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

Francesco Sannino

doi:10.1016/0370-2693(94)91117-7

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

Francesco Sannino

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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 language	English
Journal	Physics Letters B: Particle Physics, Nuclear Physics and Cosmology
Volume	322
Issue number	3
Pages (from-to)	259-262
ISSN	0370-2693
DOIs	https://doi.org/10.1016/0370-2693(94)91117-7
Publication status	Published - 20. Sep 1993
Externally published	Yes

Bibliographical note

Pages 13

Keywords

hep-ph

Documents & Links

10.1016/0370-2693(94)91117-7

Open Access VersionSubmitted manuscript, 77.6 KB

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

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. ",

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N2 - 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.

AB - 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.

KW - hep-ph

U2 - 10.1016/0370-2693(94)91117-7

DO - 10.1016/0370-2693(94)91117-7

M3 - Journal article

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JO - Physics Letters B: Particle Physics, Nuclear Physics and Cosmology

JF - Physics Letters B: Particle Physics, Nuclear Physics and Cosmology

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