Chiral Condensates, Q7and Q8Matrix Elements and Large-NcQCD | Zendy

Samuel Friot | Zendy; David Greynat | Zendy; Eduardo de Rafael | Zendy; Proxy ccsd ccsd- | Zendy

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Chiral Condensates, Q₇and Q₈Matrix Elements and Large-N_cQCD

Author(s) -

Samuel Friot,

David Greynat,

Eduardo de Rafael,

Proxy ccsd ccsd-

Publication year - 2004

Publication title -

journal of high energy physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.998

H-Index - 261

eISSN - 1126-6708

pISSN - 1029-8479

DOI - 10.1088/1126-6708/2004/10/043

Subject(s) - quantum chromodynamics , physics , electroweak interaction , matrix (chemical analysis) , limit (mathematics) , particle physics , dimension (graph theory) , correlation function (quantum field theory) , current (fluid) , function (biology) , combinatorics , quantum mechanics , mathematics , materials science , mathematical analysis , thermodynamics , evolutionary biology , biology , dielectric , composite material

The correlation function of a $V-A$ current with a $V+A$ current is discussedwithin 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 andhigher, as well as to the matrix elements of the $Q_7$ and $Q_8$ electroweakpenguin operators are discussed. A critical comparison with previousdeterminations of the same parameters has also been made.Comment: Layout modified, size of first figure correcte

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