Recent Ψ′ results from Mark III☆

Abstract Results on ψ′ decays from Mark III are presented. With a data sample of 240,000 ψ′ events, we measure ψ ′→ π + π − ψ , ψ ′→ ηψ , ψ ′→ γχ c , ψ ′→ γ 4 π ± , ψ ′→ γ 6 π ± , and perform a search for ψ ′→ ϱπ . Implications of our measurements are discussed.