Atomic silver and coppper are magnetically trapped using buffer gas loading. Copper (Cu) is trapped in the 4s;^2S1/2, mj=1/2 state with lifetimes as long as 8s. Silver (Ag) is trapped in the 5s;^2S1/2, mj=1/2 state with lifetimes as long as 2.3 s. Lifetimes are limited by collisions with background ^3He. Inelastic Zeeman state-changing collisions are observed between Ag and ^3He.
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