Molecular Beam for the Study of High-Temperature-Gas Collision Processes

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Abstract
A high-intensity molecular beam is described, in which a tailored-interface shock tube is used as the gas source. The purpose of the apparatus is to extend molecular beam techniques into the 1–10 ev per particle range, in order to study collision processes in high-temperature gases. The principles of the apparatus are discussed. Experimental intensity profiles agree with the predicted profiles. A 0.7-ev nitrogen beam was produced in experiments which were designed to determine whether high-intensity high-energy beams could be obtained when the stagnation temperature of the gas in an order of magnitude higher than the apparatus temperature.

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