Doubly heavy baryons in QCD sum rules

Details Doubly heavy baryons in QCD sum rules Doubly heavy baryons in QCD sum rules

2008-10-30

arxiv.org/abs/0810.5396v1

Phys.Rev.D78:094007,2008

Physics

High Energy Physics

High Energy Physics - Phenomenology

RevTeX 4, 11 pages with 14 eps figures, accepted for publication in Phys. Rev. D

Scientific paper

10.1103/PhysRevD.78.094007

The mass spectra of doubly heavy baryons are systematically calculated in the framework of QCD sum rules. With a tentative heavy-diquark--light-quark configuration, the interpolating currents representing the doubly heavy baryons are proposed. Contributions of the operators up to dimension six are included in operator product expansion. The numerical results are compatible with other theoretical predictions, which may support the $(QQ)-(q)$ structure of doubly heavy baryons.

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