Study of Doubly Heavy Baryon Spectrum via QCD Sum Rules

Details Study of Doubly Heavy Baryon Spectrum via QCD Sum Rules Study of Doubly Heavy Baryon Spectrum via QCD Sum Rules

2011-04-26

arxiv.org/abs/1104.4934v3

Commun. Theor. Phys. 57 (2012) 435

Physics

High Energy Physics

High Energy Physics - Phenomenology

23 pages, 9 figures, minor corrections in expressions

Scientific paper

In this work, we calculate the mass spectrum of doubly heavy baryons with the diquark model in terms of the QCD sum rules. The interpolating currents are composed of a heavy diquark field and a light quark field. Contributions of the operators up to dimension six are taken into account in the operator product expansion. Within a reasonable error tolerance, our numerical results are compatible with other theoretical predictions. This indicates that the diquark picture reflects the reality and is applicable to the study of doubly heavy baryons.

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