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Related papers: First Alignment of the Complete CMS Tracker

200 papers

With over 200 square meters of sensitive Silicon and almost 10 million readout channels, the Silicon Strip Tracker of the CMS experiment at the LHC will be the largest Silicon strip detector ever built. The design, construction and expected…

Instrumentation and Detectors · Physics 2009-11-11 P. Azzurri

The strategies for and the performance of the CMS tracker alignment during the 2021-2022 LHC commissioning preceding the Run 3 data-taking period are described. The results of the very first tracker alignment after the pixel reinstallation,…

Instrumentation and Detectors · Physics 2023-02-01 Sandra Consuegra Rodríguez

In preparation for the High Luminosity LHC, the entire tracker detector of the CMS experiment will be exchanged as part of the Phase-2 Upgrade. The new Outer Tracker will comprise approximately 13,000 silicon sensor modules, of which 7608…

Instrumentation and Detectors · Physics 2022-05-25 F. Zhang , G. Blanchot , S. Higginbotham , A. Honma , A. Kalogeropoulos , M. Kovacs , A. La Rosa , S. Nasr

The expected performance of track reconstruction with LHC events using the CMS silicon tracker is presented. Track finding and fitting is accomplished with Kalman Filter techniques that achieve efficiencies above 99% on single muons with…

Instrumentation and Detectors · Physics 2010-03-04 Paolo Azzurri

The CMS pixel detector consists of approximately 66 million silicon pixels whose analog signals are read out by 15,840 programmable Readout Chips. With the recent startup of the LHC, the detector is now collecting data used for precise…

Instrumentation and Detectors · Physics 2011-08-31 B. Kreis

The CMS-TOTEM Precision Proton Spectrometer (CT-PPS) is an approved project to add tracking and timing information at approximately $\pm$210~m from the interaction point around the CMS detector. It is designed to operate at high luminosity…

Instrumentation and Detectors · Physics 2017-04-05 Michele Gallinaro

The Large Hadron Collider (LHC) at CERN will undergo major upgrades to increase the instantaneous luminosity up to 5-7.5$\times10^{34}$ cm$^{-2}$s$^{-1}$. This High Luminosity upgrade of the LHC (HL-LHC) will deliver a total of 3000-4000…

Instrumentation and Detectors · Physics 2023-03-08 The Tracker Group of the CMS Collaboration

The 2009 run provided the first proton-proton collisions from the Large Hadron Collider (LHC) at center of mass energies of 900 GeV and 2.36 TeV. The Compact Muon Solenoid (CMS) experiment has recorded a large sample of minimum bias events…

Instrumentation and Detectors · Physics 2019-08-13 Keith A. Ulmer

The alignment procedure of the Silicon Microstrip Tracker, SMT, and the Central Fiber Tracker, CFT, is described. Alignment uncertainties and resulting systematic errors in physics analyses are addressed.

Instrumentation and Detectors · Physics 2010-04-22 Andre Sopczak

A Kalman Filter alignment algorithm has been applied to cosmic-ray data. We discuss the alignment algorithm and an experiment-independent implementation including outlier rejection and treatment of weakly determined parameters. Using this…

Instrumentation and Detectors · Physics 2012-11-13 D. Sprenger , M. Weber , R. Adolphi , R. Brauer , L. Feld , K. Klein , A. Ostaptchuk , S. Schael , B. Wittmer

The ATLAS Inner Detector is a composite tracking system consisting of silicon pixels, silicon strips and straw tubes in a 2 T magnetic field. Its installation was completed in August 2008 and the detector took part in data- taking with…

Instrumentation and Detectors · Physics 2012-08-27 The ATLAS Collaboration

Significant progress has been made to develop silicon pixel technologies for use in the vertex and tracker regions of the proposed Compact Linear Collider (CLIC) detector design. The electron-positron collisions generated by this linear…

Instrumentation and Detectors · Physics 2020-04-22 Morag Williams

The Compact Muon Solenoid (CMS) experiment at LHC features the largest Silicon Strip Tracker (SST) ever build. This device is immersed in a 4T magnetic field and, in conjunction with a Pixel system, it allows the momentum of the charged…

Instrumentation and Detectors · Physics 2017-08-23 Giacomo Sguazzoni

Pixelated silicon detectors are state-of-the-art technology to achieve precise tracking and vertexing at collider experiments, designed to accurately measure the hit position of incoming particles in high rate and radiation environments.…

Instrumentation and Detectors · Physics 2021-12-08 I. Zoi , A. Ebrahimi , F. Feindt , E. Garutti , P. Gunnellini , A. Hinzmann , C. Niemeyer , D. Pitzl , J. Schwandt , G. Steinbrück

At the High Luminosity LHC (HL-LHC), the CMS experiment will need to operate at up to 200 interactions per 25 ns beam crossing time and with up to 4000 fb-1 of integrated luminosity. To achieve the physics goals the experiment needs to…

Instrumentation and Detectors · Physics 2022-12-21 A. La Rosa , I. Ahmed , J. Almeida , G. Blanchot , S. Cooperstein , I. Dominguez , A. Honma , M. Kovacs , A. Zografos

A semiconductor tracker for muon scattering tomography is presented. The tracker contains silicon strip sensors with an $80\,\mu$m pitch, precision mechanics and integrated cooling. The electronic readout of the sensors is performed by a…

Instrumentation and Detectors · Physics 2018-10-30 F. Keizer , A. Gorbatch , M. A. Parker , C. Steer , S. A. Wotton

The ATLAS detector, built at one of the interaction points of the Large Hadron Collider, is operational and has been collecting data from cosmic rays. This paper describes the track based alignment of the ATLAS Inner Detector tracker which…

Instrumentation and Detectors · Physics 2019-08-13 Grant Gorfine

The Phase-1 upgrade of the CMS pixel detector is built out of four barrel layers (BPix) and three forward disks in each endcap (FPix). It comprises a total of 124M pixel channels in 1,856 modules, and it is designed to withstand…

Instrumentation and Detectors · Physics 2017-10-02 Weinan Si

The Compact Muon Solenoid (CMS) experiment at the Large Hadron Collider (LHC) is designed to study a wide range of high energy physics phenomena. It employs a large all-silicon tracker within a 3.8 T magnetic solenoid, which allows precise…

Instrumentation and Detectors · Physics 2019-10-29 Thomas James

The combined vertexing and tracking performance of the innermost part of the FCC-ee experiments must deliver outstanding precision for measurement of the track momentum together with an impact parameter resolution exceeding by at least a…

Instrumentation and Detectors · Physics 2021-12-28 Nicola Barchetta , Paula Collins , Petra Riedler