Lepton Epoch (1 to 10 seconds) – most (but not all) hadrons and antihadrons annihilate each other, and leptons such as electrons and positrons dominate the mass of the universe. Nucleosynthesis (3 minutes to 20 minutes) – the temperature of the universe falls to about a billion degrees...
What is the most important subatomic particle? How hot was the quark epoch? How are up and down quarks made? What is an unstable lepton? When was the strange quark first observed? Why was the top quark hardest to discover?Explore our homework questions and answers library Search Browse Bro...
How hot was the quark epoch? Who developed the quark model? What is the difference between up quarks and down quarks? What do freckles have to do with quarks? What is a lepton? Is there anything smaller than a quark? Why was the top quark hardest to discover? What is a boson particle?