From loops to trees by-passing Feynman's theorem

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DC Field	Value	Language
dc.creator	Catani, Stefano	-
dc.creator	Gleisberg, Tanju	-
dc.creator	Krauss, Frank	-
dc.creator	Rodrigo, Germán	-
dc.creator	Winter, Jan-Christopher	-
dc.date	2008-05-07T11:20:52Z	-
dc.date	2008-05-07T11:20:52Z	-
dc.date	2008-05-07T11:20:52Z	-
dc.date.accessioned	2017-01-31T01:11:27Z	-
dc.date.available	2017-01-31T01:11:27Z	-
dc.identifier	http://hdl.handle.net/10261/4065	-
dc.identifier.uri	http://dspace.mediu.edu.my:8181/xmlui/handle/10261/4065	-
dc.description	We derive a duality relation between one-loop integrals and phase-space integrals emerging from them through single cuts. The duality relation is realized by a modification of the customary +i0 prescription of the Feynman propagators. The new prescription regularizing the propagators, which we write in a Lorentz covariant form, compensates for the absence of multiple-cut contributions that appear in the Feynman Tree Theorem. The duality relation can be applied to generic one-loop quantities in any relativistic, local and unitary field theories. It is suitable for applications to the analytical calculation of one-loop scattering amplitudes, and to the numerical evaluation of cross-sections at next-to-leading order.	-
dc.description	Peer reviewed	-
dc.format	295207 bytes	-
dc.format	application/pdf	-
dc.language	eng	-
dc.rights	openAccess	-
dc.subject	NLO computations	-
dc.subject	QCD	-
dc.title	From loops to trees by-passing Feynman's theorem	-
dc.type	Artículo	-
Appears in Collections:	Digital Csic

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