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Kim, J.G.; Dardin, S.M.; Kadel, R.W.; Kadyk, J.A.; Jackson, K.H.; Peskov, V.; Wenzel, W.A.; Joo, K.S.
IEEE transactions on nuclear science, 08/2003, Letnik: 50, Številka: 4Journal Article
Previously, we showed how small admixtures of xenon (Xe) stabilize electron avalanches in liquid Argon (LAr). In the present work, we have measured the positive charge carrier mobility in LAr with small admixtures of Xe to be 6.4/spl times/10/sup -3/ cm/sup 2//Vs, in approximate agreement with the mobility measured in pure LAr and consistent with holes as charge carriers. We have measured the concentration of Xe actually dissolved in the liquid and compared the results with expectations based on the amount of Xe gas added to the LAr. We also have tested LAr doped with krypton to investigate the mechanism of avalanche stabilization.
