Nonleptonic Decays of Doubly Charmed Baryons

Abstract

Abstract: We have made calculation of the W-exchange contribution to the nonleptonic two-body decays of the doubly charmed baryons Ξ⁺⁺_ccΩ⁺_cc. The W-exchange contributions appear in addition to the factorizable tree graph contributions and are not suppressed in general. We make use of the covariant confined quark model to calculate the tree graph as well as the W-exchange contribution. We calculate helicity amplitudes and quantitatively compare the tree graph and W-exchange contributions.

Original language	English
Pages (from-to)	678-685
Number of pages	8
Journal	Physics of Particles and Nuclei
Volume	51
Issue number	4
DOIs	https://doi.org/10.1134/S1063779620040358
Publication status	Published - 1 Jul 2020

ASJC Scopus subject areas

Nuclear and High Energy Physics

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10.1134/S1063779620040358

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Ivanov, M. A., Körner, J. G., & Lyubovitskij, V. E. (2020). Nonleptonic Decays of Doubly Charmed Baryons. Physics of Particles and Nuclei, 51(4), 678-685. https://doi.org/10.1134/S1063779620040358

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N2 - Abstract: We have made calculation of the W-exchange contribution to the nonleptonic two-body decays of the doubly charmed baryons Ξ++ccΩ+cc. The W-exchange contributions appear in addition to the factorizable tree graph contributions and are not suppressed in general. We make use of the covariant confined quark model to calculate the tree graph as well as the W-exchange contribution. We calculate helicity amplitudes and quantitatively compare the tree graph and W-exchange contributions.

AB - Abstract: We have made calculation of the W-exchange contribution to the nonleptonic two-body decays of the doubly charmed baryons Ξ++ccΩ+cc. The W-exchange contributions appear in addition to the factorizable tree graph contributions and are not suppressed in general. We make use of the covariant confined quark model to calculate the tree graph as well as the W-exchange contribution. We calculate helicity amplitudes and quantitatively compare the tree graph and W-exchange contributions.

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