Causality constraints on TMD PDF
A.V.Efremov, A.A.Vladimirov
TL;DR
This paper explores how causality principles impose constraints on the theoretical framework of transverse momentum dependent parton distribution functions in high-energy physics.
Contribution
It introduces causality-based constraints on TMD factorization formulas, providing new theoretical insights into their structure.
Findings
Causality imposes specific restrictions on TMD PDFs.
Constraints derived help refine TMD factorization models.
The work enhances understanding of the theoretical consistency of TMD frameworks.
Abstract
In this short note, we discuss constraints on the transverse momentum dependent factorization formulae coming from the causality properties for the hadronic tensor.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · High-Energy Particle Collisions Research · Quantum Chromodynamics and Particle Interactions