Summary
This theoretical physics paper extends the study of exotic tetraquark formation through collinear fragmentation functions in a variable-flavour-number scheme, employing nonrelativistic QCD factorisation and DGLAP evolution. The authors provide the first systematic treatment of both perturbative and nonperturbative uncertainties, and deliver phenomenological predictions for tetraquark production at future collider experiments, connecting exotic-hadron physics with precision QCD calculations.
UK applicability
Not applicable. This is a theoretical particle physics paper with no direct bearing on UK agricultural, nutritional or food-systems research.
Key measures
Fragmentation functions; NLL/NLO+ cross sections; event yields; short-distance hard-scattering inputs; long-distance matrix elements; perturbative and fragmentation-scale uncertainties; angular multiplicities in tetraquark-jet systems
Outcomes reported
The study modelled fragmentation functions for fully charmed and bottomed tetraquarks in scalar, axial-vector and tensor quantum configurations, providing cross-section predictions and event-yield benchmarks for tetraquark-jet systems at the HL-LHC and FCC.
Topic tags
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