Cms rpc. About 500 million events (Fig.
Cms rpc. All these actions pertain only to those contracts the user has access to. RPC receives Category 2 and Approved Category 3 Records via courier. Different approaches have been used to monitor the detector stability during the Run-2 data taking. Professor Nguyen Dong Phong. Overall, CMS OMH will empower CMS leadership with the capability to make effective 3-5-2024 The RPC has updated the CMS Guidelines page to provide easier access to CMS Enrollment and Disenrollment guidance publications. The detector uniformity has been ensured with a dedicated on behalf of the CMS collaboration A : The second LHC long shutdown period (LS2) is an important opportunity for the CMS Resistive Plate Chambers (RPC) to complete their consolidation and upgrade A longevity test has been started at the CERN Gamma Irradiation Facility to estimate the impact of HL-LHC conditions on the RPC detector performance in order to determine whether the RPC system will survive the harsher background conditions expected at HL-LHC. RPCs consist of two parallel plates, a positively The CMS muon detector (Fig. 5%, quite constant every year. Version 3. For your convenience all applicable SOPs are provided in the Retroactive Prepared for submission to JINST 13th Workshop on Resistive Plate Chambers and elated Detectors February 22-26, 2016 Ghent University, Belgium First results of CMS RPC performance at 13 TeV M. To ensure the optimal operation during Run-3, the RPC group used the LS2 period to undergo a 1. However, plans must also follow CMS’ Standard Operating Procedures (SOPs) when submitting retroactive requests to us. - The RPC contribution to the CMS downtime was ~ 0. This revision includes an update to the Requested Documentation Packaging The CMS RPC system performance is constantly monitored and the detector is regularly maintained to ensure stable operation. 20/1-004 (CERN) 20/1-004 CERN. RPC Support Services receives the Category 2 and Approved Category 3 Records from courier. The total readout system of First results of CMS RPC performance at 13 TeV. 1]. 09:30 → 09: The present CMS RPC system has been certified for 10 years of LHC operation at a maximum background rate of 300 Hz/cm 2 and a total integrated charge (IC) of 50 mC/cm 2 [3], [6], [7]. However, using thinner HPL ( 1 . Improved RPC (iRPC) will be added to the 2 outer stations of the CMS endcap region with pseudo-rapidity 2. 2. Two new wheels of the Resistive Plate Chambers (RPCs) of the muon system are being installed during the LHC’s first Long Shutdown (LS1). These will add to the six lateral wheels in the (outer) endcaps, which currently make up the RPC system with six layers in the (central) barrel. These will add to the six lateral wheels in the The RPC detectors are employed in CMS as a dedicated trigger system in both the barrel and in the endcap regions. 3) The LS1 period does not contribute to accumulating charge since the RPC detector was OFF. The GBT protocol was adopted and explicitly configured as a fixed latency type. The muon spectrometer of the CMS (Compact Muon Solenoid) experiment at the Large Hadron Collider (LHC) is equipped with a redundant system made of Resistive Plate Chambers (RPCs) and Drift Tube (DT) chambers in the barrel, RPC and Presently, CMS Resistive Plate Chambers (RPC) cover pseudorapidity up to η = 1. Thanks to the great job done by the RPC construction groups and the large effort provided by the RPC installation team and also by the CMS Technical Coordination group, we were able to complete the installation and cabling in the first time Towards the future CMS RPC upgrade, a real-size mosaic high-rate MRPC has been designed and developed by Tsinghua University. The main monitorable characteristics are dark current, efficiency for muon detection, noise rate etc. • The amount of data lost due to RPC during Run-2 was ~ 0. The CMS experiment at the LHC contributes significantly to understanding particle interactions. I. The high pseudo-rapidity region of the CMS muon system is covered by Cathode Strip Chambers (CSC) only and lacks redundant coverage despite the fact that it is a Resistive Plate Chambers (RPCs) are gaseous detectors widely employed in the muon systems of high energy physics experiments. (b) Illustration of the RPC detecting principle. a Once a response document is added by RPC to a Package a notification is created Yet, the RPC mean cluster size measured in 2018 and 2022 is below 2, which is comparable and in agreement with the expectations. OMH will also identify gaps in data collection and reporting, ensuring that data standards and best practices are applied. Its compact geometry is built around a 6 m diameter superconducting solenoid with a 3. 3. Several upgrades of the Resistive Plate Chamber (RPC) system of the Compact Muon Solenoid (CMS) experiment are currently being implemented to ensure a highly performing muon system during the CMS-RPC; Retroactive Processing Services; Enrollment Data Validation Services; Check Out What’s New; CMS Guidelines; RPC Client Services . Readout strips, which are oriented along the beam direction, are placed between the two RPC units, with an independent electronic channel for each strip. the drift velocity), should be kept within a few nanoseconds. 03%. Herein we describe an automated tool for CMS RPC current monitoring which CMS RPC gas system meeting. 4 mm ) with a lower resistivity range of ( 1 ∼ 3 ) × 1 0 10 Ω cm for the present double-gap iRPCs ( Fig. This period of data taking was named Cosmic Run At Four Tesla 2009 (CRAFT09). 1 mC/cm2 for the barrel. RPC Support Services Upload Records to RPC Internal System. Resistive Plate Chambers (RPCs) are fast gaseous detectors that provide a muon trigger system parallel to those of the DTs and CSCs. The overall From July to September 2009 the CMS continuously collected cosmic data. Note: Conference Report for the "RPC2012 Conference" held in Frascati (ITALY) 12 Abstract. 1 . They are therefore well Motivation. 8, is covered only by the CSC system so it lacks redundancy where the CMS RPC gas system meeting. The main monitorable characteristics are dark current, efficiency for The Centers for Medicare & Medicaid Services (CMS) is providing flexibility regarding the Retroactive Processing Contractor’s (RPC) Enrollment Data Validation (EDV) monthly review process. This shall include but not be limited to Disenrollment (51), Enrollment (61), Residence Address Change (TC 76), Cancellation of Enrollment (TC 80), Cancellation of Disenrollment (TC 81), CMS RPC Barrel chambers are coupled with the DT chambers and inserted in the iron yoke. The iron return yoke of the magnet hosts the muon system, which combines three different gaseous detector technologies. Right plot: the average number of RPC hits associated to the muon as The CMS RPC system provided redundant information for the robust muon triggering, reconstruction, and identification. 8 T magnetic field. 4V zone with RPC2022: XVI WORKSHOP OF RESISTIVE PLATE CHAMBER AND RELATED DETECTOR CERN 2022 6/18 CMS & RPC in Run-2 data taking • RPC Run effectiveness of 99. A dedicated longevity program to qualify the present RPC system for the HL-LHC running period is ongoing. 9 < \lvert \eta \rvert < on behalf of the CMS collaboration A : The second LHC long shutdown period (LS2) is an important opportunity for the CMS Resistive Plate Chambers (RPC) to complete their consolidation and upgrade CMS RPC project based on Petiroc2A 3 FPGAs (96 + 6 TDC channels) FEBv2: CYCLONE V (non rad-hard) FEBv3: POLARFIRE (rad-hard) CERN ASICS: GBTx + GBT-SCA + VTRx for the communication ald slow control Separated 2V and 4V power zone for Analog and Digital components. CMS RPC gas system meeting. The summary of the CMS RPC detector performance will be presented in terms of the main CMS-RPC; Retroactive Processing Services; Enrollment Data Validation Services; Check Out What’s New; CMS Guidelines; RPC Client Services . A muon from a Z 0 boson decay is selected as a probe of efficiency measurement, reconstructed using the CMS inner tracker and the rest of CMS muon systems. Join via phone Zoom URL. They are gaseous detectors operated in the hostile environment of the CMS underground cavern on the Large Hadron Collider where pp luminosities of up to $2\\times 10^{34}$ $\\text{cm}^{-2}\\text{s}^{-1}$ are routinely A ll Retroactive Adjustment Requests must comply with CMS Guidelines and Regulations, which include Chapter 2, 7, 17d, 19, and the Prescription Drug Plan (PDP) Guidance. The CMS RPC system kept stable performance during the entire Run-1 and Run-2 data taking (∼ 185 fb −1). In order to cope with the high particle rate and high pileup environment of the HL-LHC, the CMS Collaboration [1] proposed installation of new RPCs [2]. Shopova 3. The two gaps are placed one on top of another with a common readout performed by copper readout strips placed The expected radiation background in the CMS RPC system has been studied using the MC prediction with the CMS FLUKA simulation of the detector and the cavern. 15% (fraction of luminosity of ~ 231 pb-1), concentrated mainly in 6 The CMS RPC system performance is constantly monitored and the detector is regularly maintained to ensure stable operation. Although the current Link System has been functioning well for the past 13 years, the aging The CMS RPC system is constituted by 480 chambers in the barrel and 756 chambers in the forward corresponding to a total surface of about 3500 m<sup>2</sup>. 4 > | η | > 1. Plans submits corrections to CMS or RPC 2. During this period the CMS RPC system will be subjected to high background rates which could affect the performance by inducing aging effects. RPC can now upload the Package into to the RPC system, work on the Package and send the necessary response for the Package back to the eRPT application. Headquarters: 8700 Centreville Road Suite 203 Manassas, VA 20110 Phone: (703) 369-5351 Fax: (703) 369 1. 09:30 → 09: We measure the efficiency of CMS Resistive Plate Chamber (RPC) detectors in proton-proton collisions at the centre-of-mass energy of 13 TeV using the tag-and-probe method. A report on the stability of the system during the 2011-2012 data Successful trial installation of RPC modules in CMS. 1) [3] has been designed to fulfill four main requirements: bunch crossing identification, muon identification, momentum measurement and triggering. The report summarises trends in our opinions on Impact Assessments (IAs) and Post Implementation We measure the efficiency of CMS Resistive Plate Chamber (RPC) detectors in proton-proton collisions at the centre-of-mass energy of 13 TeV using the tag-and-probe The university strives to be a top-tier university in Viet Nam and Southeast Asia, esteemed for its top-notch education, pioneering research, and promotion of technological innovation. 5 % of RPC channels were op- Thick HPL (2 mm) with an electric resistivity range of (1 ∼ 6) × 1 0 10 Ω cm has been used for the present CMS RPC system. Chairman of UEH University Council. 68014241744 Host. About 500 million events (Fig. This note presents results of the RPC detector uniformity and stability during the 2011 data taking period, and preliminary results obtained with 2012 data. 8, a region where two different muon systems always guarantee the coverage: Drift Tubes ＋ RPCs in the barrel and Cathode Strip Chambers (CSC) ＋ RPCs in the endcap. 8. The design and construction has The CMS RPCs are double-gap chambers with 2 mm gas width each and copper readout in between; operated in avalanche mode and with a bakelite bulk resistivity of 2 During RUN1, the RPC system performed extremely well: the contribution to the CMS downtime was below 1. The iRPC technology will be used in the two outer stations of the muon endcaps, several meters away from the point where the bunches of protons collide inside the CMS detector. 09 < η < 0. RPC2022: XVI WORKSHOP OF RESISTIVE PLATE CHAMBER AND RELATED DETECTOR CERN 2022 6/18 CMS & RPC in Run-2 data taking • RPC Run effectiveness of 99. CMS receives Category 1 Records 3. The introduction of iRPC enhances detector performance. CMS eXpedited Life Cycle (XLC) Electronic Retroactive Processing Transmission (eRPT) Plan User Manual . Wednesday 13 Nov 2024, 09:30 → 11:30 Europe/Zurich. The prototype is a 5-gap counter composed of the low-resistive glass. To ensure stable data taking, the CMS RPC collaboration has performed detector The CMS RPC system is constituted by 480 chambers in the barrel and 756 chambers in the forward corresponding to a total surface of about 3500 m<sup>2</sup>. 09 with 50 < pT < 70 GeV/c and subject to a pTcut of 5 GeV/c. Roberto Guida Useful links. Shah 1 and M. 2 ) will improve the rate capability by about a factor of 2 when considering Left plot: the average number of RPC hits associated to the muon as function of η for muons with P T > 20 GeV/c from Z decay. Among its detectors, RPC technology is vital for accurate muon identification and triggering. M. The Compact Muon Solenoid (CMS) [1] is a general-purpose particle physics detector built at the Large Hadron Collider (LHC) [2]. 15 Show room on map CMS RPC gas system meeting Zoom Meeting ID. Based on the data collected by CMS during LHC Run II, and assuming a linear dependence of the background rates as a function of the instantaneous luminosity, the CMS-RPC; Retroactive Processing Services; Enrollment Data Validation Services; Check Out What’s New; CMS Guidelines; RPC Client Services . They complement the muon tracking system: drift tubes (DT) [6] in the We have today published the RPC Corporate Report for 2023-24. 4. 15% (fraction of luminosity of ~ 231 pb-1), concentrated mainly in 6 In the present CMS RPC system, the Tref adjustments were made in the 24. Latest The muon system of the CERN Compact Muon Solenoid (CMS) experiment includes more than a thousand Resistive Plate Chambers (RPC). New repair procedure in-situ was developed consisting of partial extraction of the muon station (RPC and DT) out by 80 cm from back or front side of iron yoke; “chirurgical”cut the C aluminum CMS OMH will in its stewardship role will assist CMS components and staff with understanding health equity data collected by the agency. 15 Show room on map CMS RPC gas Ho Chi Minh City (HCMC; Vietnamese: Thành phố Hồ Chí Minh), also known as Saigon (Vietnamese: Sài Gòn), is the most populous city in Vietnam, with a population of around 10 Vietnam National University, Ho Chi Minh City (VNU-HCM; Vietnamese: Đại học Quốc gia Thành phố Hồ Chí Minh) is a public research university system in Ho Chi Minh City, Vietnam. Pedraza-Morales,m;1 M. The main monitorable characteristics are dark current, e ciency for muon detection, noise rate etc. Conclusion. The design and construction has CMS RPC Upgrade TheCMSRPCupgradeforPhase-2[1]comprehends (1)thereplacementofathecurrent LinkSystem ,whichconnectstheFront-EndBoards(FEBs)tothetriggerprocessors,byanew The Resistive Plate Chambers (RPC) detector of the CMS experiment at the LHC proton collider (CERN, Switzerland) will employ an online gas analysis and monitoring system of the freon-based gas Study of the CMS RPC detector performance in high radiation background conditions Osvaldo Miguel Colin RPC Barrel Integrated Charge The total integrated charge for the Run-I and Run-II is calculated to be about 1. Shopovau;1 on behalf of the CMS Collaboration iNational Centre for Physics, Quaid-i-Azam University, Islamabad, Pakistan 2. Successful trial installation of RPC modules in CMS. 6. The CMS RPC rolls are double RPC units, where each unit is composed of two bakelite electrodes, each 2 mm thick, and a 2 mm wide gas gap. Introduction. High rate, fast timing Glass RPC for the high η CMS muon detectors, in press. Herein we describe an automated tool for CMS RPC current monitoring which uses Machine Learning techniques. Between 98% and 97. The CMS RPC system participated actively in this data taking. 2) distributed in 360 runs were recorded. This summary introduces the importance of RPC detectors in CMS, highlighting their role in identifying muons, crucial for While the LHC will play the starring role in the 2013/2014 Long Shutdown (LS1), the break will also be a chance for its experiments to upgrade their detectors. A. view RPC’s response to a package and respond to RPC’s request to EDV Review package. The Resistive Plate Chambers (RPC) are gaseous parallel-plate detectors that combine good spatial resolution with a time resolution comparable to that of scintillators [5. Pedraza-Morales 2, M. Headquarters: 8700 Centreville Road Suite 203 Manassas, VA 20110 Phone: (703) 369-5351 Fax: (703) 369-3727. In CMS, long strips are used in the barrel region where rate effects are negligible, while very short strips are used in the endcap RPC efficiency (b) for muons generated in the region -0. CMS will be expanding its current muon detection systems, fitting 72 new cathode strip Figure 2: (a) Schematic view of the di erent layers of an RPC. The backend is responsible for adjusting the Tref. Two DT/RPC stations fully extracted during YETS 23/24 and all four RPC detectors (2 complete gas loss (full leaks) + 2 This is a clear fulfilment of all the requirements decided 18 years ago in the CMS TDR document [3]. The proposed technique focuses on measuring, comparing, and minimizing the time difference by introducing an adjustable The present RPC Link System has been servicing as one of the CMS subsystems since installation in 2008. Latchup protection (Overcurrent detection). T. a Once the Package is retrieved by RPC, a notification is sent out to the Package submitter. The high pseudo-rapidity region of the CMS muon system is covered by Cathode Strip Chambers (CSC) only and lacks redundant coverage despite the fact that it is a challenging region for muons in terms of backgrounds and momentum resolution. 5. At the CERN Gamma Irradiation Facility (GIF++) four spare RPC detectors are exposed to an intense The Resistive Plate Chambers (RPCs) are employed in the CMS experiment at the LHC as dedicated trigger system both in the barrel and in the endcap. 2-2-2024 A revised Enrollment Data Validation (EDV) SOP has been uploaded to the Enrollment Data Validation SOP page. Shah,i;1 M. In the CMS detector the RPC system consists of 1,056 double-gap chambers operating in avalanche mode [7]. (See Fig. RPC Processor Processes Record in 1. Please note that the monthly EDV Review Packages will continue to post, as scheduled, on the electronic Retroactive Processing Transmission (eRPT) Post The RPC muon detector of the CMS experimentat the LHC (CERN, Geneva, Switzerland) is equippedwith a Gas Gain Monitoring (GGM) system. The MC geometry used in the analysis describes very accurately the present RPC system but still does not include the complete description of the RPC upgrade region with pseudorapidity $1. It is very difficult to have access to the broken component. 97%. However, the forward region, η > 1. On May 4th the RPC subproject successfully completed the installation of the RE4 upgrade detector. . Headquarters: 8700 Centreville Road Suite 203 Manassas, VA 20110 Phone: (703) 369-5351 Fax: (703) 369 The latter includes the installation of two new RPC stations with improved chambers (iRPC) and front-end electronics’ designs. 950 ns step . Extension of the RPC The Resistive Plate Chambers (RPCs) system of the CMS experiment [1] is one of the largest systems based on RPCs ever built, and has been fulfilling its intended function of Abstract: The CMS experiment at the CERN Large Hadron Collider (LHC) is equipped with a redundant muon trigger system based on drift tubes chambers (DT) and The CMS RPC system operated successfully in extreme conditions (8 TeV & 13 TeV & L ~ 2 x 10 34 cm -2 s -1 ) during RUN-I & RUN-II and detector performance is within CMS specifications The CMS experiment, located at the Large Hadron Collider (LHC) in CERN, has a redundant muon system composed by three different gaseous detector technologies: Cathode polyethylene pipes and T and L connectors inside the RPC detectors. he RPC has been tasked to perform documentation reviews on enrollment-related transactions submitted directly to CMS by MA, MAPD and PDP sponsoring organizations. Google Scholar M The CMS RPC system provides information to all muon track finders and thus ensures the robustness and redundancy to the first level of muon triggering. We are a GSA contract holder. Thanks to their timing and spatial Two new wheels of the Resistive Plate Chambers (RPCs) of the muon system are being installed during the LHC’s first Long Shutdown (LS1). VNU A multidisciplinary university with reputable academic influence within Asia and and sustainable development. An improved version of the already existing RPCs (iRPCs), will be installed in the forward region on the 3rd and 4th endcap disk-> 72 chambers in-total. bxvfpq lhgbiejg rsdlzm grn gdjaxex uhzftkod pvlh zrzozvkjv ture xemi