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The Polarized Transition Matrix Element $A_{gq}(N)$ of the Variable Flavor Number Scheme at $O(\alpha_s^3)$

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arxiv 2101.05733 v1 pith:HY7KSBTR submitted 2021-01-14 hep-ph hep-th

A. Behring , J. Blümlein , A. De Freitas , A. von Manteuffel , K. Schönwald , C. Schneider This is my paper
classification hep-phhep-th
keywords schemevariablealphaelementflavormatrixnumberpolarized
verification ladder T0 review T1 audit T2 compute T3 formal
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abstract

We calculate the polarized massive operator matrix element $A_{gq}^{(3)}(N)$ 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 $O(\alpha_s^3)$. We also present the results in momentum fraction space.

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Cited by 3 Pith papers

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