# Observation of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msubsup><mml:mi>D</mml:mi><mml:mi>s</mml:mi><mml:mo>+</mml:mo></mml:msubsup><mml:mo stretchy="false">→</mml:mo><mml:msup><mml:mi>η</mml:mi><mml:mo>′</mml:mo></mml:msup><mml:msup><mml:mi>μ</mml:mi><mml:mo>+</mml:mo></mml:msup><mml:msub><mml:mi>ν</mml:mi><mml:mi>μ</mml:mi></mml:msub></mml:math>, Precision Test of Lepton Flavor Universality with <mml:math xmlns:mml="http://www.w3.org/19

> Research article (Physical Review Letters, 2024) · cited 12× · AI/ML

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**Source**: https://4ort.xyz/entity/observation-of-mml-math-xmlns-mml-http-www-w3-org-1998-math-mathml-display-inline-mml-msubsup-mml-mi-d-mml-mi-mml-mi-s-m