Eur. Phys. J. Special Topics 150, 207-210 (2007)
DOI: 10.1140/epjst/e2007-00305-6

Mapping of the ¹²C* states via the ¹⁰B(³He,p ) reaction

M.J.G. Borge¹, M. Alcorta^{1, 0}, H.O.U. Fynbo², G. Garcia³, H.B. Jeppesen¹, O. Kirsebom², M. Madurga¹, G. Nyman⁴, D. Obradors^{1, 3} and O. Tengblad<sup>1

1</sup>  Instituto de Estructura de la Materia, CSIC, 28006 Madrid, Spain
²  Department of Physics and Astronomy, University of Aarhus, 8000 Århus, Denmark
³  CMAM, Universidad Autónoma de Madrid, Cantoblanco, 28049 Madrid, Spain
⁴  Fundamental Physics, Chalmers University of Technology, 41296 Göteborg, Sweden

(Received: January 31, 2007 / Published online: 8 December 2007)

Abstract
We have studied ¹²C in full kinematics via the ¹⁰B(³He,p ) reaction at an energy of 2.45 MeV. In our data we have identified states in ¹²C from the ground state up to about 18 MeV, with spins ranging from 0 to 4. Due to the very good resolution, we are able to determine properties of these ¹²C resonances, such as their energy, width, and spin. In this contribution preliminary results from the ongoing analysis are presented. Main focus on the precise determination of the breakup spectra for all resonances.

PACS
21.10.-k - Properties of nuclei: nuclear energy levels.
21.10.Hw - Spin, parity and isobaric spin.
25.55.-e - ³H-, ³He-, and ⁴He-induced reactions.
27.20.+n - A .

© EDP Sciences, Springer-Verlag 2007