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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 CMS Level-1 trigger was used to select cosmic ray muons and LHC beam events during data-taking runs in 2008, and to estimate the level of detector noise. This paper describes the trigger components used, the algorithms that were…

Instrumentation and Detectors · Physics 2012-08-27 CMS Collaboration

A large fraction of the results produced by the LHC experiments during the first run were made possible by precision vertexing detectors. The all-silicon tracking detector of the CMS experiment uses a pixel detector to do vertexing. This…

Instrumentation and Detectors · Physics 2014-12-19 Frank Meier

This article describes the design, assembly and characterization of a portable cosmic ray detector, developed by the INSULAB group and suitable for teaching activities aimed at high school students. It consists of a compact aluminum…

A large volume TPC is a leading candidate for the central tracking detector at a future high energy linear collider. To improve the resolution a new readout based on micro-pattern gas detectors is being developed. Measurements of the…

Instrumentation and Detectors · Physics 2011-07-19 R. K. Carnegie , M. S. Dixit , J. Dubeau , D. Karlen , J. -P. Martin , H. Mes , K. Sachs

A precise and efficient tracking is one of the critical components of the CMS physics program as it impacts the ability to reconstruct the physics objects needed to understand proton-proton collisions at the LHC. The CMS detector has…

High Energy Physics - Experiment · Physics 2023-12-14 Walaa Elmetenawee

Various chips for the silicon sensors measurements are described. These chips are based on 0.35 um and 0.18um CMOS technology. Several analog chips together with self-trigger /derandomizer one allow to measure silicon sensors designed for…

Instrumentation and Detectors · Physics 2009-10-13 E. Atkin , A. Kluev , A. Silaev , A. Fedenko , D. Karmanov , M. Merkin , A. Voronin

Correlations between tracers of the matter density field and gravitational lensing are sensitive to the evolution of the matter power spectrum and the expansion rate across cosmic time. Appropriately defined ratios of such correlation…

Cosmology and Nongalactic Astrophysics · Physics 2019-07-26 J. Prat , E. J. Baxter , T. Shin , C. Sánchez , C. Chang , B. Jain , R. Miquel , A. Alarcon , D. Bacon , G. M. Bernstein , R. Cawthon , T. M. Crawford , C. Davis , J. De Vicente , S. Dodelson , T. F. Eifler , O. Friedrich , M. Gatti , D. Gruen , W. G. Hartley , G. P. Holder , B. Hoyle , M. Jarvis , E. Krause , N. MacCrann , B. Mawdsley , A. Nicola , Y. Omori , A. Pujol , M. M. Rau , C. L. Reichardt , S. Samuroff , E. Sheldon , M. A. Troxel , P. Vielzeuf , J. Zuntz , T. M. C. Abbott , F. B. Abdalla , J. Annis , S. Avila , K. Aylor , B. A. Benson , E. Bertin , L. E. Bleem , D. Brooks , D. L. Burke , J. E. Carlstrom , M. Carrasco Kind , J. Carretero , C. L. Chang , H-M. Cho , R. Chown , A. T. Crites , C. E. Cunha , L. N. da Costa , S. Desai , H. T. Diehl , J. P. Dietrich , M. A. Dobbs , P. Doel , W. B. Everett , A. E. Evrard , B. Flaugher , P. Fosalba , J. García-Bellido , E. Gaztanaga , E. M. George , D. W. Gerdes , T. Giannantonio , R. A. Gruendl , J. Gschwend , G. Gutierrez , T. de Haan , N. W. Halverson , N. L. Harrington , W. L. Holzapfel , K. Honscheid , Z. Hou , J. D. Hrubes , D. J. James , T. Jeltema , L. Knox , R. Kron , K. Kuehn , N. Kuropatkin , O. Lahav , A. T. Lee , E. M. Leitch , M. Lima , D. Luong-Van , M. A. G. Maia , A. Manzotti , D. P. Marrone , J. L. Marshall , J. J. McMahon , P. Melchior , F. Menanteau , S. S. Meyer , C. J. Miller , L. M. Mocanu , J. J. Mohr , T. Natoli , S. Padin , A. A. Plazas , C. Pryke , A. K. Romer , A. Roodman , J. E. Ruhl , E. S. Rykoff , E. Sanchez , J. T. Sayre , V. Scarpine , K. K. Schaffer , S. Serrano , I. Sevilla-Noarbe , E. Shirokoff , G. Simard , M. Smith , M. Soares-Santos , F. Sobreira , Z. Staniszewski , A. A. Stark , K. T. Story , E. Suchyta , M. E. C. Swanson , G. Tarle , D. Thomas , K. Vanderlinde , J. D. Vieira , V. Vikram , A. R. Walker , J. Weller , R. Williamson , O. Zahn

In October and November 2008, the CMS collaboration conducted a programme of cosmic ray data taking, which has recorded about 270 million events. The Resistive Plate Chamber system, which is part of the CMS muon detection system, was…

Instrumentation and Detectors · Physics 2012-08-27 CMS Collaboration

To cope with the challenging environment of the planned high luminosity upgrade of the Large Hadron Collider (HL-LHC), scheduled to start operation in 2029, CMS will replace its entire tracking system. The requirements for the tracker are…

Instrumentation and Detectors · Physics 2022-12-12 The Tracker Group of the CMS Collaboration

The basic principle of operation of silicon sensors with resistive read-out is built-in charge sharing. Resistive Silicon Detectors (RSD, also known as AC-LGAD), exploiting the signals seen on the electrodes surrounding the impact point,…

The track timing capabilities of a silicon drift detector based tracker for a future linear electron-positron collider are evaluated. We show such a detector can time tracks at the nanosecond, and for high-$P_{T}$, sub-nanosecond level.…

High Energy Physics - Experiment · Physics 2007-05-23 R. Bellwied , D. Cinabro , V. L. Rykov

The Alpha Magnetic Spectrometer (AMS) is a particle physics detector designed for a high precision measurement of cosmic rays in space. AMS phase-2 (AMS-02) is scheduled to be installed on the ISS for at least three years from September…

Instrumentation and Methods for Astrophysics · Physics 2010-09-13 N. Tomassetti

Recent advances in CMOS imaging sensor technology , e.g. in CMOS pixel sensors, have proven that the CMOS process is radiation tolerant enough to cope with certain radiation levels required for tracking layers in hadron collider…

A silicon photomultiplier (SiPM) array has been developed at FBK-irst having 32 channels and a dimension of 8.0 x 1.1 mm^2. Each 250 um wide channel is subdivided into 5 x 22 rectangularly arranged pixels. These sensors are developed to…

Instrumentation and Detectors · Physics 2010-03-04 R. Greim , H. Gast , T. Kirn , J. Olzem , G. Roper Yearwood , S. Schael , N. Zimmermann , G. Ambrosi , P. Azzarello , R. Battiston , C. Piemonte

This review article describes the performance of the magnetic field measuring and monitoring systems for the Compact Muon Solenoid (CMS) detector. To cross-check the magnetic flux distribution obtained with the CMS magnet model, four…

The Compact Muon Solenoid (CMS) is a general purpose detector, designed to run at the highest luminosity at the CERN Large Hadron Collider (LHC). Its distinctive features include a 4 T superconducting solenoid with 6-m-diameter by…

Instrumentation and Detectors · Physics 2016-06-02 V. I. Klyukhin , N. Amapane , A. Ball , B. Curé , A. Gaddi , H. Gerwig , M. Mulders , V. Calvelli , A. Hervé , R. Loveless

Camera image sensors can be used to detect ionizing radiation in addition to optical photons. In particular, cosmic-ray muons are detected as long, straight tracks passing through multiple pixels. The distribution of track lengths can be…

Instrumentation and Detectors · Physics 2016-05-04 J. Vandenbroucke , S. BenZvi , S. Bravo , K. Jensen , P. Karn , M. Meehan , J. Peacock , M. Plewa , T. Ruggles , M. Santander , D. Schultz , A. L. Simons , D. Tosi

We present a concept to improve the spatial resolution of silicon pixel-detectors via the implementation of a sub-pixel cross-coupling, which introduces directional charge sharing between pixels. The charge-collection electrode is segmented…

Instrumentation and Detectors · Physics 2020-07-24 Sinuo Zhang , David-Leon Pohl , Tomasz Hemperek , Jochen Dingfelder

The Chandra COSMOS Survey (C-COSMOS) is a large, 1.8 Ms, Chandra program, that covers the central contiguous ~0.92 deg^2 of the COSMOS field. C-COSMOS is the result of a complex tiling, with every position being observed in up to six…

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