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Related papers: Thick GEM-like (THGEM) detectors and their possibl…

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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

The Silicon Electron Multiplier (SiEM) sensor is a novel sensor concept that enables charge multiplication by high electric fields generated by embedded metal electrodes within the sensor bulk. Metal assisted chemical etching (MacEtch) in…

Instrumentation and Detectors · Physics 2024-01-25 Marius Mæhlum Halvorsen , Victor Coco , Paula Collins , Heidi Sandaker , Lucia Romano

In the context of the development of novel Thick GEM based detectors of single photons, the high resolution optical system, nicknamed Leopard, providing a detailed surface scanning of the Thick GEM electron multipliers, has been used for a…

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

We report on the systematic study of a single-gas-electron-multiplication (GEM) loaded gaseous detector developed for precision measurements of high-energy particle beams and dose-verification measurements. In the present study, a…

Instrumentation and Detectors · Physics 2014-07-29 Kyong Sei Lee , Byungsik Hong , Sang Yeol Kim , Sung Keun Park

The gas electron multiplier produced with the polyimide film 100 um thick. The maximum gas gain obtained with gas mixture Ar/CH4(91/9) was 5000. No decrease of gas gain with rates up to 2\cdot10^4 1/(mm^2 s) was observed. The possibility of…

High Energy Physics - Experiment · Physics 2007-05-23 M. A. Negodaev , B. N. Lomonosov , S. K. Kotelnikov , A. V. Bagulya , E. M. Negodaeva , A. N. Laritchev , V. Yu. Zhukov , L. N. Smirnova

This works reports on gaseous detectors developments made in the frame of the EXO double-beta decay experiment. LEM (Large Electron Multiplication) are electron amplification grids based on GEM. They were developed in Neuchatel and showed…

Instrumentation and Detectors · Physics 2007-06-12 Patrick Weber

Many experiments are currently using or proposing to use large area GEM foils in their detectors, which is creating a need for commercially available GEM foils. Currently CERN is the only main distributor of large GEM foils, however with…

Instrumentation and Detectors · Physics 2016-12-13 M. Posik , B. Surrow

A Time Projection Chamber (TPC) is an ideal device for the detection of charged particle tracks in a large volume covering a solid angle of almost $4\pi$. The high density of hits on a given particle track facilitates the task of pattern…

We present design and construction of a large low-mass Triple-GEM detector prototype for forward tracking at a future Electron-Ion Collider. In this environment, multiple scattering of forward and backward tracks must be minimized so that…

Instrumentation and Detectors · Physics 2017-11-16 Marcus Hohlmann , Matthew Bomberger , Stefano Colafranceschi , Francisco Jimenez , Mehdi Rahmani , Aiwu Zhang

The simulation of Micro Pattern Gaseous Detectors (MPGDs) signal response is an important and powerful tool for the design and optimization of such detectors. However, several attempts to simulate exactly the effective charge gain have not…

The occurrence of electrical discharges in gas detectors restricts their dynamic range and degrades their performance. Among the different methods developed to mitigate discharge effects, the use of resistive materials in the detector…

Instrumentation and Detectors · Physics 2022-11-16 Abhik Jash , Luca Moleri , Shikma Bressler

A prototype detector is being developed which combines the functions of a Time Projection Chamber for charged particle tracking and a Cherenkov detector for particle identification. The TPC consists of a 10x10x10 cm3 drift volume where the…

Instrumentation and Detectors · Physics 2015-12-18 Craig Woody , Babak Azmoun , Richard Majka , Michael Phipps , Martin Purschke , Nikolai Smirnov

This paper details a novel, patent pending, abrasive machining manufacturing process for the formation of sub-millimetre holes in THGEMs, with the intended application in gaseous and dual-phase TPCs. Abrasive machining favours a non-ductile…

Instrumentation and Detectors · Physics 2021-11-11 Adam Lowe , Krishanu Majumdar , Konstantinos Mavrokoridis , Barney Philippou , Adam Roberts , Christos Touramanis

Dual-phase liquid-xenon time projection chambers (LXe TPCs) deploying a few tonnes of liquid are presently leading the search for WIMP dark matter. Scaling these detectors to 10-fold larger fiducial masses, while improving their sensitivity…

Instrumentation and Detectors · Physics 2024-09-17 G. Martínez-Lema , A. Roy , A. Breskin , L. Arazi

The Large Electron Multipliers (LEMs) are key components of double phase liquid argon TPCs. The drifting charges after being extracted from the liquid are amplified in the LEM positioned half a centimeter above the liquid in pure argon…

Instrumentation and Detectors · Physics 2015-06-23 C. Cantini , L. Epprecht , A. Gendotti , S. Horikawa , L. Periale , S. Murphy , G. Natterer , C. Regenfus , F. Resnati , F. Sergiampietri , A. Rubbia , T. Viant , S. Wu

Transition Radiation Detectors (TRDs) are useful for electron identification and hadron suppression in high energy nuclear and particle physics experiments. Conventional wire-chamber TRDs face operational limitations due to space charge…

An approximate formula has been derived for gain fluctuations in cascaded gaseous detectors such as GEM-s, based on the assumption that the charge collection, avalanche formation and extraction steps are independent cascaded processes. In…

Instrumentation and Detectors · Physics 2016-08-24 Dezső Varga

The Gas Electron Multiplier (GEM) detectors are widely used in high-energy physics (HEP) experiments as tracking devices because of their excellent position resolution and to handle high particle rates capability. Charging-up effect is a…

Instrumentation and Detectors · Physics 2026-05-06 S. Mandal , S. Ghosh , S. Das , S. Biswas

Presented here are first tests of a Gaseous Photomultiplier based on a cascade of Thick GEM structures intended for gamma-ray position reconstruction in liquid Argon. The detector has a MgF$_2$ window, transparent to VUV light, and a CsI…

Instrumentation and Detectors · Physics 2015-09-02 B. Lopez Paredes , C. D. R. Azevedo , S. Paganis , A. L. M. Silva , N. J. C. Spooner , J. F. C. A. Veloso
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