CKM Matrix Elements and CKM Angles - Theoretische Physik 1 ...
CKM Matrix Elements and CKM Angles - Theoretische Physik 1 ...
CKM Matrix Elements and CKM Angles - Theoretische Physik 1 ...
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Introduction<br />
Flavour <strong>and</strong> CPV in the St<strong>and</strong>ard Model<br />
The history of the UT since ∼ 1993<br />
Flavour Symmetries<br />
Flavour <strong>and</strong> CP Basics<br />
Peculiarities of SM CP / Flavour<br />
Three Words on Hadronic <strong>Matrix</strong> <strong>Elements</strong><br />
I-Spin (u ↔ d), U-Spin (u ↔ d), V-Spin (s ↔ d),<br />
Full SU(3)<br />
Group theory supplemented by the study of diagram<br />
topolgies:<br />
Color Suppression: ∼ 1/N c<br />
Annihilation: ∼ f B /M B<br />
Penguin contractions (of tree operators):<br />
1<br />
16π 2 ... 1<br />
→ needed to identify the contributions carrying weak<br />
phases<br />
Uncertainties O(20%), hard to estimate, hard to<br />
improve<br />
Thomas Mannel, University of Siegen<br />
<strong>CKM</strong> <strong>Matrix</strong> <strong>Elements</strong> <strong>and</strong> <strong>CKM</strong> <strong>Angles</strong>
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