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To extend the acceptance of the CMS muon spectrometer to the region 2.4 $<|\eta|<$ 2.8, stacks of triple-GEM chambers, forming the ME0 station, are planned for the CMS Phase 2 Upgrade. These large-area micro-pattern gaseous detectors must…

Gas electron multipliers (GEMs) with wire (WGEMs) or metal electrodes (MGEMs), which don't use any plastic insulators between the electrodes are created. The absence of plastic insulation between the electrodes of WGEMs excludes unwanted…

Instrumentation and Detectors · Physics 2020-06-12 B. M. Ovchinnikov , V. V. Parusov

The architecture of the novel MPGD-based photon detectors of COMPASS RICH-1 consists in a large-size hybrid MPGD multilayer layout combining two layers of Thick-GEMs and a bulk resistive MICROMEGAS. Concerning biasing voltage, the…

Full size single-sided GaAs microstrip detectors with integrated coupling capacitors and bias resistors have been fabricated on 3'' substrate wafers. PECVD deposited SiO_2 and SiO_2/Si_3N_4 layers were used to provide coupling capacitaces…

Instrumentation and Detectors · Physics 2009-10-30 R. Irsigler , R. Geppert , R. Goeppert , M. Hornung , J. Ludwig , M. Rogalla , K. Runge , Th. Schmid , A. Soldner-Rembold , M. Webel , C. Weber

This submission will focus on advancements and advantages of Micro Pattern Gas Detector (MPGD) technologies and their applications to the construction of a dedicated Time Projection Chamber (TPC) that can serve as an excellent main tracker…

We describe the most recent efforts made by various groups in implementing resistive electrodes in micropattern gaseous detectors with the aim to combine in the same design the best features of RPCs (for the example, their robustness and…

Instrumentation and Detectors · Physics 2015-05-18 P. Fonte , P. Martinengo , E. Nappi , R. Oliveira , V. Peskov , F. Pietropaolo , P. Picchi

Glide symmetry offers new degrees of freedom to engineer the properties of periodic structures, and thus it has been exploited in various electromagnetic structures. However, so far there has been little exploration on the impact that glide…

Applied Physics · Physics 2021-02-10 Nikolina Janković , Andrea Alù

The first successful attempts to optimize the electric field in Resistive Microstrip Gas Chamber and resistive microdot detectors using additional field shaping strips located inside the detector substrate are described

Instrumentation and Detectors · Physics 2015-06-22 V. Cairo , R. De Oliveira , P. Fonte , S. Franchino , V. Peskov , P. Picchi , F. Pietropaolo

A tracking detector system has been constructed with an innovative approach to the classical multi-wire proportional chamber concept, using contemporary technologies. The detectors, covering an area of 0.58 square meters each, are optimized…

Instrumentation and Detectors · Physics 2016-08-30 Dezső Varga , Gábor Nyitrai , Gergő Hamar , László Oláh

Micromegas is one of the detector technologies (along with the small Thin Gap Chambers) that has been chosen for precision tracking and triggering purposes of the ATLAS muon forward detectors in the view of LHC luminosity increase. To…

Instrumentation and Detectors · Physics 2015-06-17 Georgios Iakovidis

A new family of spark-protected micropattern gaseous detectors is introduced: a 2-D sensitive restive microstrip counter and hybrid detectors, which combine in one design a resistive GEM with a microstrip detector. These novel detectors…

Instrumentation and Detectors · Physics 2011-08-31 P. Martinengo , E. Nappi , R. Oliveira , V. Peskov , P. Pietropaolo , P. Picchi

New Micromegas (Micro-mesh gaseous detectors) are being developed in view of the future physics projects planned by the COMPASS collaboration at CERN. Several major upgrades compared to present detectors are being studied: detectors…

We performed a new series of systematic studies of gain and rate characteristics of several micropattern gaseous detectors. Extending earlier studies, these measurements were done at various pressures, gas mixtures, at a wide range of…

Instrumentation and Detectors · Physics 2007-05-23 V. Peskov , P. Fonte , M. Danielsson , C. Iacobaeus , J. Ostling , M. Wallmark

Gas detectors are one of the pillars of the research in fundamental physics. Since many years, a new concept of detectors, the Micro Pattern Gas Detectors, allows to overcome many of the problems of other types of commonly used detectors,…

In the last few years our group have focused on developing various designs of spark-protected micropattern gaseous detectors featuring resistive electrodes instead of the traditional metallic ones: resistive microstrip counters, resistive…

Instrumentation and Detectors · Physics 2015-06-04 P. Fonte , E. Nappi , P. Martinengo , R. Oliveira , V. Peskov F. Pietropaolo , P. Picchi

We propose a multiscale spoof-insulator-spoof (SIS) waveguide by introducing periodic geometry modulation in the wavelength scale to a SIS waveguide made of perfect electric conductor. The MSIS consists of multiple SIS subcells. The…

Optics · Physics 2015-04-23 Qiang Zhang , Jun Jun Xiao , Dezhuan Han , Fei Fei Qin , Xiao Ming Zhang , Yong Yao

We have developed a cost effective technology for manufacturing various layouts of micropattern gaseous detectors for a wide range of applications. Such devices feature resistive electrodes interfaced to a network of thin readout…

Instrumentation and Detectors · Physics 2015-06-15 V. Peskov , A. Di Mauroa , P. Fonte , P. Martinengo , E. Nappi , R. Oliveira , P. Pietropaolo , P. Picchi

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…

The RD51 collaboration was founded in April 2008 to coordinate and facilitate efforts for development of micropattern gaseous detectors (MPGDs). The 75 institutes from 25 countries bundle their effort, experience and resources to develop…

Instrumentation and Detectors · Physics 2019-08-13 Serge Duarte Pinto

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…