Semileptonic Ξ c baryon decays in the light cone QCD sum rules

Form factors of the weak Ξc → Ξ(Λ) transitions are calculated within the light cone QCD sum rules. The pollution coming from the contribution of the negative parity Ξc∗ baryon is eliminated by considering the combinations of sum rules corresponding to the different Lorentz structures. Having obtaine...

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Bibliographic Details
Published in:Physical review. D 2021-09, Vol.104 (5), p.1, Article 054030
Main Authors: Aliev, T. M., Bilmis, S., Savci, M.
Format: Article
Language:English
Subjects:
Baryons
Form factors
Mathematical analysis
Sum rules
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Summary:Form factors of the weak Ξc → Ξ(Λ) transitions are calculated within the light cone QCD sum rules. The pollution coming from the contribution of the negative parity Ξc∗ baryon is eliminated by considering the combinations of sum rules corresponding to the different Lorentz structures. Having obtained the form factors, the branching ratios of the Ξc → Ξ(Λ)ℓν decays are also calculated, and our predictions are compared with the results of other approaches as well as the measurements done by the BELLE and ALICE collaborations.
ISSN:2470-0010
2470-0029
DOI:10.1103/PhysRevD.104.054030