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ISOLDE Papers

Derniers ajouts:
2021-05-06
16:33
Lattice sites of implanted Na in GaN and AlN in comparison to other light alkalis and alkaline earths / Wahl, Ulrich (Universidade de Lisboa (PT)) ; David Bosne, Eric (Universidade de Lisboa (PT)) ; Amorim, Lígia (KU Leuven) ; Granadeiro Costa, Angelo Rafael (Universidade de Lisboa (PT)) ; De Vries, Bart (KU Leuven) ; Martins Correia, Joao (Universidade de Lisboa (PT)) ; da Silva, Manuel Ribeiro (CICECO Aveiro) ; Da Costa Pereira, Lino Miguel (KU Leuven (BE)) ; Vantomme, André (KU Leuven) /IS634 Collaboration
The lattice location of ion implanted radioactive 24Na (t1/2=14.96 h) in GaN and AlN was determined using the emission channeling technique at the ISOLDE/CERN facility. In the room temperature as-implanted state in both GaN and AlN, the majority of the sodium atoms are found on interstitial sites near the octahedral position, with a minority on cation Ga or Al substitutional sites. [...]
CERN-ISOLDE-2021-003.- 2021 - 12 p. - Published in : J. Appl. Phys. 128 (2020) 045703 Postprint: PDF; Supplemental Material: PDF;

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2021-05-06
16:10
Direct Structural Identification and Quantification of the Split-Vacancy Configuration for Implanted Sn in Diamond / Wahl, Ulrich (Universidade de Lisboa (PT)) ; Martins Correia, Joao (Universidade de Lisboa (PT)) ; Villarreal, Renan (KU Leuven) ; Bourgeois, Emilie (Hasselt University) ; Gulka, Michal (Hasselt University) ; Nesladek, Milos (Hasselt University) ; Vantomme, André (KU Leuven) ; Da Costa Pereira, Lino Miguel (KU Leuven (BE)) /EC-SLI Collaboration ; IS368 Collaboration
We demonstrate formation of the ideal split-vacancy configuration of the Sn-vacancy center upon implantation into natural diamond. Using beta-emission channeling following low fluence 121Sn implantation (2E12 atoms/cm2, 60 keV) at the ISOLDE facility at CERN, we directly identified and quantified the atomic configurations of the Sn-related centers. [...]
CERN-ISOLDE-2021-002.- 2021 - 7 p. - Published in : Phys. Rev. Lett. 125 (2020) 045301 Postprint: PDF; Supplemental material: PDF;

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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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