Update on the physics of light pseudoscalar mesons

Details Update on the physics of light pseudoscalar mesons Update on the physics of light pseudoscalar mesons

Dec 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006slft.confe.163s&link_type=abstract

Proceedings of the XXIVth International Symposium on Lattice Field Theory. July 23-28, 2006, Tucson, Arizona., p.163.1

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Scientific paper

We present an update of the MILC investigation of the properties of light pseudoscalar mesons using three flavors of improved staggered quarks. Results are presented for the π and K leptonic decay constants, the CKM matrix element Vus , the up, down and strange quark masses, and the coefficients of the O(p4 ) chiral lagrangian. We have new data for lattice spacing a ≈ 0.15 fm with several values of the light quark mass down to one-tenth the strange quark mass, higher statistics for a ≈ 0.09 fm with the light quark mass equal to one-tenth the strange quark mass, and initial results for our smallest lattice spacing, a ≈ 0.06 fm with light quark mass two-fifths of the strange quark mass.

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