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Parton distributions: applications and models

Stefan Kofler
(
- Graz U.
)

2017

181 pages

Supervisor:

Wolfgang Schweiger

Thesis: PhD

Graz U.

(2017)

Published: 2017

URN/HDL:

urn:nbn:at:at-ubg:1-109141

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Abstract: (Graz U.)

High energy scattering processes are an essential tool for understanding the substructure of hadrons in terms of their constituents, i.e. quarks and gluons.The theory which describes the dynamics of quarks and gluons inside hadrons is called quantum chromodynamics (QCD).Using QCD for the description of high energy particle collisions is a very challenging task. Its applicability rests on the concept of factorization: the scattering process is separated into a part where one can use well established perturbative methods and into a part where the complicated hadron structure is parameterized by phenomenological functions.Those functions are the, so called, parton distribution functions. Factorization can be rigorously proved (so-called factorization theorems) only for a few specific examples.But it is plausibly assumed to hold at high-energies.The thesis is organized as follows:After a short introduction we investigate the exclusive production of charmed hadrons using a factorization based approach in the first main part of this thesis.To be more specific, we consider the following two processes: \( \pi - p \rightarrow D - \Lambda_

Parton
Verteilungsfunktion
thesis
parton: distribution function
energy: high
factorization
charmed meson: production
charmed baryon: production
quantum chromodynamics
quark

References(121)

Figures(0)

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