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CERN Accelerating science

ISOLDE Papers

Ultimi arrivi:
2021-04-02
06:35
HI-TREX—A highly integrated transfer setup at REX-(HIE)ISOLDE / Berner, C (Munich, Tech. U.) ; Werner, L (Munich, Tech. U.) ; Gernhäuser, R (Munich, Tech. U.) ; Kröll, Th (Darmstadt, Tech. U.)
Transfer reactions are a unique tool to populate and probe the structure of nuclei. Due to its unprecedented capabilities in producing and accelerating exotic nuclei, the HIE-ISOLDE facility at CERN provides an excellent opportunity for transfer experiments using radioactive ion beams. [...]
2020 - 10 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 987 (2021) 164827

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2021-04-02
06:35
Nuclear structure of $^{181}$Au studied via $\beta^+$/EC decay of $^{181}$Hg at ISOLDE / Sedlák, M (Bratislava, Inst. Phys.) ; Venhart, M (Bratislava, Inst. Phys.) ; Wood, J L (Bratislava, Inst. Phys.) ; Matoušek, V (Bratislava, Inst. Phys.) ; Balogh, M (Bratislava, Inst. Phys.) ; Boston, A J (Liverpool U.) ; Cocolios, T E (Liverpool U.) ; Harkness-Brennan, L J (Liverpool U.) ; Herzberg, R D (Liverpool U.) ; Joss, D T (Liverpool U.) et al.
The $\beta ^+$/EC decay of mass separated samples of $^{181}$Hg was studied employing the TATRA spectrometer at the ISOLDE facility at CERN. The decay scheme was constructed for the first time. [...]
2020 - 10 p. - Published in : Eur. Phys. J. A 56 (2020) 161

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2021-01-22
04:13
Magnetic Moments of Short-Lived Nuclei with Part-per-Million Accuracy: Toward Novel Applications of $\beta$-Detected NMR in Physics, Chemistry, and Biology / Harding, R.D. (CERN ; York U., England ; U. Nottingham) ; Pallada, S. (CERN) ; Croese, J. (CERN ; Geneva U.) ; Antušek, A. (Slovak Tech. U.) ; Baranowski, M. (Mickiewicz U., Poznan) ; Bissell, M.L. (Manchester U.) ; Cerato, L. (U. Geneva (main)) ; Dziubinska-Kühn, K.M. (CERN ; U. Leipzig (main)) ; Gins, W. (Leuven U.) ; Gustafsson, F.P. (Leuven U.) et al.
We determine for the first time the magnetic dipole moment of a short-lived nucleus with part-per-million (ppm) accuracy. To achieve this two orders of magnitude improvement over previous studies, we implement a number of innovations into our $\beta$-detected Nuclear Magnetic Resonance ($\beta$-NMR) setup at ISOLDE/CERN. [...]
arXiv:2004.02820.- 2020-12-29 - 15 p. - Published in : Phys. Rev. X 10 (2020) 041061 Fulltext: PDF; Fulltext from Publisher: PDF;

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2021-01-07
18:08
The origin of the elements and other implications of gravitational wave detection for nuclear physics / Lunney, David /ISOLTRAP Collaboration
The neutron-star collision revealed by the event GW170817 gave us a first glimpse of a possible birthplace of most of our heavy elements. The multi-messenger nature of this historical event combined gravitational waves, a gamma-ray burst and optical astronomy of a “kilonova”, bringing the first observations of rapid neutron capture (r process) nucleosynthesis after 60 years of speculation. [...]
- Published in : 4open 3 (2020) 14 Fulltext: PDF;

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2020-11-20
04:08
Nuclear Moments of Germanium Isotopes around $N$ = 40 / Kanellakopoulos, A. (Leuven U.) ; Yang, X.F. (Peking U., SKLNPT ; Leuven U.) ; Bissell, M.L. (Manchester U.) ; Reitsma, M.L. (Groningen U.) ; Bai, S.W. (Peking U., SKLNPT) ; Billowes, J. (Manchester U.) ; Blaum, K. (Heidelberg, Max Planck Inst.) ; Borschevsky, A. (Groningen U.) ; Cheal, B. (Liverpool U.) ; Devlin, C.S. (Liverpool U.) et al.
Collinear laser spectroscopy measurements were performed on $^{69,71,73}$Ge isotopes ($Z = 32$) at ISOLDE-CERN. The hyperfine structure of the $4s^2 4p^2 \, ^3P_1 \rightarrow 4s^2 4p 5s \, ^3P_1^o$ transition of the germanium atom was probed with laser light of 269 nm, produced by combining the frequency-mixing and frequency-doubling techniques. [...]
arXiv:2011.01659.- 2020-11-30 - 10 p. - Published in : Phys. Rev. C 102 (2020) 054331 Fulltext: PDF; Fulltext from publisher: PDF;

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2020-08-19
12:56
Detailed spectroscopy of doubly magic $^{132}$Sn / IS610 Collaboration
The structure of the doubly magic $^{132}_{50}$Sn$_{82}$ has been investigated at the ISOLDE facility at CERN, populated both by the $\beta^-$ decay of $^{132}$In and $\beta^-$-delayed neutron emission of $^{133}$In. The level scheme of $^{132}$Sn is greatly expanded with the addition of 68 $\gamma$ transitions and 17 levels observed for the first time in the $\beta$ decay. [...]
arXiv:2007.03029.- 2020-07-30 - 18 p. - Published in : Physical Review C 102 (2020) 014328 Fulltext: PDF;

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2020-08-19
12:42
Decay studies of the long-lived states in $^{186}$Tl / IDS Collaboration
Decay spectroscopy of the long-lived states in $^{186}$Tl has been performed at the ISOLDE Decay Station at ISOLDE, CERN. The $\alpha$ decay from the low-spin ($2^−$) state in $^{186}$Tl was observed for the first time and a half-life of 3.4$^{+0.5}_{−0.4}$ s was determined. [...]
arXiv:2006.02161.- 2020-08-19 - 9 p. - Published in : Physical Review C 102 (2020) 024322 Fulltext: 2006.02161 - PDF; PhysRevC.102.024322 - PDF;

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2020-06-12
17:14
Structural trends in atomic nuclei from laser spectroscopy of tin / Yordanov, Deyan T. (Orsay, IPN ; CERN) ; Rodríguez, Liss V. (Orsay, IPN ; Heidelberg, Max Planck Inst.) ; Balabanski, Dimiter L. (ELI-NP, Bucharest) ; Bieroń, Jacek (Jagiellonian U.) ; Bissell, Mark L. (Manchester U.) ; Blaum, Klaus (Heidelberg, Max Planck Inst.) ; Cheal, Bradley (Liverpool U.) ; Ekman, Jörgen (Malmo U.) ; Gaigalas, Gediminas (Vilnius U.) ; Garcia Ruiz, Ronald F. (CERN ; MIT) et al.
Tin is the chemical element with the largest number of stable isotopes. Its complete proton shell, comparable with the closed electron shells in the chemically inert noble gases, is not a mere precursor to extended stability; since the protons carry the nuclear charge, their spatial arrangement also drives the nuclear electromagnetism [...]
2020 - 9 p. - Published in : Commun. Phys. 3 (2020) 107 Accepted Author Manuscript: PDF; Fulltext from Publisher: PDF;

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2020-02-12
05:04
Evolution of Octupole Deformation in Radium Nuclei from Coulomb Excitation of Radioactive $^{222}\mathrm{Ra}$ and $^{228}\mathrm{Ra}$ Beams / Butler, P.A. (U. Liverpool (main)) ; Gaffney, L.P. (U. Liverpool (main) ; CERN) ; Spagnoletti, P. (Paisley U.) ; Abrahams, K. (Western Cape U.) ; Bowry, M. (Paisley U. ; TRIUMF) ; Cederkäll, J. (Lund U.) ; de Angelis, G. (INFN, Legnaro) ; De Witte, H. (Leuven U.) ; Garrett, P.E. (Guelph U.) ; Goldkuhle, A. (Cologne U.) et al.
There is sparse direct experimental evidence that atomic nuclei can exhibit stable pear shapes arising from strong octupole correlations. In order to investigate the nature of octupole collectivity in radium isotopes, electric octupole ($E3$) matrix elements have been determined for transitions in $^{222,228}$Ra nuclei using the method of sub-barrier, multi-step Coulomb excitation. [...]
arXiv:2001.09681.- 2020-02-01 - 6 p. - Published in : Phys. Rev. Lett. 124 (2020) 042503 Fulltext: PDF;

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2020-02-12
05:04
First glimpse of the $N=82$ shell closure below $Z=50$ from masses of neutron-rich cadmium isotopes and isomers / Manea, V. (CERN ; Heidelberg, Max Planck Inst. ; Leuven U.) ; Karthein, J. (CERN ; Heidelberg, Max Planck Inst.) ; Atanasov, D. (Dresden, Tech. U.) ; Bender, M. (IP2I, Lyon) ; Blaum, K. (Heidelberg, Max Planck Inst.) ; Cocolios, T.E. (Leuven U.) ; Eliseev, S. (Heidelberg, Max Planck Inst.) ; Herlert, A. (FAIR, Darmstadt) ; Holt, J.D. (TRIUMF) ; Huang, W.J. (CSNSM, Orsay) et al.
We probe the $N=82$ nuclear shell closure by mass measurements of neutron-rich cadmium isotopes with the ISOLTRAP spectrometer at ISOLDE-CERN. The new mass of $^{132}$Cd offers the first value of the $N=82$, two-neutron shell gap below $Z=50$ and confirms the phenomenon of mutually enhanced magicity at $^{132}$Sn. [...]
arXiv:2001.05075.- 2020-03-05 - 6 p. - Published in : Phys. Rev. Lett. 124 (2020) 092502 Fulltext: PhysRevLett.124.092502 - PDF; 2001.05075 - PDF;

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