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Coupled-channel study of axial-vector mesons with realistic t- and u-channel exchanges

Hofmann, Julian (2010)
Coupled-channel study of axial-vector mesons with realistic t- and u-channel exchanges.
Technische Universität
Ph.D. Thesis, Primary publication

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Item Type: Ph.D. Thesis
Type of entry: Primary publication
Title: Coupled-channel study of axial-vector mesons with realistic t- and u-channel exchanges
Language: English
Referees: Lutz, Priv. Doz. Matthias F. M. ; Fischer, Prof. Dr. Christian
Date: 20 May 2010
Place of Publication: Darmstadt
Date of oral examination: 17 February 2010
Abstract:

In this thesis, the significance of t- and u-channel exchange processes in the formation of axial-vector mesons is studied. The analysis is based on a chiral Lagrangian for light vector mesons. A non-linear integral equation based on unitarity and causality is used to unitarize the scattering amplitude. This leads to the formation of axial-vector molecules.

Alternative Abstract:
Alternative AbstractLanguage

Untersucht wird die Bedeutung von t- und u-Kanal Austauschprozessen bei der Erzeugung von Axialvektormesonen. Die Analyse basiert auf einem chiralen Lagrangian für leichte Vektormesonen. Eine nicht-lineare Integralgleichung, die auf Unitarität und Kausalität basiert, wird verwendet, um die Streuamplitude zu unitarisieren. Dies führt zur Entstehung von Axialvektor-Molekülen.

German
URN: urn:nbn:de:tuda-tuprints-21638
Classification DDC: 500 Science and mathematics > 530 Physics
Divisions: 05 Department of Physics > Institute of Nuclear Physics
Date Deposited: 15 Jun 2010 10:41
Last Modified: 07 Dec 2012 11:57
URI: https://tuprints.ulb.tu-darmstadt.de/id/eprint/2163
PPN: 224205838
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