Nucleon generalized form factors from two-flavor lattice QCD and stochastic three-point functions with open indices

URN to cite this document:: urn:nbn:de:bvb:355-epub-440715
DOI to cite this document:: 10.5283/epub.44071

Rödl, Rudolf H.

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Date of publication of this fulltext: 09 Nov 2020 12:06

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Item type:	Thesis of the University of Regensburg (PhD)
Open Access Type:	Primary Publication
Date:	9 November 2020
Referee:	Prof. Dr. Andreas Schäfer
Date of exam:	23 October 2020
Institutions:	Physics > Institute of Theroretical Physics > Chair Professor Schäfer > Group Andreas Schäfer
Keywords:	Lattice QCD; stochastic estimator; GFFs; Generalized Form Factors; GPDs; Generalized Parton Distribution functions; stochastic three-point functions; Nucleon
Dewey Decimal Classification:	500 Science > 530 Physics
Status:	Published
Refereed:	Yes, this version has been refereed
Created at the University of Regensburg:	Yes
Item ID:	44071

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Abstract (English)

Large scale lattice QCD computer simulations are used to compute all quark generalized form factors of the nucleon at leading twist-2.
The lattice calculation includes the connected contributions and
neglects contributions from disconnected diagrams.
An effective method for the computation of baryon three-point functions is presented in the second part of this work. The key ingredient of this method is based on a factorization of the entire correlation function into two parts.

Translation of the abstract (German)

Aufwändige Gitter-QCD Simulationen wurden genutzt um alle generalisierten Quark-Formfaktoren des Nukleons zu berechnen. Dabei wurden nur Beiträge von Diagrammen mit Quark-verbundenen Schleifen berücksichtigt. Im zweiten Teil dieser Arbeit wird eine effektive Methode zur Berechnung von Baryon Drei-Punkt-Funktionen vorgestellt, welche auf einer Faktorisierung der Korrelationsfunktion in zwei Bestandteile beruht.

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