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physical object > natural object > particle > elementary particle > hadron

hadron
subject			fact

hadron	has definition High mass elementary particles that are influenced by the strong nuclear force.
	is a kind of elementary particle
elementary particle	has spin
particle	obeys uncertainty principle
	has frequency inversely proportional to the wavelength
	has wavelength inversely proportional to its momentum
	has charge
	has mass
physical object	has location or center of gravity
	has angular momentum
	has velocity
	has momentum
	has temperature
	has volume
	has extent
	has material

Kinds of hadron :

• baryon (10 kinds, 69 facts) - Heavy subatomic particle composed of 3 quarks.
• charge multiplet (7 kinds, 57 facts) - A group of particles which differ in electrical charge but which are nearly identical in mass and other respects (such as lifetime and angular momentum) and which seem to experience identical nuclear forces.
• meson (5 kinds, 27 facts) - A strongly interacting particle consisting of a quark and an antiquark. Its mass is intermediate between that of a proton and an electron, which is believed to be responsible for the strong nuclear force. In contrast to the case of baryons or leptons, meson number is not conserved: like photons, mesons can be created or destroyed in arbitrary numbers.

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