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arXiv · 1511.03884

Construction of two large-size four-plane micromegas detectors

Michele Bianco·Hans Danielsson·Jordan Degrange·Rui De Oliveira·Andreas Düdder·Edoardo Farina·Fabian Kuger·Paolo Iengo·Francisco Perez Gomez·Tai-Hua Lin·Matthias Schott·Givi Sekhniaidze·Federico Sforza·Ourania Sidiropoulou·Chrysostomos Valderanis·Maurice Vergain·Jörg Wotschack
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Abstract

We report on the construction and initial performance studies of two micromegas detector quadruplets with an area of 0.5 m$^2$. They serve as prototypes for the planned upgrade project of the ATLAS muon system. Their design is based on the resistive-strip technology and thus renders the detectors spark tolerant. Each quadruplet comprises four detection layers with 1024 readout strips and a strip pitch of 415 $μ$m. In two out of the four layers the strips are inclined by $\pm$1.5$^{\circ}$ to allow for the measurement of a second coordinate. We present the detector concept and report on the experience gained during the detector construction. In addition an evaluation of the detector performance with cosmic rays and test-beam data is given.

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Michele Bianco, Hans Danielsson, Jordan Degrange, Rui De Oliveira, Andreas Düdder, Edoardo Farina, Fabian Kuger, Paolo Iengo, Francisco Perez Gomez, Tai-Hua Lin, Matthias Schott, Givi Sekhniaidze, Federico Sforza, Ourania Sidiropoulou, Chrysostomos Valderanis, Maurice Vergain, Jörg Wotschack. 2015-11-12. Construction of two large-size four-plane micromegas detectors. https://doi.org/10.1016/j.nima.2016.01.049

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