Four-quark operators in hadrons

Details Four-quark operators in hadrons Four-quark operators in hadrons

2000-10-26

arxiv.org/abs/hep-lat/0010043v1

Nucl.Phys.Proc.Suppl.94:299-302,2001

Physics

High Energy Physics

High Energy Physics - Lattice

Lattice 2000 (Hadronic Matrix Elements), 4 pages, 2 figures

Scientific paper

10.1016/S0920-5632(01)00940-9

We present calculations of matrix elements of 4-quark operators in the pion
and in the nucleon extracted from quenched Monte Carlo simulations at beta =
6.0 using Wilson fermions. These operators are relevant for higher-twist
effects. We are particularly careful to avoid mixing with lower-dimensional
operators by choosing appropriate flavour structures.

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