Functional forms for lattice correlators at small times

@inproceedings{Blythe2002FunctionalFF,
  title={Functional forms for lattice correlators at small times},
  author={Danielle Blythe},
  year={2002}
}
where M is the mass of the ground state, and Γ is channel dependent. The presence of the decaying exponential has led to investigations being focused on the large Euclidean time “tails” of the two-point functions, and data at small times being discarded. The question was asked, “Is there a way of obtaining information from short times?”. The answer was “Yes” a QCD Sum Rules approach. Lattice QCD allows the determination of correlation functions deep within the non-perturbative region. QCD Sum… CONTINUE READING

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