Celestial IR divergences in general most-subleading-color gluon and gravity amplitudes

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MetadadosDescriçãoIdioma
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorUniversidad Adolfo Ibáñez-
Autor(es): dc.creatorNastase, Horatiu-
Autor(es): dc.creatorRojas, Francisco-
Autor(es): dc.creatorRubio, Carlos-
Data de aceite: dc.date.accessioned2025-08-21T18:42:47Z-
Data de disponibilização: dc.date.available2025-08-21T18:42:47Z-
Data de envio: dc.date.issued2022-04-29-
Data de envio: dc.date.issued2022-04-29-
Data de envio: dc.date.issued2021-12-31-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1007/JHEP01(2022)136-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/230306-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/230306-
Descrição: dc.descriptionGluon amplitudes at most-subleading order in the 1/N expansion share a remarkable simplicity with graviton amplitudes: collinear divergences are completely absent in both and, as a consequence, their full IR behavior arises from soft gluon/graviton exchange among the external states. In this paper we study the effect of all-loop IR divergences of celestial most-subleading color gluon amplitudes and their similarities with the celestial gravity case. In particular, a simple celestial exponentiation formula for the dipole part can be written. We also analize how this exponentiation is modified by non-dipole contributions. Finally we also show that, in the Regge limit, the soft factor satisfies the Knizhnik-Zamolodchikov equation hinting at the possibility that, in this limit, an effective Wess-Zumino-Witten model would describe the dynamics of the infrared sector.-
Descrição: dc.descriptionInstituto de Física Teórica UNESP-Universidade Estadual Paulista, R. Dr. Bento T. Ferraz 271, Bl. II, SP-
Descrição: dc.descriptionFacultad de Ingeniería y Ciencias Universidad Adolfo Ibáñez, Diagonal Las Torres 2640, Santiago-
Descrição: dc.descriptionInstituto de Física Teórica UNESP-Universidade Estadual Paulista, R. Dr. Bento T. Ferraz 271, Bl. II, SP-
Idioma: dc.languageen-
Relação: dc.relationJournal of High Energy Physics-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectConformal Field Theory-
Palavras-chave: dc.subjectScattering Amplitudes-
Título: dc.titleCelestial IR divergences in general most-subleading-color gluon and gravity amplitudes-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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