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[en] We present results on hadron masses and quark condensate from Neuberger's overlap fermion. The scaling and chiral properties and finite volume effects from this new Dirac operator are studied. We find that the generalized Gell-Mann-Oakes-Renner relation is well satisfied down to the physical u and d quark mass range. We find that in the range of the lattice spacing we consider, the π and σ masses at a fixed m/π./mσ ratio have weak O(a2) dependence
Journal
Nuclear Physics. B, Proceedings Supplements; ISSN 0920-5632; 
; CODEN NPBSE7; v. 83-84(1-3); p. 636-638
; CODEN NPBSE7; v. 83-84(1-3); p. 636-638