In a CSC layer, the anode wires are in the azimuthal direction and the cathode strips are in the radial direction. Measured noise levels are low, with the number of noisy channels well below 1%. They were designed and produced in Dubna. The chambers were irradiated over a large area: in total, about 2.1 m{sup 2} or 700 m of wire in each chamber. Microstrip gas chambers achieve high precision and high rate by emulating the field structure of multiwire chambers using a sequence of alternating anode and cathode strips on an insulating support. The Cathode Strip Chambers (CSCs) constitute the primary muon tracking device in the CMS endcaps. During the 2017/2018 YETS, two Cathode Strip Chambers (CSC) were removed from the cavern for repairs and cleaning. The chambers have been installed in the detector and commissioning has been completed. The Muon Spectrometer of the ATLAS detector at the LHC is designed to provide high quality stand-alone muon identification, momentum measurement and trigger capabilities with high pseudorapidity coverage. Go here. The Muon Spectrometer of the ATLAS detector at the LHC is designed to provide high quality stand-alone muon identification, momentum measurement and trigger capabilities with high pseudorapidity coverage. The chambers were then thoroughly retested after shipment to CERN. Coordinate resolution was measured for all types of chambers, and fall in the range 47μm to 243μm. The Cathode Strip Chambers (CSCs) are special multiwire proportional chambers placed in the high region of the Muon Spectrometer, where flux of background particles is highest. This paper describes chamber readout electronics and presents the results of the tests with cosmicray muons. Results: cathode side readout (o4-line) To estimate the overall chamber resolution, one needs to recall that strips in odd/even planes are Muon hit appears as a charge cluster spread over staggered by a half strip width. The chambers were irradiated over a large area: in total, about 2.1m**2 or 700m of wire in each chamber. Their performance has been evaluated using data taken during a cosmic ray run in fall 2008. The ME1/1 cathode strip chambers are the part of the CMS endcap muon system. Close. In total, there are about 2.5 million wires, and the overall area covered by the planes is around 6000 m2. To reproduce the experimental conditions, the intensity of the muon stream in our model had the impulse structure of 40MHz rate. Close Tracking. Two CMS production Cathode Strip Chambers were tested for aging effects in a high-radiation environment at the Gamma Irradiation Facility at CERN. Close. Figure 1. The chambers have been installed in the detector and commissioning has been completed. The ME1/1 cathode strip chambers are the part of the CMS endcap muon system. Coordinate resolution was measured for all types of chambers, and fall in the range 47μm to 243μm. Strips, milled on the cathode panels, run radially in the endcap geometry and thus provide a precise measurement of the ϕ-coordinate. proportional cathode-strip chambers separated by theiron disks of the flux return yoke of the CMS magnet. Data from CSCs are used to provide online trigger primitives for the CMS Muon trigger, as well as hits and track segments used for CMS High Level Trigger (HLT) and for offline reconstruction of muon segments. Therefore, out of six 3}4 strips and stretched in time over a few time measurements along a muon track in a chamber, samples. Want to know more? Their purpose is to efficiently filter out the background particle, tracking only the muons traversing it with high degree of accuracy. Precision tracking at the inner-most station in the high pseudorapidity regions, 2.0 ≪ |η| ≪ 2:7, is performed by 16 four-layered Cathode Strip Chambers … Performance of the CMS cathode strip chambers with cosmic rays A. Muñoz Department of Physics, Princeton University, Princeton, NJ 08544 An external trigger was set up to test cathode strip chambers (CSCs) in conjunction with prototype electronics by detecting cosmic-ray muons. … ME1/1 Cathode Strip Chambers for CMS Experiment 569 are shown. Measured noise levels are low, with the number of noisy channels well below 1%. Channel-Link LVDS transmitters from National Semiconductor drive the data onto the custom backplane. When a charged particle passes through a layer of CSC (fig. Close Provenance. cathode-strip chambers (CSCs) of the CMS End-cap Muon system [2] provide the high coordinate precision and fast response time needed for effective bunch crossing number identification. Close. CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): The ME1/1 cathode strip chambers are the part of the CMS endcap muon system. 540 six-plane cathode strip chambers of trapezoidal shape, the largest being about 3.4 m × 1.5 m in size. The chambers have been installed in the detector and commissioning has been completed. The design principle for a multi-wire proportional chamber with a cathode strip and delay-line readout is described. This paper describes chamber readout electronics and presents the results of the tests with cosmic-ray muons. Each CSC consists of six layers. When a charged particle passes through the active gas volume of the detector, it produces ionization 5. The CSCs [3] are six-layer, two-coordinate-mea-suring, multiwire-proportional, cathode-strip chambers separated by the iron disks of the flux The layout of one sector of one crate is shown in Fig. Measured noise levels are low, with the number of noisy channels well below 1%. Coordinate resolution was measured for all types of chambers, and fall in the range 47 microns to 243 microns. The production, installation, and testing of 468 cathode strip chambers for the endcap muon system of the CMS experiment played a critical role in the preparation of the endcap muon system for the final commissioning. This paper describes chamber readout electronics and presents the results of the tests with cosmicray muons. 12.4. Their performance has been evaluated using data taken during a cosmic ray run in fall 2008. They were designed and produced in Dubna. Imported geometry models such the beam pipe. 1), it knocks electrons out of the gas molecules and they flock to anode wires, meanwhile positively charged ions move towards cathode strips inducing a charge on them. Close Imported. Their performance has been evaluated using data taken during a cosmic ray run in fall 2008. Event: Each event is distinguished by a run number, event number, luminosity section, and time stamp . The Cathode Strip Chambers (CSCs) constitute the primary muon tracking device in the CMS endcaps. The three detector stations reside in a radial field magnet and must provide 100μm resolution per CSC detector plane to give satisfactory mass resolution for the vector mesons. The Cathode Strip Chambers (CSCs) are the main detectors of the endcap muon system of the CMS experiment [1]. Cathode strip/pad chambers are basically multiwire gas chambers with segmented cathodes. They were designed and produced in Dubna. The Cathode Strip Chambers (CSCs) constitute the primary muon tracking device in the CMS endcaps. Two CMS production Cathode Strip Chambers were tested for aging effects in the high radiation environment at the Gamma Irradiation Facility at CERN. Request PDF | Cathode strip chamber for CMS ME1/1 endcap muon station | Seventy-six serial ME1/1 cathode strip chambers have been produced in Dubna. Precision tracking at the inner-most station in the high pseudorapidity regions, 2.0 ≪ |η| ≪ 2:7, is performed by 16 four-layered Cathode Strip Chambers on each end-cap. The anode group numbers increase with increasing radius R.The strip numbers in the wide part (1Ä64) increase with increasing φ, while in the narrow part the readout direction is opposite (1Ä16). Presented are the main design features of the large cathode strip chambers (CSCs) for the CMS endcap muon system as well as the performance results obtained with the first large-scale prototype. The Cathode Strip Chambers (CSCs) constitute the primary muon tracking device in the CMS endcaps. 12 Cathode Strip Chamber Track-Finder DRAFT CMS Trigger TDR 8/11/00 186 12.3 Receivers and DT Track-Finder to the Sector Processor. After testing they were reinstalled back into the ATLAS detector. Measured noise levels are low, with the number of noisy channels well below 1%. The 3.4×1.2 m 2 six-plane prototype has been reliably operated over one year and the cosmic-ray tests showed that it was capable of detecting muons with ∼80 μm spatial and ∼5 ns time … Their performance has been evaluated using data taken during a cosmic ray run in fall 2008. The 3.4×1.2 m 2 six-plane prototype has been reliably operated over one year and the cosmic-ray tests showed that it was capable of detecting muons with ∼80 μm spatial and ∼5 ns time resolutions. The multi-wire chamber uses an array of wires at high voltage (), which run through a chamber with conductive walls held at ground potential ().Alternatively, the wires may be at ground potential and the cathode held at a high negative voltage; the important thing is that a uniform electric field draws extra electrons or negative ions to the anode wires with little lateral motion. Common testing procedures and sets of standard equipment were used at 5 international assembly centers. PoS(Baldin ISHEPP XXI)004 Cathode Pad Chambers at NICA/MPD J. Fedorišin (electron-ion pairs) along its trajectory. The Cathode Strip Chambers (CSCs) constitute the primary muon tracking device in the CMS endcaps. Scintillators as an external trigger for cathode strip chambers J. For all the ME1/1 CSCs the layer numbers increase from 1 to 6 going away from the interaction point (IP). Using photolithography instead of physical wires, the distance between sensitive elements can be reduced to a fraction of a millimetre. Compact Muon Solenoid at LHC; The Cathode Strip Chambers (CSCs) constitute the primary muon tracking device in the CMS endcaps. Tracks (reco. Ward, Emma 1.3 CSC Principle of Operation The basic construction of a CSC is that of a conventional wire chamber. Cathode strip chambers meet these requirements in the endcap and the barrel ICgions through the application of a single rechnology. The PHENIX Muon Tracker Cathode Strip Chambers (CSC) detector system is now beginning final construction for both of the muon spectrometers. The Cathode Strip Chambers (CSCs) are planned to operate throughout the HL-LHC era. Presented are the main design features of the large cathode strip chambers (CSCs) for the CMS endcap muon system as well as the performance results obtained with the first large-scale prototype. A model has been considered of the Cathode Strip Chamber (CSC) exposed to the muon stream of high intensity (70 Hz/cm2) originating in the crossing point of beams of the LHC collider. Coordinate resolution was measured for all types of chambers, and fall in the range 47 mm to 243 mm. Cathode Strip Chambers (CSC): Forward muon detectors Resistive Place Chambers (RPC): Solid state muon detectors.
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