Parameterization of Electron Attachment Rate Constants for Common Impurities in LArTPC Detectors
arXiv:2205.06888 · doi:10.1088/1748-0221/17/11/T11007
Abstract
The ability of free electrons to drift long distances at high velocities in pure liquid argon under an applied electric field has been exploited for the past forty years to implement detectors with increasingly large volumes for high energy physics research. In this paper, we summarize the electron attachment rate constants as a function of the external electric field for common impurities in LArTPC with data from the literature. We further provide analytical functions to parameterize the data, which are useful to compare with new measurements as well as to make extrapolations.
23 pages, 4 figures, Accepted by JINST
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- Spatial and Temporal Evaluations of the Liquid Argon Purity in ProtoDUNE-SP
- Benchmarking the design of the cryogenics system for the underground argon in DarkSide-20k
- Unraveling the puzzle of slow components in gaseous argon of two-phase detectors for dark matter searches using Thick Gas Electron Multiplier