LHCb-Glossary

Twiki LHCb Glossary

• AC/DC: Australian Rock Band
• ADC: Analog-to-Digital Converter
• ASIC: Application Specific Integrated Circuit
• BIC: Beam Interlock Controller
• BGI: Beam Gas Imaging (Lumi measurement)
• CMT: Configuration Management Tool
• DAQ: Data Aquisition
• DDDB: Detector Description Data Base
• DST: Data Summary Tape
• ECAL/EMC, HCAL: Electromagnetic/Hadronic Calorimeter
• ECS: ? -> Muon Detector
• EDR: Engineer Design Report
• EFF: Event Filter Farm
• FPGA : Field Programmable Gate Array
• FTE: Full Time Engagement (40h)
• GEC: Global Event Cut
• GEM: Gas Electron Multiplier (in muon chambers)
• GPD: General Purpose Detector (ATLAS,CMS,BABAR,Belle)
• HPD: (Pixel) Hybrid Photon Detector (RICH1)
• HV: High Voltage
• IT/OT/TT: Inner/Outer Tracker, Tracker Turencis (also: Trigger Tracker )
• L0DU: Level-0 Trigger Decision unit
• LCG: LHC Computing Grid
• LS1: Long Shutdown 1 (Feb. 2013 - Nov. 2014)
• LSF: Load sharing facility
• LV: Low Voltage
• MD: Machine development
• MWPC: Multi-Wire Plate Chamber (?) -> Muon Detector
• OTDR: Optical Time Domain Reflectometry (RICH)
• PMT: Photo Multiplier Tubes
• PS: Preshower Detector
• Ramp Up: LHC charges magnets with 50µT/s
• RICH: Ring Imaging Cherenkov Detector
• SMOG: System for Measuring the Overlap with Gas (For Lumi measurement with BGI)
• SPD: Scintillating Pad Detector
• ST: Silicon Tracker
• SVN: Subversion code versioning system
• TAE: Time aligned events ( data taking using accumulation of 3 successive events )
• TB: Test Beam, Technical Board
• TDR: Technical Design Report
• TELL-#: Trigger ELectronics and Level# board
• TES: Transient Event Store
• TCK: Trigger Configuration Key
• TDC: Time-to-Digital Converter
• TRIDENT: Twin-Ring IDENTification system
• TS: Technical Stop
• TVB: Trigger Validation Board
• UFO: Unidentified Falling Object
• VCSEL: Vertical-cavity surface-emitting laser
• VELO: Vertex Locator