Template:Standard model of physics

Background

Constituents

Evidence	Hierarchy problem Dark matter Cosmological constant problem Strong CP problem Neutrino oscillation
Theories	Technicolor Kaluza–Klein theory Grand Unified Theory Theory of everything
Supersymmetry	MSSM NMSSM Split supersymmetry Supergravity
Quantum gravity	String theory Superstring theory Loop quantum gravity Causal dynamical triangulation Canonical quantum gravity Superfluid vacuum theory Twistor theory

Experiments