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Microscopic Description of \({^{8}{\hbox {Li}}{+}}\)Nucleus and of \({^{8}{\hbox {B}}{+}}\)Nucleus Scattering

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Abstract

We apply a microscopic version of the Continuum Discretized Coupled Channel (CDCC) method, referred to as MCDCC, to \(^{8}{\hbox {Li}}\) and \(^{8}{\hbox {B}}\) scattering on different targets. The \(^{8}{\hbox {Li}}\) and \(^{8}{\hbox {B}}\) nuclei are described in a microscopic three-cluster model (\(\alpha +t+n\) and \(\alpha + {^{3}}\mathrm{He}+p\)), using the hyperspherical coordinates. We first present spectroscopic properties of these nuclei. Then, we determine \(^{8}{\hbox {Li}}+\)nucleus and \(^{8}{\hbox {B}}+\)nucleus potentials by using proton\(+\)target and neutron\(+\)target interactions. We compute various elastic-scattering cross sections and confirm that breakup effects are important, in particular at low energies. In general, we find a fair agreement with experiment, except for \({^{8}}\mathrm{B}\,+^{58}\text{ Ni }\) where we suggest that the data might be overestimated.

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Acknowledgements

This work was supported by the Fonds de la Recherche Scientifique - FNRS under Grant Number 4.45.10.08. It benefited from computational resources made available on the Tier-1 supercomputer of the Fédération Wallonie-Bruxelles, infrastructure funded by the Walloon Region under the grant agreement No. 1117545.

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Authors and Affiliations

  1. Physique Nucléaire Théorique et Physique Mathématique, C.P. 229, Université Libre de Bruxelles (ULB), C.P. 1050, Brussels, Belgium

    P. Descouvemont

  2. Departamento de Física, Grupo de Física Nuclear, Facultad de Ciencias, Universidad Nacional de Colombia, Sede Bogotá, Carrera 45 No 26-85, Edificio Uriel Gutiérrez, Bogotá, D.C., C.P. 1101, Colombia

    E. C. Pinilla

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  1. P. Descouvemont
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  2. E. C. Pinilla
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Correspondence to P. Descouvemont.

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This article belongs to the Topical Collection “Ludwig Faddeev Memorial Issue”.

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Descouvemont, P., Pinilla, E.C. Microscopic Description of \({^{8}{\hbox {Li}}{+}}\)Nucleus and of \({^{8}{\hbox {B}}{+}}\)Nucleus Scattering. Few-Body Syst 60, 11 (2019). https://doi.org/10.1007/s00601-018-1476-6

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