At the Leading Edge: The Atlas and Cms Lhc Experiments

by Green, Dan

• ISBN13: 9789814304672
• ISBN10: 9814304670
• Format: Paperback
• Copyright: 2009-12-30
• Publisher: World Scientific Pub Co Inc

Summary

Too often descriptions of detectors focus on the what” and not the why”. This volume aims to elucidate how the requirements of the physics at the Large Hadron Collider (LHC) define the detector environment. In turn, the detector choices are made to adopt to that environment. The goal of LHC physics is to explore the mechanism for electroweak symmetry breaking. Because of the minuscule cross-sections which need to be explored, 0.1 fb, the LHC needs to provide 100 fb-1/yr, or an instantaneous luminosity of 1034 / (cm2 sec). With a bunch crossing interval of 25 nsec, well matched to detector speeds, there will be 25 events occupying each bunch crossing. Thus the physics requires fast, finely segmented, low noise and radiation resistant detectors which provide redundant measurements of the rarely produced electrons and muons. To achieve those goals, new ground was broken in constructing the A Toroidal LHC ApparatuS (ATLAS) and Compact Muon Solenoid (CMS) detectors in the vertex detectors, tracking systems, calorimetry, strong magnets, muon systems, front end electronics, trigger systems, and in the data acquisition methods used.

Table of Contents

Introduction: How Physics Defines the LHC Environment and Detectors	p. 1
The CMS Pixel Detector	p. 41
The Hybrid Tracking System of ATLAS	p. 69
The All-Silicon Strip CMS Tracker: Microtechnology at the Macroscale	p. 95
The ATLAS Electromagnetic Calorimeters: Features and Performance	p. 129
The CMS Electromagnetic Calorimeter: Crystals and APD Productions	p. 155
ATLAS Electronics: An Overview	p. 177
Innovations in the CMS Tracker Electronics	p. 205
TileCal: The Hadronic Section of the Central ATLAS Calorimeter	p. 233
Innovations for the CMS HCAL	p. 259
ATLAS Superconducting Toroids-The Largest Ever Built	p. 279
Constructing a 4-Tesla Large Thin Solenoid At the Limit of What Can Be Safely Operated	p. 305
The ATLAS Muon Spectrometer	p. 329
The CMS Muon Detector: From the First Thoughts to the Final Design	p. 351
The Why and How of the ATLAS Data Acquisition System	p. 391
Removing The Haystack-The CMS Trigger and Data Acquisition Systems	p. 417
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