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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 in the St<strong>and</strong>ard Model<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 />

Unique origin of flavour in the st<strong>and</strong>ard model:<br />

Yukawa Couplings of the Quarks: Y (u)<br />

ij<br />

<strong>and</strong> Y (d)<br />

ij<br />

=⇒ Two Mass Matrices<br />

for the (up- <strong>and</strong> down-type) Quarks:<br />

M (q)<br />

ij<br />

= vY (q)<br />

ij<br />

(q = u, d)<br />

Mass Eigenstates: Relative Rotation<br />

between M (u) <strong>and</strong> M (d) : <strong>CKM</strong> <strong>Matrix</strong><br />

Appears in the mass-eigenbasis only in the charged<br />

current interactions<br />

Neutral currents remain diagonal: Neutral Higgs<br />

particles couple with the diagonal mass matrices<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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