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Adler function from Re+e- measurements: experiments vs QCD theory

1999/06/29 by A. L. Kataev, Kataev, A. L.
Physics and Astronomy · #FOS: Physical sciences #High Energy Physics - Experiment (hep-ex) #High Energy Physics - Phenomenology (hep-ph) #High-Energy Particle Collisions Research #Particle physics theoretical and experimental studies #Quantum Chromodynamics and Particle Interactions #hep-ex #hep-ph

paper · pdf · doi:10.48550/arxiv.hep-ph/9906534

Contributed to the Proceedings of the International Workshop "e^+e^--collisions from $ϕ$ to $J/Ψ$, Novosibirsk, May 1-5, 1999; Presented at the 9th Lomonosov Conference on Elementary Particle Physics, September 20-26, 1999, MSU, Moscow; LaTeX, npb.sty, 2 eps figures included; English style of Abstract and text of the previous version is improved, few referencies are corrected

openalex publication_date 1999/06/29 · arxiv created 1999/10/06 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

An experimental motivated QCD analysis of the behaviour of the Adler D-function in the Euclidian region is described. It is stressed that by taking account of b-quark mass-dependent αs2-effects one obtains better agreement between theoretical predictions and experimentally motivated behaviour of the D-function at large Euclidian momentum transfer. A more detailed analysis of QCD predictions, including information on quark and gluon condensates, requires more precise data on e+e-→hadrons, particularly in the region E

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