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Search for Exotic States in 13C

  • FIELDS, PARTICLES, AND NUCLEI
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New experimental data on the inelastic scattering of α-particles on 13C at \(E(\alpha ) = 65\) and 90 MeV with the excitation of the \(1{\text{/}}2_{3}^{ - }\) state are reported. Data are analyzed using the modified diffraction model. The determined rms radius of this state coincides within errors with the radius of the \(1{\text{/}}2_{2}^{ - }\) 8.86 MeV state in 13C and the Hoyle state in 12C. This result is an argument for a similar structure of these states. The unusual result for the compact 3/2– 9.90 MeV state in 13C has been tested by considering its isobar-analog 3/2– 9.48 MeV state in 13N. It has been found that these states have a normal non-increased radius.

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Funding

This work was supported by the Russian Foundation for Basic Research, project no. 20-32-70115.

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Authors and Affiliations

  1. National Research Center Kurchatov Institute, 123182, Moscow, Russia

    A. S. Demyanova, A. N. Danilov, S. V. Dmitriev, A. A. Ogloblin & V. I. Starastsin

  2. Moscow State University, 119991, Moscow, Russia

    S. A. Goncharov

  3. Joint Institute for Nuclear Research, 141700, Dubna, Moscow region, Russia

    D. M. Janseitov

  4. Institute of Nuclear Physics, 050032, Almaty, Republic of Kazakhstan

    D. M. Janseitov

  5. Al-Farabi Kazakh National University, 050040, Almaty, Republic of Kazakhstan

    D. M. Janseitov

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  1. A. S. Demyanova
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  2. A. N. Danilov
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  3. S. V. Dmitriev
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  4. A. A. Ogloblin
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  5. V. I. Starastsin
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  6. S. A. Goncharov
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  7. D. M. Janseitov
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Correspondence to A. S. Demyanova.

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Demyanova, A.S., Danilov, A.N., Dmitriev, S.V. et al. Search for Exotic States in 13C. Jetp Lett. 114, 303–308 (2021). https://doi.org/10.1134/S0021364021180016

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  • DOI: https://doi.org/10.1134/S0021364021180016

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