Particle Transformer (ParT)
A transformer that tags jets by reading the particles inside them, released with the JetClass dataset it was trained on.
- Made by
- Huilin Qu, Congqiao Li, Sitian Qian
- Field
- Collider physics
- Learns from
- JetClass, 100 million simulated jets of 10 types
- Size
- 2.1M parameters
- Open weights
- Not stated, MIT (code)
- First public
- Feb 2022
- Source
- arxiv.org/abs/2202.03772
How it relates to Flare
Not a foundation model itself, but JetClass became the standard pretraining set for the jet models that followed, and CMS uses descendants of this design in its taggers.
Links
Every figure here is from the source above, checked 17 October 2026. Something changed? Email [email protected].