Soft corrections to inclusive deep-inelastic scattering at four loops and beyond
Soft corrections to inclusive deep-inelastic scattering at four loops and beyond
复制标题
对四环及以上的包容性深度非弹性散射进行软校正
DOI:
10.1007/jhep03(2020)116
复制
发表时间:
2020
影响因子:
5.4
通讯作者:
A. Vogt
中科院分区:
文献类型:
--
作者:
G. Das;S. Moch;A. Vogt
We study the threshold corrections for inclusive deep-inelastic scattering (DIS) and their all-order resummation. Using recent results for the QCD form factor, related anomalous dimensions and Mellin moments of DIS structure functions at four loops we derive the complete soft and collinear contributions to the DIS Wilson coefficients at four loops. For a general SU (n c) gauge group the results are exact in the large-n c approximation and for QCD with n c= 3 we present precise approximations. We extend the threshold resummation exponent G N in Mellin-N space to the fifth logarithmic (N 4 LL) order collecting the terms(α s ln N) n to all orders in the strong coupling constant α s. We study the numerical effect of the N 4 LL corrections using both the fully exponentiated form and the expansion of the coefficient function in towers of logarithms. As a byproduct, we derive a numerical result for the complete pole structure of the QCD form factor in the parameter of dimensional regularization ε at four loops.
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DOI:
10.1016/j.nuclphysb.2016.12.012
发表时间:
2016
期刊:
Nuclear Physics
影响因子:
--
作者:
J. Davies;A. Vogt;B. Ruijl;Takahiro Ueda;J. Vermaseren
通讯作者:
J. Vermaseren
影响因子:
5.4
作者:
Domenico Bonocore;E. Laenen;E. Laenen;L. Magnea;S. Melville;L. Vernazza;Chris D. White
通讯作者:
Domenico Bonocore;E. Laenen;E. Laenen;L. Magnea;S. Melville;L. Vernazza;Chris D. White
影响因子:
5.4
作者:
S. Catani;M. Mangano;P. Nason
通讯作者:
P. Nason
影响因子:
5.4
作者:
J. Henn;R. Lee;A. Smirnov;V. Smirnov;M. Steinhauser
通讯作者:
J. Henn;R. Lee;A. Smirnov;V. Smirnov;M. Steinhauser
DOI:
--
发表时间:
2000
期刊:
影响因子:
--
作者:
L. Magnea
通讯作者:
L. Magnea