Loop integration results using numerical extrapolation for a non-scalar integral

Loop integration results using numerical extrapolation for a non-scalar integral
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使用数值外推法得到非标量积分的循环积分结果

DOI:
10.1016/j.nima.2004.07.099
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发表时间:
2004
影响因子:
1.4
通讯作者:
J. V. Voorst
J. V. Voorst
中科院分区:
物理与天体物理3区
文献类型:
--
作者:
E. Doncker;Y.Shimizu;J.Fujimoto;F.Yuasa;K.Kaugars;L. Cucos;J. V. Voorst

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利用数值积分和外推法得到了环积分结果。对被积函数中趋于零的参数进行极限外推。给出了一个非标量四点图的结果。还讨论了通过现有集成包容纳循环集成的扩展。其中包括:使用以前生成的域分区和舍入错误保护。
Loop integration results have been obtained using numerical integration and extrapolation. An extrapolation to the limit is performed with respect to a parameter in the integrand which tends to zero. Results are given for a non-scalar four-point diagram. Extensions to accommodate loop integration by existing integration packages are also discussed. These include: using previously generated partitions of the domain and roundoff error guards.
使用外推法计算循环积分
DOI: --
发表时间: 2004
期刊: Computer Physics Communications 159
影响因子: --
作者:
E.de Doncker et al.
通讯作者: E.de Doncker et al.