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Smooth trends in fermium charge radii and the impact of shell effects
/ Warbinek, Jessica (Darmstadt, GSI ; Mainz U. ; CERN ; Helmholtz Inst., Mainz) ; Rickert, Elisabeth (Darmstadt, GSI ; Mainz U. ; Helmholtz Inst., Mainz) ; Raeder, Sebastian (Darmstadt, GSI ; Helmholtz Inst., Mainz) ; Albrecht-Schönzart, Thomas (Colorado School of Mines) ; Andelic, Brankica (Darmstadt, GSI ; Helmholtz Inst., Mainz ; Groningen U.) ; Auler, Julian (Mainz U.) ; Bally, Benjamin (IRFU, Saclay) ; Bender, Michael (IP2I, Lyon) ; Berndt, Sebastian (Mainz U.) ; Block, Michael (Darmstadt, GSI ; Mainz U. ; Helmholtz Inst., Mainz) et al.
The quantum-mechanical nuclear-shell structure determines the stability and limits of the existence of the heaviest nuclides with large proton numbers Z ≳ 100 (refs. $^{1–3}$). [...]
2024 - 5 p.
- Published in : Nature 634 (2024) 1075-1079
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New exotic beams from the SPIRAL 1 upgrade
/ Delahaye, P. (GANIL) ; Dubois, M. (GANIL) ; Maunoury, L. (GANIL) ; Annaluru, A. (GANIL) ; Angot, J. (LPSC, Grenoble) ; Bajeat, O. (GANIL) ; Blank, B. (CENBG, Gradignan) ; Cam, J.C. (Caen U.) ; Chauveau, P. (GANIL ; CSNSM, Orsay) ; Frigot, R. (GANIL) et al.
Since 2001, the SPIRAL 1 facility has been one of the pioneering facilities in ISOL techniques for reaccelerating radioactive ion beams: the fragmentation of the heavy ion beams of GANIL on graphite targets and subsequent ionization in the Nanogan ECR ion source has permitted to deliver beams of gaseous elements (He, N, O, F, Ne, Ar, Kr) to numerous experiments. Thanks to the CIME cyclotron, energies up to 20 AMeV could be obtained. [...]
arXiv:1903.02220.-
2020-01-15 - 6 p.
- Published in : Nucl. Instrum. Methods Phys. Res., B 463 (2020) 339-344
Fulltext: PDF; Fulltext from Publisher: PDF; Fulltext from publisher: PDF;
In : 18th International Conference on Electromagnetic Isotope Separators and Related Topics, Geneva, Switzerland, 16 - 21 Sep 2018, pp.339-344
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A new FEBIAD-type ion source for the upgrade of SPIRAL1 at GANIL
/ Chauveau, P (GANIL) ; Delahaye, P (GANIL) ; Babo, M (GANIL) ; Bouzomita, H (GANIL) ; Bajeat, O (GANIL) ; Dubois, M (GANIL) ; Frigot, R (GANIL) ; Grinyer, G F (GANIL) ; Grinyer, J (GANIL) ; Jardin, P (GANIL) et al.
The SPIRAL facility at GANIL is being upgraded with a new FEBIAD ion source in order to extend its production capabilities to condensable elements. The coupling of such an ion source with the present GANIL target was recently tested online at SPIRAL at nominal power (1200 W). [...]
2016 - 4 p.
- Published in : Nucl. Instrum. Methods Phys. Res., B 376 (2016) 35-38
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High-precision half-life measurements of the T=1/2 mirror β decays F17 and Cl33
/ Grinyer, J (GANIL) ; Grinyer, G F (GANIL) ; Babo, M (GANIL) ; Bouzomita, H (GANIL) ; Chauveau, P (GANIL) ; Delahaye, P (GANIL) ; Dubois, M (GANIL) ; Frigot, R (GANIL) ; Jardin, P (GANIL) ; Leboucher, C (GANIL) et al.
Background: Measurements of the ft values for T=1/2 mirror β+ decays offer a method to test the conserved vector current hypothesis and to determine Vud, the up-down matrix element of the Cabibbo-Kobayashi-Maskawa matrix. In most mirror decays used for these tests, uncertainties in the ft values are dominated by the uncertainties in the half-lives. [...]
2015 - 7 p.
- Published in : Phys. Rev. C 92 (2015) 045503
APS Open Access article: PDF;
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5.
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High-precision half-life measurement for the isospin T=1/2 mirror β+ decay of $^{21}$Na
/ Grinyer, J (GANIL) ; Grinyer, G F (GANIL) ; Babo, M (GANIL) ; Bouzomita, H (GANIL) ; Chauveau, P (GANIL) ; Delahaye, P (GANIL) ; Dubois, M (GANIL) ; Frigot, R (GANIL) ; Jardin, P (GANIL) ; Leboucher, C (GANIL) et al.
The half-life of the isospin T=1/2 mirror β+ decay of Na21 was measured at the GANIL-SPIRAL radioactive ion beam facility to be T1/2=22.422 (10) s, a result that is more than a factor of 5 times more precise than the previous world average, with a resulting ft value that is now two times more precise. The precision of this new result implies that the half-life is no longer the dominant source of uncertainty in the Ft value used in the calculation of Vud from mirror decays to test the conserved vector current hypothesis of the standard model. [...]
2015 - 6 p.
- Published in : Phys. Rev. C 91 (2015) 032501
APS Open Access article: PDF;
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6.
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Ge and Se beam developments for constraining the neutron star crust via mass measurements
/ Althubiti, N (The University of Manchester, Manchester, United Kingdom) ; Ascher, P (CENBG, Bordeaux, France) ; Atanasov, D (Max Planck Institute for Nuclear Physics, Heidelberg, Germany) ; Aymard, F (Laboratoire de Physique Corpusculaire Caen, France) ; Bastin, B (GANIL, Caen, France) ; Blaum, K (Max Planck Institute for Nuclear Physics, Heidelberg, Germany) ; Beck, D (GSI Helmholtzzentrum für Schwerionenforschung GmbH, Darmstadt, Germany) ; Breitenfeldt, M (Grupo de Fisica Nuclear, Universidad Complutense, Madrid, Spain, and CERN) ; Cakirli, R B (Istanbul University, Department of Physics, Istanbul, Turkey) ; Chauveau, P (GANIL, Caen, France) et al.
CERN-INTC-2015-024 ; INTC-I-162.
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2015.
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7.
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Constraining the neutron star crust via mass measurements
/ Althubiti, N (The University of Manchester, Manchester, United Kingdom) ; Ascher, P (CENBG, Bordeaux, France) ; Atanasov, D (Max Planck Institute for Nuclear Physics, Heidelberg, Germany) ; Aymard, F (Laboratoire de Physique Corpusculaire Caen, France) ; Bastin, B (GANIL, Caen, France) ; Blaum, K (Max Planck Institute for Nuclear Physics, Heidelberg, Germany) ; Beck, D (GSI Helmholtzzentrum für Schwerionenforschung GmbH, Darmstadt, Germany) ; Breitenfeldt, M (Grupo de Fisica Nuclear, Universidad Complutense, Madrid, Spain, and CERN) ; Cakirli, R B (Istanbul University, Department of Physics, Istanbul, Turkey) ; Chauveau, P (GANIL, Caen, France) et al.
CERN-INTC-2015-023 ; INTC-P-436.
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2015.
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