Key Words

• annihilation

• antimatter

• antiparticle

• antiproton

• cold dark matter

• cosmic light horizon

• density fluctuation

• deuterium bottleneck

• electroweak force

• elementary particle physics

• false vacuum

• flatness problem

• gluon

• grand unified theory (GUT)

• graviton

• Heisenberg uncertainty principle

• hot dark matter

• inflation

• inflationary epoch

• intermediate vector boson