1104.4934 (Liang Tang et al.)

Study of Doubly Heavy Baryon Spectrum via QCD Sum Rules    [PDF]

Liang Tang, Xu-Hao Yuan, Cong-Feng Qiao, Xue-Qian Li

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.

View original: http://arxiv.org/abs/1104.4934