982 resultados para Ionization chambers.


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We present a study on the dependence of electric breakdown discharge properties on electrode geometry and the breakdown field in liquid argon near its boiling point. The measurements were performed with a spherical cathode and a planar anode at distances ranging from 0.1 mm to 10.0 mm. A detailed study of the time evolution of the breakdown volt-ampere characteristics was performed for the first time. It revealed a slow streamer development phase in the discharge. The results of a spectroscopic study of the visible light emission of the breakdowns complement the measurements. The light emission from the initial phase of the discharge is attributed to electro-luminescence of liquid argon following a current of drifting electrons. These results contribute to set benchmarks for breakdown-safe design of ionization detectors, such as Liquid Argon Time Projection Chambers (LAr TPC).

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"Reprinted from the Physical review, n. s., vol. XVI, no. 4, October, 1920."

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Includes bibliography.

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"This report is based on research sponsored by the Rome Air Development Center of the Air Research and Development Command under Contract AF 30(602)-2267."

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"ASD-TDR-62-1078. Contract no. AF33(616)-8055."

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Added t.p.: Edinburgh : William and Robert Chambers.

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Mode of access: Internet.

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Edited by William and Robert Chambers.

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Mode of access: Internet.

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Mode of access: Internet.