Protons and neutrons are the most well-known baryons, and here comes an new extremely short-lived "charming" one, Xi-cc++
https://www.scientificamerican.com/article/lhc-physicists-unveil-a-charming-new-particle/
http://www.independent.co.uk/news/s...aryon-quark-heavier-than-proton-a7828621.html
https://www.scientificamerican.com/article/lhc-physicists-unveil-a-charming-new-particle/
http://www.independent.co.uk/news/s...aryon-quark-heavier-than-proton-a7828621.html