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            |   | 3 | == !MonteCarlo and Tools for the LHC == | 
          
          
            |   | 4 | ====== TAE School, Barcelona Sept 2010 ====== | 
          
          
            |   | 5 |  | 
          
          
            |   | 6 | 3x1h Lectures are given on MC's developments for the LHC. | 
          
          
            |   | 7 |  | 
          
          
            |   | 8 | The PDF of the lectures can be found [attachment:maltoni-tae-2010.pdf here]. | 
          
          
            |   | 9 |  | 
          
          
            |   | 10 | The examples and exercises are related to physics at the LHC. | 
          
          
            |   | 11 |  | 
          
          
            |   | 12 | === Basic aspects of QCD === | 
          
          
            |   | 13 |  | 
          
          
            |   | 14 | Here I collect some material for exercises. | 
          
          
            |   | 15 |  | 
          
          
            |   | 16 | ===== Various Tests and exercises ===== | 
          
          
            |   | 17 |  | 
          
          
            |   | 18 | A collection of test, exercises, and web applications on the basics of pQCD can be found in [attachment:QCD-exercises.pdf QCD-exercises.pdf]. | 
          
          
            |   | 19 |  | 
          
          
            |   | 20 | ===== Going NLO ===== | 
          
          
            |   | 21 |  | 
          
          
            |   | 22 |    1. pp>H at LO (1-loop): details of the calculation (Mathematica Notebook) [attachment:HiggsGG-LO-mtfinite.nb HiggsGG-LO-mtfinite.nb] | 
          
          
            |   | 23 |    1. pp>H at NLO: details of the calculation (Mathematica Notebook) [attachment:HiggsGG-NLO.nb higgsGG-NLO.nb] | 
          
          
            |   | 24 |    1. pp>H at NLO: cross section evaluation for the LHC (Mathematica Notebook+PDF libraries to be compiled) [attachment:phenHiggs.tar.gz phenHiggs.tar.gz]. | 
          
          
            |   | 25 |  | 
          
          
            |   | 26 | A summary of the results can be found in [attachment:Higgs.pdf Higgs.pdf]. | 
          
          
            |   | 27 |  | 
          
          
            |   | 28 | === Selected exercises on QCD that can be solved with a Matrix Element generator. === | 
          
          
            |   | 29 |  | 
          
          
            |   | 30 |    * [:DeadCone:Radiation from heavy quarks]: the dead cone in %$e^+e^- \to Q \bar Q g$%. | 
          
          
            |   | 31 |    * [:GluonSpin:Spin of the gluon]: Vector vs scalar in the angular correlations of %$ e^+ e^- \to$% 4 jets. | 
          
          
            |   | 32 |    * [:2Jets:Jets] : Di-jet kinematics and rates in pp collisions. | 
          
          
            |   | 33 |    * [:3Jets:3 Jets] : Energy distributions in 3-jet events in pp collisions. | 
          
          
            |   | 34 |    * [:tt:top production] : %$t \bar t$% production, Tevatron vs LHC. | 
          
          
            |   | 35 |    * [:WAsymm:Drell-Yan]: rapidity asymmetry at the Tevatron and LHC. | 
          
          
            |   | 36 |    * [:TopDecaySpinCorrelations: Spin correlations in top decay], by [http://www.hep.phy.cam.ac.uk/theory/webber/ Bryan Webber]. | 
          
          
            |   | 37 |  | 
          
          
            |   | 38 | === Monte Carlo integration === | 
          
          
            |   | 39 |  | 
          
          
            |   | 40 | A short introduction to the techniques of Monte Carlo integration. Exercises proposed during lecture are collected in this Mathematica Notebook: [attachment:mc101.nb mc101.nb]. | 
          
          
            |   | 41 |  | 
          
          
            |   | 42 | === LHC Phenomenology === | 
          
          
            |   | 43 |  | 
          
          
            |   | 44 |    * [:DiscoverTheHiggs:SM Higgs discovery at the LHC]: Three important channels | 
          
          
            |   | 45 |    * [:WarmingUpChallenge:Simple Black Boxes]: New gauge bosons | 
          
          
            |   | 46 |  | 
          
          
            |   | 47 | === How to familiarize with Software.MadGraph === | 
          
          
            |   | 48 |  | 
          
          
            |   | 49 | All exercises proposed can be "solved" or checked with Software.MadGraph / Software.MadEvent. Here is how to familiarize with the code. | 
          
          
            |   | 50 |  | 
          
          
            |   | 51 |    * Logon to the Software.MadGraph web site and register. | 
          
          
            |   | 52 |  | 
          
          
            |   | 53 |    * Familiarize with the code by generating a few processes in QED and QCD trying to guess which diagrams appear. What is the minimum number of jets have to be asked for in %$e^+e^-$% collisions so that the triple gauge vertex appear? | 
          
          
            |   | 54 |  | 
          
          
            |   | 55 |    * Look at the new physics models and check the particle and interactions content. | 
          
          
            |   | 56 |  | 
          
          
            |   | 57 |    * Generate events for a few selected processes and look at the plots:  | 
          
          
            |   | 58 |       * ttbar production with decays: pp>tt~>bb~mu+e-ve~vm | 
          
          
            |   | 59 |       * VV production: pp>VV> leptons, with V=Z,W. | 
          
          
            |   | 60 |       * Single top + Higgs: pp>tHj (QCD=0, QED=3, j=gudsc,p=gudscb). Show that there is a large negative interference between the diagrams | 
          
          
            |   | 61 |  | 
          
          
            |   | 62 | -- Main.FabioMaltoni - 2010-08-14 | 
          
          
            |   | 63 |  | 
          
          
            |   | 64 |  |