Higher-order corrections to σtot(e+e−→ hadrons) in quantum chromodynamics
Higher-order corrections to σtot(e+e−→ hadrons) in quantum chromodynamics
复制标题
量子色动力学中 σtot(e+e−→ 强子) 的高阶修正
DOI:
10.1016/0370-2693(79)90596-3
复制
发表时间:
1979
影响因子:
4.4
通讯作者:
F. Tkachov
中科院分区:
文献类型:
--
作者:
K. Chetyrkin;A. Kataev;F. Tkachov
We present the αs2corrections 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 αsterm with experiments by a factor of about 4.