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cf4 detector

2019-8-26Abstract. Partial and arc discharge in gas insulated switchgear (GIS), such as a switching component or circuit breaker, can lead decomposition gas generation of sulphur hexafluoride (sf 6), which is generally used as an electrical insulation medium.The authors had demonstrated that sf6-gas decomposition

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  • The scintillation of CF4 and its relevance to detection

    1995-1-30Integrated CF 4 scintillation yields over the range of 150–220 nm are, on the average, 315±95 to 242±60 photons/MeV, in the respective pressure range of 0.063 to 0.75 atm, compared to CH 4 which emits 0.06±0.01 photons/MeV at 1 atm.Cited by: 106

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  • Gas detectors and respiratory protection equipments CF4

    2019-1-5Portable detector R14 – tetrafluoromethane (CF4) Respiratory protection R14 – tetrafluoromethane (CF4) To learn more. If exposure to dangerous substances affect everyone, the detection and protection solutions against these risks are not the same whether you are a public space, an association, an industry or a community.

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  • High-photon-yield scintillation detector with Ar/CF4 and

    2016-9-7The glass made gas electron multiplier (GEM) and Ar/CF 4-gas-based gaseous detector is developed as a scintillation detector and ultra high photon yield is demonstrated.The light yield of a glass GEM (G-GEM)-based gaseous detector is estimated to be 85,000 photons/keV, which is three orders of magnitude brighterCited by: 11

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  • Transport properties of electrons in CF4

    The Dark Matter Time Projection Chamber (DMTPC) is a low pressure (75 Torr CF4) 10 liter detector capable of measuring the vector direction of nuclear recoils with the goal of directional dark

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  • A low radioactivity acrylic TPC filled with CF4 at high

    1993-8-15The reason for this choice is the following: in ref. [5] I proposed CF4 as detector medium to measure the vee- cross section at low energy. CF4 has a high density of 3.68 gl-t (at 1 bar pressure and 15 temperature), which maximizes the number of target electrons, and it contains low-Z nuclei, which minimizes theCited by: 5

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  • A Measurement of the Scintillation Light Yield in CF4

    It consists of a Cherenkov radiator operated with pure CF4 directly coupled in a windowless configuration to a triple-GEM detector element with a CsI photocathode and pad readout. The HBD operates

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  • GEM photomultiplier operation in CF4 | Request PDF

    The choice that emerges is a windowless Cherenkov detector, operated with a CF4 based gas mixture in a special proximity focus configuration with a CsI cathode evaporated on GEMs.

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  • Characterization of a GEM-based scintillation detector

    2016-3-18Alfonsi M et al 2006 Aging measurements on triple-GEM detectors operated with CF4-based gas mixtures Nucl. Phys. B 150 159–63 Crossref Alfonsi M, Croci G, Duarte Pinto S, Rocco E, Ropelewski L, Sauli F, Veenhof R and Villa M 2012 Simulation of the dielectric charging-up effect in a GEM detector Nucl.Cited by: 7

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  • Gas gain in MSGCs with Ar/CO2/CF4 mixtures -

    1997-6-21Mickiewicza 30, 30-059 Krakow, Poland Abstract The gas gain of MSGCs with Ar/COz/CF4 mixtures as a function of voltage and for various geometries are presented. 1. Introduction 2. MSGC structures Since their introduction by Oed [1], microstrip gas chambers (MSGC) have been one of the main candidates for tracking detectors.Cited by: 3

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  • Performance of a new Micromegas detector, with woven

    2003-3-11Several techniques have been investigated to achieve good amplification in gas Time Projection Chambers. The classical Micromegas detection scheme with nickel grid is compared with a new one, with a stainless steel woven wire mesh, in CF 4 at different operating pressures. The performances and the mechanicalCited by: 19

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  • Evaluation of a capillary plate gas detector filled with

    2007-10-21The gas gain and energy resolution of the CP gas detector filled with a Ne (90 %) + CF 4 (10 %) gas mixture was investigated using the X-ray beams at the BL14A beamline in KEK-PF as shown in Fig. 1.The energies of the incident X-ray beams were fixed at 6 keV by a Si double-crystal monochromator.Incident X-raysCited by: 12

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  • Detection of CF4 Gas Using a Nanomaterial-Based Gas

    2019-8-26Abstract. Partial and arc discharge in gas insulated switchgear (GIS), such as a switching component or circuit breaker, can lead decomposition gas generation of sulphur hexafluoride (SF 6), which is generally used as an electrical insulation medium.The authors had demonstrated that SF 6 decompositionCited by: 1

    Get Price
  • Evaluation of a capillary plate gas detector filled with

    A basic performance test of the Micromegas detector was carried out for a Ne (90%) + CF4 (10%) gas mixture using an X-ray beam. We constructed gaseous PMTs with a bialkali photocathode and

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  • cf4 Service detecting - rvcarcare.nl

    Detection of CF4 Gas Using a Nanomaterial-Based Gas Sensor. Partial and arc discharge in gas insulated switchgear (GIS), such as a switching component or circuit breaker, can lead decomposition gas generation of sulphur hexafluoride (SF 6), which is generally used as an electrical insulation medium.The authors had demonstrated

    Get Price
  • cf4 detector detecting - Wilco Kats

    cf4 detector detecting. Portable Gas Detection Ideal for confined spaces, spot leak testing and mobile use, Honeywell Analytics and BW Technologies portable gas detectors are marked by flexibility and quality. A variety of single or multi-gas detectors are offered in compact, lightweight designs— from simple alarm-only

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  • IEC 60376-2018 标准下载 - antpedia.com

    Translate this pageIEC 60376-2018,This document defines the quality for technical grade sulphur hexafluoride (SF6) and complementary gases such as nitrogen (N2) and carbon tetra-fluoride (CF4), for use in electrical equipment. Detection techniques, covering both laboratory and in

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  • Aging tests of the proportional wire chambers using

    2001-7-1The Muon Detector of the HERA-B experiment at DESY is a gaseous detector that provides muon identification in a high-rate hadronic environment. We present our studies on the properties of several fast gases, Ar/CF4/CH4 (74:20:6), Ar/CF4/CH4 (67:30:3) and Ar/CF4/CO2 (65:30:5), which have been found to fulfill muon detectionCited by: 4

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  • Detection of CF4 Gas Using a Nanomaterial-Based Gas

    Because CF4 is hard to be removed by using a molecular sieve or absorbent, the decomposition product accumulates in a long time and can be used for GIS diagnosis. Three kinds of semiconducting nanomaterial, carbon nanotube, SnO2 nanoparticle, ZnO nanowires, were integrated on a microelectrode by dielectrophoresisCited by: 1

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  • Towards THGEM UV-photon detectors for RICH: on

    2010-8-112010 JINST 5 P01002 PUBLISHED BY IOP PUBLISHING FOR SISSA RECEIVED: September 25, 2009 ACCEPTED: December 4, 2009 PUBLISHED: January 4, 2010 1st INTERNATIONAL CONFERENCE ON MICRO PATTERN GASEOUS DETECTORS, JUNE 12–15, 2009 KOLYMPARI, CRETE, GREECE Towards THGEM UV-photon detectors for RICH: on single-photon detection efficiency in Ne/CH 4 and Ne/CF 4

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  • Development of a Time Projection

    Translate this pagewenku.baidu.com›百度文库›行业资料2011-6-22Detection e?ciency of ≥99.3% was achieved with 3 kinds of gases, Ar(90%)-CH4 (10%), Ar(70%)-C2 H6 (30%) and CF4 . Spatial resolution of 79 ?m in the pad row direction and 313 ?m in the drift direction was achieved with Ar-C2 H6 and rectangular pads for 13-mm drift.Read: 54

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  • RD Progress of Picosec-Micromegas Detectors in

    2017-11-9RD Progress of Picosec-Micromegas Detectors in 2017 Xu Wang on behalf of Picosec Collaboration State Key Laboratory of Particle Detection and Electronics Department of Modern Physics of USTC 2017-11-12

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  • NEO Monitors LaserGas - NEO Monitors Q - CF4 Gas

    NEO Monitors LaserGas - NEO Monitors Q - CF4 Gas Detector Sensor by NEO Monitors AS. NEO Monitors LaserGas Q CF4 is using Tuneable Laser AbsorptionSpectroscopy (TLAS) i.e a non-contact optical

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  • Toward directional detection of Dark

    Translate this pagewenku.baidu.com›百度文库›行业资料2011-8-27The detector consists of a Time Projection Chamber with optical readout ?lled with CF4 gas at low pressure. A collision between a WIMP and a gas molecule results in a nuclear recoil of 1-2 mm. The measurement of the energy loss along the recoil allows us to determine the sense and the direction of the recoil.

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  • NEO Monitors LaserGas - NEO Monitors Q - CF4 Gas

    NEO Monitors LaserGas - Model Q CF4 - Gas Detector Sensor Brochure Related articles. NEO Monitors - Contactless measurements, the future of gas sensing. Oct. 30, 2020. We believe that

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  • Transport properties of electrons in CF4 - NASA/ADS

    2009-5-1Carbon-tetrafluoride (CF4) is used as a counting gas in particle detectors, but some of its properties that are of interest for large time-projection chambers are not well known. We measure the mean energy, which is proportional to the diffusion coefficent, and the attentuation coefficient of electron propagation in CF4 gas using a 10-liter dark matter detectorCited by: 11

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  • Development of a scintillating G-GEM detector for a 6

    2021-3-11A two-dimensional position-sensitive dosimetry system based on a scintillating gas detector is being developed for real-time dose distribution monitoring in X-ray radiation therapy. The dosimetry system consists of a chamber filled with an Ar/CF4 scintillating gas mixture, inside of which G-GEM structures

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  • Micro-Pattern Gas Detector

    2012-12-12Micro-Pattern Gas Detector Technology and Application Development of MPGD New MPGD Read out method New techniques Application and new requirement RD51 collaboration China Third MPGD Symposium 2012.12.13 Tsinghua, Beijing 李金 THU

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