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Trigger Simulation

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Simulate 1st level Trigger using TGC. As a part of MC production in ATLAS ... ASD/Digi. Detector simulation outputs. Sector. Trigger simulator. 27 Oct. 2000 ... – PowerPoint PPT presentation

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Title: Trigger Simulation


1
Trigger Simulation
  • Hisaya Kurashige
  • KOBE Univ.

2
Objective
  • Simulate 1st level Trigger using TGC
  • As a part of MC production in ATLAS
  • to evaluate Trigger Performance
  • to filter events
  • For design of Trigger electronics
  • to evaluate Implementation of logic
  • to study Timing calibration and Diagnosis
    procedures

3
Objective
4
TGC Level-1 simulation
  • Input (same as current DICE)
  • Hit information of TGC chambers
  • Chamber number
  • Hit Position/Time
  • Momentum information of incoming particles
  • Output
  • Raw Data
  • Hit pattern of chambers
  • Trigger Information
  • RoI information to MUCTPI
  • Test vectors at each stage of trigger logic

5
Design policy
  • Detailed trigger simulation based on real
    electronics design
  • Can describe logic according to real
    implementation of ASIC
  • Can describe individual module
  • Can describe connection between modules
  • Can treat multi-bunch simulation

6
Schematic
  • Electronics System
  • Main class (management)
  • Database
  • Keep information of connection between modules
  • ASD/Digi
  • Detector simulation outputs
  • Sector
  • Trigger simulator

7
Current Status -1
  • Prototype Code was finished by Daisuke and Koichi
    as a part of his master degree work on Mar 00
  • These are very preliminary results and we found
    some bugs exist

dR,df in a High Pt Board for muon tracks
8
Current Status -2
  • Now, a new student, Totsuka, takes over it
    supervised by Yoji, Kazumi and Yoji
  • Prof. Yu Fu helps us as a foreign researcher at
    ICEPP

9
Current Status -3
  • Comparison of simulation results with Yojis
    results starts
  • But, there are some problems
  • It takes time for new students to understand TGC
    trigger scheme
  • We have changed TGC numbering scheme (sector No,
    chamber No etc.) for production/electronics/simula
    tion from one used in DICE. It causes some
    troubles.

10
Migration on ATHENA/PESA scheme -1
  • Trigger Simulation is a algorithm in ATHENA
    framework
  • Use Case Documents
  • Digitizer
  • Trigger Simulator
  • MC production
  • Diagnosis for electronics

11
Migration on ATHENA/PESA scheme -2
  • Framework Change
  • Use TDS (Transient Data Storage) for
  • Digitizer input (DICE Hit output equivalent)
  • Digitizer output (RAW data equivalent)
  • Trigger output (MUCTPI input equivalent)
  • Test Vectors
  • Create/Use Detector Data Service
  • For both trigger and detector simulation
  • Geometry
  • Connection Table
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