# <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mi mathvariant="normal">ϒ</mml:mi></mml:mrow></mml:math>and<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msup><mml:mrow><mml:mi mathvariant="normal">ϒ</mml:mi></mml:mrow><mml:mrow><mml:mo>′</mml:mo></mml:mrow></mml:msup></mml:mrow></mml:math>leptonic widths,<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:m

> Research article (Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D, Particles, fields, gravitation, and cosmology, 2015) · cited 99× · AI/ML

**Wikidata**: [openalex:W2177190494](https://www.wikidata.org/wiki/openalex:W2177190494)  
**Source**: https://4ort.xyz/entity/mml-math-xmlns-mml-http-www-w3-org-1998-math-mathml-display-inline-mml-mrow-mml-mi-mathvariant-normal-mml-mi-mml-mrow-mm