Single-particle resonance levels in 14O examined by 13N + p elastic resonance scattering

T. Teranishi, S. Kubono, H. Yamaguchi, J. J. He, A. Saito, H. Fujikawa, G. Amadio, M. Niikura, S. Shimoura, Y. Wakabayashi, S. Nishimura, M. Nishimura, J. Y. Moon, C. S. Lee, A. Odahara, D. Sohler, L. H. Khiem, Z. H. Li, G. Lian, W. P. Liu

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Single-particle properties of low-lying resonance levels in 14O have been studied efficiently by utilizing a technique of proton elastic resonance scattering with a 13N secondary beam and a thick proton target. The excitation functions for the 13N + p elastic scattering were measured over a wide energy range of ECM = 0.4 - 3.3   MeV and fitted with an R-matrix calculation. A clear assignment of Jπ = 2- has been made for the level at Ex = 6.767 (11)   MeV in 14O for the first time. The excitation functions show a signature of a new 0- level at Ex = 5.71 (2)   MeV with Γ = 400 (100)   keV. The excitation energies and widths of the 14O levels are discussed in conjunction with the spectroscopic structure of A = 14 nuclei with T = 1.

Original languageEnglish
Pages (from-to)129-134
Number of pages6
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Issue number2-3
Publication statusPublished - Jun 28 2007

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics


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