Timelike and spacelike QCD characteristics of the e(+)e(-) annihilation process

Authors
Milton, KA Solovtsov, IL Solovtsova, OP
Citation
Ka. Milton et al., Timelike and spacelike QCD characteristics of the e(+)e(-) annihilation process, EUR PHY J C, 13(3), 2000, pp. 497-502
Citations number
38
Categorie Soggetti
Physics
Journal title
EUROPEAN PHYSICAL JOURNAL C
ISSN journal
14346044 → ACNP
Volume
13
Issue
3
Year of publication
2000
Pages
497 - 502
Database
ISI
SICI code
1434-6044(200004)13:3<497:TASQCO>2.0.ZU;2-Q
Abstract
We consider the Adler D-function, which is defined in the spacelike region, and the e(+)e(-) annihilation ratio smeared, according to the Poggio, Quin n, and Weinberg method, which is determined for timelike argument. We show that the method of the nonperturbative a-expansion allows one to describe t hese Euclidean and Minkowskian characteristics of the process of e(+)e(-) a nnihilation down to the lowest energy scales.