DM - LArTPC DocDB - Fermilab

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Liquid Argon Materials Test System Features Opera&on Features of Materials Test System • External Filters regenerated in place • Can insert materials into known clean argon • Can insert materials a6er purging only or a6er pumping on them • Can posi:on materials into liquid and into ullage giving range of temperatures • Can insert known amounts of contaminant gases • Nitrogen-‐based condenser can maintain liquid for long (weeks) studies • Internal filter-‐pump can remove contamina:on introduced by materials – 2hr cycle • Argon sample points at source, a6er single-‐pass filters, and in cryostat gas and liquid 10 <strong>Fermilab</strong> Institutional Review, June 6-9, 2011
Measurement Features of Materials Test System • Measure electron dri6 life:me (0.3 milliseconds to 10 milliseconds) • Measure Oxygen (0.5 ppb sensi:vity) with oxygen meter (Delta-‐F & Tiger Op:cs) • Measure H20 in gas (0.5 ppb sensi:vity) with water meter (Tiger Op:cs) • Cryogenic data, Life:me Data, analy:c instrumenta:on data in single data-‐base • Runs 24/7 unaYended -‐ except for filter regenera:on and argon refills Lifetime Monitor Signals Anode Lifetime Monitor Analysis Cathode Lifetime Monitor a la ICARUS 11 <strong>Fermilab</strong> Institutional Review, June 6-9, 2011
Page 1 and 2: Work on Liquid Argon at Fermilab St
Page 3 and 4: Introduction Liquid Argon - Why Liq
Page 5 and 6: Introduction - Some Context (2) Ins
Page 7 and 8: Introduction Neutrino & Dark Matter
Page 9: Facilities - Schematic of Materials
Page 13 and 14: Materials Test Stand Typical data S
Page 15 and 16: LAr TPC Electronics Test Stand MSU
Page 17 and 18: Example of use of TPC data - for el
Page 19 and 20: 1 st in-liquid CMOS electronics on
Page 21 and 22: ArgoNeuT-T962: LArTPC exposed to Nu
Page 23 and 24: Achieving good lifetime in an uneva
Page 25 and 26: Some steps on the path to the LBNE
Page 27 and 28: First steps with the Membrane Techn
Page 29 and 30: Light Readout R & D (M.I.T & Indian
Page 31 and 32: Distillation Column Design and Real
Page 33 and 34: One Slide on Software It is recogni
Page 35 and 36: Conclusions Vigorous and broad rang
Page 37 and 38: Introduction Neutrino & Dark Matter

DM - LArTPC DocDB - Fermilab

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