Kaon semileptonic decay form factors in two-flavor QCD

Details Kaon semileptonic decay form factors in two-flavor QCD Kaon semileptonic decay form factors in two-flavor QCD

2005-10-12

arxiv.org/abs/hep-lat/0510068v1

PoS LAT2005 (2005) 357

Physics

High Energy Physics

High Energy Physics - Lattice

6 pages, 7 figures, talk presented at Lattice2005 (Weak matrix elements)

Scientific paper

We present a calculation of the kaon form factors in two-flavor QCD with the
non-perturbatively $O(a)$-improved Wilson quark action. In order to achieve a
few percent accuracy in the study of SU(3) breaking effects, we use a set of
double ratios of the matrix elements, with which the bulk of the statistical
fluctuation and the multiplicative renormalization factors cancel.

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