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Study of the unbound nucleus N-11 by elastic resonance scattering

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DOI: 10.1103/PhysRevC.54.R1511
OAI: oai:inspirehep.net:438961
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INSPIRE-HEP
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Abstract

Resonances in the unbound nucleus N11 have been studied, using the resonance scattering reaction C10+p. The data give evidence for three states above the C10+p threshold with energies 1.30, 2.04, and 3.72 MeV. These states can be interpreted, in a potential-model analysis, as the ground state and the first two excited states with spin-parity 12+, 12−, and 52+ arising from the shell-model orbitals 1s12, 0p12, and 0d52. A narrow state superposed on a broad structure found at higher energy could be interpreted as the mirror state of the 32− in Be11 shifted down in energy. This shift would suggest a large radius of the potential.

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