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Quark–Diquark Structure and Masses of Doubly Charmed Baryons

  • Elementary Particles and Fields
  • Theory
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Abstract

finite size of a doubly heavy diquark yields a positive correction to baryon masses calculated in the local-diquark approximation. Upon evaluating this correction for the ground states of doubly charmed baryons, it became possible to obtain new predictions of importance for current searches of these baryons in LHCb experiments: \(m[\Xi _{cc}^{1/{2^{ + + }}}] \approx m[\Xi _{cc}^{1/{2^{ + + }}}]\) = 3615 ± 55 MeV and \(m[\Xi _{cc}^{3/{2^{ + + }}}] \approx m[\Xi _{cc}^{3/{2^{ + + }}}]\) 3747 ± 55 MeV

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Authors and Affiliations

  1. Moscow Institute of Physics and Technology (State University), Institutskii per. 9, Dolgoprudnyi, Moscow oblast, 141700, Russia

    V. V. Kiselev & A. K. Likhoded

  2. Skobeltsyn Institute of Nuclear Physics, Moscow State University, Moscow, 119991, Russia

    A. V. Berezhnoy

  3. Institute for High Energy Physics, National Research Center Kurchatov Institute, pl. Nauki 1, Protvino, Moscow Oblast, 142280, Russia

    A. K. Likhoded

Authors
  1. V. V. Kiselev
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  2. A. V. Berezhnoy
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  3. A. K. Likhoded
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Correspondence to V. V. Kiselev.

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Original Russian Text © V.V. Kiselev, A.V. Berezhnoy, A.K. Likhoded, 2018, published in Yadernaya Fizika, 2018, Vol. 81, No. 3, pp. 356–359.

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Kiselev, V.V., Berezhnoy, A.V. & Likhoded, A.K. Quark–Diquark Structure and Masses of Doubly Charmed Baryons. Phys. Atom. Nuclei 81, 369–372 (2018). https://doi.org/10.1134/S1063778818030134

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  • DOI: https://doi.org/10.1134/S1063778818030134

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