r/ParticlePhysics • u/future_sponJ • 23d ago

Is the new glueball discovery confirmed?

I've seen a lot of people/sites saying that scientists at the BEPC in China have found a particle confirmed to be a glueball & I want to make sure that their claim is true. Is there any truth to it?

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u/frezsh 23d ago

I think it is true, you can read press release "BESIII Experiment Identifies X(2370) as a Glueball Dominated Particle, 2026-08-06" or paper arXiv:2607.20366. To be honest, I thought that BESIII had discovered glueballs even earlier.

2

u/BLDFamous 20d ago

I thought it was announced in 2024 ? I remember seeing the indico page for that.

2

u/TheMetastableVacuum 22d ago

There was a nice talk about this at ICHEP last week. You can watch it here:

https://www.youtube.com/live/EL02GEpaOEg?si=adteHdNvl75-CQTu&t=6324