The hypothetical particle, known as toponium, would be the result of merging a top quark and antiquark as well as the last missing example of quark-antiquark states known as quarkonium. Toponium ...

“An atom has neutrons and protons in its nucleus ... Quarks are the reason protons have a positive charge. Each quark has a fraction of an electric charge. A proton has two up quarks and ...

After years of research and analysis, nuclear physicists at the Thomas Jefferson National Accelerator Facility have discovered how something strange can come from the ordinary. The physicists have ...