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Meson Distribution Amplitudes

URN to cite this document:
urn:nbn:de:bvb:355-epub-402863
DOI to cite this document:
10.5283/epub.40286
Porkert, Florian Anton Christoph
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License: Creative Commons Attribution 4.0
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Date of publication of this fulltext: 03 Jun 2019 10:31


Abstract (English)

In this thesis we update the theoretical framework for the QCD calculations of $\gamma^* \gamma \!\to\! \eta$ and $\gamma^* \gamma \!\to\! \eta^\prime$ transition form factors at large photon virtualities. This includes a full next-to-leading order analysis of perturbative corrections as well as charm quark contributions, while also taking into account $SU(3)$-flavor breaking effects and axial ...

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Translation of the abstract (German)

In dieser Arbeit aktualisieren wir das theoretische Gerüst, welches die Grundlage für QCD-Berechnungen von $\gamma^* \gamma \! \to \! \eta$ und $\gamma^* \gamma \! \to \! \eta^\prime$ Übergangsformfaktoren bei großen Photonenvirtualitäten darstellt. Dies beinhaltet eine vollständige Analyse von Schleifenkorrekturen in nächstführender Ordnung, inclusive den zugehörigen Charm-Quark-Beiträgen, als ...

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