Elastic scattering, inelastic excitation, and neutron transfer for Li7+Sn120 at energies around the Coulomb barrier

V. A. B. Zagatto, J. Lubian, L. R. Gasques, M. A. G. Alvarez, L. C. Chamon, J. R. B. Oliveira, J. A. Alcántara-Núñez, N. H. Medina, V. Scarduelli, A. Freitas, I. Padron, E. S. Rossi, Jr., and J. M. B. Shorto
Phys. Rev. C 95, 064614 – Published 28 June 2017

Abstract

Experimental angular distributions for the Li7+Sn120 elastic and inelastic (projectile and target excitations) scattering, and for the neutron stripping reaction, have been obtained at ELAB=20, 22, 24, and 26 MeV, covering an energy range around the Coulomb barrier (VB(LAB)21.4 MeV). Coupled channel and coupled reaction channel calculations were performed and both describe satisfactorily the experimental data sets. The 12 state Li7 inelastic excitation (using a rotational model), as well as the projectile coupling to the continuum (α plus a tritium particle) play a fundamental role on the proper description of elastic, inelastic, and transfer channels. Couplings to the one-neutron stripping channel do not significantly affect the theoretical elastic scattering angular distributions. The spectroscopic amplitudes of the transfer channel were obtained through a shell model calculation. The theoretical angular distributions for the one-neutron stripping reaction agreed with the experimental data.

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  • Received 12 May 2017

DOI:https://doi.org/10.1103/PhysRevC.95.064614

©2017 American Physical Society

Physics Subject Headings (PhySH)

Nuclear Physics

Authors & Affiliations

V. A. B. Zagatto and J. Lubian

  • Instituto de Física da Universidade Federal Fluminense, 24210-346, Niterói, Rio de Janeiro, Brazil

L. R. Gasques, M. A. G. Alvarez, L. C. Chamon, J. R. B. Oliveira, J. A. Alcántara-Núñez, N. H. Medina, V. Scarduelli, and A. Freitas

  • Instituto de Física da Universidade de São Paulo, 05508-090, São Paulo, São Paulo, Brazil

I. Padron

  • Centro de Aplicaciones Tecnológicas y Desarrollo Nuclear, 502, Calle 30, La Habana, Cuba

E. S. Rossi, Jr.

  • Centro Universitário Fundação Instituto de Ensino para Osasco, UNIFIEO, 06020-190, Osasco, São Paulo, Brazil

J. M. B. Shorto

  • Instituto de Pesquisas Energéticas e Nucleares, 05508-000, São Paulo, São Paulo, Brazil

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Issue

Vol. 95, Iss. 6 — June 2017

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