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Board design for a citizen-science cosmic ray muon detector


Ramakrishnan,  Swathy
Division Prof. Dr. James A. Hinton, MPI for Nuclear Physics, Max Planck Society;

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Ramakrishnan, S. (2020). Board design for a citizen-science cosmic ray muon detector. Master Thesis, Hochschule Karlsruhe, Technik und Wirtschaft, Karlsruhe.

Cite as: http://hdl.handle.net/21.11116/0000-0007-4B18-B
The main aim of this project is to develop a printed circuit board for a cosmic ray muon detector with primary use for citizen science. Compared to the previous versions of the detector, the goals were to reduce the low frequency noise levels in the output and to improve the general board layout and functionality. The study of cosmic rays aids to reduce the electronic errors in consumer electronics and satellites along with quantifying the health impact of this natural radiation. Cosmic rays which contain mainly protons and nuclei interact in the upper atmosphere and produce muons that can reach the earth’s surface. These are then detected using photo diodes. The resulting signal is amplified using a charge sensitive preamplifier followed by a high-pass filter thereby allowing to reduce the unwanted noise and helping to obtain a strong signal.