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ISOLDE Articles

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2018-05-29
08:13
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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2018-01-25
06:56
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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2017-12-11
10:48
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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2017-11-02
06:23
Bunching and cooling of radioactive ions with REXTRAP / Schmidt, P (Mainz U., Inst. Phys.) ; Ames, F (Mainz U., Inst. Phys.) ; Bollen, G (Munich U.) ; Forstner, O (CERN) ; Huber, G (Mainz U., Inst. Phys.) ; Oinonen, M (CERN) ; Zimmer, J (Heidelberg, Max Planck Inst.) /REX-ISOLDE
The post-accelerator REX-ISOLDE at ISOLDE/CERN will deliver radioactive ion beams with energies up to 2.2 MeV/u. For this purpose, a Penning trap and an electron-beam ion source are combined with a linear accelerator. [...]
2002 - 7 p. - Published in : Nucl. Phys. A 701 (2002) 550-556

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2017-10-17
07:16
Study of the long-lived excited state in the neutron deficient nuclides $^{195,197,199}$Po by precision mass measurement / ISOLTRAP Collaboration
Direct mass measurements of the low-spin $3/2^{(-)}$ and high-spin $13/2^{(+)}$ states in the neutron-deficient isotopes $^{195}$Po, $^{197}$Po, and high-spin $13/2^{(+)}$ state in $^{199}$Po were performed with the Penning-trap mass spectrometer ISOLTRAP at ISOLDE-CERN. These measurements allow the determination of the excitation energy of the isomeric state arising from the $\nu$i$_{13/2}$ orbital in $^{195,197}$Po. [...]
arXiv:1705.03546.- 2017-10-27 - 9 p. - Published in : Phys. Rev. C 96 (2017) 044325 Preprint: PDF;

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2017-09-29
06:23
Laser photodetachment of radioactive $^{128}$I$^−$ / Rothe, Sebastian (CERN) ; Sundberg, Julia (CERN ; U. Gothenburg) ; Welander, Jakob (U. Gothenburg) ; Chrysalidis, Katerina (CERN ; Mainz U., Inst. Phys.) ; Goodacre, Thomas Day (CERN) ; Fedosseev, Valentin (CERN) ; Fiotakis, Spyridon (CERN) ; Forstner, Oliver (U. Jena) ; Heinke, Reinhard (Mainz U., Inst. Phys.) ; Johnston, Karl (CERN) et al.
The first experimental investigation of the electron affinity (EA) of a radioactive isotope has been conducted at the CERN-ISOLDE radioactive ion beam facility. The EA of the radioactive iodine isotope (128)I (t (1/2) = 25 min) was determined to be 3.059 052(38) eV. [...]
2017 - 10 p. - Published in : J. Phys. G 44 (2017) 104003 Fulltext: PDF;

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2017-09-14
10:00
Fast-timing spectroscopy at ISOLDE / Fraile, L M (Madrid U.)
The advanced time-delayed $\beta \gamma \gamma $(t) method has been used at ISOLDE since the relocation of the facility from the synchrocyclotron to the CERN proton synchrotron booster, a quarter of a century ago. The method was designed for precision measurements with low-intensity beams, achieving good efficiency and excellent time resolution with a compact setup. [...]
2017 - 24 p. - Published in : J. Phys. G 44 (2017) 094004 Fulltext: PDF;

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2017-09-14
10:00
Beta decay studies with total absorption spectroscopy and the Lucrecia spectrometer at ISOLDE / Rubio, B (Valencia U., IFIC) ; Gelletly, W (Valencia U., IFIC ; Surrey U.) ; Algora, A (Valencia U., IFIC ; Debrecen, Inst. Nucl. Res.) ; Nacher, E ; Tain, J L (Valencia U., IFIC)
Here we present the experimental activities carried out at ISOLDE with the total absorption spectrometer Lucrecia, a large 4π scintillator detector designed to absorb a full gamma cascade following beta decay. This spectrometer is designed to measure β-feeding to excited states without the systematic error called Pandemonium. [...]
2017 - 25 p. - Published in : J. Phys. G 44 (2017) 084004 Fulltext: PDF;

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2017-09-14
10:00
Extending and refining the nuclear mass surface with ISOLTRAP / Lunney, D (CSNSM, Orsay) /ISOLTRAP
The Penning-trap mass spectrometer ISOLTRAP has received ISOLDE beams for the past 30 years! Following the move of ISOLDE to the proton-synchrotron booster site, ISOLTRAP has pioneered almost all of the techniques now associated with on-line ion trapping and manipulation for precision measurements of atomic masses. After an introduction on physics motivation, a brief history and description of the ISOLTRAP spectrometer is given, followed by an overview of the numerous developments and scientific results achieved since the previous ISOLDE Laboratory Portrait..
2017 - 18 p. - Published in : J. Phys. G 44 (2017) 064008 Fulltext: PDF;

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2017-09-14
10:00
Nuclear-structure studies of exotic nuclei with MINIBALL / Butler, P A (Liverpool U.) ; Cederkall, J (Lund U.) ; Reiter, P (Cologne U.)
High-resolution γ-ray spectroscopy has been established at ISOLDE for nuclear-structure and nuclear-reaction studies with reaccelerated radioactive ion beams provided by the REX-ISOLDE facility. The MINIBALL spectrometer comprises 24 six-fold segmented, encapsulated high-purity germanium crystals. [...]
2017 - 23 p. - Published in : J. Phys. G 44 (2017) 044012 Fulltext: PDF;

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