Analyzing QCD Sum Rules for Heavy Baryons at Next-to-Leading Order in α_S

Details Analyzing QCD Sum Rules for Heavy Baryons at Next-to-Leading Order in α_S Analyzing QCD Sum Rules for Heavy Baryons at Next-to-Leading Order in α_S

1997-10-15

arxiv.org/abs/hep-ph/9710365v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

9 pages, LaTeX, 4 figures are included in PostScript format, talk given at the IVth International Workshop on Progress in Heav

Scientific paper

In this talk I consider QCD sum rules for the ground state heavy baryons to leading order in $1/m_Q$ and at next-to-leading order in $\alpha_S$ within the context of Heavy Quark Symmetry. The analysis is done at a fixed scale $\mu=1 GeV$. The evolution behaviour of the residues is determined by the two-loop anomalous dimension of the heavy baryon currents calculated earlier. I compare the diagonal, non-diagonal and constituent type QCD sum rules and show that the diagonal sum rules are the most reliable one. As central values for the bound state energies I find $m(\Lambda_Q)-m_Q=760 MeV$ and $m(\Sigma_Q)-m_Q=940 MeV$. The central values for the residues are given by $F(\Lambda_Q)=0.030 GeV^3$ and $F(\Sigma_Q)=0.038 GeV^3$.

Affiliated with

Also associated with

No associations

Rating

Analyzing QCD Sum Rules for Heavy Baryons at Next-to-Leading Order in α_S does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Analyzing QCD Sum Rules for Heavy Baryons at Next-to-Leading Order in α_S, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Analyzing QCD Sum Rules for Heavy Baryons at Next-to-Leading Order in α_S will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-166658