A two dimensional electron analyzer for electron-ion collisions

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Published under licence by IOP Publishing Ltd
, , Citation Y Kato et al 1997 Phys. Scr. 1997 405 DOI 10.1088/0031-8949/1997/T73/135

1402-4896/1997/T73/405

Abstract

A toroidal electrostatic analyzer with a two dimensional position sensitive electron detector has been designed and built. The analyzer is installed to the electron spectrometer for measurements of the differential excitation cross sections in electron-ion collisions. The electron position is resolved in the energy and angular dispersive directions of the analyzer by means of microchannel plates and a charge dividing collector. The analyzer has an acceptance angle of 90°, and the analyzing energy range is 20% of the central pass energy with a relative energy resolution of 1%.

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10.1088/0031-8949/1997/T73/135