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

Authors
Teranishi, T.Kubono, S.Yamaguchi, H.He, J. J.Saito, A.Fujikawa, H.Amadio, G.Niikura, M.Shimoura, S.Wakabayashi, Y.Nishimura, S.Nishimura, M.Moon, J. Y.Lee, C. S.Odahara, A.Sohler, D.Khiem, L. H.Li, Z. H.Lian, G.Liu, W. P.
Issue Date
Jun-2007
Publisher
ELSEVIER SCIENCE BV
Keywords
resonance levels; spectroscopic factors; elastic resonance scattering; radioactive ion beam
Citation
PHYSICS LETTERS B, v.650, no.2-3, pp 129 - 134
Pages
6
Journal Title
PHYSICS LETTERS B
Volume
650
Number
2-3
Start Page
129
End Page
134
URI
https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/24048
DOI
10.1016/j.physletb.2007.05.013
ISSN
0370-2693
Abstract
Single-particle properties of low-lying resonance levels in O-14 have been studied efficiently by utilizing a technique of proton elastic resonance scattering with a N-13 secondary beam and a thick proton target. The excitation functions for the N-13 + p elastic scattering were measured over a wide energy range of E-CM = 0.4-3.3 MeV and fitted with an R-matrix calculation. A clear assignment of J(pi) = 2(-) has been made for the level at E-x = 6.767 (11) MeV in O-14 for the first time. The excitation functions show a signature of a new 0(-) level at E-x = 5.71(2) MeV with F = 400(100) keV. The excitation energies and widths of the O-14 levels are discussed in conjunction with the spectroscopic structure of A = 14 nuclei with T = 1. (C) 2007 Elsevier B.V. All rights reserved.
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