https://www.sciencealert.com/scientists-just-discovered-four-new-subatomic-particles-all-tetraquarks?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+sciencealert-latestnews+%28ScienceAlert-Latest%29
This moth LHC in Geneva announced the discovery of 4 brand new particles, as a total of 59 particles were discovered including Higgs boson in 2009, mostly they are tetraquarks, meson, baryons......