Some properties of the nuclear interaction manifest in the neutron deficient nuclei and in the heavy and super-heavy elements. Therefore, measurements of nuclear observables of these nuclei will serve to constrain available nuclear models. At GANIL-SPIRAL2, these nuclei will be produced with unprecedent yields, thanks to the combined action of the high intense primary beams delivered by the LINAC together with the Super Separator Spectrometer (S3) [1]. The Low Energy Branch (S3-LEB) set-up will be located at the final focal plane of S3. This set up will allow to measure charge radii, nuclear moments, masses and decay properties simultaneously, of ground and long-lived isomeric states of the very exotic nuclei produced. The LEB set-up makes use of the In-Gas Laser Ionisation and Spectroscopy technique; the ions from S3 are stopped and neutralized in a gas cell for further extraction in a supersonic jet where the laser light interacts [2, 3, 4]. Afterwards, the ionized ions are sent to a MR-TOF-MS PILGRIM device [5] and a decay station. This contribution focuses on the laser work performed at the GISELE laboratory at GANIL. At GISELE, studies of the sensitivity of a given laser ionization scheme for extraction of the nuclear observables are performed, focusing on the first online experiments planned at S3-LEB. This contribution will describe the existing laser set-up installed at GISELE, the set-ups to be installed, the results obtained of laser scheme investigations of some elements and the forthcoming plans.
[1] F. Déchery et al., Nucl. Instrum. Meth. B 376, 125-130 (2016)
[2] R. Ferrer et al., Nat. Comm. 8, 14520 (2017)
[3] J. Romans, et al., Nucl. Instrum. Meth. B 536, 72 (2023)
[4] A. Ajayakumar, et al., NIM B 539, 102 (2023)
[5] P. Chauveau et al., NIM B 376, 211 (2016)
Lucia Caceres
(CEA-GANIL)
Dr
Alejandro Ortiz-Cortes
(GANIL, CEA/DRF-CNRS/IN2P3, B.P. 55027, 14076 Caen, France)
Alexandre BRIZARD
Anjali Ajayakumar
Antoine DE ROUBIN
(Centre d’Etudes Nucléaires de Bordeaux Gradignan, UMR 5797 CNRS/IN2P3 - Université de Bordeaux, 19 Chemin du Solarium, CS 10120, F-33175 Gradignan Cedex, France)
Antoine Drouart
(CEA)
Arno Claessens
B. Osmond
(GANIL, CEA/DRF-CNRS/IN2P3, B.P. 55027, 14076 Caen, France)
C. Vandamme
(Université de Caen Normandie, ENSICAEN, CNRS/IN2P3, LPC Caen UMR6534, F-14000 Caen, France)
Dominik Studer
(Helmholtz-Institut Mainz, 55099 Mainz, Germany; GSI Helmholzzentrum für Schwerionenforschung GmbH, 64291 Darmstadt, Germany)
Elodie MORIN
Emil Traykov
(IPHC, Université de Strasbourg, 67037 Strasbourg, France)
Fedor Ivandikov
(KU Leuven (BE))
Franck Lutton
(GANIL)
Herve Savajols
(GANIL)
Iain Moore
J. -F Cam
(Université de Caen Normandie, ENSICAEN, CNRS/IN2P3, LPC Caen UMR6534, F-14000 Caen, France)
J. Lory
(Université de Caen Normandie, ENSICAEN, CNRS/IN2P3, LPC Caen UMR6534, F-14000 Caen, France)
Jekabs Romans
(IKS, KU Leuven)
Martial Authier
(CEA)
Dr
Nathalie LECESNE
O. Pochon
(IJCLab, Université Paris-Saclay & CNRS/IN2P3, 91405 Orsay, France)
P. Desrue
(Université de Caen Normandie, ENSICAEN, CNRS/IN2P3, LPC Caen UMR6534, F-14000 Caen, France)
P. Gangnant
(GANIL, CEA/DRF-CNRS/IN2P3, B.P. 55027, 14076 Caen, France)
Patricia Duchesne
(IPNO/CNRS)
Paul Van den Bergh
(KU Leuven)
Pierre Delahaye
(Centre National de la Recherche Scientifique (FR))
Piet Van Duppen
(KU Leuven (BE))
R. Leroy
(GANIL, CEA/DRF-CNRS/IN2P3, B.P. 55027, 14076 Caen, France)
Rafael Ferrer Garcia
(KU Leuven (BE))
Saikumar Chinthakayala
(Doctoral Student)
Sarina Geldhof
(Centre National de la Recherche Scientifique (FR))
Sebastian Raeder
(Helmholtz-Institut-Mainz / JGU Mainz/ GSI Darmstadt)
Serge Franchoo
(IJCLab)
Vladimir Manea
(IJCLab)
Wenling Dong
(IJCLab)
Xavier David Flechard
(Centre National de la Recherche Scientifique (FR))
Y. Merrer
(Université de Caen Normandie, ENSICAEN, CNRS/IN2P3, LPC Caen UMR6534, F-14000 Caen, France)
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