Extracting Low-Lying Lambda Resonances Using Correlation Matrix Techniques

Details Extracting Low-Lying Lambda Resonances Using Correlation Matrix Techniques Extracting Low-Lying Lambda Resonances Using Correlation Matrix Techniques

2011-02-17

arxiv.org/abs/1102.3492v1

AIP Conf.Proc.1354:213-215,2011

Physics

High Energy Physics

High Energy Physics - Lattice

3 pages, 1 figure, submitted to the proceedings of T(R)OPICAL QCD II, Cairns, Australia, 2010

Scientific paper

10.1063/1.3587609

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.

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