Use of QCD Sum Rules in the Evaluation of Weak Hadronic Matrix Elements

  • Roger Decker
Part of the Ettore Majorana International Science Series book series (EMISS, volume 31)


The kaon system constitutes a great challenge for the standard model. Recent measurements of the B lifetime and decay channels indicate that the standard model may have some difficulties in explaining the kaon physics [1]. However, firm statements are not possible because any existing phenomenological analysis is plagued by uncertainties related to the evaluation of weak hadronic matrix elements and to the socalled long distance effects. We will not expand on the long distance problem but concentrate on the short distance predictions of the standard model.


Operator Product Expansion Phenomenological Analysis Hadronic Matrix Element Kaon System Penguin Operator 
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Copyright information

© Plenum Press, New York 1987

Authors and Affiliations

  • Roger Decker
    • 1
  1. 1.Institut für Theoretische KernphysikUniversität KarlsruheKarlsruhe 1Germany

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