Abstract
In the framework of soft-collinear effective theory (SCET), we show how to formulate the resummation for a broad family of final-state, global observables in high-energy collisions in a general way that is suitable for a numerical calculation. Contrary to the standard SCET approach, this results in a method that does not require an observable-specific factorization theorem. We present a complete formulation at next-to-next-to-leading logarithmic order for e+e− observables, and show how to systematically extend the framework to higher orders. This work paves the way to automated resummation in SCET for several physical observables within a single framework.
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Bauer, C.W., Monni, P.F. A formalism for the resummation of non-factorizable observables in SCET. J. High Energ. Phys. 2020, 5 (2020). https://doi.org/10.1007/JHEP05(2020)005
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DOI: https://doi.org/10.1007/JHEP05(2020)005