Abstract
We extend our algorithm for automating the calculation of two-loop dijet soft functions to observables that do not obey the non-Abelian exponentiation theorem, i.e. to those that require an independent calculation of the uncorrelated-emission contribution. As the singularity structure of uncorrelated double emissions differs substantially from the one for correlated emissions, we introduce a novel phase-space parametrisation that isolates the corresponding divergences. The resulting integrals are implemented in SoftSERVE 1.0, which we release alongside of this work, and which we supplement by a regulator that is consistent with the rapidity renormalisation group framework. Using our automated setup, we confirm existing results for various jet-veto observables and provide a novel prediction for the soft-drop jet-grooming algorithm.
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ArXiv ePrint: 2004.08396
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Bell, G., Rahn, R. & Talbert, J. Generic dijet soft functions at two-loop order: uncorrelated emissions. J. High Energ. Phys. 2020, 15 (2020). https://doi.org/10.1007/JHEP09(2020)015
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DOI: https://doi.org/10.1007/JHEP09(2020)015