A novel FPGA-based data acquisition for high-precision asymmetry measurements at low rates in electron scattering

Asymmetry measurements in the scattering of polarized electrons on unpolarized targets are powerful tools to study the neutron distribution in nuclei and the multi-photon exchange contribution to the scattering process. Measuring these quantities requires not only precise counting of the scattered electrons, but also simultaneous accurate monitoring of the primary beam in order to correct any non-physical asymmetries. For this purpose, a dedicated data acquisition set-up was developed using FPGAs and fast discriminators for electron counting and voltage-to-frequency converters for beam monitoring. The performance of the new set-up was evaluated in experiments at the Mainz Microtron.

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Publication Details

Journal
Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment
Published
2024-12-31
DOI
https://doi.org/10.1016/j.nima.2024.170187
Citations
2
Primary Topic
Electron and X-Ray Spectroscopy Techniques
Type
article
Field-Weighted Citation Impact
0.36

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article

A novel FPGA-based data acquisition for high-precision asymmetry measurements at low rates in electron scattering

M. Thiel, M. Mihovilovič, A. Esser, C. Sfienti et al.
2 citations
Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment
Electron and X-Ray Spectroscopy Techniques
0.36
article

A novel FPGA-based data acquisition for high-precision asymmetry measurements at low rates in electron scattering

M. Thiel, M. Mihovilovič, A. Esser, C. Sfienti, B. S. Schlimme, L. Doria, J. Pochodzalla, Nikita Kozyrev, S. Stengel, H. Merkel, M. Hoek, T. Shao, U. Müller, Felix Keil, A. Del Vincio
article en
2 citations

Abstract

Asymmetry measurements in the scattering of polarized electrons on unpolarized targets are powerful tools to study the neutron distribution in nuclei and the multi-photon exchange contribution to the scattering process. Measuring these quantities requires not only precise counting of the scattered electrons, but also simultaneous accurate monitoring of the primary beam in order to correct any non-physical asymmetries. For this purpose, a dedicated data acquisition set-up was developed using FPGAs and fast discriminators for electron counting and voltage-to-frequency converters for beam monitoring. The performance of the new set-up was evaluated in experiments at the Mainz Microtron.

Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated EquipmentVol. 1072
University of Pisa (IT), University of Ljubljana (SI), Johannes Gutenberg University Mainz (DE), Fudan University (CN), Jožef Stefan Institute (SI), Institute of Modern Physics (CN)
Deutsche Forschungsgemeinschaft
Affordable and clean energy
Openalex Percentile: Top 43%
Electron and X-Ray Spectroscopy Techniques
0.36
DOIOpen Access PDFOpenAlex
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