K anti-K Mixing in the Standard Model

1985
8 pages
Published in:
  • Phys.Lett.B 158 (1985) 477-484
  • Published: 1985

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Abstract: (Elsevier)
We present a new calculation of the B parameter which governs the short distance contribution to the K 0 - K 0 off-diagonal mass matrix. The calculation combines the information provided by the effective chiral lagrangian realization of QCD at long distances with the perturbative behaviour of QCD at short distances via the local duality approach. The result exhibits an explicit renormalization scale dependence which exactly cancels with the corresponding dependence in the Wilson coefficient.
  • INTERFERENCE: (K0 ANTI-K0)
  • QUANTUM CHROMODYNAMICS: PERTURBATION THEORY
  • DUALITY
  • RENORMALIZATION: DEPENDENCE
  • FIELD THEORY: EFFECTIVE LAGRANGIANS
  • PERTURBATION THEORY: CHIRAL
  • TWO-POINT FUNCTION
  • SUM RULE
  • NUMERICAL CALCULATIONS