Journal
JOURNAL OF HIGH ENERGY PHYSICS
Volume -, Issue 10, Pages -Publisher
SPRINGER
DOI: 10.1088/1126-6708/2004/10/043
Keywords
nonperturbative effects; 1/N expansion; QCD
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Funding
- ICREA Funding Source: Custom
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The correlation function of a V - A current with a V + A current is discussed within the framework of QCD in the limit of a large number of colours N-c. Applications to the evaluation of chiral condensates of dimension six and higher, as well as to the matrix elements of the Q(7) and Q(8) electroweak penguin operators are discussed. A critical comparison with previous determinations of the same parameters has also been made.
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