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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. UCL Atlas Software Team. Jon Butterworth Jon Couchman

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UCL Atlas Software Work

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  1. 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

  2. UCL Atlas Software Team • Jon Butterworth • Jon Couchman • Janice Drohan • Nikos Konstantinidis • Peter Sherwood • Ben Waugh Jonathan Couchman

  3. 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

  4. AtlfastJ. Couchman & P. Sherwood Jonathan Couchman

  5. AtlfastJ. Couchman & P. Sherwood Unsmeared Smeared Jonathan Couchman

  6. 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

  7. KtJetJ. Butterworth, J. Couchman, B. Waugh & B. Cox (Man.) Program Fortran (DP) KtJet (DP) KtJet (SP) Jonathan Couchman

  8. KtJetJ. Butterworth, J. Couchman, B. Waugh & B. Cox (Man.) Jonathan Couchman

  9. KtJetJ. Butterworth, J. Couchman, B. Waugh & B. Cox (Man.) Jonathan Couchman

  10. 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

  11. PAPJ. Couchman, P. Sherwood • Common Atlas Analysis Interfaces • Useful C++ Utility Programs • Example Analysis Algorithms Jonathan Couchman

  12. Atlas QAP. Sherwood • Improve Productivity By Increasing Quality • Reviews • Standards • Tools • Documentation Jonathan Couchman

  13. 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

  14. Jonathan Couchman

  15. Jonathan Couchman

  16. Jonathan Couchman

  17. Physics StudiesJ. Couchman, J. Butterworth, B. Cox (Man.) & F. Nauyock (Man.) • WW scattering Jonathan Couchman

  18. 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

  19. Physics StudiesJ. Couchman, J. Butterworth, B. Cox (Man.) & F. Nauyock (Man.) Jonathan Couchman

  20. Physics StudiesJ. Couchman, J. Butterworth, B. Cox (Man.) & F. Nauyock (Man.) Jonathan Couchman

  21. Jonathan Couchman

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