One-loop operator matching in the static heavy and domain-wall light quark system with O(a) improvement

  • Tomomi IshikawaEmail author
  • Yasumichi Aoki
  • Jonathan M. Flynn
  • Taku Izubuchi
  • Oleg Loktik


We discuss perturbative O(g 2 a) matching with static heavy quarks and domain-wall light quarks for lattice operators relevant to B-meson decays and \( {B^0} - {\bar{B}^0} \) mixing. The chiral symmetry of the light domain-wall quarks does not prohibit operator mixing at O(a) for these operators. The O(a) corrections to physical quantities are non-negligible and must be included to obtain high-precision simulation results for CKM physics. We provide results using plaquette, Symanzik, Iwasaki and DBW2 gluon actions and applying APE, HYP1 and HYP2 link-smearing for the static quark action.


Lattice QCD Heavy Quark Physics B-Physics 


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Copyright information

© SISSA, Trieste, Italy 2011

Authors and Affiliations

  • Tomomi Ishikawa
    • 1
    • 2
    Email author
  • Yasumichi Aoki
    • 2
    • 6
  • Jonathan M. Flynn
    • 3
  • Taku Izubuchi
    • 2
    • 4
  • Oleg Loktik
    • 5
  1. 1.Physics DepartmentUniversity of ConnecticutStorrsU.S.A.
  2. 2.RIKEN BNL Research CenterBrookhaven National LaboratoryUptonU.S.A.
  3. 3.School of Physics and AstronomyUniversity of SouthamptonHighfieldU.K.
  4. 4.Physics DepartmentBrookhaven National LaboratoryUptonU.S.A.
  5. 5.Physics DepartmentColumbia UniversityNew YorkU.S.A.
  6. 6.Kobayashi-Maskawa Institute for the Origin of Particles and the Universe (KMI)Nagoya UniversityNagoyaJapan

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