Dissecting reaction calculations using halo effective field theory and ab initio input

P. Capel, D. R. Phillips, and H.-W. Hammer
Phys. Rev. C 98, 034610 – Published 21 September 2018; Erratum Phys. Rev. C 105, 019901 (2022)

Abstract

We present a description of the breakup 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 eikonal approximation. Our description of the halo system reproduces its long-range properties, i.e., binding energy and asymptotic normalization coefficients of bound states and phase shifts of continuum states. As an application we consider the breakup of Be11 in collisions on Pb and C targets. Taking the input for our halo-EFT-inspired description of Be11 from a recent ab initio calculation of that system yields a good description of the Coulomb-dominated breakup on Pb at energies up to about 2 MeV, with the result essentially independent of the short-distance part of the halo wave function. However, the nuclear dominated breakup on C is more sensitive to short-range physics. The role of spectroscopic factors and possible extensions of our approach to include additional short-range mechanisms are also discussed.

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  • Received 13 June 2018
  • Revised 15 August 2018

DOI:https://doi.org/10.1103/PhysRevC.98.034610

©2018 American Physical Society

Physics Subject Headings (PhySH)

Nuclear Physics

Erratum

Authors & Affiliations

P. Capel1,2,3,4,*, D. R. Phillips5,3,4,†, and H.-W. Hammer3,4,‡

  • 1Institut für Kernphysik, Johannes Gutenberg-Universität Mainz, 55099 Mainz, Germany
  • 2Physique Nucléaire et Physique Quantique (CP 229), Université libre de Bruxelles (ULB), B-1050 Brussels, Belgium
  • 3Institut für Kernphysik, Technische Universität Darmstadt, 64289 Darmstadt, Germany
  • 4ExtreMe Matter Institute EMMI, GSI Helmholtzzentrum für Schwerionenforschung GmbH, 64291 Darmstadt, Germany
  • 5Institute of Nuclear and Particle Physics and Department of Physics and Astronomy, Ohio University, Athens, Ohio 45701, USA

  • *pcapel@uni-mainz.de
  • phillid1@ohio.edu
  • hans-werner.hammer@physik.tu-darmstadt.de

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Issue

Vol. 98, Iss. 3 — September 2018

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