CERN Accelerating science


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Investigation of Low-lying States in $^{133}$Sn Populated in the $\beta $ Decay of $^{133}$In Using Isomer-selective Laser Ionization / IS610 Collaboration
- Published in : Acta Physica Polonica B49 (2018) 523

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$\beta$ decay of $^{133}$In : $\gamma$ emission from neutron-unbound states in $^{133}$Sn / IS610 Collaboration
- Published in : Physical Review C99 (2019) 024304

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Enhanced Quadrupole and Octupole Strength in Doubly Magic $^{132}$Sn / Rosiak, D. (Cologne U.) ; Seidlitz, M. (Cologne U.) ; Reiter, P. (Cologne U.) ; Naïdja, H. (Constantine U. ; Strasbourg, IPHC) ; Tsunoda, Y. (Tokyo U., CNS) ; Togashi, T. (Tokyo U., CNS) ; Nowacki, F. (Strasbourg, IPHC) ; Otsuka, T. (Michigan State U., NSCL ; KU Leuven, Dept. Phys. Astron. ; Tokyo U., CNS ; Tokyo U.) ; Colò, G. (INFN, Milan ; Milan U.) ; Arnswald, K. (Cologne U.) et al. /MINIBALL ; HIE-ISOLDE
The first $2^+$ and $3^-$ states of the doubly magic nucleus $^{132}$Sn are populated via safe Coulomb excitation employing the recently commissioned HIE-ISOLDE accelerator at CERN in conjunction with the highly efficient MINIBALL array. The $^{132}$Sn ions are accelerated to an energy of 5.49  MeV/nucleon and impinged on a $^{206}$Pb target. [...]
2018-12-18 - 6 p. - Published in : 10.1103/PhysRevLett.121.252501 Fulltext: PDF;

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Determination of the first ionization energy of polonium by resonance ionization spectroscopy – Part II: Measurement of odd-parity Rydberg states at CERN–ISOLDE / Fink, D A (CERN) ; Blaum, K ; Fedosseev, V N (CERN) ; Marsh, B A ; Rossel, R E (CERN) ; Rothe, S (CERN)
Polonium (Po) is one of the rarest elements in Earth's crust. None of its isotopes are stable and sufficient amounts for systematic experimental studies of its most fundamental properties are only available by artificial production. [...]
- Published in : 10.1016/j.sab.2018.08.004

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A new beamline for laser spin-polarization at ISOLDE / Gins, W. (Leuven U.) ; Harding, R.D. (CERN ; York U., England) ; Baranowski, M. (Mickiewicz U., Poznan) ; Bissell, M.L. (Manchester U.) ; Garcia Ruiz, R.F. (Leuven U.) ; Kowalska, M. (CERN) ; Neyens, G. (Leuven U. ; CERN) ; Pallada, S. (CERN) ; Severijns, N. (Leuven U.) ; Velten, Ph. (Leuven U.) et al.
A beamline dedicated to the production of laser-polarized radioactive beams has been constructed at ISOLDE, CERN. We present here different simulations leading to the design and construction of the setup, as well as technical details of the full setup and examples of the achieved polarizations for several radioisotopes [...]
arXiv:1809.04385.- 2019-05-01 - 9 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 925 (2019) 24-32 Fulltext: PDF; Fulltext from Publisher: PDF;

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Precision Mass Measurement of $^{58-63}$Cr: Nuclear Collectivity towards the $N=40$ Island of Inversion / Mougeot, M. (CSNSM, Orsay) ; Atanasov, D. (Heidelberg, Max Planck Inst.) ; Blaum, K. (Heidelberg, Max Planck Inst.) ; Chrysalidis, K. (CERN) ; Day Goodacre, T. (CERN ; Manchester U.) ; Fedorov, D. (St. Petersburg, INP) ; Fedosseev, V. (CERN) ; George, S. (Heidelberg, Max Planck Inst.) ; Herfurth, F. (Darmstadt, GSI) ; Holt, J.D. (TRIUMF) et al.
The neutron-rich isotopes $^{58-63}$Cr were produced for the first time at the ISOLDE facility and their masses were measured with the ISOLTRAP spectrometer. The new values are up to 300 times more precise than those in the literature and indicate significantly different nuclear structure from the new mass-surface trend. [...]
arXiv:1808.03997.- 2018-08-12 - 6 p. - Published in : Phys. Rev. Lett. 120 (2018) 232501 Fulltext: PDF;

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Potassium self-diffusion in a K-rich single-crystal alkali feldspar / Hergemöller, Fabian ; Wegner, Matthias ; Deicher, Manfred ; Wolf, Herbert ; Brenner, Florian ; Hutter, Herbert ; Abart, Rainer ; Stolwijk, Nicolaas A.
The paper reports potassium diffusion measurements performed on gem-quality single-crystal alkali feldspar in the temperature range from 1169 to 1021 K. Natural sanidine from Volkesfeld, Germany was implanted with {}^{43}K at the ISOLDE/CERN radioactive ion-beam facility normal to the (001) crystallographic plane [...]
- Published in : Physics and Chemistry of Minerals 44 (2017) 345-351 arXiv:1701.02884: PDF;

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Mass-selective ion ejection from multi-reflection time-of-flight devices via a pulsed in-trap lift / Wienholtz, F (Greifswald U. ; CERN) ; Kreim, S (CERN ; Heidelberg, Max Planck Inst.) ; Rosenbusch, M (Greifswald U.) ; Schweikhard, L (Greifswald U.) ; Wolf, R N (Heidelberg, Max Planck Inst.)
A method for high-resolution mass selection is presented which makes use of a multi-reflection time-of-flight mass spectrometer with in-trap lift. The new method needs no additional gating or deflection components. [...]
2017 - 9 p. - Published in : Int. J. Mass Spectrometry 421 (2017) 285-293

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Binding Energy of $^{79}\mathrm{Cu}$: Probing the Structure of the Doubly Magic $^{78}\mathrm{Ni}$ from Only One Proton Away / Welker, A (Dresden, Tech. U. ; CERN) ; Althubiti, N  A  S (Manchester U.) ; Atanasov, D (Heidelberg, Max Planck Inst.) ; Blaum, K (Heidelberg, Max Planck Inst.) ; Cocolios, T  E (Leuven U.) ; Herfurth, F (Darmstadt, GSI) ; Kreim, S (Heidelberg, Max Planck Inst.) ; Lunney, D (CSNSM, Orsay) ; Manea, V (CERN ; Heidelberg, Max Planck Inst.) ; Mougeot, M (CSNSM, Orsay) et al.
The masses of the neutron-rich copper isotopes Cu75–79 are determined using the precision mass spectrometer ISOLTRAP at the CERN-ISOLDE facility. The trend from the new data differs significantly from that of previous results, offering a first accurate view of the mass surface adjacent to the Z=28, N=50 nuclide Ni78 and supporting a doubly magic character. [...]
2017 - 6 p. - Published in : Phys. Rev. Lett. 119 (2017) 192502 Fulltext: PDF;

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Neodymium-140 DOTA-LM3: Evaluation of an In Vivo Generator for PET with a Non-Internalizing Vector / IS528 Collaboration
140Nd (t1/2 = 3.4 days), owing to its short-lived positron emitting daughter 140Pr (t1/2 = 3.4 min), has promise as an in vivo generator for positron emission tomography (PET). However, the electron capture decay of 140Nd is chemically disruptive to macrocycle-based radiolabeling, meaning that an in vivo redistribution of the daughter 140Pr is expected before positron emission. [...]
2017 - Published in : Front. Med. 4 (2017) 98

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