A Fiber Detector to Monitor Ortho-Ps Formation and Decay (CERN AEgIS)

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Work from my time at the AEgIS experiment at CERN has been published in Nuclear Instruments and Methods in Physics Research Section A. The paper describes a scintillating fiber detector developed to monitor ortho-positronium (o-Ps) formation and decay, used in the context of antihydrogen production experiments.

Paper: doi.org/10.1016/j.nima.2021.166275 Venue: Nuclear Instruments and Methods in Physics Research Section A, Vol. 1027 (2022) Authors: Rienäcker, B., Brusa, R.S., Caravita, R., Mariazzi, S., Penasa, L., Pino, F., Ranum, O.A., Nebbia, G.

Summary: We present a scintillating fiber detector designed to track ortho-positronium annihilation photons in the AEgIS apparatus at CERN. The detector provides real-time monitoring of o-Ps formation efficiency, critical for optimizing antihydrogen production rates. I contributed to detector calibration and data analysis during my technical internship at CERN in 2020.