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Related papers: The Micromegas Project for the ATLAS Upgrade

200 papers

A muon tracking system consisting of four 9cm x 10cm sized bulk Micromegas detectors with 128um amplification-gap and two 10cm x 10cm triple GEM detectors is foreseen for high-precision tracking of 140GeV muons at the H8 beamline at CERN…

Instrumentation and Detectors · Physics 2015-06-03 Jonathan Bortfeldt , Otmar Biebel , David Heereman , Ralf Hertenberger

The LHC upgrade scheduled for 2018 is expected to significantly increase the accelerator's luminosity, and as a result the radiation background rates in the ATLAS Muon Spectrometer will increase too. Some of its components will have to be…

Instrumentation and Detectors · Physics 2015-06-04 Itamar Roth , Amit Klier , Ehud Duchovni

Micromesh Gas Amplification Structures (Micromegas) are being used in an increasing number of Particle Physics applications since their conception fourteen years ago. More recently, they are being used or considered as readout of Time…

The most compelling candidates for Dark Matter to day are WIMPs and axions. The applicability of gasesous Time Projection Chambers (TPCs) with Micromesh Gas Structures (Micromegas) to the search of these particles is explored within this…

Following the Higgs particle discovery, the Large Hadron Collider complex will be upgraded in several phases allowing the luminosity to increase to $7 \times 10^{34}cm^{-2}s^{-1}$. In order to adapt the ATLAS detector to the higher…

Instrumentation and Detectors · Physics 2019-03-27 Xiao Zhao , Dengfeng Zhang , Wenlong Li , Changyu Li , Chengguang Zhu , Han Li , Shengquan Liu , Peng Miao , Yanyan Du , Yanyun Duan

Timing information in current and future accelerator facilities is important for resolving objects (particle tracks, showers, etc.) in extreme large particles multiplicities on the detection systems. The PICOSEC Micromegas detector has…

The Large Hadron Collider (LHC) at CERN is expected to be upgraded to the High-Luminosity LHC (HL-LHC) by 2029 and achieve instantaneous luminosity around 5 - 7.5 $\times$ 10$^{34}$cm$^{-2}$ s$^{-1}$. This represents a more than 3-4 fold…

The muon spectrometer of the ATLAS experiment is one of the largest detectors ever built. At the LHC, new physics signs could appear through high momentun muons (1 TeV). Identification and precise momentum measurement of such muons are two…

Instrumentation and Detectors · Physics 2008-10-10 F. Chevallier

The present work involves the comparison of various bulk Micromegas detectors having different design parameters. Six detectors with amplification gaps of $64,~128,~192,~220 ~\mu\mathrm{m}$ and mesh hole pitch of $63,~78 ~\mu\mathrm{m}$…

Instrumentation and Detectors · Physics 2016-05-12 Purba Bhattacharya , Sudeb Bhattacharya , Nayana Majumdar , Supratik Mukhopadhyay , Sandip Sarkar , Paul Colas , David Attie

ATLAS is a detector under construction to explore the physics at the Large Hadron Collider at CERN. It has a muon spectrometer with an excellent momentum resolution of 3-10%, provided by three layers of precision monitored-drift-tube…

Instrumentation and Detectors · Physics 2007-05-23 S. Horvat , O. Kortner , H. Kroha , A. Manz , S. Mohrdieck , V. Zhuravlov

The MIMAC project is a multi-chamber detector for Dark Matter search, aiming at measuring both track and ionization with a matrix of micromegas micro-TPC filled with He3 and CF4. Recent experimental results on the first measurements of the…

Cosmology and Nongalactic Astrophysics · Physics 2009-09-01 F. Mayet , O. Guillaudin , C. Grignon , C. Koumeir , D. Santos , P. Colas , I. Giomataris

A new Micromegas manufacturing technique, based on kapton etching technology, has been recently developed, improving the uniformity and stability of this kind of readouts. Excellent energy resolutions have been obtained, reaching 11% FWHM…

A new small-diameter Monitored Drift Tube (sMDT) chamber has been developed for the muon spectrometer of the ATLAS experiment to handle the higher collision rates expected at the CERN High Luminosity Large Hadron Collider (HL-LHC). This…

Instrumentation and Detectors · Physics 2021-12-08 Kevin Nelson , Yuxiang Guo , Dante Amidei , Edward Diehl

In this paper, the design and the performance of a prototype detector based on MicroMegas technology with two detection planes in a common gas volume is discussed. The detector is suited for the forward region of LHC detectors, addressing…

Instrumentation and Detectors · Physics 2017-06-28 Bernard Brickwedde , Andreas Düdder , Matthias Schott , Eda Yildirim

The Monitored Drift Tubes, as a part of the ATLAS muon spectrometer, are precision drift chambers designed to provide excellent spatial resolution and high tracking efficiency independent of the track angle. Through the life of the LHC and…

Instrumentation and Detectors · Physics 2021-12-15 G. H. Eberwein , O. Kortner , H. Kroha , M. Rendel , P. Rieck , D. Soyk , E. Voevodina , V. Walbrecht

The off-axis magnetic near detector of the T2K experiment has undergone a significant upgrade, including the construction and installation of two new Time Projection Chambers featuring innovative resistive Micromegas technology and a field…

The bulk Micromegas detector is considered to be a promising candidate for building TPCs for several future experiments including the projected linear collider. The standard bulk with a spacing of 128 micron has already established itself…

Instrumentation and Detectors · Physics 2016-05-11 Purba Bhattacharya , Sudeb Bhattacharya , Nayana Majumdar , Supratik Mukhopadhyay , Sandip Sarkar , Paul Colas , David Attie