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The Polarized Transition Matrix Element Agq(N) of the Variable Flavor Number Scheme at O(αs3)
Nuclear Physics B ( IF 2.8 ) Pub Date : 2021-02-01 , DOI: 10.1016/j.nuclphysb.2021.115331
A. Behring , J. Blümlein , A. De Freitas , A. von Manteuffel , K. Schönwald , C. Schneider

We calculate the polarized massive operator matrix element Agq(3)(N) to 3-loop order in Quantum Chromodynamics analytically at general values of the Mellin variable N both in the single- and double-mass case in the Larin scheme. It is a transition function required in the variable flavor number scheme at O(αs3). We also present the results in momentum fraction space.



中文翻译:

变味数方案中的极化跃迁矩阵元素A gqN)。Øαs3

我们计算极化的大规模算子矩阵元素 一个Gq3ñ在Larin方案的单质量和双质量情况下,均以Mellin变量N的一般值解析为量子色动力学中的3环级数。它是可变风味编号方案中所需的转换函数,位于Øαs3。我们还介绍了动量分数空间中的结果。

更新日期:2021-02-01
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