Benchmark of deep-inelastic-scattering structure functions at O (αs3)

被引：0

作者：

Bertone, Valerio ^{[1
]}

Karlberg, Alexander ^{[2
]}

机构：

[1] CEA Paris Saclay, IRFU, F-91191 Gif Sur Yvette, France

[2] CERN, Theoret Phys Dept, CH-1211 Geneva 23, Switzerland

来源：

EUROPEAN PHYSICAL JOURNAL C | 2024年 / 84卷 / 08期

关键词：

OPERATOR MATRIX-ELEMENTS; 3-LOOP SPLITTING FUNCTIONS; HEAVY FLAVOR CONTRIBUTIONS; STRUCTURE-FUNCTION F-2(X; ASYMPTOTIC VALUES Q(2); FREE GAUGE-THEORIES; QCD BETA-FUNCTION; LEADING ORDER; 2ND-ORDER CONTRIBUTIONS; ANOMALOUS DIMENSIONS;

D O I：

10.1140/epjc/s10052-024-13133-6

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

We present a benchmark comparison of the massless inclusive deep-inelastic-scattering (DIS) structure functions up to O(alpha(3)(s)) in perturbative QCD. The comparison is performed using the codes apfel++ and hoppet within the framework of the variable-flavour-number scheme and over a broad kinematic range relevant to the extraction of parton distribution functions. We provide results for both the single structure functions and the reduced cross sections in both neutral- and charged-current DIS. Look-up tables for future reference are included, and we also release the code used for the benchmark.

引用

页数：18

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