Preliminary analysis of K->pi pi with 2+1 flavor DWF lattices on QCDOC

Details Preliminary analysis of K->pi pi with 2+1 flavor DWF lattices on QCDOC Preliminary analysis of K->pi pi with 2+1 flavor DWF lattices on QCDOC

Dec 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006slft.confe..88l&link_type=abstract

Proceedings of the XXIVth International Symposium on Lattice Field Theory. July 23-28, 2006, Tucson, Arizona., p.88.1

Physics

Scientific paper

We present a progress report on the calculation of the K → ππ weak matrix elements on the RBC/UKQCD 2+1 flavor dynamical DWF lattices. For this calculation, the relevant K → π matrix elements are calculated and renormalized in the RI/MOM scheme. We have tried using leading- order chiral perturbation theory to extrapolate the matrix elements and this effort eventually shows the necessity of obtaining the next-to-leading order partially quenched chiral perturbation theory for non-degenerate sea quark masses. The analysis is conducted on 163 × 32 lattices.

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