# Collinear laser spectroscopy of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msup><mml:mrow><mml:mi>Ca</mml:mi></mml:mrow><mml:mo>+</mml:mo></mml:msup></mml:math>: Solving the field-shift puzzle of the <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mn>4</mml:mn><mml:mi>s</mml:mi><mml:mmultiscripts><mml:mi mathvariant="normal">S</mml:mi><mml:mrow><mml:mn>1</mml:mn><mml:mo>/</mml:mo><mml:mn>2</mml:mn></mml:mrow><mml:none/><mml:mprescrip

> Research article (Physical Review Research, 2020) · cited 25× · AI/ML

**Wikidata**: [openalex:W3112506236](https://www.wikidata.org/wiki/openalex:W3112506236)  
**Source**: https://4ort.xyz/entity/collinear-laser-spectroscopy-of-mml-math-xmlns-mml-http-www-w3-org-1998-math-mathml-mml-msup-mml-mrow-mml-mi-ca-mml-mi-m