (Mainz U.) ; Bally, Benjamin (IRFU, Saclay) ; Bender, Michael (IP2I, Lyon) ; Berndt, Sebastian (Mainz U.) ; Block, Michael (Darmstadt, GSI ; Mainz U. ; Helmholtz Inst., Mainz) et al.
The quantum-mechanical nuclear-shell structure determines the stability and limits of the existence of the heaviest nuclides with large proton numbers Z ≳ 100 (refs. $^{1–3}$). [...]
2024 - 5 p.
- Published in : Nature 634 (2024) 1075-1079
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Target Development towards First Production of High-Molar- Activity $^{44g}$Sc and $^{47}$Sc by Mass Separation at CERN-MEDICIS
/ Mamis, Edgars (CERN ; Latvia U.) ; Duchemin, Charlotte (CERN) ; Berlin, Valentina (CERN) ; Bernerd, Cyril (CERN) ; Bovigny, Mathieu (CERN) ; Chevallay, Eric (CERN) ; Crepieux, Bernard (CERN) ; Gadelshin, Vadim Maratovich (Mainz U., Inst. Phys.) ; Heinke, Reinhard (CERN) ; Hernandez, Ronaldo Mendez (CERN ; Havana, ISCTN) et al.
The radionuclides 43Sc, 44g/mSc, and 47Sc can be produced cost-effectively in sufficient yield for medical research and applications by irradiating natTi and natV target materials with protons. Maximizing the production yield of the therapeutic 47Sc in the highest cross section energy range of 24–70 MeV results in the co-production of long-lived, high-γ-ray-energy 46Sc and 48Sc contaminants if one does not use enriched target materials. [...]
2024 - 28 p.
- Published in : Pharmaceuticals 17 (2024) 390
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3.
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Benchmark evaluation of a single frequency continuous wave OPO seeded pulsed dye amplifier for high-resolution laser spectroscopy
/ Urquiza-González, M (Unlisted, DE) ; Au, M (CERN ; Mainz U.) ; Bernerd, C (Leuven U.) ; Bissell, M (Manchester U.) ; van den Borne, B (Leuven U.) ; Chrysalidis, K (CERN) ; Cocolios, T E (Leuven U.) ; Fedosseev, V N (CERN) ; Flanagan, K T (Manchester U.) ; Garcia Ruiz, R G (MIT) et al.
The study of the atomic spectrum via resonant laser excitation provides access to underlying effects caused by the nuclear structure, which is of special interest in short-lived radioisotopes produced at Isotope Separator On-Line (ISOL) facilities. Current implementations of resonant laser ionization techniques often limit the extraction of the nuclear observables due to the low spectral resolution of the pulsed laser systems deployed. [...]
2023
- Published in : Proc. SPIE 12399 (2023) 123990M
In : 26th Solid State Lasers XXXII: Technology and Devices (SPIE LASE), San Fancisco, CA, USA, 28 Jan - 3 Feb 2023, pp.123990M
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4.
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Characterization of the field ionization extension for the laser ion source and trap: Measurement of the ionization potential of ytterbium
/ Kaja, Magdalena (Mainz U., Inst. Phys.) ; Studer, Dominik ; Heinke, Reinhard (CERN) ; Kieck, Tom (Darmstadt, GSI ; Helmholtz Inst., Mainz) ; Wendt, Klaus (Mainz U., Inst. Phys.)
We report on the development and application of the Field Ionization Laser Ion Source and Trap (FI-LIST) at the RISIKO mass separator at Mainz University. The FI-LIST is an adaptation of the well-established LIST unit developed at Mainz and successfully adapted to CERN-ISOLDE. [...]
2023 - 7 p.
- Published in : Nucl. Instrum. Methods Phys. Res., B 547 (2024) 165213
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First on-line application of the high-resolution spectroscopy laser ion source PI-LIST at ISOLDE
/ Heinke, Reinhard (CERN) ; Au, Mia (CERN ; Mainz U.) ; Bernerd, Cyril (CERN ; Leuven U.) ; Chrysalidis, Katerina (CERN) ; Cocolios, Thomas E (Leuven U.) ; Fedosseev, Valentin N (CERN) ; Hendriks, Isabel (CERN ; Lund U. (main)) ; Jaradat, Asar A H (CERN) ; Kaja, Magdalena (Mainz U., Inst. Phys.) ; Kieck, Tom (Darmstadt, GSI ; Helmholtz Inst., Mainz) et al.
We report on the development, characterization, and first application of a specialized resonance ionization laser ion source for high-resolution spectroscopy applications below usual hot cavity Doppler broadening limitations, for on-line experiments at CERN-ISOLDE. The new PI-LIST ion source comprises perpendicular laser/atom beam interaction in a radio-frequency quadrupole unit directly downstream the hot atomizer cavity. [...]
2023 - 5 p.
- Published in : Nucl. Instrum. Methods Phys. Res., B 541 (2023) 8-12
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In : 19th International Conference on Electromagnetic Isotope Separators and Related Topics (EMIS 2022), Daejeon, Korea, 3 - 7 Oct 2022, pp.8-12
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6.
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Nuclear moments and isotope shifts of the actinide isotopes Cf249–253 probed by laser spectroscopy
/ Weber, Felix (Mainz U., Inst. Phys.) ; Albrecht-Schönzart, Thomas E (Florida State U.) ; Allehabi, Saleh O (New South Wales U.) ; Berndt, Sebastian (Mainz U., Inst. Phys. ; Mainz U.) ; Block, Michael (Darmstadt, GSI ; Mainz U. ; Helmholtz Inst., Mainz) ; Dorrer, Holger (Mainz U.) ; Düllmann, Christoph E (Darmstadt, GSI ; Mainz U. ; Helmholtz Inst., Mainz) ; Dzuba, Vladimir A (New South Wales U.) ; Ezold, Julie G (Oak Ridge) ; Flambaum, Victor V (New South Wales U.) et al.
We report on high-resolution laser spectroscopy studies on Cf249–253 with spectral linewidths in the order of 100 MHz carried out at the RISIKO mass separator at Mainz University. In total three atomic ground-state transitions were investigated and the hyperfine parameters for the odd-A isotopes and isotope shift for all examined isotopes have been determined from the measured spectra. [...]
2023 - 10 p.
- Published in : Phys. Rev. C 107 (2023) 034313
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Atomic spectroscopy studies of short-lived isotopes and nuclear isomer separation with the ISOLDE RILIS
/ Fedosseev, VN ; Köster, U ; Weissman, L ; Mishin, VI ; Fedorov, DV ; Seliverstov, MD ; Horn, R ; Huber, G ; Lassen, J ; Wendt, K
CERN-PS-2002-064-PP.-
Geneva : CERN, 2002 - 6 p.
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8.
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The Electron Capture in $^{163}$Ho Experiment - a Short Update
/ Kovac, Neven (Kirchhoff Inst. Phys.) ; Ahrens, Felix (Kirchhoff Inst. Phys.) ; Barth, Arnulf (Kirchhoff Inst. Phys.) ; Berndt, Sebastian (Mainz U. ; Mainz U., Inst. Phys.) ; Blaum, Klaus (Heidelberg, Max Planck Inst.) ; Brass, Martin (U. Heidelberg, ITP) ; Bruer, Erik (Kirchhoff Inst. Phys.) ; Door, Menno (Heidelberg, Max Planck Inst.) ; Dorrer, Holger (Mainz U.) ; Düllmann, Christoph (Mainz U.) et al.
The definition of the absolute neutrino mass scale is one of the main goals of the Particle Physics today.
The study of the end-point regions of the $\beta$- and electron capture (EC) spectrum offers a possibility to determine the effective electron (anti-)neutrino mass in a completely model independent way, as it only relies on the energy and momentum conservation. [...]
2022 - 4 p.
- Published in : PoS EPS-HEP2021 (2022) 211
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In : European Physics Society conference on High Energy Physics 2021, Online, Online, 26 - 30 Jul 2021, pp.211
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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
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Measurement of the laser resonance ionization efficiency for lutetium
/ Gadelshin, Vadim Maratovich (Mainz U. ; Ekaterinburg, Inst. Metal Phys.) ; Heinke, Reinhard (Mainz U., Inst. Phys.) ; Kieck, Tom (Mainz U., Inst. Phys.) ; Kron, Tobias (Mainz U., Inst. Phys.) ; Naubereit, Pascal (Mainz U., Inst. Phys.) ; Rösch, Frank (Mainz U., Inst. Phys.) ; Stora, Thierry (CERN) ; Studer, Dominik (Mainz U., Inst. Phys.) ; Wendt, Klaus (Mainz U., Inst. Phys.)
The development of a highly efficient resonance ionization scheme for lutetium is presented. A laser ion source, based on the all-solid-state Titanium:sapphire laser system, was used at the 30 keV RISIKO off-line mass separator to characterize different possible optical excitation schemes in respect to their ionization efficiency. [...]
2019 - 9 p.
- Published in : Radiochim. Acta 107 (2019) 653-661
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