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MadGraph / MadEvent

MadGraph / MadEvent. Workshop 1 Renormalization / Callibration. 5. 5. Goals. 8. RoadMap. Motivation, Introduction Hadronic Event Generation Analysis and Outlook. A Great Time In Physics. 9. A Great Time In Physics. 11. The Challenge. 1 / 1,000,000,000. 14. KEY. 16.

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MadGraph / MadEvent

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  1. MadGraph/MadEvent Workshop 1 Renormalization / Callibration 5

  2. 5

  3. Goals 8

  4. RoadMap • Motivation, Introduction • Hadronic Event Generation • Analysis and Outlook

  5. A Great Time In Physics 9

  6. A Great Time In Physics 11

  7. The Challenge 1 / 1,000,000,000 14

  8. KEY 16

  9. Form teams of 3 At least 1 computer At most 2 computers 20

  10. Discoveries at hadron colliders(adapted from MLM) Peak (easy) Shape (medium) Rate (hard) 22

  11. SuperSymmetry at LHC 23

  12. New MC shows much harder! 24

  13. Discovery Path @ LHC • Rediscover Standard Model • Identify excess • Identify nature of excess • Repeat 26

  14. Standard Model d u d Matter Leptons Quarks Force Carriers d u u e- d n 30

  15. Details 32

  16. Perturbation Theory 34

  17. Example: e+e- → m+m- Scattering cross section Feynman Diagrams 37

  18. Feynman Rules! Partial list from SM 38

  19. These are basic building blocks, combine to form “allowed” diagrams e.g. u u~ -> t t~ Draw Feynman diagrams: gg -> tt~ (gg -> bb~ e+ ve j j ) gg -> tt~h Determine “order” for each diagram Feynman Rules! Order is QCD2 22 45

  20. 50

  21. Register http://madgraph.hep.uiuc.edu/ 60

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