Investigation of exotic states of 13C

Authors

  • N. Burtebayev Institute of Nuclear Physics ME RK, Almaty, Kazakhstan
  • A.S. Demyanova SIC Kurchatov Institute, Moscow, Russia
  • A.N. Danilov SIC Kurchatov Institute, Moscow, Russia
  • Zh.K. Kerimkulov Institute of Nuclear Physics ME RK, Almaty, Kazakhstan
  • D.M. Janseitov L.N. Gumilev Eurasian National University, Astana, Kazakhstan
  • M. Nassurlla Al-Farabi Kazakh National University, Kazakstan, Almaty
  • D.K. Alimov Al-Farabi Kazakh National University, Kazakstan, Almaty
  • A.K. Shakirov Al-Farabi Kazakh National University, Kazakstan, Almaty

Keywords:

elastic and inelastic scattering, modified diffraction model, radii of the exits states

Abstract

The differential cross-sections of the elastic and inelastic α + 13С scattering were measured at E(α) = 29 in U150M cyclotron of Institute of Nuclear Physics (Almaty, Kazakhstan) and E(α) = 65 MeV in K-130 cyclotron of University of Jyvaskyla (Jyvaskyla, Finland).

The first excited state of 13C nucleus is of special interest because, it is a state with increased radius, where we can talk about the structure of a neutron halo. The observed shift of Airy minima positions shows that the state of 8.86 MeV (1/2-) 13C nucleus and the state of 7.65 MeV (0+2) 12C have much in common and, with some confidence, these levels could be called analogues of each other.

The radii of the states: 3.09 (1/2+) and 8.86 (1/2-) were determined by the Modified diffraction model (MDM) at E(α) = 65 MeV and 3.09 (1/2+) at E(α) = 29 MeV.

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Published

2016-04-27

Issue

Vol. 57 No. 2 (2016): Recent Contributions to Physics

Section

Theoretical Physics. Nuclear and Elementary Particle Physics. Astrophysics

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