Development of a Micro Pixel Chamber for the ATLAS Upgrade | Zendy

A. Ochi | Zendy; Yasuhiro Homma | Zendy; H Komai | Zendy; Y Edo | Zendy; Takahiro Yamaguchi | Zendy

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Development of a Micro Pixel Chamber for the ATLAS Upgrade

Author(s) -

A. Ochi,

Yasuhiro Homma,

H Komai,

Y Edo,

Takahiro Yamaguchi

Publication year - 2012

Publication title -

physics procedia

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.26

H-Index - 61

ISSN - 1875-3892

DOI - 10.1016/j.phpro.2012.02.397

Subject(s) - upgrade , large hadron collider , detector , materials science , atlas (anatomy) , foil method , neutron , electrode , pixel , printed circuit board , time projection chamber , nuclear physics , nuclear engineering , physics , optics , electrical engineering , computer science , composite material , paleontology , operating system , quantum mechanics , biology , engineering

The Micro Pixel Chamber(μ-PIC)isbeingdevelopedasacandidateforthe muonsystemoftheATLAS detectorfor upgrading in LHC experiments. The μ-PICisa micro-patterngaseous detector that doesn’thave oating structure such as wires, mesh, or foil. This detector can be made by printed-circuit-board (PCB) technology, which is commercially available and suited for mass production. Operation tests have been performed under high ux neutrons under similar conditions to theATLAS cavern. Spark rates are measured using severalgas mixtures under7MeV neutron irradiation, andgoodpropertieswereobservedusingneon,ethane,andCF4mixtureofgases.Usingresistivematerialsas electrodes, we are also developing a new μ-PIC, which is not expected to damage the electrodes in the case of discharge sparks

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