Co-operative mechanism of IGE in polycrystal matrix containing Te-125m, Te-123m or Sn-119m

The semiclassical radiation theory shows the existence of two distinct co-operative mechanisms for interaction between the resonance electromagnetic radiation with a wavelength Λ and a set of excited isomeric nuclei, the upper excited nuclear isomeric state, u X, placed into polycrystal matrix with a temperature T. At low enough matrix temperature, the thermal Heisenberg uncertainty of u X nucleus co-ordinate, |Δr vector|T, exceeds the wavelength Λ. As this takes place, every u X nucleus fills the spatial synchronism requirements resulting in the 1 st type of co-operative nuclear superradiance. At even lower temperature the |Δr vector|T magnitude exceeds the mean internuclear distance u X -- u X. As this takes place, the u X nuclei give rise to nuclear excitons resulting in the 2 nd type of co-operative nuclear superradiance. (author)