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Computational Challenges for Multi-loop Collider Phenomenology

A Snowmass 2021 White Paper

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Abstract

Precision measurements at the LHC and future colliders require theory predictions with uncertainties at the percent level for many observables. Theory uncertainties due to the perturbative truncation are particularly relevant and must be reduced to fully exploit the physics potential of collider experiments. In recent years the theoretical high energy physics community has made tremendous analytical and numerical advances to address this challenge. In this white paper, we survey state-of-the-art calculations in perturbative quantum field theory for collider phenomenology with a particular focus on the computational requirements at high perturbative orders. We show that these calculations can have specific high-performance-computing (HPC) profiles that should to be taken into account in future HPC resource planning.

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Data Availability Statement

This manuscript has no associated data or the data will not be deposited. [Authors’ comment: There are no associated data available.]

Notes

  1. see also the Snowmass QCD working group report [2].

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Acknowledgements

We would like to thank the following people for filling out our survey and providing valuable input on the computational resources of their projects: Samuel Abreu, Bakul Agarwal, Konstantin Asteriadis, Simon Badger, Matteo Becchetti, Marco Bonetti, Federico Buccioni, Luca Buonocore, Fabrizio Caola, Gudrun Heinrich, Alexander Huss, Stephen P. Jones, Stefan Kallweit, Matthias Kerner, Matteo Marcoli, Javier Mazzitelli, Johannes Michel, Sven Moch, Marco Niggetiedt, Costas Papadopoulos, Mathieu Pellen, Rene Poncelet, Jérémie Quarroz, Luca Rottoli, Gabor Somogyi, Qian Song, Vasily Sotnikov, Matthias Steinhauser, Gherardo Vita, Chen-Yu Wang, Stefan Weinzierl, Marius Wiesemann, Malgorzata Worek, Tongzhi Yang and YuJiao Zhu.

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Authors and Affiliations

  1. Physics Department, Florida State University, Tallahassee, FL, 32306, USA

    Fernando Febres Cordero

  2. Department of Physics and Astronomy, Michigan State University, East Lansing, MI, 48824, USA

    Andreas von Manteuffel

  3. Department of Physics, Brookhaven National Laboratory, Upton, NY, 11973, USA

    Tobias Neumann

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  1. Fernando Febres Cordero
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  2. Andreas von Manteuffel
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The work of Fernando Febres Cordero is supported in part by the United States Department of Energy under grant DE-SC0010102. Andreas von Manteuffel is supported in part by the National Science Foundation under Grant 2013859. Tobias Neumann is supported by the United States Department of Energy under Grant Contract DE-SC0012704.

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Cordero, F.F., von Manteuffel, A. & Neumann, T. Computational Challenges for Multi-loop Collider Phenomenology. Comput Softw Big Sci 6, 14 (2022). https://doi.org/10.1007/s41781-022-00088-0

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