Hadronic molecule model for the doubly charmed state Tcc+
Journal of High Energy Physics, ISSN: 1029-8479, Vol: 2022, Issue: 6
2022
- 38Citations
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
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Article Description
The mass, current coupling, and width of the doubly charmed four-quark meson Tcc+ are explored by treating it as a hadronic molecule Mcc+≡D0D∗+. The mass and current coupling of this molecule are calculated using the QCD two-point sum rule method by including into analysis contributions of various vacuum condensates up to dimension 10. The prediction for the mass m = (4060 ± 130) MeV exceeds the two-meson DD threshold 3875.1 MeV, which makes decay of the molecule Mcc+ to a pair of conventional mesons DD kinematically allowed process. The strong coupling G of particles at the vertex Mcc+D0D∗+ is found by applying the QCD three-point sum rule approach, and used to evaluate the width of the decay Mcc+→D0D∗+. Obtained result for the width Γ = (3.8 ± 1.7) MeV demonstrates that Mcc+ is wider than the resonance Tcc+.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85131874225&origin=inward; http://dx.doi.org/10.1007/jhep06(2022)057; https://link.springer.com/10.1007/JHEP06(2022)057; http://dx.doi.org/10.1007/jhep06%282022%29057; https://dx.doi.org/10.1007/jhep06%282022%29057; https://link.springer.com/article/10.1007/JHEP06(2022)057
Springer Science and Business Media LLC
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