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From perturbative calculations of the QCD static potential towards four-loop pole-running heavy quarks masses relation

机译:从QCD静态势的扰动计算向四环极运行的重夸克质量关系

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Thesummaryoftheavailablesemi-analyticalresultsforthethree-loopcorrectionstotheQCDstaticpotentialandfortheO(αf)contributionstotheratiooftherunningandpoleheavyquarkmassesarepresented.Theprocedureofthedeterminationofthedependenceofthefour-loopcontributiontothepole-runningheavyquarksmassratioonthenumberofquarksflavours,basedonapplicationoftheleastsquaresmethodisdescribed.Thenecessityofclarifyingthereasonofdiscrepancybetweenthenumericaluncertaintiesoftheαfcoefficientsinthemassratio,obtainedbythismathematicalmethodbythedirectnumericalcalculationsisemphasised...
机译:Thesummaryoftheavailablesemi-analyticalresultsforthethree-loopcorrectionstotheQCDstaticpotentialandfortheO(αF)contributionstotheratiooftherunningandpoleheavyquarkmassesarepresented.Theprocedureofthedeterminationofthedependenceofthefour-loopcontributiontothepole-runningheavyquarksmassratioonthenumberofquarksflavours,basedonapplicationoftheleastsquaresmethodisdescribed.Thenecessityofclarifyingthereasonofdiscrepancybetweenthenumericaluncertaintiesoftheαfcoefficientsinthemassratio,obtainedbythismathematicalmethodbythedirectnumericalcalculationsisemphasised ...

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