Strange diffusion of μ+ mesons in bismuth
Grebinnik V.G. , Gurevich I.I., Zhukov V.A. , Klimov A.I., Maiorov V.N. , Manych A.P., Mel'nikov E.V., Nikol'skii B.A., Pirogov A.V., Ponomarev A.N., Selivanov V.I. , Suetin V.A.
The temperature dependence of the μ+-meson spin relaxation rate Λ(Γ) in bismuth was measured at Γ< 250 К. One way to interpret the experimental A(T) dependence is to assume coherent quantum diffusion of the μ+ meson at T< 80 K.