Low-energy states in N-11 and two-proton emission of O-12

C. Angulo, E. Casarejos, P. Demaret, M. Gaelens, P. Leleux, M. Loiselet, A. Ninane, G. Ryckewaert, F. Vanderbist, M. Aliotta, T. Davinson, Z. Liu, A. S. Murphy, I. A. Roberts, P. J. Woods, J. S. Schweitzer, F. C. Barkert, P. Descouvemont

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

We have investigated the low-energy states of N-11 by the elastic scattering method in inverse kinematics using a C-10 beam and a (CD2)(n) target. Recoil protons were detected at 16 laboratory angles theta(lab) - 4.6 degrees - 18.9 degrees in a Delta E - E detector system. Using the R-matrix method to analyse the C-10 + p elastic cross sections, we found N-11 to be unbound with respect to proton emission by 1.54 +/- 0.02 MeV with a decay width of 0.83 +/- 0.03. These results are used to calculate the two-proton decay width of the O-12 ground state.

Original languageEnglish
Title of host publicationFrontiers in Nuclear Structure Astrophysics, and Reactions: FINUSTAR
EditorsS Harissopulos, P Demetriou, R Julin
Place of PublicationMELVILLE
PublisherAmerican Institute of Physics
Pages360-364
Number of pages5
ISBN (Print)0-7354-0323-6
Publication statusPublished - 2006
EventInternational Conference on Frontiers in Nuclear Structure, Astrophysics and Reactions (FINUSTAR) - Kos
Duration: 12 Sep 200517 Sep 2005

Conference

ConferenceInternational Conference on Frontiers in Nuclear Structure, Astrophysics and Reactions (FINUSTAR)
CityKos
Period12/09/0517/09/05

Keywords

  • N-11
  • radioactive beam
  • elastic scattering
  • R-matrix
  • two-proton decay
  • UNBOUND NUCLEUS N-11
  • LOW-LYING LEVELS
  • GROUND-STATE
  • BE-11
  • WIDTHS

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