Testing QCD Sum Rule Techniques on the Lattice

Details Testing QCD Sum Rule Techniques on the Lattice Testing QCD Sum Rule Techniques on the Lattice

1994-05-03

arxiv.org/abs/nucl-th/9405002v2

Phys.Rev. D51 (1995) 6369-6382

Physics

Nuclear Physics

Nuclear Theory

Discussion of systematic uncertainties augmented

Scientific paper

10.1103/PhysRevD.51.6369

Results for the first test of the ``crude'' QCD continuum model, commonly used in QCD Sum Rule analyses, are presented for baryon correlation functions. The QCD continuum model is found to effectively account for excited state contributions to the short-time regime of two-point correlation functions and allows the isolation of ground state properties. Confusion in the literature surrounding the physics represented in point-to-point correlation functions is also addressed. These results justify the use of the ``crude'' QCD continuum model and lend credence to the results of rigorous QCD Sum Rule analyses.

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