Study of resonance states in 12N using a radioactive ion beam of 11C

T. Teranishi, S. Kubono, S. Shimoura, M. Notani, Y. Yanagisawa, S. Michimasa, K. Ue, H. Iwasaki, M. Kurokawa, Y. Satou, T. Morikawa, A. Saito, H. Baba, J. H. Lee, C. S. Lee, Zs Fülöp, S. Kato

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Resonance states in 12N were studied by using the resonance elastic scattering of 11C + p with a low-energy radioactive ion beam of 11C at 3.5 MeV/nucleon and a thick (CH2)n target. The 11C beam was separated by a newly installed CNS radioactive ion beam separator (CRIB). The energy spectrum of recoil protons was measured at laboratory scattering angles around θLAB = 0° to identify resonance states in 12N. The spin-parity values of Jπ = 3- and (2)+ have been determined for the levels at the excitation energies of Ex = 3.1 and 3.6 MeV in 12N, respectively, suggesting a small contribution of the 3.1-MeV level to the 11C(p,γ)12N stellar reaction.

Original languageEnglish
Pages (from-to)27-32
Number of pages6
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Issue number1-2
Publication statusPublished - Mar 13 2003
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics


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