PoS - Proceedings of Science
Volume 340 - The 39th International Conference on High Energy Physics (ICHEP2018) - Parallel: Detector
The Micromegas construction project for the ATLAS New Small Wheel
A. Kourkoumeli-Charalampidi* and  On behalf of the ATLAS Muon Collaboration
Full text: pdf
Published on: August 02, 2019
Large scale Micromegas (Micro mesh gaseous structure) detectors will be installed as part of the upgrade of the ATLAS innermost layer of the muon spectrometer end-cap regions, known as the New Small Wheel, in order to cope with the high radiation environment expected from the Run III onwards while providing tracking capabilities with good spatial resolution.
Such a large Micromegas detector size (up to 3 m$^2$) will be employed for the first time in high energy physics experiments. Each wheel will have eight detector planes, divided into two quadruplets, in order to provide tracking redundancy.
Each Micromegas quadruplet will have two readout planes for the reconstruction of the precision coordinate and two with stereo reading
($\pm$1.5 degrees) for the reconstruction of the second coordinate.
These detectors will provide efficiency better than $95 \%$ per single plane at rate capability up to 15 kHz/cm$^2$, in presence of magnetic fields up to 0.3 T. Four different types of Micromegas quadruplets modules (SM1, SM2, LM1, LM2) each with different shape and dimensions, built by different institutes, will compose the NSW.
DOI: https://doi.org/10.22323/1.340.0087
How to cite

Metadata are provided both in "article" format (very similar to INSPIRE) as this helps creating very compact bibliographies which can be beneficial to authors and readers, and in "proceeding" format which is more detailed and complete.

Open Access
Creative Commons LicenseCopyright owned by the author(s) under the term of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.