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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 sherwood1
AtlfastJ. Couchman & P. Sherwood

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


Ktjet j butterworth j couchman b waugh b cox man2
KtJetJ. Butterworth, J. Couchman, B. Waugh & B. Cox (Man.)

Jonathan Couchman


Ktjet j butterworth j couchman b waugh b cox man3
KtJetJ. Butterworth, J. Couchman, B. Waugh & B. Cox (Man.)

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


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


Physics studies j couchman j butterworth b cox man f nauyock man2
Physics StudiesJ. Couchman, J. Butterworth, B. Cox (Man.) & F. Nauyock (Man.)

Jonathan Couchman


Physics studies j couchman j butterworth b cox man f nauyock man3
Physics StudiesJ. Couchman, J. Butterworth, B. Cox (Man.) & F. Nauyock (Man.)

Jonathan Couchman



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