English
Related papers

Related papers: First experimental test of the ratio method for nu…

200 papers

Recently a new observable to study halo nuclei was introduced, based on the ratio between breakup and elastic angular cross sections. This new observable is shown by the analysis of specific reactions to be independent of the reaction…

Nuclear Theory · Physics 2015-06-17 P. Capel , R. C. Johnson , F. M. Nunes

The ratio method has been developed to improve the study of one-neutron halo nuclei through reactions. By taking the ratio of angular distributions for two processes, viz. breakup and elastic scattering, this new observable is nearly…

Nuclear Theory · Physics 2020-01-08 X. Y. Yun , F. Colomer , D. Y. Pang , P. Capel

The ratio is a new reaction observable suggested to extract accurately structure information on halo nuclei. It corresponds to the ratio of differential cross sections for scattering and breakup, which is predicted to remove the uncertainty…

For one-neutron halo nuclei, the cross section for elastic scattering and breakup at intermediate energy exhibit similar angular dependences. The Recoil Excitation and Breakup (REB) model of reactions elegantly explains this feature. It…

Nuclear Theory · Physics 2020-12-22 Pierre Capel , Ronald C. Johnson , Filomena M. Nunes

We present a new observable to study halo nuclei. This new observable is a particular ratio of angular distributions for elastic breakup and scattering. For one-neutron halo nuclei, it is shown to be independent of the reaction mechanism…

Nuclear Theory · Physics 2015-03-19 P. Capel , R. C. Johnson , F. M. Nunes

Background: The ratio method has been proposed as a means to remove the reaction model dependence in the study of halo nuclei. Purpose: Originally, it was developed for higher energies but given the potential interest in applying the method…

Nuclear Theory · Physics 2016-06-22 F. Colomer , P. Capel , F. M. Nunes , R. C. Johnson

Halo nuclei are exotic nuclei which exhibit a strongly clusterised structure: they can be seen as one or two valence nucleons loosely bound to a core. Being observed at the ridge of the valley of stability, halo nuclei are studied mostly…

Nuclear Theory · Physics 2015-06-12 P. Capel , F. M. Nunes , H. Esbensen , R. C. Johnson

Models for the description of breakup reactions used to study the structure of exotic cluster structures like halos are reviewed. The sensitivity of these models to the projectile description is presented. Calculations are sensitive to the…

Nuclear Theory · Physics 2014-12-17 Pierre Capel

We present a description of the break-up of halo nuclei in peripheral nuclear reactions by coupling a model of the projectile motivated by Halo Effective Field Theory with a fully dynamical treatment of the reaction using the Dynamical…

Nuclear Theory · Physics 2021-12-02 P. Capel , D. R. Phillips , H. -W. Hammer

The study of exotic nuclear structures, such as halo nuclei, is usually performed through nuclear reactions. An accurate reaction model coupled to a realistic description of the projectile is needed to correctly interpret experimental data.…

Nuclear Theory · Physics 2016-08-03 P. Capel , F. Colomer , H. Esbensen , T. Fukui , R. C. Johnson , F. M. Nunes , K. Ogata

The effect of projectile shape on cross sections and momentum distributions of fragments from heavy ion reactions is studied. We propose a new approach that implements the underlying symmetries of each isotope with a few parameters directly…

Nuclear Theory · Physics 2007-05-23 S. E. Chernyshev , K. V. Shitikova

Background: Information about the structure of halo nuclei are often inferred from one-neutron knockout reactions. Typically the parallel-momentum distribution of the remaining core is measured after a high-energy collision of the exotic…

Nuclear Theory · Physics 2019-11-20 Chloë Hebborn , Pierre Capel

The angular distributions for elastic scattering and breakup of halo nuclei are analysed using a near-side/far-side decomposition within the framework of the dynamical eikonal approximation. This analysis is performed for 11Be impinging on…

Nuclear Theory · Physics 2015-06-11 M. S. Hussein , P. Capel , D. Baye

We study nuclear reaction cross-sections for stable and unstable projectiles and targets within Glauber model, using densities obtained from various relativistic mean field formalisms. The calculated cross-sections are compared with the…

Nuclear Theory · Physics 2008-11-26 A. Shukla , B. K. Sharma , R. Chandra , P. Arumugam , S. K. Patra

We utilize the axially deformed relativistic Hartree-Fock-Bogoliubov (D-RHFB) model to describe the structure of neutron-rich carbon isotopes, taking into account the continuum, pairing correlations, tensor force and their interplay. In…

Nuclear Theory · Physics 2024-12-13 Jia-Lin An , Qi Lu , Wen Hui Long , Shi-Sheng Zhang

Single-particle removal reactions are becoming an important tool for studying radioactive nuclei. The nuclei far from stability may reveal new regions of large deformation. We discuss the influence of the projectile deformation on the…

Nuclear Theory · Physics 2009-10-31 Alexander Sakharuk , P. Gregers Hansen , Vladimir Zelevinsky

The best examples of halo nuclei, exotic systems with a diffuse nuclear cloud surrounding a tightly-bound core, are found in the light, neutron-rich region, where the halo neutrons experience only weak binding and a weak, or no, potential…

The clear separation of scales observed in halo nuclei between the extended halo and the compact core makes these exotic nuclei a perfect subject for Effective Field Theory (EFT). Such description leads to a systematic expansion of the…

Nuclear Theory · Physics 2022-01-05 Pierre Capel

Microscopic description of two-neutron ($2n$) halo candidates $^{31}$F and $^{39}$Na has been realized from nuclear structure to reaction observables for the first time. The reliability of the Glauber reaction model has been confirmed by…

Nuclear Theory · Physics 2026-04-02 Jia-Lin An , Li-Yang Wang , Kaiyuan Zhang , Shi-Sheng Zhang

Reaction theory is an essential ingredient when performing studies of nuclei far from stability. One approach for the calculation of breakup reactions of exotic nuclei into two fragments is to consider inelastic excitations into the single…

Nuclear Theory · Physics 2009-11-11 A. M. Moro , F. M. Nunes
‹ Prev 1 2 3 10 Next ›