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The excited hadron spectrum in lattice QCD using a new variance reduction method
The excited hadron spectrum lattice QCD
2011/1/7
Progress in calculating the spectrum of excited baryons and mesons in lattice QCD is described. Correlation matrices of sets of spatially-extended hadron operators have been studied and their effectiv...
The phase-shift of isospin-2 pi-pi scattering from lattice QCD
phase-shift isospin-2 pi-pi scattering lattice QCD
2011/1/14
Finite-volume lattice QCD calculations o er the possibility of extracting resonance parameters
from the energy-dependent elastic phase-shift computed using the Luscher technique. In this letter,as a...