Pure Spinor Superspace Identities for Massless Four-point Kinematic Factors - High Energy Physics - TheoryReportar como inadecuado




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Abstract: Using the pure spinor formalism we prove identities which relate thetree-level, one-loop and two-loop kinematic factors for massless four-pointamplitudes. From these identities it follows that the complete supersymmetricone- and two-loop amplitudes are immediately known once the tree-levelkinematic factor is evaluated. In particular, the two-loop equivalence with theRNS formalism up to an overall coefficient is obtained as a corollary.



Autor: Carlos R. Mafra Sao Paulo, IFT and UCLA

Fuente: https://arxiv.org/







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