Automation of Beam and Jet functions at NNLO

Bell, Guido; Brune, Kevin; Das, Goutam; Wald, Marcel

doi:10.21468/SciPostPhysProc.7.021

SciPost Physics Proceedings

Automation of Beam and Jet functions at NNLO

Guido Bell, Kevin Brune, Goutam Das, Marcel Wald

SciPost Phys. Proc. 7, 021 (2022) · published 21 June 2022

doi: 10.21468/SciPostPhysProc.7.021
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15th International Symposium on Radiative Corrections: Applications of Quantum Field Theory to Phenomenology

Abstract

We present a novel framework to streamline the calculation of jet and beam functions to next-to-next-to-leading order (NNLO) in perturbation theory. By exploiting the infrared behaviour of the collinear splitting functions, we factorise the singularities with suitable phase-space parametrisations and perform the observable-dependent integrations numerically. We have implemented our approach in the publicly available code {\tt pySecDec} and present first results for sample jet and beam functions.

TY  - JOUR
PB  - SciPost Foundation
DO  - 10.21468/SciPostPhysProc.7.021
TI  - Automation of Beam and Jet functions at NNLO
PY  - 2022/06/21
UR  - https://www.scipost.org/SciPostPhysProc.7.021
JF  - SciPost Physics Proceedings
JA  - SciPost Phys. Proc.
VL  - 
IS  - 7
SP  - 021
A1  - Bell, Guido
AU  - Brune, Kevin
AU  - Das, Goutam
AU  - Wald, Marcel
AB  - We present a novel framework to streamline the calculation of jet and beam functions to next-to-next-to-leading order (NNLO) in perturbation theory. By exploiting the infrared behaviour of the collinear splitting functions, we factorise the singularities with suitable phase-space parametrisations and perform the observable-dependent integrations numerically. We have implemented our approach in the publicly available code {\tt pySecDec} and present first results for sample jet and beam functions.
ER  -

@Article{10.21468/SciPostPhysProc.7.021,
	title={{Automation of Beam and Jet functions at NNLO}},
	author={Guido Bell and Kevin Brune and Goutam Das and Marcel Wald},
	journal={SciPost Phys. Proc.},
	pages={021},
	year={2022},
	publisher={SciPost},
	doi={10.21468/SciPostPhysProc.7.021},
	url={https://scipost.org/10.21468/SciPostPhysProc.7.021},
}

Cited by 5

Authors / Affiliation: mappings to Contributors and Organizations

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¹ Guido Bell,
¹ Kevin Brune,
¹ Goutam Das,
¹ Marcel Wald

¹ Universität Siegen / University of Siegen

Funder for the research work leading to this publication

Deutsche Forschungsgemeinschaft / German Research FoundationDeutsche Forschungsgemeinschaft [DFG]