Breakup effects in the C16+p and C16+d reactions

Shubhchintak and P. Descouvemont
Phys. Rev. C 105, 024605 – Published 7 February 2022

Abstract

We analyze the C16+p and C16+d reactions within the four- and five-body continuum discretized coupled channel method. The C16 nucleus is described by a C14+n+n configuration in hyperspherical coordinates. This description reproduces fairly well several C16 low-lying states. First we analyze the 2+0+E2 transition amplitude, which confirms that an effective charge must be introduced to reproduce the experimental value. Then, proton and deuteron elastic and inelastic scattering are investigated by including C16 pseudostates, which simulate the C14+n+n continuum. In C16+d, the deuteron breakup is taken into account with p+n two-body pseudostates. A fair agreement with experiment is obtained without any fitting parameter. Breakup effects are in general small, but improve the agreement with experiment.

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  • Received 31 August 2021
  • Accepted 24 January 2022

DOI:https://doi.org/10.1103/PhysRevC.105.024605

©2022 American Physical Society

Physics Subject Headings (PhySH)

Nuclear Physics

Authors & Affiliations

Shubhchintak* and P. Descouvemont

  • Physique Nucléaire Théorique et Physique Mathématique, Code Postal 229, Université Libre de Bruxelles (ULB), B 1050 Brussels, Belgium

  • *shubhchintak@ulb.be
  • pierre.descouvemont@ulb.be

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Vol. 105, Iss. 2 — February 2022

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