Violation Of The $ΔI = 1/2$ Rule In $D \to ππ$ Decays

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Abstract

A strong violation of the $\displaystyle{\Delta I = {1\over 2}} $ rule has experimentally been found in the $\displaystyle{D \to \pi\pi}$ decays [1]. In this letter we will show that the order of magnitude of this violation can be understood in terms of the pure quantum chromo dynamics corrections to the weak interactions.
Original languageEnglish
JournalPhysics Letters B: Particle Physics, Nuclear Physics and Cosmology
Volume322
Issue number3
Pages (from-to)259-262
ISSN0370-2693
DOIs
Publication statusPublished - 20. Sep 1993
Externally publishedYes

Bibliographical note

Pages 13

Keywords

  • hep-ph

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