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This work is proposing and exploring the use of multichannel readout electronics, already used in quality assurance for gain uniformity studies, to measure the uniformity of the induction gap in GEM based detectors. The measurement will…

Instrumentation and Detectors · Physics 2021-10-27 Mohit Gola

We study the feedback of positive ions in triple and quadruple Gas Electron Multiplier (GEM) detectors. The effects of GEM hole diameter, detector gain, applied voltages, number of GEMs and other parameters on ion feedback are investigated…

Instrumentation and Detectors · Physics 2009-11-07 A. Bondar , A. Buzulutskov , L. Shekhtman , A. Vasiljev

Accurately detecting symbols transmitted over multiple-input multiple-output (MIMO) wireless channels is crucial in realizing the benefits of MIMO techniques. However, optimal MIMO detection is associated with a complexity that grows…

Signal Processing · Electrical Eng. & Systems 2024-10-28 Xingyu Zhou , Le Liang , Jing Zhang , Chao-Kai Wen , Shi Jin

Advances in fabrication techniques and high-performance electronics have facilitated the development of fine-pitch Gas Electron Multipliers (GEMs). Earlier experimental and simulation findings suggest that these reduced-pitch GEMs can…

Instrumentation and Detectors · Physics 2026-01-16 Rajiv Gupta , Sunidhi Saxena , Ajay Kumar

For its ease manufacturing, flexible geometry, and cheap manufacturing cost, the gas electron multiplier (GEM) detector can be used as an x-ray image sensor. For this purpose, we acquired relative detection efficiencies and suggested a…

Instrumentation and Detectors · Physics 2015-03-13 Sukyoung Shin , Jaehoon Jung , Soonhyouk Lee

The TOTEM experiment at LHC has chosen the triple Gas Electron Multiplier (GEM) technology for its T2 telescope which will provide charged track reconstruction in the rapidity range 5.3<|eta|<6.5 and a fully inclusive trigger for…

Instrumentation and Detectors · Physics 2009-09-29 S. Lami , G. Latino , E. Oliveri , L. Ropelewski , N. Turini

We report on the results of an extensive R&D program aimed at the evaluation of Thick-Gas Electron Multipliers (THGEM) as potential active elements for Digital Hadron Calorimetry (DHCAL). Results are presented on efficiency, pad…

A fundamental limit to the application of Time Projection Chambers (TPCs) in high-rate experiments is the accumulation of slowly drifting ions in the active gas volume, which compromises the homogeneity of the drift field and hence the…

Instrumentation and Detectors · Physics 2012-09-05 F. V. Böhmer , M. Ball , S. Dørheim , C. Höppner , B. Ketzer , I. Konorov , S. Neubert , S. Paul , J. Rauch , M. Vandenbroucke

In the realm of battery charging, several complex aspects demand meticulous attention, including thermal management, capacity degradation, and the need for rapid charging while maintaining safety and battery lifespan. By employing the…

Systems and Control · Electrical Eng. & Systems 2024-09-19 Jorge Espin , Dong Zhang , Daniele Toti , Andrea Pozzi

The physical processes of charge collection and gas multiplication of a Micro Pixel Chamber (mu-PIC) were studied in detail using a three-dimensional simulation. The collection efficiencies of primary electrons and gas multiplication…

The requirement of a large number of electronic channels poses a big challenge for Micro-pattern Gas Detector (MPGD) to achieve good spatial resolution. By using the redundancy that at least two neighboring strips record the signal of a…

Instrumentation and Detectors · Physics 2016-08-03 Bin-Xiang Qi , Shu-Bin Liu , Heng Ji , Zhong-Tao Shen , Si-Yuan Ma , Hong-Bang Liu , Wen-Qian Huang , Qi An

In this paper, measurement results and experimental methodology are presented on the determination of multiplication distributions of avalanches initiated by single electron in GEM foils. The measurement relies on the amplification of…

Instrumentation and Detectors · Physics 2016-10-26 Andras Laszlo , Gergo Hamar , Gabor Kiss , Dezso Varga

The Gas Gain Monitoring (GGM) system of the Resistive Plate Chamber (RPC) muon detector in the Compact Muon Solenoid (CMS) experiment provides fast and accurate determination of the stability in the working point conditions due to gas…

Thick GEM-like (THGEM) electrodes are robust, high gain gaseous electron multipliers, economically-manufactured by standard drilling and etching of thin printed circuit board or other materials. Their operation and structure are similar to…

Instrumentation and Detectors · Physics 2008-11-26 R. Chechik , M. Cortesi , A. Breskin , D. Vartsky , D. Bar , V. Dangendorf

Simulation of new generation gas detectors is rendered complicated due to the non-trivial nature of the electric field and simultaneous presence of several length-scales. Computation of the electrostatic field, however, is extremely…

Instrumentation and Detectors · Physics 2007-05-23 S. Mukhopadhyay , N. Majumdar

To enhance the spatial resolution of the M\"ONCH 25 \textmu m pitch hybrid pixel detector, deep learning models have been trained using both simulation and measurement data. Challenges arise when comparing simulation-based deep learning…

For the International Large Detector (ILD), foreseen to be built at the International Linear Collider (ILC), a Time Projection Chamber (TPC) is intended to be used as the main tracking detector. The amplification will be provided by Micro…

Instrumentation and Detectors · Physics 2017-03-17 Paul Malek

The long-term stability in terms of gain and energy resolution of a prototype triple Gas Electron Multiplier (GEM) detector has been investigated with high rate X-ray irradiation. Premixed Ar/CO2 (80:20) and (90:10) gases have been used for…

Instrumentation and Detectors · Physics 2021-07-05 S Chatterjee , S Roy , A Sen , S Chakraborty , S Das , S K Ghosh , S K Prasad , S Raha , S Biswas

Numerical simulation of avalanches, saturated avalanches, and streamers can help us understand the detector physics of Resistive Plate Chambers (RPC). 3D Monte Carlo simulation of an avalanche inside an RPC, the transition from avalanche to…

Instrumentation and Detectors · Physics 2023-10-06 Tanay Dey , Purba Bhattacharya , Supratik Mukhopadhyay , Nayana Majumdar , Abhishek Seal , Subhasis Chattopadhyay

The triple GEM detector is a micropattern gas detector which consists of a primary ionisation gap and three consecutive gas electron multiplier (GEM) foils. A printed circuit board with readout strips detects the current induced by the…

High Energy Physics - Experiment · Physics 2009-10-31 M. Ziegler , P. Sievers , U. Straumann