Among the most intriguing particles studied by the ATLAS Experiment is the top quark. As the heaviest known fundamental particle, it plays a unique role in the Standard Model of particle physics, and perhaps in physics beyond the Standard Model.
![](https://3c1703fe8d.site.internapcdn.net/newman/csz/news/tmb/2019/10-atlasexperim.jpg)
Source:
https://phys.org/news/2019-07-atlas-evidence-asymmetry-top-quark-pairs.html