Hyperfine Interactions 97/98, 203 (1996)

J.Lohmuller, H.H.Bertschat, H.Granzer, H.Haas, G.Schatz, W.-D.Zeitz, and the ISOLDE Collaboration

PAC Investigation of ⁷⁷Br → ⁷⁷Se on Silicon Surfaces

RADIOACTIVITY ⁷⁷Br(EC), (β⁺) [from ⁷⁷Rb-decay chain]; measured γγ(θ, H); deduced quadrupole interaction, electric field gradients at (5/2)^- level in ⁷⁷Se.