Role of adsorption effects on absolute electron-molecule cross-section calibration using the relative flow technique |
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Authors: | Homem M G P Iga I Sugohara R T Sanches I P Lee M T |
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Affiliation: | Departamento de Fi?sica, UFSC, Floriano?polis/SC, Brazil. mgphomem@fsc.ufsc.br |
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Abstract: | In this work, we report an experimental investigation on relative flow-rate determination for vapors. The mechanism of adsorption-desorption of vapors on surfaces is considered. In contrast to previous investigations, our study shows that the adsorption of vapors on surfaces may significantly affect the flow-rate determination and consequently the measured cross sections. Particularly, for water, it can result in an overestimation of 35% in the cross sections. |
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