Kaon semileptonic decay form factors with HISQ valence quarks

Fermilab Lattice and MILC Collaborations

Research output: Contribution to journalArticle

Abstract

We report on the status of our kaon semileptonic form factor calculations using the highlyimproved staggered quark (HISQ) formulation to simulate the valence fermions. We present results for the form factor f Kp + (0) on the asqtad Nf = 2+1 MILC configurations, discuss the chiral-continuum extrapolation, and give a preliminary estimate of the total error. We also present a more preliminary set of results for the same form factor but with the sea quarks also simulated with the HISQ action; these results include data at the physical light quark masses. The improvements that we expect to achieve with the use of the HISQ configurations and simulations at the physical quark masses are briefly discussed.

Original languageEnglish (US)
Article number100
JournalProceedings of Science
VolumePart F130497
StatePublished - 2012
Externally publishedYes

ASJC Scopus subject areas

  • General

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    Fermilab Lattice and MILC Collaborations (2012). Kaon semileptonic decay form factors with HISQ valence quarks. Proceedings of Science, Part F130497, [100].