The ATLAS Level-1 Calorimeter Trigger architecture

Physics & Astronomy

• field-programmable gate arrays 82%
• calorimeters 82%
• actuators 69%
• modules 52%
• central processing units 42%
• hardware 40%
• readout 38%
• data acquisition 20%
• hadrons 17%
• time measurement 16%
• costs 16%
• output 12%
• energy 12%
• photons 11%
• configurations 11%
• electrons 9%

Engineering & Materials Science

• Calorimeters 100%
• Field programmable gate arrays (FPGA) 69%
• Merging 55%
• Hadrons 44%
• Photons 33%
• Computer hardware 33%
• Electrons 28%
• Data acquisition 24%
• Control systems 17%
• Costs 10%