Comparative experimental study of the mirror N13+12C and C13+12C elastic scatterings

E. Liénard, D. Baye, Th. Delbar, P. Descouvemont, P. Duhamel, W. Galster, M. Kurokawa, P. Leleux, I. Licot, P. Lipnik, C. Michotte, T. Motobayashi, A. Ninane, J. Vanhorenbeeck, and J. Vervier
Phys. Rev. C 52, 775 – Published 1 August 1995
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Abstract

The N13 + C12 and C13 + C12 elastic cross sections are measured at the center-of-mass energies of 7.8, 9.6, and 14.2 MeV, using radioactive N13 and stable C13 beams and position-sensitive solid-state detectors. These data are analyzed with the optical model assuming the same real central part of the nuclear potential for both systems as suggested by charge symmetry. The N13 + C12 angular distributions display a significant backward rise which arises from a parity dependence of the nucleus-nucleus interaction, as for the mirror C13 + C12 system. The corresponding parity terms in both potentials are similar when the different charges of the exchanged nucleons and their different binding energies are properly taken into account. A smaller imaginary part is obtained for N13 + C12 than for C13 + C12, which might be due to a smaller number of open two-body inelastic and direct reaction channels.

  • Received 12 December 1994

DOI:https://doi.org/10.1103/PhysRevC.52.775

©1995 American Physical Society

Authors & Affiliations

E. Liénard, D. Baye, Th. Delbar, P. Descouvemont, P. Duhamel, W. Galster, M. Kurokawa, P. Leleux, I. Licot, P. Lipnik, C. Michotte, T. Motobayashi, A. Ninane, J. Vanhorenbeeck, and J. Vervier

  • Institut de Physique Nucléaire, Université Catholique de Louvain, B 1348 Louvain-la-Neuve, Belgium
  • Physique Nucléaire Théorique et Physique Mathématique, C.P. 229, Université Libre de Bruxelles, B 1050 Brussels, Belgium
  • Institut d’Astronomie et d’Astrophysique, C.P. 226, Université Libre de Bruxelles, B 1050 Brussels, Belgium
  • Department of Physics, Rikkyo University, Toshima, Tokyo 171, Japan

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Vol. 52, Iss. 2 — August 1995

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