Investigation of exotic states of 13C at low energy

N. Burtebayev, Daniyar M. Janseitov, Zh. Kerimkulov, Yerzhan Mukhamejanov, Marzhan Nassurlla, Alla S. Demyanova, А. Н. Данилов, A. A. Ogloblin, A. Aimaganbetov

2018

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DOI 10.1142/s0218301318500258

Data confidence 70 medium

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Abstract

The differential cross-sections of the elastic and inelastic [Formula: see text]C scattering have been measured at E[Formula: see text][Formula: see text]MeV. The radii of the exited states: 3.09 [Formula: see text] and 8.86 [Formula: see text] MeV were determined using the Modified Diffraction Model. The radii of these excited states are larger than that of the ground state of [Formula: see text]C, confirming the suggestion that the 8.86 [Formula: see text] MeV state could be an analog of the Hoyle state in [Formula: see text]C and the 3.09 [Formula: see text] MeV state has a neutron halo. The possibility of coexistence of various exotic states in the structure of the [Formula: see text]C nucleus is shown.