A method for intensity calibration of an electron spectrometer with multi-angle detection

Ábrók, Levente and Ricsóka, Ticia and Kövér, Ákos and Balog, R. and Hatvani, D. and Herczku, Péter and Kovács, Sándor and Ricz, Sándor (2016) A method for intensity calibration of an electron spectrometer with multi-angle detection. NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS, 369. pp. 24-28. ISSN 0168-583X

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Abstract

A special electrostatic electron spectrometer designed for precise and unique experiments and an inten- sity calibration method for universal application in electron spectroscopy are presented. The upgrade of the analyzer enables the intensity calibration at arbitrary electron energies using elastically scattered electrons. In order to test the calibration procedure the double differential (in energy and angle) ioniza- tion cross sections (DDCS) of electrons ejected from 300 keV proton-argon collisions were measured and compared with the data of Rudd et al. [1]. The good agreement between the two data sets verifies the applicability of the calibration method.

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