Triplet 12B-12C-12N : Search for States with Halo
Danilov, A. N., Demyanova, A. S., Ogloblin, A. A., Goncharov, S. A., Belyaeva, T. L., & Trzaska, W. H. (2020). Triplet 12B-12C-12N : Search for States with Halo. In NN2018 : Proceedings of 13th International Conference on Nucleus-Nucleus Collisions (Article 010031). Physical Society of Japan. JPS Conference Proceedings, 32. https://doi.org/10.7566/jpscp.32.010031
Julkaistu sarjassa
JPS Conference ProceedingsTekijät
Päivämäärä
2020Tekijänoikeudet
©2020 The Authors
Previously in [1] neutron halo was confirmed for the 2¯, 1.67 MeV and 1¯, 2.62 MeV states in 12B on base of Asymptotic Normalization Coefficients (ANC) method analysis of the obtained experimental data. An unexpected result was received for the unbound 3¯, 3.39 MeV state. Its halo radius was found to be increased and equal to ~5.9 fm. This result can be considered as an evidence of the halo-like structure in this 12B state. It should be noted that last neutron in this state has a non-zero orbital momentum (l = 2). So question arises about possible existence of states with halo in other members of the isobaric triplet 12B–12C–12N. We can expect the formation of a proton halo in the 2¯, 1.19 MeV and 1¯, 1.80 MeV states of 12N and 2¯, 16.62 MeV and 1¯, 17.23 MeV states of 12C. To check this prediction preliminary Modified Diffraction Model (MDM) analysis of existing (3He, t) and (3He, 3He′) experimental data was done.
Julkaisija
Physical Society of JapanEmojulkaisun ISBN
978-4-89027-145-0Konferenssi
International Conference on Nucleus-Nucleus CollisionsKuuluu julkaisuun
NN2018 : Proceedings of 13th International Conference on Nucleus-Nucleus CollisionsISSN Hae Julkaisufoorumista
2435-3892Asiasanat
Julkaisu tutkimustietojärjestelmässä
https://converis.jyu.fi/converis/portal/detail/Publication/41608545
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The work was supported by the Russian grant RSF 18-12-00312.Lisenssi
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