anQCD:各种解析QCD模型中复动量耦合的Fortran程序
anQCD: Fortran programs for couplings at complex momenta in various analytic QCD models
摘要:
我们提供了三个Fortran程序,评估QCD解析(全纯)耦合$\mathcal{A}_ν(Q^2)$为复杂的或真正的平方动量$Q^2$。这些耦合是基本微扰QCD(pQCD)耦合$a(Q^2) \equiv α_s(Q^2)/π$的幂$a(Q^2)^ν$的全纯模拟,在三个分析QCD模型(anQCD)中:分数阶分析微扰理论(FAPT),二δ分析QCD(2 $δ$ anQCD)和大质量微扰理论(MPT)。索引$ν$可以是非整数。所提供的程序基本上与我们以前出版的Mathematica中的Mathematica包anQCD. [1],但现在用Fortran编写。
英文摘要:
We provide three Fortran programs which evaluate the QCD analytic (holomorphic) couplings $\mathcal{A}_ν(Q^2)$ for complex or real squared momenta $Q^2$. These couplings are holomorphic analogs of the powers $a(Q^2)^ν$ of the underlying perturbative QCD (pQCD) coupling $a(Q^2) \equiv α_s(Q^2)/π$, in three analytic QCD models (anQCD): Fractional Analytic Perturbation Theory (FAPT), Two-delta analytic QCD (2$δ$anQCD), and Massive Perturbation Theory (MPT). The index $ν$ can be noninteger. The provided programs do basically the same job as the Mathematica package anQCD.m in Mathematica published by us previously, Ref.[1], but are now written in Fortran.
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