Proceedings PaperResponse of ionization chambers filled with liquid xenon doped with organic molecules to gamma rays
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The charge collection and energy resolution in liquid rare gas ionization chambers can be improved by doping the liquid with photoionization molecules. We have observed the improvement in liquid Xe doped with triethylamine (TEA). The improvement is remarkable especially at a low electric field region. This effect is used to develop gamma-ray detectors with good energy resolution as well as high detection efficiency for gamma rays.