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The ACPAR spectrometer

The source-sample stage of the new two-dimensional angular correlation of annihilation radiation spectrometer at Technische Universität München

This is the fundamental publication concerning the Garching Spectrometer for Angular Correlation of Positron Annihilation Radiation (ACPAR). It describes the instrument and evaluates its performance in guiding positrons from a 22Na-source towards a small spot on the sample in terms of the achievable resolution. For a more detailed discussion of the detectors and data treatment see another publication.

The article appeared in Rev. Sci. Instrum 84, 043905 (2013) and may be found here, while I am allowed to post the full text freely accessible here. Copyright 2013 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics.
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