Nuclear structure and reaction studies at SPIRAL

Navin, A.; Santos, F. de Oliveira; Roussel‐Chomaz, P.; Sorlin, O.

doi:10.1088/0954-3899/38/2/024004

Cited by 23 publications

(30 citation statements)

References 133 publications

(426 reference statements)

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“…Additionally, Fig. 6(e) shows that the energy distribution of 4 He particles is shifted toward higher energies when compared with statistical model predictions. These two observations suggest that 4 He is also produced through a direct process, like transfer.…”

Section: B Direct Reactions From Particle-γ Correlationsmentioning

confidence: 85%

“…As can be seen from the Fig. 6(d), both the shape and amplitude of the angular distribution of 4 He particles, in coincidence with γ rays from 65,66 Cu at E lab = 19.9 MeV, are not consistent with those arising from a compound nuclear evaporation (α2n and α3n) channels. Additionally, Fig.…”

Section: B Direct Reactions From Particle-γ Correlationsmentioning

confidence: 86%

“…6(e) shows that the energy distribution of 4 He particles is shifted toward higher energies when compared with statistical model predictions. These two observations suggest that 4 He is also produced through a direct process, like transfer. Under the assumption that 3n and 4n transfers are negligible, 4 He-γ coincidences can be used to obtain information on the 1n and 2n transfers to 7 He and 6 He excited states.…”

Section: B Direct Reactions From Particle-γ Correlationsmentioning

confidence: 89%

“…8 He ions were obtained from the SPIRAL ISOL facility at GANIL [4,42]. The fragmentation of a 75 MeV/nucleon 13 C beam on a thick graphite target was used to produce the 8 He ions which were re-accelerated by the CIME cyclotron to 19.9 and 30.6 MeV.…”

Section: Beams Of Radioactivementioning

confidence: 99%

“…The advent of re-accelerated beams using Isotope Separation On Line (ISOL) techniques provides new opportunities to study and understand reactions with nuclei far from stability [1][2][3][4]. The neutron separation energies of neutron-rich nuclei near the drip line are considerably smaller (S n ∼ 1 MeV) than those for typical stable nuclei (S n ∼ 8 MeV).…”

Section: Introductionmentioning

confidence: 99%

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Reactions with the double-Borromean nucleusHe8

et al. 2010

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Differential cross-sections for elastic scattering and neutron transfer reactions along with crosssections for fusion in the 8 He+ 65 Cu system are reported at energies above the Coulomb barrier (E lab = 19.9 and 30.6 MeV). The present work demonstrates the feasibility of using inclusive measurements of characteristic in-beam γ rays with low-intensity (∼ 10 5 pps) radioactive ion beams to obtain the residue cross-sections for fusion and neutron transfer. Exclusive measurements of γ rays in coincidence with light charged particles have been used to further characterize the direct reactions induced by this double-Borromean nucleus. Coupled reaction channels calculations are used to illustrate the important role played by the transfer channels and to help in understanding the influence of the structure of 8 He on the reaction mechanism.

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Section: B Direct Reactions From Particle-γ Correlationsmentioning

confidence: 85%

Section: B Direct Reactions From Particle-γ Correlationsmentioning

confidence: 86%

Section: B Direct Reactions From Particle-γ Correlationsmentioning

confidence: 89%

Section: Beams Of Radioactivementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Reactions with the double-Borromean nucleusHe8

et al. 2010

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Exotic Nuclear Beam Facilities

Geißel

Huyse

Münzenberg

et al. 2003

Digital Encyclopedia of Applied Physics

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The knowledge of exotic nuclei properties is essential for the understanding of the strong interaction and the element synthesis in the cosmos. Exotic nuclides are short lived and therefore, cannot be found on Earth but are still produced in stars. To study such atomic nuclei, one has to produce them with nuclear reactions in the laboratory and to separate them with special tools, from all the inevitable abundant background. The production and separation of these exotic nuclear beams can be performed with in‐flight or isotope separation on line facilities or hybrid systems of these two main scenarios. An exotic nuclear beam facility consists mainly of a combination of the production and the separation part as well as a post‐acceleration unit for the case that the experiment needs beams with kinetic energies and emittances different from that what the separator can provide. The challenge to investigate exotic nuclei is that they are characterized by very low production cross sections and short half‐lives. Different reactions to create exotic nuclei, and the physics and techniques of modern separation methods are discussed. We present the recent progress made in studying exotic nuclei by new accelerator developments, powerful separators combined with high‐resolution spectrometers and storage devices, and efficient detector systems. This chapter ends with the description of some recent discoveries with exotic nuclei and the motivation for the next‐generation facilities.

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High-Precision Mass Measurements of Radionuclides with Penning Traps

Block

2014

Springer Tracts in Modern Physics

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Nuclear structure and reaction studies at SPIRAL

Cited by 23 publications

References 133 publications

Reactions with the double-Borromean nucleusHe8

Reactions with the double-Borromean nucleusHe8

Exotic Nuclear Beam Facilities

High-Precision Mass Measurements of Radionuclides with Penning Traps

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