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Related papers: MPGD with a 3D-printed Thick-GEM as sole gain elem…

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In 2008, a triple GEM detector prototype with an area of ~2000 cm2 has been constructed, based on foils of 66*66 cm. GEMs of such dimensions had not been made before, and innovations to the existing technology were introduced to build this…

Background: we develop the concept of a Micromegas (MICRO-MEsh GAseous Structure) readout plane with an additional GEM (Gas Electron Multiplier) preamplification stage placed a few mm above it, to increase the maximum effective gain of the…

A prototype Gas Electron Multiplier (GEM) detector is under construction for medical imaging purposes. A single thick GEM of size 10x10 cm^2 is assembled inside a square shaped air-tight box which is made of Perspex glass. In order to…

Instrumentation and Detectors · Physics 2013-07-05 N. N. Mondal , S. Chattopadhyay , M. R. Dutta Mazumdar , A. K. Dubey , Y. P. Vioygi

The development of gaseous detectors has been exciting again since the appearance of a MicroStrip Gas Chamber(MSGC) in 1988, which is made using a micro-electronics technology. These days lots of variations of the advanced gaseous detectors…

High Energy Physics - Experiment · Physics 2009-10-31 Toru Tanimori , Yuji Nishi , Atsuhiko Ochi , Yasuro Nishi

An innovative photosensitive gaseous detector, consisting of a GEM like amplification structure with double layered electrodes (instead of commonly used metallic ones) coated with a CsI reflective photocathode, is described. In one of our…

Instrumentation and Detectors · Physics 2008-07-18 V. Peskov , P. Martinengo , E. Nappi , R. Oliveira , G. Paic , F. Pietropaolo , P. Picchi

THGEMs (THick Gas Electron Multiplier) of varying thickness, hole diameter and hole pitch have been studied. For a thinner-THGEM of thickness 0.2 mm, with hole diameter 0.2 mm, pitch 0.2 mm and narrow (5-10 {\mu}m) rim, the performance of…

High Energy Physics - Experiment · Physics 2015-06-03 H. B. Liu , Q. Liu , S. Chen , C. Nicholson , Y. G. Xie , Y. H. Zheng , Z. P. Zheng , J. G. Lu , L. Zhou , A. S. Tang , Y. D. Yang , Y. Dong , M. Li

A simple X-ray imaging system using off-the-shelf electronics and simple reconstruction algorithms aiming a spatial resolution of 1.7 mm ($\sim 3\,\%$ of the detector length) is described in this work. For this, two 100 cm$^2$ Gas Electron…

Instrumentation and Detectors · Physics 2015-06-18 H. Natal da Luz , J. A. Mir , X. Carvalho , J. M. F. dos Santos

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

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…

The concept of capacitive-sharing readout, described in detail in a previous study, offers the possibility for the development of high-performance three-coordinates (X-Y-U)-strip readout for Micro Pattern Gaseous Detectors (MPGDs) using…

Instrumentation and Detectors · Physics 2025-06-25 Kondo Gnanvo , Andrew Weisenberger , Seung Joon , Lee , Rui de Oliveira , Bertrand Mehl

Gas Electron Multiplier (GEM) detector, one of the advanced members of the Micro Pattern Gas Detector (MPGD) group, is widely used in High Energy Physics (HEP) experiments. The high rate handling capability and spatial resolution make it a…

Instrumentation and Detectors · Physics 2023-05-17 S. Chatterjee , A. Sen , R. Paul , S. Sahai , S. Das , S. Biswas

Gaseous detectors are used in both low energy and high energy physics experiments. The present day gaseous detectors, i.e., the Micro-Pattern gaseous detectors (MPGD) are more efficient and fast. Gas Electron multiplier (GEM) is quite well…

Instrumentation and Detectors · Physics 2017-08-08 Deb Sankar Bhattacharya , P K Sahu , Sagarika Swain , Sanjib K Sahu

GEM are widely used as amplification stages in gaseous detectors exposed to high rates. The GEM consists of a polyimide foil which is coated by two thin copper layers. Charges collected into the holes or created during the amplification…

Instrumentation and Detectors · Physics 2020-07-15 Philip Hauer , Karl Flöthner , Dimitri Schaab , Jonathan Ottnad , Viktor Ratza , Markus Ball , Bernhard Ketzer

Gas Electron Multiplier (GEM) detectors, typically featuring a standard pitch size of 140 $\mu$m and an inner hole diameter of 50 $\mu$m, are extensively utilized in high-energy physics experiments for tracking, triggering, and timing…

High Energy Physics - Experiment · Physics 2025-05-07 Rajiv Gupta , Gauri Devi , Sunidhi Saxena , Arpit Singh , Ajay Kumar

Gas detector are very light instrument used in high energy physics to measure the particle properties: position and momentum. Through high electric field is possible to use the Gas Electron Multiplier (GEM) technology to detect the…

The use of gaseous Time Projection Chambers enables the detection and the detailed study of rare events due to particles interactions with the atoms of the gas with energy releases as low as a few keV. Due to this capability, these…

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

We have developed and tested several new designs of GEM detectors with micropattern electrodes manufactured by microelectronic technology. In one design, the inner layer of the detector electrode consists of thin metallic strips and the…

Instrumentation and Detectors · Physics 2009-06-25 A. Di Mauro , P. Martinengo , E. Nappi , R. Oliveira , V. Peskov , F. Pietropaolo , P. Picchi

MPGD are the new frontier in gas trackers. Among this kind of devices, theGEM chambers are widely used. The experimental signals acquired with the detector mustobviously be reconstructed and analysed. In this contribution, a new offline…