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Performance of a wall-less drift chamber for muon detection

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DOI: 10.1016/0168-9002(94)01238-5
OAI: oai:inspirehep.net:400724
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INSPIRE-HEP
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Abstract

We present results on an intensive study of a muon detector prototype designed for an experiment at the LHC. The chamber has eight layers of drift tubes measuring one projection of a muon track, and was tested with cosmic and beam muons and in a magnetic field. Single hit detection efficiencies of 99.9% for all gas mixtures and single hit resolutions of 190 μm for the preferred gas mixture of Ar/CO 2 80% / 20% were achieved. In a magnetic field of 3 T the single hit resolution with this gas mixture decreased by 10%.

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