A CERN experiment has revealed that up quarks outnumber down quarks after certain collisions, defying predictions. This ...

In collisions of argon and scandium atomic nuclei, scientists from the ... neutrons or mesons is the strong interaction, described by a theory called quantum chromodynamics. From its equations ...

Argon is an inert gas in group VIII A of the periodic table with atomic number 18, an atomic weight of 39.948, and a density of 1.40 Mg/m 3. In the solid state it forms an fcc crystal with a melting ...