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A state of matter in which quarks and gluons are freed of their strong attraction for one another under extremely high energy densities.

5 votes
2 answers
623 views

Are perturbative and non-perturbative QCD both signs of new physics?

I was studying about quarkonia systems and reached this page at CERN Courier. Here, I came across the following text: While the failure to reproduce an experimental observable that is perturbative …
SchrodingersCat's user avatar
1 vote
1 answer
335 views

Are bottomonium and charmonium the only quarkonium systems?

I had a question: Are bottomonium and charmonium the only quarkonium systems? I was searching the internet and found that these two systems have been experimetally observed but the toponium has …
SchrodingersCat's user avatar