Electroweak matrix elements at large Nc: matching quarks to mesons

Details Electroweak matrix elements at large Nc: matching quarks to mesons Electroweak matrix elements at large Nc: matching quarks to mesons

2002-04-16

arxiv.org/abs/hep-ph/0204181v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

12 pages, 2 figures. Invited talk given at ``The Phenomenology of Large-Nc QCD'', Arizona State U., January 9-11, 2002. A comm

Scientific paper

I review some progress made on the problem of calculating electroweak
processes of mesons at low energy with the use of an approximation to large-Nc
QCD which we call the Minimal Hadronic Approximation. An update of results for
the matrix elements of the electroweak penguin operators Q7 and Q8 is also
given.

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