V. Lapoux
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View article: Unbound neutron $\nu0d_{3/2}$ strength in $^{17}$C and the N=16 shell gap
Unbound neutron $\nu0d_{3/2}$ strength in $^{17}$C and the N=16 shell gap Open
Significant continuum strength has been observed to be populated in $^{17}$C produced in the d($^{16}$C,p) reaction at a beam energy of 17.2~MeV/nucleon. The strength appears at greater than $\sim$2~MeV above the single-neutron decay thres…
View article: Excited States in the Neutron Rich Nuclei \(^{46}\)S and \(^{47}\)S
Excited States in the Neutron Rich Nuclei \(^{46}\)S and \(^{47}\)S Open
Data on the structure of sulphur isotopes close to the neutron drip-line are rather scarce. The excited states of the very neutron-rich \(^{46}\)S and \(^{47}\)S nuclei have been investigated by in-beam gamma-ray spectroscopy at the Radioa…
View article: Evolution of two-neutrons configuration from 11Li to 13Li
Evolution of two-neutrons configuration from 11Li to 13Li Open
In this work we investigate the two-neutron decay of 13Li and of the excited states of 11Li populated via one-proton removal from 14Be and 12Be, respectively. A phenomenological model is used to describe the decay of 11Li and 13Li. While t…
View article: Gamma-ray spectroscopy of <sup>55</sup>Sc
Gamma-ray spectroscopy of <sup>55</sup>Sc Open
The N = 34 isotope 55 Sc has been investigated using in-beam γ -ray spectroscopy at the RIKEN Radioactive Isotope Beam Factory. Spectra from the direct ( p , pn ) reaction as well as indirect reaction channels have been investigated. γ ray…
View article: Mass, spectroscopy and two-neutron decay of $^{16}$Be
Mass, spectroscopy and two-neutron decay of $^{16}$Be Open
The structure and decay of the most neutron-rich beryllium isotope, $^{16}$Be, has been investigated following proton knockout from a high-energy $^{17}$B beam. Two relatively narrow resonances were observed for the first time, with energi…
View article: Cross-shell states in 15C: A test for p-sd interactions
Cross-shell states in 15C: A test for p-sd interactions Open
The low-lying structure of $^{15}$C has been investigated via the neutron-removal $^{16}$C$(d,t)$ reaction. Along with bound neutron sd-shell hole states, unbound p-shell hole states have been firmly confirmed. The excitation energies and …
View article: Searching for universality of dineutron correlation at the surface of Borromean nuclei
Searching for universality of dineutron correlation at the surface of Borromean nuclei Open
The dineutron correlation is systematically studied in three different Borromean nuclei near the neutron dripline, 11Li, 14Be and 17B, via the (p, pn) knockout reaction measured at the RIBF facility in RIKEN. For the three nuclei, the corr…
View article: Intruder configurations in $^{29}$Ne at the transition into the island of inversion: Detailed structure study of $^{28}$Ne
Intruder configurations in $^{29}$Ne at the transition into the island of inversion: Detailed structure study of $^{28}$Ne Open
Detailed $γ$-ray spectroscopy of the exotic neon isotope $^{28}$Ne has been performed for the first time using the one-neutron removal reaction from $^{29}$Ne on a liquid hydrogen target at 240~MeV/nucleon. Based on an analysis of parallel…
View article: Searching for universality of dineutron correlation at the surface of Borromean nuclei
Searching for universality of dineutron correlation at the surface of Borromean nuclei Open
The dineutron correlation is systematically studied in three different\nBorromean nuclei near the neutron dripline, 11Li, 14Be and 17B, via the (p, pn)\nknockout reaction measured at the RIBF facility in RIKEN. For the three nuclei,\nthe c…
View article: Low-lying structure of <sup>15</sup>C: Information on the N=8 shell gap
Low-lying structure of <sup>15</sup>C: Information on the N=8 shell gap Open
The low-lying structure of 15 C has been investigated via the neutron-removal d( 16 C, t) reaction. The experiment was performed at GANIL using a secondary 16 C beam produced by fragmentation in the LISE spectrometer at 17.2 MeV/nucleon wi…
View article: GANIL / SPIRAL - 2001-2007 - Achievements, Highlights and Perspectives
GANIL / SPIRAL - 2001-2007 - Achievements, Highlights and Perspectives Open
Since the early eighties, the intermediate energy ion beams of the GANIL facility and the associated equipments have played a pioneer role in the emergence of new fields in Nuclear Physics based on the production of exotic nuclei in unknow…
View article: Narrow resonances in the continuum of the unbound nucleus $^{15}$F
Narrow resonances in the continuum of the unbound nucleus $^{15}$F Open
The structure of the unbound $^{15}$F nucleus is investigated using the inverse kinematics resonant scattering of a radioactive $^{14}$O beam impinging on a CH$_2$ target. The analysis of $^{1}$H($^{14}$O,p)$^{14}$O and $^{1}$H($^{14}$O,2p…
View article: First spectroscopic study of 51Ar by the (p,2p) reaction
First spectroscopic study of 51Ar by the (p,2p) reaction Open
The nuclear structure of 51Ar, an uncharted territory so far, was studied by the (p,2p) reaction using γ-ray spectroscopy for the bound states and the invariant mass method for the unbound states. Two peaks were detected in the γ-ray spect…
View article: N=32 shell closure below calcium: Low-lying structure of <sup>50</sup>Ar
N=32 shell closure below calcium: Low-lying structure of <sup>50</sup>Ar Open
Low-lying excited states in the N=32 isotope 50Ar were investigated by in-beam γ-ray spectroscopy following proton- and neutron-knockout, multinucleon removal, and proton inelastic scattering at the RIKEN Radioactive Isotope Beam Factory. …
View article: Spectroscopy of <sup>16</sup>B from quasi-free (p,pn) reaction with <sup>17</sup>B
Spectroscopy of <sup>16</sup>B from quasi-free (p,pn) reaction with <sup>17</sup>B Open
Spectroscopy of 16 B plays an essential role in understanding the halo structure in 17 B, but very limited knowledge has so far been obtained. We have carried out a kinematically complete measurement on the spectroscopy of 16 B by using qu…
View article: Radii and Binding Energies in Helium and Oxygen Isotopes: A Puzzle for Nuclear Forces
Radii and Binding Energies in Helium and Oxygen Isotopes: A Puzzle for Nuclear Forces Open
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View article: Spectroscopy of neutron-rich scandium isotopes
Spectroscopy of neutron-rich scandium isotopes Open
Within the SEASTAR III campaign at the Radioactive Isotope Beam Factory, at the RIKEN Nishina Center, neutron-rich isotopes in the vicinity of 53 K were produced from the fragmentation of the primary 70 Zn beam on a 9 Be target. After nucl…