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Author ORCID Identifier
Open Access Dissertation
Doctor of Philosophy (PhD)
Year Degree Awarded
Month Degree Awarded
Cosmology, Relativity, and Gravity | Elementary Particles and Fields and String Theory | Engineering Physics | Nuclear
Self-shielding in ton-scale liquid xenon (LXe) detectors presents a unique challenge for calibrating detector response to interactions in the detector's innermost volume. Calibration radioisotopes must be injected directly into the LXe to reach the central volume, where they must either decay away with a short half life or be purified out. We present an overview of, and results from, the prototype source injection system (SIS) developed at the University of Massachusetts Amherst for the LUX-ZEPLIN experiment (LZ). The SIS is designed to refine techniques for the injection and removal of precise activities of various calibration radioisotopes that are useful in LXe time projection chamber (TPC) experiments such as LZ. We also outline a number of calibration analyses which help to provide a comprehensive understanding of the various detector systems that compose LZ.
Nedlik, Christopher D., "CALIBRATION OF THE LUX-ZEPLIN DUAL-PHASE XENON TIME PROJECTION CHAMBER WITH INTERNALLY INJECTED RADIOISOTOPES" (2022). Doctoral Dissertations. 2558.
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Available for download on Saturday, May 13, 2023