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Paper detail

Calculating $B_K$ using HYP staggered fermions

We give an update on our calculation of $B_K$ using HYP-smeared valence staggered quarks. We have results for $B_K$ at tree-level on several coarse MILC lattices ($a\approx 0.12 $fm) and one of the fine lattices ($a\approx 0.09 $fm), using 10 light valence quarks ranging down to $m_s^{\rm phys}/10$. We have generalized staggered chiral perturbation theory to our mixed action setup, and outline the results. We explain our present fitting strategy, and give some preliminary results.

preprint2008arXivOpen access
Taegil BaeHyung-Jin KimJongjeong KimKwangwoo KimBoram YoonWeonjong LeeChulwoo JungStephen R. Sharpe
hep-lat
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Taegil BaeHyung-Jin KimJongjeong KimKwangwoo KimBoram YoonWeonjong LeeChulwoo JungStephen R. Sharpe

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