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CERN Document Server Pronađeno je 309 zapisa  1 - 10slijedećikraj  idi na zapis: Pretraživanje je potrajalo 0.63 sekundi 
1.
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 Fulltext: PDF;
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2.
Compton imaging for enhanced sensitivity (n,γ) cross section TOF experiments: Status and prospects / n_TOF Collaboration
Radiative neutron-capture cross sections are of pivotal importance in many fields such as nucle-osynthesis studies or innovative reactor technologies. A large number of isotopes have been measured with high accuracy, but there are still a large number of relevant isotopes whose cross sections could not be experimentally determined yet, at least with sufficient accuracy and completeness, owing to limitations in detection techniques, sample production methods or in the facilities themselves.In the context of the HYMNS (High-sensitivitY Measurements of key stellar Nucleo-Synthesis reactions) project over the last six years we have developed a novel detection technique aimed at background suppression in radiative neutron-capture time-of-flight measurements. [...]
2023 - 5 p. - Published in : EPJ Web Conf. 284 (2023) 01018 Fulltext: PDF;
In : 15th International Conference on Nuclear Data for Science and Technology, Online, 21 - 29 Jul 2022, pp.01018
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3.
Shedding Light on the Origin of Pb204, the Heaviest s-Process–Only Isotope in the Solar System / n_TOF Collaboration
Asymptotic giant branch stars are responsible for the production of most of the heavy isotopes beyond Sr observed in the solar system. Among them, isotopes shielded from the r-process contribution by their stable isobars are defined as s-only nuclei. [...]
2024 - 8 p. - Published in : Phys. Rev. Lett. 133 (2024) 052702 Fulltext: PDF;
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4.
Charge radii of thallium isotopes near the N=126 shell closure / IDS Collaboration
The changes in the mean-squared charge radius of Tlg209 (N=128) and Tlm207 (N=126) relative to Tl205 have been measured for the first time using the in-source laser resonance-ionization spectroscopy technique with the Laser Ion Source and Trap (LIST) at ISOLDE (CERN). The application of the LIST suppresses the dominant background from isobaric francium isotopes and allows access to thallium nuclides with A⩾207. [...]
2024 - 9 p. - Published in : Phys. Rev. C 110 (2024) 034315 Fulltext: PDF;
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5.
Radiative Decay of the $^{229m}$Th Nuclear Clock Isomer in Different Host Materials / Pineda, S.V. (Leuven U.) ; Chhetri, P. (Leuven U. ; Mainz U.) ; Bara, S. (Leuven U.) ; Elskens, Y. (Leuven U.) ; Casci, S. (Leuven U.) ; Alexandrova, A.N. (UCLA, Los Angeles (main)) ; Au, M. (CERN) ; Athanasakis-Kaklamanakis, M. (Leuven U. ; CERN ; Imperial Coll., London) ; Bartokos, M. (Vienna, Tech. U., Atominst.) ; Beeks, K. (Ecole Polytechnique, Lausanne) et al.
A comparative vacuum ultraviolet spectroscopy study conducted at ISOLDE-CERN of the radiative decay of the $^{229m}$Th nuclear clock isomer embedded in different host materials is reported. [...]
arXiv:2408.12309. - 13.
Fulltext
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6.
Diffusion of $^6$Li in Tantalum and Tungsten Studied by the Neutron Depth Profiling Technique / Vacik, J (Rez, Nucl. Phys. Inst.) ; Köster, U (CERN) ; Hnatowicz, V (Rez, Nucl. Phys. Inst.) ; Cervena, J (Rez, Nucl. Phys. Inst.) ; Pasold, G (Jena U.)
Diffusion of $^6$Li in the refractory metals Ta and W has been studied using thenondestructive neutron depth profiling technique. The preliminary results point out the complex behavior of $^6$Li atoms in W and Ta. [...]
2005 - 6 p. - Published in : Defect Diff. Forum 237-240 (2005) 485-490
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7.
Terbium-149 production: a focus on yield and quality improvement towards preclinical application / Favaretto, C (Basel U. ; PSI, Villigen) ; Grundler, P V (PSI, Villigen) ; Talip, Z (PSI, Villigen) ; Köster, U (Laue-Langevin Inst. ; CERN) ; Johnston, K (CERN) ; Busslinger, S D (PSI, Villigen) ; Sprung, P (PSI, Villigen) ; Hillhouse, C C (PSI, Villigen) ; Eichler, R (PSI, Villigen ; Bern U.) ; Schibli, R (PSI, Villigen ; Zurich, ETH) et al.
Terbium-149 (T$_{1/2}$ = 4.1 h, E$_{α}$ = 3.98 MeV (16.7%), 28 µm range in tissue) is a radionuclide with potential for targeted alpha therapy. Due to the negligible emission of α-emitting daughter nuclides, toxicity to healthy tissue may be reduced in comparison with other α-particle emitters. [...]
2024 - 12 p. - Published in : Sci. Rep. 14 (2024) 3284 Fulltext: PDF;
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8.
The neutron time-of-flight facility n_TOF at CERN Recent facility upgrades and detector developments / n_TOF Collaboration
Based on an idea by Carlo Rubbia, the n_TOF facility at CERN has been operating for over 20 years. It is a neutron spallation source, driven by the 20 GeV/c proton beam from the CERN PS accelerator. [...]
2023 - 11 p. - Published in : J. Phys. : Conf. Ser. 2586 (2023) 012150 Fulltext: PDF;
In : 28th International Nuclear Physics Conference (INPC 2022), Cape Town, South Africa, 11 - 16 Sep 2022, pp.012150
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9.
Production of $^{{129} \textrm{m}}$Xe and $^{{131} \textrm{m}}$Xe via neutron activation of $^{128}$Xe and $^{130}$Xe at ILL-RHF and NCBJ-MARIA high-flux reactors / Chojnacki, M (CERN ; Geneva U.) ; Kulesz, K (CERN ; Geneva U.) ; Michelon, I (CERN ; INFN, Padua) ; Azaryan, N (CERN ; Mickiewicz U., Poznan) ; Barbero, E (CERN) ; Crepieux, B (CERN) ; Lica, R (CERN ; Bucharest, IFIN-HH) ; Murawski, Ł (NCBJ, Swierk) ; Ziemba, M (NCBJ, Swierk) ; Piersa-Siłkowska, M (CERN) et al.
The long-lived xenon isomers $^{{129} \textrm{m}}$Xe and $^{{131} \textrm{m}}$Xe are of interest for the GAMMA-MRI project, which aims at developing a novel imaging modality based on magnetic resonance of polarized unstable tracers. Here, we present the steps leading to and following the production of these two isomers via neutron irradiation of highly-enriched  $^{128}$Xe and $^{130}$Xe gas samples at two high-flux reactors, the High-Flux Reactor (Réacteur à haut flux, RHF) at the Institut Laue-Langevin (ILL) and the MARIA reactor at the National Centre for Nuclear Research (NCBJ). [...]
2024 - 8 p. - Published in : Appl. Radiat. Isot. 205 (2024) 111174 Fulltext: PDF;
Detaljnije - Slični zapisi
10.
Magnetic moments of thallium isotopes in the vicinity of magic N = 126 / ISXXX Collaboration
- Published in : Physics Letters B849 (2024) 138452 Fulltext: PDF;
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CERN Document Server : Pronađeno je 309 zapisa   1 - 10slijedećikraj  idi na zapis:
Također vidi: slična imena autora
266 Koster, U
26 Koster, U.
45 Koster, Ulli
266 Köster, U
45 Köster, Ulli
1 Köster, Ulrich
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