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Analytic continuation and perturbative expansions in QCD
- 1.0100491 - FZU-D 20040347 RIV DE eng J - Journal Article
Caprini, I. - Fischer, Jan
Analytic continuation and perturbative expansions in QCD.
[Analytické pokračování a poruchové rozvoje v QCD.]
European Physical Journal C. Roč. 24, - (2002), s. 127-135. ISSN 1434-6044. E-ISSN 1434-6052
R&D Projects: GA MPO RP-4210/69
Institutional research plan: CEZ:AV0Z1010920
Keywords : perturbative expansion * quantum chromodynamics * infrared ambiguity * essential singularities
Subject RIV: BF - Elementary Particles and High Energy Physics
Impact factor: 6.162, year: 2002
We propose a novel, non-power series replacing the standard expansion in powers of the renormalized coupling constant a . The functions Wn(a) have branch points and essential singularities at the origin a = 0 of the complex a plane
Místo standardních rozvojů v mocninách renormalizované vazbové konstanty a navrhujeme nové, ne-mocninné rozvoje ve funkcích Wn(a) . Ty mají větvicí body a podstatné singularity v počátku komplexní roviny veličiny a
Permanent Link: http://hdl.handle.net/11104/0007992
Number of the records: 1