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A GEM tracking detector with an extended drift region has been studied as part of an effort to develop new tracking detectors for future experiments at RHIC and for the Electron Ion Collider that is being planned for BNL or JLAB. The…

Instrumentation and Detectors · Physics 2016-08-24 B. Azmoun , B. DiRuzza , A. Franz , A. Kiselev , R. Pak , M. Phipps , M. L. Purschke , C. Woody

Optical readout of GEM based devices by means of high granularity and low noise CMOS sensors allows to obtain very interesting tracking performance. Space resolution of the order of tens of $\mu$m were measured on the GEM plane along with…

The characteristics of triple GEM detectors have been studied systematically by using cosmic ray muons. The minimum ionizing particle (MIP) spectra has been taken for different GEM voltage setting. Efficiency of GEM detector has been…

Instrumentation and Detectors · Physics 2015-06-17 S. Biswas , D. J. Schmidt , A. Abuhoza , U. Frankenfeld , C. Garabatos , J. Hehner , V. Kleipa , T. Morhardt , C. J. Schmidt , H. R. Schmidt , J. Wiechula

In this paper, we consider the problem of automatic modulation classification with multiple sensors in the presence of unknown time offset, phase offset and received signal amplitude. We develop a novel hybrid maximum likelihood (HML)…

Other Computer Science · Computer Science 2015-02-05 O. Ozdemir , T. Wimalajeewa , B. Dulek , P. K. Varshney , W. Su

A quadruple GEM detector has been assembled in a standalone configuration and operated using Ar and CO$_2$ gas mixtures in proportions of 70:30 and 90:10. Detailed performance study of the detector has been made by using $^{106}$Ru-Rh…

Instrumentation and Detectors · Physics 2018-10-09 Rajendra Nath Patra , Rama Narayan Singaraju , Saikat Biswas , Yogendra P. Viyogi , Tapan K. Nayak

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

We report promising initial results obtained with new resistive-electrode GEM (RETGEM) detectors manufactured, for the first time, using screen printing technology. These new detectors allow one to reach gas gains nearly as high as with…

Instrumentation and Detectors · Physics 2009-12-10 B. Clark , A. G. Agocs , R. Oliveira , V. Peskov , Pietropaolo , Picchi

Radiation detectors constructed from large volume high purity Ge (HPGe) single crystals are widely used for gamma-ray spectroscopy. The detectors for this application can be simple in that they need only have two electrical contacts for…

Instrumentation and Detectors · Physics 2020-06-11 Mark Amman

A p-type HPGe detector has been segmented by cutting, with a diamond saw, and etching six circumferential grooves through the Li-diffused dead layer. The degree of segmentation was tested with the 88 keV gamma rays from a well-collimated…

A GEM detector with an effective area of 30*30 cm2 has been constructed using an improved self-stretch technique, which enables an easy and fast GEM assembling. The design and assembling of the detector is described. Results from tests of…

Instrumentation and Detectors · Physics 2015-06-19 Wenhao You , Yi Zhou , Cheng Li , Hongfang Chen , Ming Shao , Yongjie Sun , Zebo Tang , Jianbei Liu

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

Micro-Pattern Gas Detectors (MPGDs) are extensively employed in modern high-energy and nuclear Physics experiments because of their excellent spatial resolution, high rate capability, and operational stability. Among these, the Gas Electron…

Instrumentation and Detectors · Physics 2026-05-29 Sachin Rana , Md. Kaosor Ali Mondal , Poojan Angiras , Amal Sarkar

The topic of the paper is the position reconstruction from signals of segmented detectors. With the help of a simple simulation, it is shown that the position reconstruction using the centre-of-gravity method is strongly biased, if the…

Instrumentation and Detectors · Physics 2021-09-15 A. Ebrahimi , F. Feind , E. Fretwurst , E. Garutti , M. Hajheidari , R. Klanner , D. Pitzl , J. Schwandt , G. Steinbrueck , I. Zoi

In this work we show the operation and results of an X-ray fluorescence imaging system using a cascade of three gas electron multipliers (GEM) and a pinhole assembly. The detector operates in Ar/CO$_2$ (90/10) at atmospheric pressure, with…

Instrumentation and Detectors · Physics 2019-06-26 Geovane G. A. de Souza , Hugo Natal da Luz

In this work, a serial on-line cluster reconstruction technique based on FPGA technology was developed to compress experiment data and reduce the dead time of data transmission and storage. At the same time, X-ray imaging experiment based…

Instrumentation and Detectors · Physics 2017-03-28 Hui-Yin Wu , He-Run Yang , Wei Zhang , Jian-Jin Zhou , Sheng-Ying Zhao , Chen-Gui Lu , Jun-Wei Zhang , Bi-Tao Hu , Yi Zhang , Wen-Quan Cao

We have developed a new design of a GEM-like detector with single-layer electrodes made of a resistive kapton. This detector can operate at gains close to 10E5 even in pure Ar and Ne and if transited to discharges at higher gains they, due…

Plasma Physics · Physics 2008-11-26 R. Oliveira , V. Peskov , F. Pietropaolo , P. Picchi

We study the position sensitivity of radial zigzag strips intended to read out large GEM detectors for tracking at future experiments. Zigzag strips can cover a readout area with fewer strips than regular straight strips while maintaining…

Instrumentation and Detectors · Physics 2018-03-14 Aiwu Zhang , Marcus Hohlmann , Babak Azmoun , Martin L. Purschke , Craig Woody

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