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Comment on "Infrared freezing of Euclidean QCD observables"
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SYSNO ASEP 0097175 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Ostatní články Title Comment on "Infrared freezing of Euclidean QCD observables" Title Kritická poznámka k práci "Infrared freezing of Euclidean QCD observables" Author(s) Caprini, I. (RO)
Fischer, Jan (FZU-D) RIDSource Title Physical Review D: Particles, Fields, Gravitation and Cosmology. - : American Physical Society - ISSN 1550-7998
Roč. 76, č. 1 (2007), 018501/1-018501/5Number of pages 5 s. Language eng - English Country US - United States Keywords QCD ; analyticity ; infrared freezing Subject RIV BF - Elementary Particles and High Energy Physics R&D Projects 1P04LA211 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) CEZ AV0Z10100502 - FZU-D (2005-2011) Annotation P.M.Brooks et al. claim in Phys.Rev.D74 that the leading term of the Euclidean Adler function has no Landau pole and that this approximation is smooth, as is the case for the exact Adler function. We show that the authors obtain this result by using a modified Borel sum, which violates the Kallén-Lehmann property Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2008
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