On the Four-Loop Higgs-Gluon Form Factor in Nonlocal Quantum Field Theory
Understanding gluon-fusion Higgs production is essential for particle physics, as it plays a crucial role in fundamental theories.
This method heps to isolate the collider-hard contribution as a convergent four-loop form factor.
Why this matters
Understanding gluon-fusion Higgs production is essential for particle physics, as it plays a crucial role in fundamental theories. Achieving finite four-loop calculations improves the precision of theoretical predictions, impacting future experimental validations.
What they actually achieved
The researchers derived a method where each fixed-order four-loop Feynman diagram becomes fully convergent in four dimensions. They established a Schwinger-parameter representation enabling analytical loop-momentum integration, simplifying numerical evaluations without UV subtractions.
What they did not achieve
The study does not demonstrate experimental validation or application of the method to real-world collider data. It remains theoretical, focusing on mathematical completion rather than empirically supported results.
Sources
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On the Four-Loop Higgs-Gluon Form Factor in Nonlocal Quantum Field Theory
arXiv quant-ph - 23 Aug 2026- primary