| Popis: |
The serviceability of a pulse ionization chamber filled with liquefied argon–deuteromethane mixtures was demonstrated. The substances were purified to a level of ∼1.7 × 10–9equiv O2using a Ni/SiO2adsorbent. The dependences of the ionization yield from relativistic-electron tracks and the drift velocity of ionization electrons on the electric-field strength were measured in the mixtures with deuteromethane concentrations of 2, 5, 10, and 25%. The properties of liquid CH4and CD4were compared. An isotopic effect was observed for the electron-drift velocity. |
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