B_K from improved staggered quarks

C. T. H. Davies; E. Gamiz; J. Shigemitsu; M. Wingate (HPQCD; S. Collins; UKQCD Collaborations)

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B_K from improved staggered quarks

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arxiv hep-lat/0409049 v1 pith:TUK5QSUU submitted 2004-09-13 hep-lat hep-ph

E. Gamiz , S. Collins , C. T. H. Davies , J. Shigemitsu , M. Wingate (HPQCD , UKQCD collaborations) This is my paper · ORCID

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keywords improvedquarksstaggeredcalculationsasqtadbehaviourcalculationcompare

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We compare calculations of B_K with improved staggered quarks (HYP, Asqtad) and demonstrate the improved scaling behaviour that this gives rise to over previous calculations with unimproved staggered quarks. This enables us to perform the calculation of B_K on the MILC dynamical configurations (n_f=2+1), for which we give preliminary results.

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