At the Leading Edge: The ATLAS and CMS LHC Experiments

Front Cover
World Scientific, 2010 - Science - 436 pages
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.
 

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Contents

How Physics Defines the LHC Environment and Detectors D Green
1
Chapter 2 The CMS Pixel Detector W Erdmann
41
Chapter 3 The Hybrid Tracking System of ATLAS Leonardo Rossi
69
Microtechnology at the Macroscale M Mannelli
95
Features and Performance Luciano Mandelli
129
Crystals and APD Productions P Bloch
155
An Overview Philippe Farthouat
177
Chapter 8 Innovations in the CMS Tracker Electronics G Hall
205
Chapter 10 Innovations for the CMS HCAL J Freeman
259
Chapter 11 ATLAS Superconducting Toroids The Largest Ever Built Herman H J ten Kate
279
Chapter 12 Constructing a 4Tesla Large Thin Solenoid at the Limit of What Can Be Safely Operated A Herve
305
Chapter 13 The ATLAS Muon Spectrometer Giora Mikenberg
329
From the First Thoughts to the Final Design Fabrizio Gasparini
351
Chapter 15 The Why and How of the ATLAS Data Acquisition System Livio Mapelli and Giuseppe Mornacchi
391
Chapter 16 Removing The Haystack The CMS Trigger and Data Acquisition Systems Vivian ODell
417
Copyright

The Hadronic Section of the Central ATLAS Calorimeter K Anderson T Del Prete E Fullana J Huston C Roda and R Stanek
233

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