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  • Spatial resolution of a GEM readout TPC using the

    2007-4-21 · The resolution for the conventional GEM readout improves with increasing transverse diffusion for larger drift distances. Nevertheless, the TPC resolution obtained with the charge dispersion readout remains better than with the conventional GEM readout even for larger drift distances. This is due to the fact that the charge dispersion phenomena can be completely described by material properties and geometry and the centroid of the dispersed charge signals on the resistive …

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  • Two-dimensional imaging triple-GEM detector with

    2017-10-1 · Abstract. The resistive anode readout facilitates a good spatial resolution with a large reduction of the electronics channels. The application of such readout method on a 100×100 mm 2 triple-GEM detector is presented. The detector anode covers 88×88 mm 2 sensitive area and consists of 11×11 resistive cells with the cell dimension of 8×8 mm 2.The detector has been tested by using a 55 Fe ...

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  • Two-dimensional imaging triple-GEM detector with

    2017-10-18 · The resistive anode readout facilitates a good spatial resolution with a large reduction of the electronics channels. The application of such readout method on a 100×100 mm 2 triple-GEM detector is presented. The detector anode covers 88×88 mm 2 sensitive area and consists of 11×11 resistive cells with the cell dimension of 8×8 mm 2.The detector has been tested by using a 55 Fe source (5.9 ...

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  • CiteSeerX — Spatial resolution of a GEM readout TPC

    We have built a prototype GEM readout TPC with 2 mm x 6 mm pads using the new concept of charge dispersion in MPGDs with a resistive anode. The dependence of transverse resolution on the drift distance has been measured for small angle tracks in cosmic ray tests without a …

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  • Two-dimensional GEM imaging detector with delay

    2003-11-11 · A 100×100 mm 2 2D imaging detector, based on a triple-GEM gaseous multiplier, striped x−y readout anode and discrete delay-line readout, is presented. The fast (2.1 ns tap −1) delay-line circuit was designed to match the anode-charge signal profile, namely its rise-time and length.The detector's imaging capability was systematically studied in Ar/CO 2 (70/30) with 5.9 keV X-rays; x−y ...

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  • Ion feedback suppression in time projection chambers ...

    2006-5-10 · Use of a Gas Electron Multiplier (GEM) end-cap detectors for the readout of Time Projection Chambers (TPC) offers numerous advantages, as compared to a conventional Multi-Wire Proportional Chamber (MWPC) readout: very good single-point accuracy and multi-track resolution in projection, due to the narrower pad response function; excellent resolution in the drift direction, resulting from the …

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  • CCD readout of GEM based neutron detectors

    2020-6-4 · calculate the GEM gains. A Quantix 1400 camera, manufactured by Photometrics Ltd, was used to readout the light emitted from the GEM. It uses a Peltier cooled, low noise CCD, KAF 1400 from Kodak, with 1317 × 1035 pixels of 6.8 × 6.8 µm 2 and the spectral response goes from 400 to …

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  • GEM-based thermal neutron beam monitors for

    2013-12-21 · These detectors employ several (> 3) 10 B-coated GEM foils and have a limited rate capability due to the signal read-out based on strips. The approach described in this paper is to equip a triple GEM detector with a converter cathode containing 10 B (bGEM) and with a padded readout structure. This solution gives the possibility to reach thermal neutron detection rates higher than those …

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  • Highly efficient GEM-based neutron detector for

    2020-2-11 · The GEM(Gas Electron Multiplier)-based neutron detector is one of few detectors that can operate under direct irradiation from a neutron beam. A prototype detector was constructed using 10 GEM foils of 200 mm × 200 mm. To improve the detection efficiency, eight of the GEM foils and two cathodes were coated with enriched boron (96% 10 3 He tube. The results show that the GEM-based …

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  • Dissertations Theses: 'Readout circuits for large

    A 384x288 resistive microbolometer FPA readout with 35 & #956 m pixel pitch is designed and fabricated in a standard 0.6 & #956 m CMOS process. The fabricated chip occupies an area of 17.84 mm x 16.23 mm, and needs 32 pads for normal operation. The readout employs the low power output buffering architecture and the new bias correction DAC structure

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  • Tracking system based on GEM chambers

    2020-5-15 · A typical GEM chamber generally consists of 3 cascaded GEM foils sandwiched be-tween the cathode foil (drift) and the anode plane (readout) as schematically shown in fig. 1. The GEM foil is made of a 50μm KaptonR substrate with few μmcopperlayerson both sides and periodic holes of 70μm diameter and 140μm pitch between their centers.

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  • Status of TPC-electronics with Time-to-Digit Converters

    2018-9-13 · An alternative for a GEM module is a readout system based on Micromegas. Existing Micromegas modules, can reach gas gains of the order of 20000. If used with a resistive layer on the pads, a Micromegas readout system broadens signals, both in space and time. First tests with a Micromegas module (with resistive ink) demonstrated, that

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  • eRD6 Progress Report - Brookhaven National Laboratory

    2020-1-30 · TPC hit map of fired pads on the GEM readout plane for successive time slices, weighted by charge Cosmics:Landau Laser: Poisson Individual clusters ~Uniform dE/dx 12.5usec drift time Time profile of preamp/shaper • Used in conjunction with cosmic ray tel. to pulse from bottom GEM electrode characterize TPC

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  • 28.Particledetectors 1

    2012-2-16 · price are to be considered on a “per readout-channel” basis. The QE is a strong function of the photon wavelength (λ), and is usually quoted at maximum, together with a range of λ where the QE is comparable to its maximum. Spatial uniformity and linearity with respect to the number of photons are highly desirable in a photodetector’s ...

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  • Working Group 1 Summary - indico.cern.ch

    2018-11-16 · Practical limits (raw material roll width : 600 mm => GEM and mM need seams) -Bulk Micromegas: oven size : 1000 x 2000. Laminator: 1200 x …-GEM: 450mmx100m. No firm limitation provided seems are accepted-THGEM: Time (10-20h for 1000x600 even with 4 drills x 2 PCBs

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  • Streaming Readout, the JLab perspective

    2018-9-1 · Streaming Readout, the JLab perspective Graham Heyes Data Acquisition Support Group ... Having the possibility to choose the ADC and the 'size' of the FPGA on the control module the price can be reduced to the minimum for a given application. ... resistive partition. The timing signal is fed directly to the FPGA and can be either a slow

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  • FRONTIER DETECTORS FOR FRONTIER PHYSICS 13th

    2015-5-24 · Optical readout of a Triple-GEM detector with a CMOS sensor ... Tripple-stack Resistive Plate Chamber with Strip Readout for Particles Identification in the [email protected] and MPD Experiments. ... Dr Tony Price (University of Birmingham) () ...

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  • Genie® II | OptiGene

    2021-5-17 · 25th International Conference on Computing in High-Energy and Nuclear Physics vCHEP2021 Welcome! The CHEP conference series addresses the computing, networking and software issues for the world’s leading data‐intensive science experiments that currently analyse hundreds of petabytes of data using worldwide computing resources. vCHEP 2021 was held as a virtual event …

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  • Developing high resolution Time Projection Chambers a

    2013-10-17 · 3-GEM setup resistive voltage devider: same potential difference (ΔV GEM) per GEM GEM + TimePix •Triple-GEM-Setup: Gas gain up to 105 in ArCO 2 •Necessary as charge is spread over several pixels •few e-per channel (strong diffusion effects within the GEM-stack) Consequences high gas gain necessary for detection of minimal ionizing particles

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  • Spatial resolution of a GEM readout TPC using the

    We have built a prototype GEM readout TPC with 2 mm×6 mm pads using the new concept of charge dispersion in MPGDs with a resistive anode. The dependence of transverse resolution on the drift distance has been measured for small angle tracks in cosmic ray tests without a magnetic field for Ar:CO 2 (90:10).

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  • 7KHPLFUR 5HVLVWLYH:(//GHWHFWRU DFRPSDFW

    The -RWELL prototype, as sketched in figure1, is realized by merging a suitable etched GEM foil with the readout PCB plane coated with a resistive deposition. The copper on the bottom side of the foil has been patterned in order to create small copper dots in correspondence of each WELL structure.

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  • First Tests of MICROMEGAS and GEM-Like Detectors

    2010-12-13 · Abstract: We describe here various detector designs: GEM-type, MICROMEGAS-type, as well as cascaded detectors made of a resistive mesh manufactured from a resistive Kapton foil, (20 μm thick, surface resistivity a few MΩ/cm 2) by a laser drilling technique.As in any other micro-pattern detector, the maximum achievable gas gain of these detectors is restricted by the Raether limit; …

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  • Design and optimization of resistive anode for a two ...

    2016-7-29 · This readout structure can provide good spatial resolution with an enormous reduction of electronics channels, especially compared to pixel readout. Based on this concept, we developed a triple-GEM detector with 2-D resistive anode . It has been found that the resistive anode has a strong effect on the detector performance.

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  • 28.Particledetectors 1

    2012-2-16 · price are to be considered on a “per readout-channel” basis. The QE is a strong function of the photon wavelength (λ), and is usually quoted at maximum, together with a range of λ where the QE is comparable to its maximum. Spatial uniformity and linearity with respect to the number of photons are highly desirable in a photodetector’s ...

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  • Test beam studies for a highly granular GRPC

    2019-12-30 · • the ease to adjust the readout pad size to very small value if desired; • more specifically for single Resistive Plate Chambers (RPC), the proven possibility to make large surface, robust and reliable sensors at very low cost. Among the many available techniques usable for large surface gaseous sensors, 3 are now

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  • Journal of Instrumentation, Volume 14, May 2019 -

    The μ-RWELL is a single-amplification stage resistive Micro-Pattern Gaseous Detector (MPGD) . The detector amplification element is realized with a single copper-clad polyimide foil micro-patterned with a blind hole (well) matrix and embedded in the readout PCB through a thin Diamond-Like-Carbon (DLC) sputtered resistive film.

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  • Working Group 1 Summary - indico.cern.ch

    2018-11-16 · Practical limits (raw material roll width : 600 mm => GEM and mM need seams) -Bulk Micromegas: oven size : 1000 x 2000. Laminator: 1200 x …-GEM: 450mmx100m. No firm limitation provided seems are accepted-THGEM: Time (10-20h for 1000x600 even with 4 drills x 2 PCBs

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  • FRONTIER DETECTORS FOR FRONTIER PHYSICS 13th

    2015-5-24 · Optical readout of a Triple-GEM detector with a CMOS sensor ... Tripple-stack Resistive Plate Chamber with Strip Readout for Particles Identification in the [email protected] and MPD Experiments. ... Dr Tony Price (University of Birmingham) () ...

    Get Price
  • Genie® II | OptiGene

    2021-5-17 · 25th International Conference on Computing in High-Energy and Nuclear Physics vCHEP2021 Welcome! The CHEP conference series addresses the computing, networking and software issues for the world’s leading data‐intensive science experiments that currently analyse hundreds of petabytes of data using worldwide computing resources. vCHEP 2021 was held as a virtual event …

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  • 25th International Conference on Computing in High

    2009-10-27 · fast readout (for TESLA beam structure) 7 March 2003 Dean Karlen Review of Detector Concepts 7 ... Blank wafer price 6'' 2 /cm² 50 cost/area (/cm²) 1 2 10 Si/W ECAL costs dominated by Si cost: will it become ... resistive plate chambers gas electron multipliers scintillator.

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  • Review of Detector Concepts - University of Victoria

    2018-11-16 · Practical limits (raw material roll width : 600 mm => GEM and mM need seams) -Bulk Micromegas: oven size : 1000 x 2000. Laminator: 1200 x …-GEM: 450mmx100m. No firm limitation provided seems are accepted-THGEM: Time (10-20h for 1000x600 even with 4 drills x 2 PCBs

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  • Working Group 1 Summary - indico.cern.ch

    between a thin metal grid, the micromesh, and the readout plane formed by pads or strip on a stan-dard PCB frame. In the present state-of-the-art, regularlyspaced ( 2 mm pitch) insulating pillars ( 200 µm diameter) act as support keeping the gap between the anode and the mesh uniform at the price of limited localized efficiency loss.

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  • MPGD-based counters of single photons for

    2003-1-15 · concise description of the modifications required in the Muon System of LHCb to replace the Resistive Plate Chamber (RPC) detectors. Fig. 1 shows schematically the LHCbexperiment, with the five stations (M1–M5) constituting the Muon System. The reason for this change is basically an aging effect of the RPC, which rapidly reduces its capa-

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  • LHCb

    is the GEM (Gaseous Electron Multiplier) foil first developed in 1996 by Fabio Sauli [4]. Fig. 1 illustrates the concept of GEM. The foil of 50 m thicnkness has millions of tiny holes (typically 70 m diameter each) with a pitch of 140 m. By applying several hundred volt between two

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  • Recent activities in HEP detector R&D

    2020-2-10 · XV Workshop on Resistive Plate Chambers and Related Detectors RPC2020 The proceedings for “XV Workshop on Resistive Plate Chambers and Related Detectors - RPC2020” held on 10-14 February, 2020 in Rome, Italy, will be published in the Proceedings Section of JINST, Journal of Instrumentation. Dear All, we have decided to extend the deadline for submitting contributions, but …

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  • RPC2020 (10-14 February 2020) · Agenda (Indico)

    2021-3-15 · The 2021 International Workshop on Future Linear Colliders (LCWS2021), arranged by Europe, was the latest in the series devoted to the study of the physics, detectors, and accelerator issues relating to the high-energy linear electron-positron colliders CLIC and ILC. It took place in an online format. Since the last workshop (LCWS2019), many significant steps had been made. The European ...

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  • Characterization of a triple-GEM position sensitive ...

    In this work we characterized a X-ray position sensitive gaseous detector based in a triple stack of gas electron multipliers (GEM). The readout circuit is divided in 256 strips for each dimension and using a resistive chain interconnecting the strips, we are able to reconstruct the radiation interaction points by resistive charge division. The detector achieved gains above 10^4, energy ...

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  • Spatial resolution of a GEM readout TPC using the charge ...

    2017-11-7 · We have built a prototype GEM readout TPC with 2 mm x 6 mm pads using the new concept of charge dispersion in MPGDs with a resistive anode. The dependence of transverse resolution on the drift distance has been measured for small angle tracks in cosmic ray tests without a magnetic field for Ar:CO2(90:10). The GEM-TPC resolution with charge disper-

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  • MPGD-TPC resolution from charge dispersion on a

    2004-11-12 · GEM-TPC transverse spatial resolution for Ar:CO2 (90:10) TPC resolution with conventional GEM readout Resolution with a resistive anode readout Compared to a conventional GEM readout, the resistive anode resolution is better with Z dependence consistent with diffusion & electron statistics. R.K.Carnegie et.al., physics/0402054

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  • GEM based TRD - Brookhaven National Laboratory

    2012-5-17 · We propose an R&D project to use GEM detector with Xe+CO 2 for detection of transition radiation. The goals are: a) study the GEM readout performance for dE/dx (TR) signals and its position resolution in the TPC-style readout with 3-4cm ionization chamber; b) investigate different GEM configuration (regular GEM vs Thick GEM, Ar+CO 2 vs Xe+CO 2

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  • GEM voltage supply and real-time monitoring

    2015-8-26 · triple GEM. On the left, the high voltage side is depicted, where the outputs on the left are the inputs to the GEM. Underneath it, the arduino carrier board can be seen. This board is pictured in greater detail inFigure 1.8. Here, the low voltage part of the circuit is observed and the resistive dividers alongside to the DC/DC converter can be ...

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  • TIGER: a custom readout electronics for the BESIII CGEM ...

    2020-8-8 · A custom readout electronics for the BESIII CGEM detector M. Greco at al. In detail, GEM Read-Out Cards (GEMROC) transfer over optical fibers at 2 Gbit/s data towards VME based GEM Data Collectors. Data are gathered in 16 kB Link FIFOs and an event builder module is used to sort, frame and send over the Local Bus to the Data FIFO. The chain

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  • GEM-TPC Trackers for the Super-FRS at FAIR

    2010-6-17 · capacitances of readout-boards and the measured average values of the capacitances of the prototype readout. The connectors are positioned in two rows giving different capacitances to different sides. The GEM-stack was powered by resistive voltage …

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  • FRONTIER DETECTORS FOR FRONTIER PHYSICS 13th

    2015-5-24 · Optical readout of a Triple-GEM detector with a CMOS sensor ... Tripple-stack Resistive Plate Chamber with Strip Readout for Particles Identification in the [email protected] and MPD Experiments. ... Dr Tony Price (University of Birmingham) () ...

    Get Price
  • LHCb

    2003-1-15 · concise description of the modifications required in the Muon System of LHCb to replace the Resistive Plate Chamber (RPC) detectors. Fig. 1 shows schematically the LHCbexperiment, with the five stations (M1–M5) constituting the Muon System. The reason for this change is basically an aging effect of the RPC, which rapidly reduces its capa-

    Get Price