Examples for

Subatomic Particles

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.

Subatomic Particles

Find data on a wide range of subatomic particles, whether experimentally produced or commonly occurring in nature.

Get information about an elementary particle:

proton
top antiquark

Specify a particle by symbol:

pi-

Compare several particles:

electron D*0 neutron
Classes of Particles

Compare and get lists of particles according to type classification.

Get information about a class of particles:

nucleons
pions
leptons

Compare the values of a property across a class of particles:

boson mass
quark charge
Subatomic Particle Properties

Explore properties, including mass, charge, flavor, lifetime and quantum numbers, of a wide range of subatomic particles.

Request a property of a particle:

tau mass
spin K+
charm quark isospin

Do a calculation with particle properties:

mass proton / electron

Compute properties of a system of particles:

reduced mass proton neutron
charge of three electrons

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