O . Sorlin

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The main purpose of the present manuscript is to review the structural evolution along the isotonic and isotopic chains around the ”traditional” magic numbers 8, 20, 28, 50, 82 and 126. The exotic regions of the chart of nuclides have been explored during the three last decades. Then the postulate of permanent magic numbers was definitely abandoned and the(More)
M. Stanoiu, F. Azaiez, Zs. Dombrádi, O. Sorlin, B. A. Brown, M. Belleguic, D. Sohler, M. G. Saint Laurent, M. J. Lopez-Jimenez, Y. E. Penionzhkevich, G. Sletten, N. L. Achouri, J. C. Angélique, F. Becker, C. Borcea, C. Bourgeois, A. Bracco, J. M. Daugas, Z. Dlouhý, C. Donzaud, J. Duprat, Zs. Fülöp, D. Guillemaud-Mueller, S. Grévy, F. Ibrahim, A. Kerek, A.(More)
The neutron-rich (66,68)Ni have been produced at GANIL via interactions of a 65.9A MeV 70Zn beam with a 58Ni target. Their reduced transition probability B(E2;0(+)(1)-->2+) has been measured for the first time by Coulomb excitation in a (208)Pb target at intermediate energy. The B(E2) value for (68)Ni(40) is unexpectedly small. An analysis in terms of large(More)
M. Stanoiu,1,2,3 D. Sohler,4 O. Sorlin,2 F. Azaiez,1 Zs. Dombrádi,4 B. A. Brown,5 M. Belleguic,1 C. Borcea,3 C. Bourgeois,1 Z. Dlouhy,6 Z. Elekes,4 Zs. Fülöp,4 S. Grévy,2 D. Guillemaud-Mueller,1 F. Ibrahim,1 A. Kerek,7 A. Krasznahorkay,4 M. Lewitowicz,2 S. M. Lukyanov,8 S. Mandal,9 J. Mrázek,6 F. Negoita,3 Yu.-E. Penionzhkevich,8 Zs. Podolyák,10 P.(More)
An excited state in the proton-rich unbound nucleus 12O was identified at 1.8(4) MeV via missing-mass spectroscopy with the 14O(p,t) reaction at 51 AMeV. The spin-parity of the state was determined to be 0+ or 2+ by comparing the measured differential cross sections with distorted-wave calculations. The lowered location of the excited state in 12O indicates(More)
New experimental results on 43S and 44S reveal that these nuclei are located in a transitional region of prolate-spherical shape coexistence between the spherical 48Ca and the oblate 42Si. The origin of the deformation is discussed in terms of the evolution of the single particle energy levels leading to the compression of the orbitals in the sd and p f(More)
A compact, quasi-4π position sensitive silicon array, TIARA, designed to study direct reactions induced by radioactive beams in inverse kinematics is described here. The Transfer and Inelastic All-angle Reaction Array (TIARA) consists of 8 resistive-strip silicon detectors forming an octagonal barrel around the target and a set of double-sided silicon-strip(More)
The structure of 44S has been studied by using delayed γ and electron spectroscopy. The decay rates of the 02+ isomeric state to the 2(1)+ and 0(1)+ states, measured for the first time, lead to a reduced transition probability B(E2: 2(1)+→0(2)+)=8.4(26) e(2) fm4 and a monopole strength ρ2(E0: 0(2)+→0(1)+)=8.7(7)×10(-3). Comparisons to shell model(More)
The 02(+) state in 34Si has been populated at the GANIL-LISE3 facility through the β decay of a newly discovered 1(+) isomer in 34Al of 26(1) ms half-life. The simultaneous detection of e(+)e(-) pairs allowed the determination of the excitation energy E(02(+))=2719(3)  keV and the half-life T(1/2)=19.4(7) ns, from which an electric monopole strength of(More)
L’étude de la structure nucléaire réalisée au sein du groupe NESTER utilise diverses méthodes expérimentales: mesures de sections efficaces de réactions nucléaires directes (transfert ou échange de nucléons, excitation coulombienne, cassure du noyau) et études de décroissance. Principalement centrées sur quatre installations, le Tandem d’Orsay, le GANIL,(More)