Cms detector performance and software

The cms muon detector system, muon reconstruction software, and highlevel trigger underwent significant changes in 202014 in. Our detection algorithm checks for thousands of artifacts to determine if the requested page was generated by a cms. The detector is composed by inner standard model of elementary particles. If you want to know what cms a website is using, come on in. Cms collaboration, cms physics technical design report, volume 2. Performance and upgrade plans for the cms detector. A content management system, or cms, is a piece of software designed to help users create and edit a website. The performance and strategies used in electron reconstruction and selection at cms are presented based on data corresponding to an integrated luminosity of 19. The control system software the detector control system rack mounted pcs about 100 are also located in usc55 in s1, s2 and s4 distributed in 14 racks. The cms muon system and its performance in the cms cosmic. Cms muo16001 performance of the cms muon detector and muon reconstruction with protonproton collisions at p s tev the cms collaboration abstract the cms muon detector system, muon reconstruction software, and highlevel trigger underwent signi. Hang tight, well have an answer for you in a few seconds. In 2012, it codiscovered the elusive higgs boson with its sister experiment, atlas. In summer 2006 the cms solenoid has been switched on for the first time, generating successfully the designed magnetic field of b 4 t.

This software allows users to remotely login to their dvrs to view security cameras live, perform dvr administrative configuration functions, playback video that has been recorded on the hard. The cms muon detector system, muon reconstruction software, and highlevel trigger underwent significant changes in 202014 in preparation for running at higher lhc collision energy and instantaneous luminosity. Today, the cms simulation suite is based on the two principal components geant4 detector simulation toolkit and the new cms offline framework and event data model. We can currently detect hundreds of cms and are continuing to add more. The detector has shown excellent performance, and the data taking efficiency has been above 90% on average. Its important to note, however, cms do much more than help. Cms stands for content management system and it refers to the environment in which a website operates. The cms pixel detectors were assembled at fnal for the fpix and at psi for the bpix.

Performance of electron reconstruction and selection with. A quadrant view of the cms detector is shown in fig. Performance of the cms muon detector with 7 tev pp. Pc performance tuning second layer performance measurements high level trigger. In addition to detecting the cms, in some cases we are able to accurately detect which version of the cms is being used. By knowing the type of cms being used you ca get a feel for the scripts and templates that might be installed. Cms is 21 metres long, 15 m in diameter, and weighs about 14,000 tonnes. The performance of the modified system is studied using protonproton collision data at centerofmass energy vs tev, collected at the lhc in 2015 and 2016. The performance of the modified system is studied using protonproton collision data at centerofmass energy vs tev, collected at the. Performance monitoring of the software frameworks for the lhc experiments page 3 of 34 abstract this document presents the extraction, maintenance and performance monitoring of the latest benchmarks representative of the 4 major software experiment frameworks at cern, namely atlas, alice, cms and lhcb. An upgrade program is planned for the lhc which will smoothly bring the. Surveillance dvr remote access client software cms the idvrpro surveillance dvrs can be accessed remotely using the central management software cms software that is included. Muon reconstruction and identification at cms sciencedirect.

In july 2012, along with atlas, cms tentatively discovered the higgs boson. References discovery paper observation of a new boson at a mass of 125 gev with the cms experiment at the lhc cms collaboration, arxiv. Abstract met monitoring metmon scheme and results 7tev. Overview of the cms detector performance at lhc run 2 mdpi. The cms collaboration abstract the performance of all subsystems of the cms muon detector is studied by using 7 tev pp collision data from the lhc in 2010. As long as this tool is so popular, it was decided to. Cms detector performance summaries cern document server. The lhc beams travel in opposite directions along the central axis of the cms cylinder colliding in the middle of the cms detector.

Cms tracker performance results for full run 2 legacy reprocessing cms collaboration during the lhc long shutdown 2, the cms experiment started a collaborationwide effort to recalibrate the data and optimize the simulation, reconstruction and analysis software in order to reprocess the data collected during lhc run 2 with uniform software and detector calibrations legacy processing. This page provides basic information about medicare andor medicaid provider compliance with national fire protection association nfpa 101 life safety code lsc and nfpa 99 health care facilities code hcfc requirements and includes links to applicable laws, regulations, and compliance information. I have been mainly involved with the online software and daq of the pixel detector. The windows central management software cms software for viewtron surveillance dvrs allows users to connect to and view security cameras from multiple dvr locations using a central client application. With increasing lhc luminosity, cms has proved to be capable to trigger efficiently on physics events and to reconstruct them even in presence of many superimposed interactions in the same bunch crossing, the socalled high pileup conditions. Performance of the cms muon detector and muon reconstruction. The data acquisition software the cms pixel detectors data acquisition software.

In this report, the performance of the different detectors comprising the cms muon system, together with the muon trigger performance, evaluated using data. Over 4,000 people, representing 206 scientific institutes and 47 countries, form the cms collaboration who built and now operate the detector. The fast simulation of the cms detector at lhc iopscience. Detector performance and software, cernlhcc 2006001. Cms acts as a giant, highspeed camera, taking 3d photographs of particle collisions from all directions up to 40 million times. A website hosted on a cms developers domain is a dead giveaway. In this paper we present the features and the expected performance of the redesigned cms simulation software, as well as the experience from the migration process. Cern document server access articles, reports and multimedia content in hep. The detector operates at the large hadron collider lhc at cern. The compact muon solenoid cms detector is described. The paper focuses on prompt isolated electrons with transverse momenta ranging from about 5 to a few 100 gev. Experience with commissioning of the cms pixel detector. Some content management systems also offer hosting. A content management system cms is a system used to manage the content of a web site.

A more detailed description of the cms detector, together with a. The compact muon solenoid cms 1 experiment is a generalpurpose experiment built at the large hadron collider lhc. The software lets the user configure groups of connections, then pick and choose which cameras should be grouped into names display screens. It was conceived to study protonproton and leadlead collisions at a centreofmass energy of 14 tev 5. Remote video our video monitoring services help you to fulfill two critical functions for your customers. Detector performance and software article pdf available january 2006 with 477 reads how we measure reads. Detector awards 2017 tracker pirmin berger eth for significant contributions to the construction, testing and commissioning of the phase1 pixel vertex detector of cms. It is located in a cavern at cessy in france, just across the border from geneva.

During the recent magnet test and cosmic challenge mtcc the muon reconstruction was employed successfully to reconstruct cosmic muons traversing a full slice of the cms detector. Cms imagings product line includes mri, ct, digital xray, advanced fluoroscopic systems, interventional xray. The compact muon solenoid or cms detector sits at one of these four collision points. Cms tracker performance results for full run 2 legacy reprocessing cms collaboration during the lhc long shutdown 2, the cms experiment started a collaborationwide effort to recalibrate the data and optimize the simulation, reconstruction and analysis software in order to reprocess the data collected during lhc run 2 with uniform software and detector calibrations legacy. High throughput data acquisition at the cms experiment at.

Many people use cms to manage the content of their website easier. Excellent results regarding the cms detector triggering capabilities and its performance for tracking and vertexing, particle identification, reconstruction. Now, cms scientists want to push beyond the known laws of physics and. Cern document server cms detector performance summaries. The cms collaboration has developed a fast monte carlo simulation of the cms detector with event production rates 100 times faster than the geant4based simulation, with nonetheless comparable accuracy for most of the physics objects typically considered in the analyses. After many years of very careful and innovative work, the cms collaboration has successfully constructed an outstanding lhc detector that fully meets the vision and performance requirements conceived at the start of cms. Surveillance cms software setup for viewtron cctv and hd. Cms detector uses a cutting edge algorithm to detect what cms a website is using. Lhc cms detector upgrades project project cost bases of. Having access to a cms detector is important if you want to know how to find the cms, platform or technology used by a website. Cms paper cft09001 cms paper 20100202 commissioning and performance of the cms pixel tracker with cosmic ray muons the cms collaboration abstract the pixel detector of the compact muon solenoid experiment consists of three barrel layers and two disks for each endcap. Commissioning and performance of the cms pixel tracker. Here we report the performance of a monitoring program that we designed and tested with 900 gev, 2. A detailed description of the readout chip can be found in 2.