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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.
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Observation of the radiative decay of the ${}^{229}\mathrm{Th}$ nuclear clock isomer
/ Kraemer, Sandro (Leuven U. ; LMU Munich (main)) ; Moens, Janni (Leuven U.) ; Athanasakis-Kaklamanakis, Michail (Leuven U. ; CERN) ; Bara, Silvia (Leuven U.) ; Beeks, Kjeld (Vienna, Tech. U., Atominst.) ; Chhetri, Premaditya (Leuven U.) ; Chrysalidis, Katerina (CERN) ; Claessens, Arno (Leuven U.) ; Cocolios, Thomas E. (Leuven U.) ; Correia, João G.M. (Lisbon U.) et al.
The nucleus of the radioisotope thorium-229 (${}^{229}$Th) features an isomer with an exceptionally low excitation energy that enables direct laser manipulation of nuclear states. For this reason, it is a leading candidate for use in next-generation optical clocks. [...]
arXiv:2209.10276.-
2023-05-24 - 15 p.
- Published in : Nature 617 (2023) 706–710
Fulltext: PDF;
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New Horizons: Scalar and Vector Ultralight Dark Matter
/ Antypas, D. (Mainz U. ; Helmholtz Inst., Mainz) ; Banerjee, A. (Weizmann Inst.) ; Bartram, C. (Washington U., Seattle) ; Baryakhtar, M. (Washington U., Seattle) ; Betz, J. (U. Delaware, Newark) ; Bollinger, J.J. (NIST, Boulder) ; Boutan, C. (PNL, Richland) ; Bowring, D. (Fermilab) ; Budker, D. (Helmholtz Inst., Mainz ; Mainz U. ; UC, Berkeley) ; Carney, D. (LBL, Berkeley) et al.
The last decade has seen unprecedented effort in dark matter model building at all mass scales coupled with the design of numerous new detection strategies. [...]
arXiv:2203.14915 ; FERMILAB-PUB-22-262-AD-PPD-T.
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Fermilab Library Server - eConf - Fulltext - Fulltext
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Study of the radiative decay of the low-energy isomer in $^{229}$Th
/ Chhetri, Premaditya (KU Leuven) ; Bara, Silvia (KU Leuven) ; Beeks, Kjeld (TU Wein) ; Bernerd, Cyril (KU Leuven, CERN) ; Block, Michael (GSI Darmstadt, HIM Mainz, University of Mainz) ; Claessens, Arno (KU Leuven) ; Cocolios, Thomas Elias (KU Leuven) ; Martins Correia, João Guilherme (Universidade de Lisboa) ; Granadeiro Costa, Angelo Rafael (KU Leuven) ; Cottenier, Stefaan (Ghent University) et al.
CERN-INTC-2022-017 ; INTC-P-628.
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2022.
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New results on the laser-accessible nuclear transition in Thorium-229
/ Schumm, Thorsten (speaker) (TU Wien, AT)
The radio isotope Thorium-229 is expected to present a remarkably low-energy excited (isomer) state of the nucleus which is expected around 10 eV. It might hence be possible to directly excite the atomic nucleus with UV (laser) radiation, creating a bridge between atomic and nuclear physics [...]
2020 - 3878.
CERN Colloquium
External link: Event details
In : New results on the laser-accessible nuclear transition in Thorium-229
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Study of the radiative decay of the low-energy isomer in ${}^{229}$Th
/ Kraemer, Sandro (Institute for Nuclear and Radiation Physics, KU Leuven, Belgium) ; Beeks, Kjeld (Institute of Atomic and Subatomic Physics, Vienna University of Technology, Austria) ; Block, Michael (GSI Helmholtzzentrum für Schwerionenforschung, Germany) ; Cocolios, Thomas (Institute for Nuclear and Radiation Physics, KU Leuven, Belgium) ; Correia, Guilherme (ISOLDE-CERN, Switzerland) ; Cottenier, Stefaan (Center for Molecular Modelling, Ghent University, Belgium) ; De Witte, Hilde (Institute for Nuclear and Radiation Physics, KU Leuven, Belgium) ; Dockx, Kristof (Institute for Nuclear and Radiation Physics, KU Leuven, Belgium) ; Ferrer, Rafael (Institute for Nuclear and Radiation Physics, KU Leuven, Belgium) ; Geldhof, Sarina (Department of Physics, University of Jyväskylä, Finland) et al.
CERN-INTC-2020-020 ; INTC-P-548.
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Dual-Species Quantum Degeneracy of $^{40}K$ and $^{87}Rb$ on an Atom Chip
/ Extavour, M H T ; LeBlanc, L J ; Schumm, T ; Cieslak, B ; Myrskog, S ; Stummer, A ; Aubin, S ; Thywissen, J H
2006
- Published in : AIP Conf. Proc.: 869 (2006) , pp. 241-249
External link: Published version from AIP
In : 20th International Conference on Atomic Physics: Quantum Optics and Spectroscopy, Innsbruck, Austria, 16 - 21 Jul 2006, pp.241-249
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Analysis from August 1999 BeamTests of a PbWO4 Crystal Matrix
/ Depasse, P (Lyon, IPN) ; Donini, J (Lyon, IPN) ; Ernenwein, J P (Lyon, IPN) ; Fay, J (Lyon, IPN) ; Gascon, S (Lyon, IPN) ; Ille, B (Lyon, IPN) ; Schumm, T (Lyon, IPN) ; Zach, F (Lyon, IPN)
One 6x5 lead tungstate crystal matrix has been tested during the August 1999 SPS test beam period. This note resumes the main results concerning electronic noise, correlated noise, light yield, capsules gain, energy resolution in clusters of 9 crystals, scan in positions. [...]
CMS-NOTE-2000-009.-
Geneva : CERN, 2000
Fulltext: PDF PS.Z;
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ISOLDE PROGRAMME
/ Zakoucky, D et al.
Approved: 19 December 1964.-
Status: Data Taking
External link: Experiment home page
Experiment: ISOLDE
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