Organic Liquid Scintillators. VI. Substituted Distyrylbenzenes: Scintillation Properties and Spectra of Absorption and Fluorescence

The preparation, spectra of absorption and fluorescence, and the scintillation properties of 28 derivatives of trans,trans-p-distyrylbenzene are described. Most of the soluble derivatives are efficient primary scintillators in alkylbenzene solutions and are highly efficient secondary scintillators in alkylbenzene solution of p-terphenyl. Solutions with efficiencies exceeding those of the best-reported liquid scintillation systems are described.