Yield of metastable atoms from a rare gas discharge in a longitudinal magnetic field
Master of Science (MS)
First Advisor's Name
John W. Sheldon
First Advisor's Committee Title
Second Advisor's Name
Third Advisor's Name
Kenneth A. Hardy
Fourth Advisor's Name
Electric discharges through gases, Atomic beams
Date of Defense
Atomic beam experiments are limited by intensity. Intensity limitations are specially critical in the measurements of metastable atoms, since their relative population is several order of magnitude smaller than the beam population. This thesis provides a method for increasing the intensity of metastable argon and neon beams effusing from a hot cathode, glow discharge by use of a longitudinal magnetic field. The argon and neon metastable atom intensities have been measured for a range of discharge pressure, voltage, and current for a magnetic field strengths from 0 to 31 mT. For both argon and neon, the metastable atom beam intensity rises to a maximum value about one order of magnitude above the zero field case. A qualitative discussion of the theory of this phenomenon is also presented.
Barrios, Andrés J., "Yield of metastable atoms from a rare gas discharge in a longitudinal magnetic field" (1993). FIU Electronic Theses and Dissertations. 1415.
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