Lead ions, while indeed sometimes used in the particle accelerator, are not hadrons. You may instead have mentioned neutrons along with proton, both of which are prime examples of hadrons.
Also, you may want to update your article as the Higgs Boson has essentially been "found".
Dear author,
Lead ions, while indeed sometimes used in the particle accelerator, are not hadrons. You may instead have mentioned neutrons along with proton, both of which are prime examples of hadrons.
Also, you may want to update your article as the Higgs Boson has essentially been "found".