The role of leading twist operators in the Regge and Lorentzian OPE limits

• Tipo: Artigo em Revista Científica Internacional
• Data: 2014

Autores

Miguel S Costa (Autor) FCUP; James Drummond (Autor) Outra; Vasco Goncalves (Autor) Outra; Joao Penedones (Autor) Outra

Revista

Título: JHEP: Journal of High Energy Physics

Vol. 2014

ISSN: 1029-8479

Editora: Springer

Indexação

ISI Web of Knowledge - 15 Citações

Scopus - 16 Citações

Classificação Científica

FOS: Ciências exactas e naturais > Física

Outras Informações

ID Authenticus: P-009-CHF

DOI: 10.1007/jhep04(2014)094

Abstract (EN): We study two kinematical limits, the Regge limit and the Lorentzian OPE limit, of the four-point function of the stress-tensor multiplet in Super Yang-Mills at weak coupling. We explain how both kinematical limits are controlled by the leading twist operators. We use the known expression of the four-point function up to three loops, to extract the pomeron residue at next-to-leading order. Using this data and the known form of pomeron spin up to next-to-leading order, we predict the behaviour of the four-point function in the Regge limit at higher loops. Specifically, we determine the leading log behaviour at any loop order and the next-to-leading log at four loops. Finally, we check the consistency of our results with conformal Regge theory. This leads us to predict the behaviour around J=1 of the OPE coefficient of the spin J leading twist operator in the OPE of two chiral primary operators

Idioma: Inglês

Tipo (Avaliação Docente): Científica