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The neutrino mass experiments on the tritium β-spectrum by Lubimov and collaborators at the Institute for Theoretical and Experimental Physics in Moscow (ITEP) rely crucially on the correct determination of the instrumental response function. We have applied the ITEP-83 procedure for obtaining this function in an experimental situation where we can assess independently its pertinent properties. It seems probable that a response function defined as in ITEP-83 results in an inferred value Hollister Clothing Outlet Online of Mv2 being overestimated by at least some (1600±400) (eV)2, enough to cancel any suggestion of finite mass in the data of ITEP-83.
Previous studies have shown that a physiologically based model using motion-opponent operators to compute heading performs accurately for simulated observer translations. Here we show how this model can explain an illusory shift in the perceived focus of expansion of a radial flow field that occurs when a field of laterally Hollister Toronto Sale moving dots is superimposed on a field of radially moving dots. Furthermore, we can use the model to predict the perceptual shift of the focus of expansion for novel visual stimuli. These results support the hypothesis that this illusion results from motion subtraction during the processing of optic flow fields.