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ATLAS TDAQ Acronyms

This is a compilation of acronyms frequently used in the ATLAS Trigger and Data Acquisition systems. The list emerged from listening to the presentations at the ATLAS/TDAQ workshop at CERN, May 15-19, 2006. It is made up of the acronyms that were most commonly used. It is neither complete nor necessarily 100% correct. For a more comprehensive list, see the ATLAS TDAQ Glossary compiled by Marc Dobsonfrom which this draws..

TDAQ

Trigger/Data Acquisition

ROS

Read Out System

ROD

Read Out Driver

ROL
RoI

Region of Interest

RoIB

Region of Interest Builder

L2PU

Level 2 Processing Unit

L2SV

Level 2 Supervisor

DFM

Data Flow Manager

SFI

Sub-Farm Input

SFO

Sub-Farm Output

LVL1

Level 1 Trigger

Level 1 Calorimeter Trigger

SL

Sector Logic

PPM

Preprocessor Module

CPM

Cluster Processor Module

JEM

Jet/Energy Module

CMM

Common Merger Module

HLT

High Level Trigger

LVL2

Level 2 Trigger

EF

Event Filter

PESA

Physics Event Selection Architecture

DCS

Detector Control System

LVPS
TTC

Timing, Trigger and Control

LTP
DFM

CTP

Central Trigger Processor

MUCTPI

Muon to CTP Interface

OKS

Object Kernel Support

Detector

MDT
TGC
RPC

Resitive Plate Chamber

ID

Inner Detector

UX15

Underground experimental area 15 (ATLAS cavern)

USA15

Underground services area 15 (ATLAS electronics)

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