# <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mover accent="true"><mml:mrow><mml:mi>MS</mml:mi></mml:mrow><mml:mrow><mml:mo stretchy="true">¯</mml:mo></mml:mrow></mml:mover></mml:mrow></mml:math>-on-shell quark mass relation up to four loops in QCD and a general <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mi>SU</mml:mi><mml:mo stretchy="false">(</mml:mo><mml:mi>N</mml:mi><mml:mo stretchy="

> Research article (Physical review. D/Physical review. D., 2016) · cited 130× · AI/ML

**Wikidata**: [openalex:W2468799875](https://www.wikidata.org/wiki/openalex:W2468799875)  
**Source**: https://4ort.xyz/entity/mml-math-xmlns-mml-http-www-w3-org-1998-math-mathml-display-inline-mml-mrow-mml-mover-accent-true-mml-mrow-mml-mi-ms-mml