Wolfram|Alpha has data on a wide range of subatomic particles, from the top quark to the Higgs boson. Get experimentally measured values for mass, charge, spin, parity and other fundamental quantum numbers.
Find data on a wide range of subatomic particles, whether experimentally produced or commonly occurring in nature.
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Explore properties, including mass, charge, flavor, lifetime and quantum numbers, of a wide range of subatomic particles.