Liquid Argon Calorimeter

Technical Design Report

Prepared By:

ATLAS LARG Unit

ATLAS Collaboration

Acknowledgements

Table Of Contents

1 - Calorimeter overview

2 - Test beam results

3 - The cryogenics and vacuum system

4 - Barrel cryostat and feedthroughs

5 - End-cap cryostat

6 - Electromagnetic barrel calorimeter and presampler

7 - The electromagnetic end-cap calorimeter and presampler

8 - The hadronic end-cap calorimeter

9 - The Forward calorimeter

10 - Liquid argon electronics

11 - Radiation levels, radiation tests, qualification of materials

12 - Monitoring

13 - Test beam activity

14 - The final assembly and cold tests in the West Area

15 - Installation, commissioning, running, access, and repair

16 - Master schedule and LAr PBS

A - Liquid argon properties

B - ATLAS axis system

C - Acronyms used

D - Members of the ATLAS LAr Collaboration

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