Isospin triplet A=14 : search for states with enhanced radii

Demyanova, A. S.; Danilov, A. N.; Ogloblin, A. A.; Starastsin, V. I.; Dmitriev, S. V.; Leonova, T. I.; Goncharov, S. A.; Belyaeva, T. L.; Trzaska, W. H.; Gurov, Y. B.

doi:10.1088/1742-6596/1690/1/012034

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Demyanova, A. S., Danilov, A. N., Ogloblin, A.A., Starastsin, V. I., Dmitriev, S. V., Leonova, T. I., Goncharov, S. A., Belyaeva, T. L., Trzaska, W. H., & Gurov, Y. B. (2020). Isospin triplet A=14 : search for states with enhanced radii. In ICPPA 2020 : 5th International Conference on Particle Physics and Astrophysics (Article 012034). IOP Publishing Ltd. Journal of Physics : Conference Series, 1690. https://doi.org/10.1088/1742-6596/1690/1/012034

Julkaistu sarjassa

Journal of Physics : Conference Series

Tekijät

Demyanova, A. S. |

Danilov, A. N. |

Ogloblin, A. A. |

Starastsin, V. I. |

Dmitriev, S. V. |

Leonova, T. I. |

Goncharov, S. A. |

Belyaeva, T. L. |

Trzaska, W. H. |

Gurov, Y. B.

Päivämäärä

2020

Oppiaine

Kiihdytinlaboratorio Accelerator Laboratory

Tekijänoikeudet

This article is devoted to study of isobar-Analogue states 1- in triplet A=14: 14C-14N-14O. Previously signs of neutron halo in the 1-, 6.09 MeV state of 14C were obtained by two independent groups. In this article we propose to study neighbouring nuclei 14N and 14O using the Modified diffraction model (MDM) method and the method of Asymptotic normalization coefficients (ANC). Methods were applied to experimental differential cross sections of 14C(α,α)14C scattering and reactions 13C(3He,d)14N and 14N(3He,t)14O. MDM and ANC gave practically similar within errors radii for the studied 1- states: The 6.09 MeV state in 14C-2.7 0.1 fm, the 8.06 MeV state in 14N-2.7 0.1 fm, the 5.17 MeV state in 14O-2.6 0.2 fm. Moreover, the signs of proton halo in the 1- state of 14N were obtained for the first time.

Julkaisija

IOP Publishing Ltd

Konferenssi

International Conference on Particle Physics and Astrophysics

Kuuluu julkaisuun

ICPPA 2020 : 5th International Conference on Particle Physics and Astrophysics

ISSN Hae Julkaisufoorumista

1742-6588

Lisätietoja rahoituksesta

The work was supported by the Russian grant RSF 18-12-00312.

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