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Article Dans Une Revue Physics Letters B Année : 2001

A critical reassessment of Q7 and Q8 matrix elements

Résumé

We compare recent theoretical determinations of weak matrix elements of the electroweak penguin operators Q7 and Q8. We pay special attention to the renormalization scheme dependence of these determinations as well as to the influence of higher dimension operators in the different approaches.

Dates et versions

hal-00002300 , version 1 (23-07-2004)

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Marc Knecht, S. Peris, Eduardo de Rafael. A critical reassessment of Q7 and Q8 matrix elements. Physics Letters B, 2001, 508, pp.117-126. ⟨hal-00002300⟩
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