"During the cosmos's first 100 picoseconds, all fermions and bosons were massless, with only neutrinos potentially possessing mass from a separate mechanism."
"The W-and-Z, photon, and Higgs bosons did not yet exist; instead, four massless bosons and a Higgs field were present."
"The electromagnetic and weak forces were unified, with the Higgs field embodying electroweak and hypercharge, leading to the emergence of massive particles."
The Standard Model outlines the universe's fundamental particles and forces, including six quarks, six leptons, and various bosons. Initially, during the cosmos's first 100 picoseconds, all particles were massless, and the W-and-Z, photon, and Higgs bosons did not exist. Instead, four massless bosons and a Higgs field were present. Electromagnetic and weak forces were unified, with the Higgs field embodying electroweak and hypercharge. These unbroken symmetries were crucial yet temporary, leading to the mass acquisition of particles post-symmetry breaking.
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