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Related papers: Performance Studies of Bulk Micromegas of Differen…

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The idea of implementing electroluminescence-based amplification through transparent multi-hole structures (FAT-GEMs) has been entertained for some time. Arguably, for such a technology to be attractive it should perform at least at a level…

On-line monitoring of beam quality for high brightness beams is only possible using non-invasive instruments. For matching measurements, very few such instruments are available. One candidate is a quadrupole pick-up. Therefore, a new type…

Accelerator Physics · Physics 2009-11-07 Andreas Jansson

A novel and relatively simple method of production of electrodes for a multi-channel wire gas multiplier is developed. Two modifications of the multipliers have been tested: with a multiplication of electrons between two wire electrodes,…

Instrumentation and Detectors · Physics 2010-11-15 B. M. Ovchinnikov , V. V. Parusov , Yu. B. Ovchinnikov

In this work, a part of the Research and Development effort of the PICOSEC detector is presented. The PICOSEC detector is a novel gas-filled detector, based on the Micromegas detector, which has been developed by the RD-51 PICOSEC…

Instrumentation and Detectors · Physics 2020-10-27 K. Paraschou

The Micro-Pattern Gaseous Detectors offer excellent spatial and temporal resolution in harsh radiation environments of high-luminosity colliders. In this work, an attempt has been made to establish an algorithm for estimating the time…

Instrumentation and Detectors · Physics 2016-05-11 Purba Bhattacharya , Nayana Majumdar , Supratik Mukhopadhyay , Sudeb Bhattacharya

Gas electron Multipliers (GEM) are a new generation of gaseous avalanche devices in the Micro Patterned Gaseous Detector category. GEMs are widely used in both nuclear and high energy experiments as well as in medical science. Several…

Instrumentation and Detectors · Physics 2022-12-21 Senta V. Greene , Julia Velkovska , Brandon Blankenship , Michael Z. Reynolds , Sourav Tarafdar

The Gas Electron Multiplier (GEM) detector is one of the advanced members of the Micro Pattern Gas Detector (MPGD) family, used in High Energy Physics (HEP) experiments as a tracking device due to its high rate handling capability and good…

Instrumentation and Detectors · Physics 2022-06-23 S. Chatterjee , A. Sen , S. Das , S. Biswas

The MICROMEGAS detector concept, generally optimized for use in accelerator experiments, displays a peculiar combination of features that can be advantageous in several astroparticle and neutrino physics applications. Their sub-keV…

High Energy Physics - Experiment · Physics 2011-07-19 J. I. Collar , Y. Giomataris

Micromesh Gas Structures (Micromegas) as readout of gaseous Time Projection Chambers (TPCs) are being considered in experiments investigating rare phenomena, like the nuclear double beta decay, solar axion detection and low-mass dark matter…

As demonstrated by the ATLAS New Small Wheel community with their MicroMegas (MM) design, resistive electrodes are now used in different detector types within the Micro Pattern Gaseous Detector family to improve their robustness or…

The demand for a large number of readout channels has been a limiting factor for the application of Micro-pattern Gaseous Detectors (MPGDs) in achieving higher spatial resolution and larger detection areas. This challenge is further…

Instrumentation and Detectors · Physics 2025-05-22 Yu Wang , Shubin Liu , Hao Zhuang , Zhengwu Ding , Zhihang Yao , Changqing Feng , Zhiyong Zhang

Gas Electron Multipliers (GEMs) are used in many particle physics experiments, employing their 'standard' configuration with amplification holes of 140 um pitch in a hexagonal pattern. However, the collection of the charge cloud from the…

Optical readout of large Time Projection Chambers (TPCs) with multiple Gas Electron Multipliers (GEMs) amplification stages has shown to provide very interesting performances for high energy particle tracking. Proposed applications for…

The Gas Electron Multiplier (GEM) has become a widely used technology for high-rate particle physics experiments like COMPASS, LHCb and are being used as the readout system for the upcoming upgrade version of other experiments such as ALICE…

Instrumentation and Detectors · Physics 2021-05-26 Promita Roy , Purba Bhattacharya , Supratik Mukhopadhyay , Nayana Majumdar

In gaseous tracking detectors with a large gaseous volume multiple layers of Gas Electron Multipliers (GEM) can be used to block positive ions from flowing back into the active volume, which is detrimental to the tracking performance. We…

Instrumentation and Detectors · Physics 2022-10-19 Sourav Tarafdar , Senta V. Greene , Julia Velkovska , Brandon Blankenship , Michael Z. Reynolds

We present a new design and assembly procedure of a large-area gas-avalanche Resistive-Plate WELL (RPWELL) detector. A $50\times50 ~\mathrm{cm^2}$ prototype was tested in $\mathrm{80 ~GeV/c}$ muon beam at CERN-SPS, presenting improved…

Instrumentation and Detectors · Physics 2023-07-19 D. Zavazieva , L. Moleri , A. Jash , G. Sela , F. de Vito-Halevy , S. Bressler

Gaseous microemboli (GME) introduced during cardiac surgery are considered as a potential source of morbidity, which has driven the development of the first bubble counters. Two new generation bubble counters claim correct sizing and…

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