$Re(A_0)$, $Re(A_2)$ and RG evolution for $N_f=3$

Keunsu Choi; Weonjong Lee

doi:10.1016/j.nuclphysbps.2004.11.189

paper

$R e (A_{0})$ , $R e (A_{2})$ and RG evolution for $N_{f} = 3$

arXiv:hep-lat/0409020 · doi:10.1016/j.nuclphysbps.2004.11.189

Abstract

We present results of $R e (A_{0})$ and $R e (A_{2})$ calculated using HYP staggered fermions on the lattice of $1 6^{3} \times 64$ at $β = 6.0$ . These results are obtained using leading order chiral perturbation in quenched QCD. Buras's original RG evolution matrix develops a removable singularity for $N_{f} = 3$ . This subtlety is resolved by finding a finite solution to RG equation and the results are presented.

3 pages, 4 figures, contribution to Lattice 2004 International Symposium

Re(A0​), Re(A2​) and RG evolution for Nf​=3

Abstract

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$R e (A_{0})$ , $R e (A_{2})$ and RG evolution for $N_{f} = 3$