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1.
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Branching ratio of the super-allowed $\beta$ decay of $^{10}$C
/ Blank, B. (CENBG, Gradignan) ; Aouadi, M. (CENBG, Gradignan) ; Ascher, P. (CENBG, Gradignan) ; Gerbaux, M. (CENBG, Gradignan) ; Giovinazzo, J. (CENBG, Gradignan) ; Grévy, S. (CENBG, Gradignan) ; Kurtukian Nieto, T. (CENBG, Gradignan) ; Dunlop, M.R. (Guelph U.) ; Dunlop, R. (Guelph U.) ; Laffoley, A.T. (Guelph U.) et al.
In an experiment performed at the ISOLDE facility of CERN, the super-allowed beta-decay branching ratio of 10C was determined with a high-precision single-crystal germanium detector. In order to evaluate the contribution of the pile-up of two 511 keV gamma quanta to one of the gamma-ray peaks of interest at 1021.7 keV, data were not only taken with 10C, but also with a 19Ne beam. [...]
arXiv:2004.02559.-
2020-05-31 - 9 p.
- Published in : Eur. Phys. J. A 56 (2020) 156
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2.
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First high-statistics and high-resolution recoil-ion data from the WITCH retardation spectrometer
/ Finlay, P (Leuven U.) ; Breitenfeldt, M (Leuven U.) ; Porobić, T (Leuven U.) ; Wursten, E (Leuven U.) ; Ban, G (Caen U.) ; Beck, M (Munster U.) ; Couratin, C (Leuven U.) ; Fabian, X (Caen U.) ; Fléchard, X (Caen U.) ; Friedag, P (Munster U.) et al.
The first high-statistics and high-resolution data set for the integrated recoil-ion energy spectrum following the $ \beta^+$ decay of$^{35}$Ar has been collected with the WITCH retardation spectrometer located at CERN-ISOLDE. Over 25 million recoil-ion events were recorded on a large-area multichannel plate (MCP) detector with a time-stamp precision of 2ns and position resolution of 0.1mm due to the newly upgraded data acquisition based on the LPC Caen FASTER protocol. [...]
2016
- Published in : Eur. Phys. J. A 52 (2016) 206
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3.
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Space-charge effects in Penning ion traps
/ Porobić, T (KU Leuven, Dept. Phys. Astron.) ; Beck, M (Munster U.) ; Breitenfeldt, M (KU Leuven, Dept. Phys. Astron.) ; Couratin, C (Caen U.) ; Finlay, P (KU Leuven, Dept. Phys. Astron.) ; Knecht, A (KU Leuven, Dept. Phys. Astron. ; CERN) ; Fabian, X (Caen U.) ; Friedag, P (Munster U.) ; Fléchard, X (Caen U.) ; Liénard, E (Caen U.) et al.
The influence of space-charge on ion cyclotron resonances and magnetron eigenfrequency in a gas-filled Penning ion trap has been investigated. Off-line measurements with View the MathML source using the cooling trap of the WITCH retardation spectrometer-based setup at ISOLDE/CERN were performed. [...]
2015 - 10 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 785 (2015) 153-162
Elsevier Open Access article: PDF;
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4.
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Measurement of the super-allowed branching ratio of $^{22}$Mg
/ Blank, Bertram (CEN Bordeaux-Gradignan, France) ; Aouadi, Medhi (CEN Bordeaux-Gradignan, France) ; Ascher, Pauline (CEN Bordeaux-Gradignan, France) ; Gerbaux, Mathias (CEN Bordeaux-Gradignan, France) ; Giovinazzo, Jérôme (CEN Bordeaux-Gradignan, France) ; Goigoux, Thomas (CEN Bordeaux-Gradignan, France) ; Grévy, Stéphane (CEN Bordeaux-Gradignan, France) ; Kurtukian Nieto, Teresa (CEN Bordeaux-Gradignan, France) ; Magron, Cécile (CEN Bordeaux-Gradignan, France) ; de Roubin, Antoine (CEN Bordeaux-Gradignan, France and MPIK Heidelberg, Germany) et al.
CERN-INTC-2016-010 ; INTC-P-459.
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2016.
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5.
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Search for a scalar component in the weak interaction
/ Zakoucky, Dalibor (Rez, Nucl. Phys. Inst.) ; Baczyk, Pavel (CERN) ; Ban, Gilles (Caen U.) ; Beck, Marcus (Munster U. ; Mainz U.) ; Breitenfeldt, Martin (KU Leuven, Dept. Phys. Astron.) ; Couratin, Claire (Caen U.) ; Fabian, Xavier (Caen U.) ; Finlay, Paul (KU Leuven, Dept. Phys. Astron.) ; Flechard, Xavier (Caen U.) ; Friedag, Peter (Munster U. ; U. Munster) et al.
Weak interactions are described by the Standard Model which uses the basic assumption of a pure “V(ector)-A(xial vector)” character for the interaction. However, after more than half a century of model development and experimental testing of its fundamental ingredients, experimental limits for possible admixtures of scalar and/or tensor interactions are still as high as 7%. [...]
2015 - 4 p.
- Published in : JPS Conf. Proc. 6 (2015) 030065
In : 2nd Conference on Advances in Radioactive Isotope Science, Tokyo, Japan, 1 - 6 Jun 2014, pp.030065
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6.
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Measurement of the $\beta$-asymmetry parameter of $^{67}$Cu in search for tensor type currents in the weak interaction
/ Soti, G. (Leuven U.) ; Wauters, F. (Leuven U.) ; Breitenfeldt, M. (Leuven U.) ; Finlay, P. (Leuven U.) ; Herzog, P. (Bonn U., HISKP) ; Knecht, A. (Leuven U. ; CERN) ; Köster, U. (Laue-Langevin Inst.) ; Kraev, I.S. (Leuven U.) ; Porobic, T. (Leuven U.) ; Prashanth, P.N. (Leuven U.) et al.
Precision measurements at low energy search for physics beyond the Standard Model in a way complementary to searches for new particles at colliders. In the weak sector the most general $\beta$ decay Hamiltonian contains, besides vector and axial-vector terms, also scalar, tensor and pseudoscalar terms. [...]
arXiv:1409.1824.-
2014-09-25 - 15 p.
- Published in : Phys. Rev. C 90 (2014) 035502
Fulltext: PDF; External link: Preprint
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7.
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Performance of Geant4 in simulating semiconductor particle detector response in the energy range below 1 MeV
/ Soti, G. (Leuven U.) ; Wauters, F. (Leuven U.) ; Breitenfeldt, M. (Leuven U.) ; Finlay, P. (Leuven U.) ; Kraev, I.S. (Leuven U.) ; Knecht, A. (CERN ; Leuven U.) ; Porobic, T. (Leuven U.) ; Zákoucký, D. (Rez, Nucl. Phys. Inst.) ; Severijns, N. (Leuven U.)
Geant4 simulations play a crucial role in the analysis and interpretation of experiments providing low energy precision tests of the Standard Model. This paper focuses on the accuracy of the description of the electron processes in the energy range between 100 and 1000 keV. [...]
arXiv:1306.4538.-
2013
- Published in : Nucl. Instrum. Methods Phys. Res., A 728 (2013) 11-22
Fulltext: PDF; External link: Preprint
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8.
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High-spin rotational structures in $^{76}Kr$
/ Valiente-Dobón, J J ; Svensson, C E ; Leary, C D O ; Ragnarsson, I ; Andreoiu, C ; Appelbe, D E ; Austin, R A E ; Ball, G C ; Cameron, J A ; Carpenter, M P et al.
DAPNIA-2005-35.-
Saclay : DAPNIA, 2005 - 13 p.
- Published in : Phys. Rev. C 71 (2005) 034311
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