Self-Energy of Improved Staggered Quarks.

Becher, T. ; Melnikov, K.

Technical Information Center Oak Ridge Tennessee

关键词: Fermions;    Quarks;    Self-energy;    Lattice simulations;    Algebra;   

RP-ID  :  DE2003812639

学科分类：工程和技术（综合）

美国|英语

来源: National Technical Reports Library

【 摘 要 】

We calculate the fermion self-energy at O(alphas) for the Symanzik improved staggered fermion action used in recent lattice simulations by the MILC collaboration. We demonstrate that the algebraic approach to lattice perturbation theory, suggested by us recently, is a powerful tool also for improved lattice actions.