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Title: Nonperturbative Effects in Energy Correlators: From Characterizing Confinement Transition to Improving α s Extraction

Journal Article · · Physical Review Letters

Energy correlators provide a powerful observable to study fragmentation dynamics in QCD. We demonstrate that the leading nonperturbative corrections for projected N -point energy correlators are described by the same universal parameter for any N , which has already been determined from other event shape fits. Including renormalon-free nonperturbative corrections substantially improves theoretical predictions of energy correlators, notably the transition into the confining region at small angles. Nonperturbative corrections are shown to have a significant impact on α s extractions. Published by the American Physical Society 2024

Sponsoring Organization:
USDOE Office of Science (SC), Nuclear Physics (NP)
Grant/Contract Number:
SC0011090
OSTI ID:
2479379
Journal Information:
Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 23 Vol. 133; ISSN 0031-9007; ISSN PRLTAO
Publisher:
American Physical SocietyCopyright Statement
Country of Publication:
United States
Language:
English

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