Tiemens, Tesse (2022) Investigating the Viability of Using Avalanche Photodiodes for State Detection of BaF in the NL-eEDM Experiment. Bachelor's Thesis, Physics.
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Abstract
Electron electric dipole moment (EDM) measurements provide for sensitive tests of physics beyond the Standard Model, and the NL-eEDM collaboration aims to be such a measurement. This experiment, which uses Barium Monofluoride molecules to measure the EDM, requires the detection of small amounts of infrared photons as its main signal for the measurement. In this thesis we propose a new method of detecting these photons using avalanche photodiodes, which has the potential to overcome some of the limits of the current method using photomultiplier tubes. The performance of one such diode was tested in terms of sensitivity, voltage response, and noise. It was found that the current setup did not reach the shot noise limit, and so would not be an improvement to the experiment. However, improvements to the measurement electronics are possible and a few of these were explored and recommended for further investigations.
| Item Type: | Thesis (Bachelor's Thesis) |
|---|---|
| Supervisor name: | Willmann, L. and Mulder, M. |
| Degree programme: | Physics |
| Thesis type: | Bachelor's Thesis |
| Language: | English |
| Date Deposited: | 15 Jul 2022 12:03 |
| Last Modified: | 15 Jul 2022 12:03 |
| URI: | https://fse.studenttheses.ub.rug.nl/id/eprint/27906 |
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