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UCL Atlas Software Work. Atlas Fast Simulation (Atlfast) Jet Reconstruction Pt.1 (KtJet) Jet Reconstruction Pt. 2 (JetRec) Physics Analysis Package (PAP) Quality Assurance (QA) Graphics (JiveXML & Atlantis) Physics Studies. UCL Atlas Software Team. Jon Butterworth Jon Couchman

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ucl atlas software work
UCL Atlas Software Work
  • Atlas Fast Simulation (Atlfast)
  • Jet Reconstruction Pt.1 (KtJet)
  • Jet Reconstruction Pt. 2 (JetRec)
  • Physics Analysis Package (PAP)
  • Quality Assurance (QA)
  • Graphics (JiveXML & Atlantis)
  • Physics Studies

Jonathan Couchman

ucl atlas software team
UCL Atlas Software Team
  • Jon Butterworth
  • Jon Couchman
  • Janice Drohan
  • Nikos Konstantinidis
  • Peter Sherwood
  • Ben Waugh

Jonathan Couchman

atlfast j couchman p sherwood
AtlfastJ. Couchman & P. Sherwood
  • Fast Simulation of Atlas Detector
  • Objected Orientated C++ implementation
  • Basic Reconstruction
  • Simple Smearing Parameterizations
  • Extensions
    • Massive Jets
    • KT Clustering Algorithm
    • Fast Shower

Jonathan Couchman

atlfast j couchman p sherwood2
AtlfastJ. Couchman & P. Sherwood

Unsmeared

Smeared

Jonathan Couchman

ktjet j butterworth j couchman b waugh b cox man
KtJetJ. Butterworth, J. Couchman, B. Waugh & B. Cox (Man.)
  • OO implementation of KT clustering Algorithm
  • Written in C++
  • Optimized For Performance
  • Identical Results to Fortran
  • Much Faster That Fortran
  • Easily Extendable
  • www.ktjet.org

Jonathan Couchman

ktjet j butterworth j couchman b waugh b cox man1
KtJetJ. Butterworth, J. Couchman, B. Waugh & B. Cox (Man.)

Program

Fortran (DP)

KtJet (DP)

KtJet (SP)

Jonathan Couchman

jetrec j couchman
JetRecJ. Couchman
  • Interface Atlfast With Jet Reconstruction
  • Implement KtJet in Atlas Frame Work
    • KtJet Main (only?) reconstruction Algorithm!

Develop new JetRec Algorithms

    • Seeded Cone
    • Seedless Cone

Jonathan Couchman

pap j couchman p sherwood
PAPJ. Couchman, P. Sherwood
  • Common Atlas Analysis Interfaces
  • Useful C++ Utility Programs
  • Example Analysis Algorithms

Jonathan Couchman

atlas qa p sherwood
Atlas QAP. Sherwood
  • Improve Productivity By Increasing Quality
  • Reviews
  • Standards
  • Tools
  • Documentation

Jonathan Couchman

slide13
JiveXML & AtlantisJ. Couchman, J. Drohan, N. Konstantinidis, P. Sherwood,H. Drevermann (CERN) & G. Taylor (Santa Cruz)
  • Atlas Graphical Event Display (and much more!)

Jonathan Couchman

physics studies j couchman j butterworth b cox man f nauyock man
Physics StudiesJ. Couchman, J. Butterworth, B. Cox (Man.) & F. Nauyock (Man.)
  • WW scattering

Jonathan Couchman

physics studies j couchman j butterworth b cox man f nauyock man1
Physics StudiesJ. Couchman, J. Butterworth, B. Cox (Man.) & F. Nauyock (Man.)
  • Using Atlfast Generate
    • 500K Signal Events
    • 5M+ Background Events
  • Use Both Kt and Cone Clustering Algo’s
  • Find Parameters For “Best” Resolutions
  • Compare Results
    • Cone to Kt
    • Simulated to Generated Events

Jonathan Couchman

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