DOE OSTI · 3009873
Readout electronics for low occupancy High-Pressure Gas TPCs
Abstract
High-Pressure Gas Time Projection Chambers (HPgTPCs) have benefits such as low energy thresholds, magnetisability, and 4π acceptance, making them ideal for neutrino experiments such as DUNE. We present the design of an FPGA-based solution optimised for Gaseous Argon Near Detector (ND-GAr), which is part of the Phase-II more capable near detector for DUNE. These electronics reduce the cost significantly compared to using collider readout electronics, which are typically designed for much higher occupancy and therefore, for example, need much larger numbers of FPGAs and power per channel. We demonstrate the performance of our electronics with the Teststand for an Overpressurised Argon Detector (TOAD) at Fermilab in the US at a range of pressures and gas mixtures up to 4.5 barA, reading out ∼10 000 channels from a Multi-Wire Proportional Chamber (MWPC). The operation took place between April and July of 2024. We measure the noise characteristics of the system to be sufficiently low, and we identify sources of noise that can be further mitigated in the next iteration. We also note that the cooling scheme used in the test requires improvement before full-scale deployment. Despite these necessary improvements, we show that the system can fulfil the needs of a HPgTPC for a fraction of the price of collider readout electronics.
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Khan, N. [Imperial College, London (United Kingdom)] (ORCID:0000000235369604), Hua, Y. [Imperial College, London (United Kingdom)] (ORCID:0009000714492383), Xiotidis, I. [Imperial College, London (United Kingdom)] (ORCID:0000000314014748), Alves, T. [Imperial College, London (United Kingdom)], Atkin, E. [Imperial College, London (United Kingdom)], Barker, G. [Univ. of Warwick, Coventry (United Kingdom)], Barrow, D. [Univ. of Oxford (United Kingdom)], Booth, A. [Queen Mary Univ. of London (United Kingdom)], Borg, J. [Imperial College, London (United Kingdom)], Bross, A. [Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)], Cicala, M. F. [Univ. College London (United Kingdom)], Cremonesi, L. [Queen Mary Univ. of London (United Kingdom)], Deisting, A. [Johannes Gutenberg Univ., Mainz (Germany)] (ORCID:0000000153729944), Duffy, K. [Univ. of Oxford (United Kingdom)], Gran, R. [Univ. of Minnesota, Duluth, MN (United States)], Green, P. [Univ. of Oxford (United Kingdom)], Habig, A. [Univ. of Minnesota, Duluth, MN (United States)], Judah, M. [Univ. of Pittsburgh, PA (United States)], Junk, T. [Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)], Kaboth, A. [Royal Holloway, Univ. of London (RHUL), Egham (United Kingdom)], Klustová, A. [Imperial College, London (United Kingdom)], LeMoine, H. [Univ. of Minnesota, Duluth, MN (United States)], Marino, A. D. [Univ. of Colorado, Boulder, CO (United States)], Martínez López, F. [Queen Mary Univ. of London (United Kingdom); Indiana Univ., Bloomington, IN (United States)] (ORCID:0000000237118403), Mohayai, T. [Indiana Univ., Bloomington, IN (United States)], Naples, D. [Univ. of Pittsburgh, PA (United States)], Nichol, R. [Univ. College London (United Kingdom)], Parker, D. [Imperial College, London (United Kingdom)], Pfaff, M. [Imperial College, London (United Kingdom)], Raaf, J. [Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)], Rubinov, P. [Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)], Singh, P. [Queen Mary Univ. of London (United Kingdom)], Srivastava, A. [Johannes Gutenberg Univ., Mainz (Germany)], Waldron, A. [Imperial College, London (United Kingdom); Queen Mary Univ. of London (United Kingdom)], Warsame, L. [Imperial College, London (United Kingdom); Royal Holloway, Univ. of London (RHUL), Egham (United Kingdom)], Wascko, M. [Imperial College, London (United Kingdom); Univ. of Oxford (United Kingdom)], Wilkinson, A. [Univ. of Warwick, Coventry (United Kingdom); Univ. College London (United Kingdom)], Ritchie-Yates, A. [Royal Holloway, Univ. of London (RHUL), Egham (United Kingdom)], Dunne, P. [Imperial College, London (United Kingdom)]. 2025-12-17. Readout electronics for low occupancy High-Pressure Gas TPCs. https://doi.org/10.1088/1748-0221%2F20%2F12%2Fp12023
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