Test of a Liquid Argon TPC in a magnetic field and investigation of high temperature superconductors in liquid argon and nitrogen

Tests with cosmic ray muons of a small liquid argon time projection chamber (LAr TPC) in a magnetic field of 0.55 T are described. No effect of the magnetic field on the imaging properties were observed. In view of a future large, magnetized LAr TPC, we investigated the possibility to operate a high...

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Bibliographic Details
Published in:Journal of physics. Conference series 2011-07, Vol.308 (1), p.12026-5, Article 012016
Main Authors: Badertscher, A, Knecht, L, Laffranchi, M, Natterer, G, Rubbia, A, Strauss, Th
Format: Article
Language:English
Subjects:
Argon
Cables
Chambers
Cosmic rays
Critical current (superconductivity)
High temperature superconductors
Liquid nitrogen
Liquids
Magnetic fields
Magnetic properties
Muons
Physics
Projection
Radiation counters
Solenoids
Superconductivity
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Summary:Tests with cosmic ray muons of a small liquid argon time projection chamber (LAr TPC) in a magnetic field of 0.55 T are described. No effect of the magnetic field on the imaging properties were observed. In view of a future large, magnetized LAr TPC, we investigated the possibility to operate a high temperature superconducting (HTS) solenoid directly in the LAr of the detector. The critical current Ic of HTS cables in an external magnetic field was measured at liquid nitrogen and liquid argon temperatures and a small prototype HTS solenoid was built and tested.
ISSN:1742-6596
1742-6588
1742-6596
DOI:10.1088/1742-6596/308/1/012026