Title of article
Negative-parity baryon masses using an O(a)-improved fermion action
Author/Authors
M. G?ckeler، نويسنده , , R. R. Horsley، نويسنده , , D. Pleiter، نويسنده , , P.E.L. Rakow، نويسنده , , G. Schierholz، نويسنده , , C.M. Maynard، نويسنده , , D.G. Richards، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2002
Pages
8
From page
63
To page
70
Abstract
We present a calculation of the mass of the lowest-lying negative-parity J=1/2− state in quenched QCD. Results are obtained using a non-perturbatively O(a)-improved clover fermion action, and a splitting is found between the mass of the nucleon, and its parity partner. The calculation is performed on two lattice volumes and at three lattice spacings, enabling a study of both finite-volume and finite lattice-spacing uncertainties. A comparison is made with results obtained using the unimproved Wilson fermion action.
Journal title
PHYSICS LETTERS B
Serial Year
2002
Journal title
PHYSICS LETTERS B
Record number
915491
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