BOTTOM

Bottom (b): Heavier than charm and strange quarks, with a charge of -1/3

Mass: ~4.18 GeV/c²
Decays via: Weak interaction (to charm or up)
Forms: B mesons (B⁰, B⁺)
Used in: CP violation experiments (e.g., BaBar, Belle)
Importance: Possible clues to matter-antimatter asymmetry

Bottom (b): and anti-bottom (b̄)