Twistor and polytope interpretations for subleading color one-loop amplitudes

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dc.contributor.authorNastase, Horatiu [UNESP]
dc.contributor.authorSchnitzer, Howard J.
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionBrandeis Univ
dc.date.accessioned2013-09-30T18:55:49Z
dc.date.accessioned2014-05-20T14:10:32Z
dc.date.available2013-09-30T18:55:49Z
dc.date.available2014-05-20T14:10:32Z
dc.date.issued2012-02-21
dc.description.abstractWe use the relation of the one-loop subleading-color amplitudes to the one-loop n-point leading color amplitudes in N = 4 SYM, to derive a polytope interpretation for the former in the MHV case, and a representation in momentum twistor space for the general N(k) MHV case. These techniques are explored in detail for the 5-point and 6-point amplitudes. We briefly discuss the implications for IR divergences. (C) 2011 Elsevier B.V. All rights reserved.en
dc.description.affiliationUniv Estadual Paulista, UNESP, Inst Fis Teor, BR-01140070 São Paulo, Brazil
dc.description.affiliationBrandeis Univ, Theoret Phys Grp, Martin Fisher Sch Phys, Waltham, MA 02454 USA
dc.description.affiliationUnespUniv Estadual Paulista, UNESP, Inst Fis Teor, BR-01140070 São Paulo, Brazil
dc.description.sponsorshipDOE
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
dc.description.sponsorshipIdDOE: DE-FG02-92ER40706
dc.description.sponsorshipIdCNPq: 301219/2010-9
dc.format.extent901-926
dc.identifierhttp://dx.doi.org/10.1016/j.nuclphysb.2011.10.029
dc.identifier.citationNuclear Physics B. Amsterdam: Elsevier B.V., v. 855, n. 3, p. 901-926, 2012.
dc.identifier.doi10.1016/j.nuclphysb.2011.10.029
dc.identifier.issn0550-3213
dc.identifier.urihttp://hdl.handle.net/11449/24337
dc.identifier.wosWOS:000298072600015
dc.language.isoeng
dc.publisherElsevier B.V.
dc.relation.ispartofNuclear Physics B
dc.relation.ispartofjcr3.285
dc.relation.ispartofsjr1,744
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.titleTwistor and polytope interpretations for subleading color one-loop amplitudesen
dc.typeArtigo
dcterms.licensehttp://www.elsevier.com/about/open-access/open-access-policies/article-posting-policy
dcterms.rightsHolderElsevier B.V.
unesp.campusUniversidade Estadual Paulista (Unesp), Instituto de Física Teórica (IFT), São Paulopt

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São Paulo - IFT - Instituto de Física Teórica