HIGHER-ORDER CORRECTIONS TO OMICRON-TOT(E+E--]HADRONS) IN QUANTUM CHROMODYNAMICS

被引：437

作者：

CHETYRKIN, KG

KATAEV, AL

TKACHOV, FV

机构：

[1] Institute for Nuclear Research, the Academy of Sciences, the USSR, Moscow

来源：

PHYSICS LETTERS B | 1979年 / 85卷 / 2-3期

关键词：

D O I：

10.1016/0370-2693(79)90596-3

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present the αs2 corrections to σtot(e+e-→ hadrons) in massless QCD evaluated within the minimal subtraction scheme. These corrections have the effect of diminishing the scale parameter Λ obtained by comparing the αs term with experiments by a factor of about 4. © 1979.

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页码：277 / 279

页数：3

相关论文

共 19 条

[1] SOME SIMPLE VACUUM-POLARIZATION PHENOMENOLOGY - E+E- -] HADRONS - MUONIC-ATOM X-RAY DISCREPANCY AND GMU-2 [J].

ADLER, SL .

PHYSICAL REVIEW D, 1974, 10 (11) :3714-3728

[2] COMMENT ON PERTURBATION-THEORETIC PARAMETER -LAMBDA OF QCD [J].

BACE, M .

PHYSICS LETTERS B, 1978, 78 (01) :132-135

[3] SCALING VIOLATIONS AND PERTURBATIVE QUANTUM CHROMODYNAMICS [J].

BARBIERI, R ;

CANESCHI, L ;

CURCI, G ;

DEMILIO, E .

PHYSICS LETTERS B, 1979, 81 (02) :207-210

[4] DEEP-INELASTIC SCATTERING BEYOND THE LEADING ORDER IN ASYMPTOTICALLY FREE GAUGE THEORIES [J].

BARDEEN, WA ;

BURAS, AJ ;

DUKE, DW ;

MUTA, T .

PHYSICAL REVIEW D, 1978, 18 (11) :3998-4017

[5]

Bogoliubov NN., 1959, INTRO THEORY QUANTIZ

[6] FINITE-ENERGY SUM-RULES FOR CROSS-SECTION OF E+E--ANNIHILATION INTO HADRONS IN QCD [J].

CHETYRKIN, KG ;

KRASNIKOV, NV ;

TAVKHELIDZE, AN .

PHYSICS LETTERS B, 1978, 76 (01) :83-84

[7]

CHETYRKIN KG, 1979, II125 INR PREPR

[8]

CHETYRKIN KG, 1977, P INT C NEUTRINO PHY, V2, P189

[9] STRUCTURE OF COUNTERTERMS IN DIMENSIONAL REGULARIZATION [J].

COLLINS, JC .

NUCLEAR PHYSICS B, 1974, B 80 (02) :341-348

[10]

CURCI G, 1978, TH2582 CERN PREPR