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

Hofmann, Julian :
Coupled-channel study of axial-vector mesons with realistic t- and u-channel exchanges.
TU Darmstadt
[Ph.D. Thesis], (2010)

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Item Type: Ph.D. Thesis
Title: Coupled-channel study of axial-vector mesons with realistic t- and u-channel exchanges
Language: English
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
Classification DDC: 500 Naturwissenschaften und Mathematik > 530 Physik
Divisions: Fachbereich Physik > Kernphysik
Date Deposited: 15 Jun 2010 10:41
Last Modified: 07 Dec 2012 11:57
URN: urn:nbn:de:tuda-tuprints-21638
License: Creative Commons: Attribution-Noncommercial-No Derivative Works 3.0
Referees: Lutz, Priv. Doz. Matthias F.M. and Fischer, Prof. Dr. Christian
Refereed: 17 February 2010
URI: http://tuprints.ulb.tu-darmstadt.de/id/eprint/2163
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