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Paper detail

Extracting Low-Lying Lambda Resonances Using Correlation Matrix Techniques

The lowest-lying negative-parity state of the Lambda is investigated in (2+1)-flavour full-QCD on the PACS-CS configurations made available through the ILDG. We show that a variational analysis using multiple source and sink smearings can extract a state lying lower than that obtained by using a standard fixed smeared source and sink operator alone.

preprint2011arXivOpen access
Benjamin J. MenadueWaseem KamlehDerek B. LeinweberM. S. Mahbub
hep-lat
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Benjamin J. MenadueWaseem KamlehDerek B. LeinweberM. S. Mahbub

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