A prototype liquid Argon Time Projection Chamber for the study of UV laser multi-photonic ionization
arXiv:0906.3437 · doi:10.1088/1748-0221/4/07/P07011
Abstract
This paper describes the design, realization and operation of a prototype liquid Argon Time Projection Chamber (LAr TPC) detector dedicated to the development of a novel online monitoring and calibration system exploiting UV laser beams. In particular, the system is intended to measure the lifetime of the primary ionization in LAr, in turn related to the LAr purity level. This technique could be exploited by present and next generation large mass LAr TPCs for which monitoring of the performance and calibration plays an important role. Results from the first measurements are presented together with some considerations and outlook.
26 pages, 27 figures
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- High Voltage in Noble Liquids for High Energy Physics
- Status and New Ideas Regarding Liquid Argon Detectors
- A steerable UV laser system for the calibration of liquid argon time projection chambers
- Study of scintillation light collection, production and propagation in a 4 tonne dual-phase LArTPC
- Ionization signals from electrons and alpha-particles in mixtures of liquid Argon and Nitrogen - perspectives on protons for Gamma Resonant Nuclear Absorption applications
- 30 kV coaxial vacuum-tight feedthrough for operation at cryogenic temperatures
- First Operation of a Resistive Shell Liquid Argon Time Projection Chamber -- A new Approach to Electric-Field Shaping