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000330326 020__ $$a978-3-945931-07-3
000330326 020__ $$a978-3-945931-07-3
000330326 0247_ $$2datacite_doi$$a10.3204/DESY-PROC-2016-04/Zwicky
000330326 0247_ $$2ISSN$$a1435-8077
000330326 037__ $$aPUBDB-2017-06825
000330326 041__ $$aEnglish
000330326 0881_ $$aDESY-PROC-2016-04
000330326 088__ $$2DESY$$aDESY-PROC-2016-04
000330326 1001_ $$0P:(DE-HGF)0$$aZwicky, Roman$$b0$$eCorresponding author
000330326 1112_ $$0C16-07-18.8$$2inspire$$aQuantum Field Theory at the Limits$$cDubna$$d2016-07-18 - 2016-07-30$$gHQ 2016$$wRussia
000330326 245__ $$aA brief Introduction to Dispersion Relations and Analyticity
000330326 260__ $$aHamburg$$bVerlag Deutsches Elektronen-Synchrotron$$c2017
000330326 29510 $$aZwicky, Roman "A brief Introduction to Dispersion Relations and Analyticity" in Proceedings of the Helmholtz International Summer School 2016 (HQ 2016) : Quantum Field Theory at the Limits : from Strong Fields to Heavy Quarks / Ali, Ahmed, Blaschke, David, Issadykov, Aidos, Ivanov, Mikhail (eds.), Verlag Deutsches Elektronen-Synchrotron : 2017 ; HQ 2016 : Helmholtz International Summer School 2016, 2016-07-18 - 2016-07-30, Dubna
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000330326 520__ $$aIn these lectures we provide a basic introduction into the topic of dispersion relation and analyticity. The properties of 2-point functions are discussed in some detail from the viewpoint of the K\"all\'en-Lehmann and general dispersion relations. The Weinberg sum rules figure as an application. The analytic structure of higher point functions in perturbation theory are analysed through the Landau equations and the Cutkosky rules.
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000330326 7870_ $$0PUBDB-2017-01598$$aAli, Ahmed et. al.$$dVerlag Deutsches Elektronen-Synchrotron$$iisPartOf$$rDESY-PROC-2016-04$$tProceedings of the Helmholtz International Summer School 2016 (HQ 2016) : Quantum Field Theory at the Limits : from Strong Fields to Heavy Quarks
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000330326 9101_ $$0I:(DE-HGF)0$$6P:(DE-HGF)0$$a  	 U. Edinburgh, Higgs Ctr. Theor. Phys.$$b0
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