Changes between Version 1 and Version 2 of HEPTOOLS08
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- Apr 6, 2012, 4:33:02 PM (12 years ago)
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HEPTOOLS08
v1 v2 6 6 === Lectures === 7 7 8 Find [attachment:maltoni_lectures.pdf here] the pdf of the 4 hour lecture on "Monte Carlo's for the LHC" by Fabio Maltoni. <br>8 Find [attachment:maltoni_lectures.pdf here] the pdf of the 4 hour lecture on "Monte Carlo's for the LHC" by Fabio Maltoni.[[br]] 9 9 Find [http://www.pd.infn.it/~passera/JC_2007-08/frixione.html here] a very nice course on QCD and MC by Stefano Frixione. 10 10 … … 26 26 === Exercises === 27 27 28 All exercises proposed here can be "solved" or checked with Software.MadGraph / Software.MadEvent. To familiarize with the code click [ :MGFamiliarize:here].28 All exercises proposed here can be "solved" or checked with Software.MadGraph / Software.MadEvent. To familiarize with the code click [wiki:MGFamiliarize here]. 29 29 30 30 31 * [ :DeadCone:Radiation from heavy quarks]: the dead cone in %$e^+e^- \to Q \bar Q g$%.32 * [ :GluonSpin:Spin of the gluon]: Vector vs scalar in the angular correlations of %$ e^+ e^- \to$%4 jets.33 * [ :2Jets:Jets] : Di-jet kinematics and rates in pp collisions.34 * [ :3Jets:3 Jets] : Energy distributions in 3-jet events.35 * [ :TopDecaySpinCorrelations:Spin correlations in top decay].36 * [ :tt:top production] : %$t \bar t$%production, Tevatron vs LHC.37 * [ :SimpleKinematics:Kinematics at the LHC]: single particle quantities.31 * [wiki:DeadCone Radiation from heavy quarks]: the dead cone in $e^+e^- \to Q \bar Q g$. 32 * [wiki:GluonSpin Spin of the gluon]: Vector vs scalar in the angular correlations of $ e^+ e^- \to$ 4 jets. 33 * [wiki:2Jets Jets] : Di-jet kinematics and rates in pp collisions. 34 * [wiki:3Jets 3 Jets] : Energy distributions in 3-jet events. 35 * [wiki:TopDecaySpinCorrelations Spin correlations in top decay]. 36 * [wiki:tt top production] : $t \bar t$ production, Tevatron vs LHC. 37 * [wiki:SimpleKinematics Kinematics at the LHC]: single particle quantities. 38 38 39 39 Reference: [http://www.hep.phy.cam.ac.uk/theory/webber/QCDbook.html QCD and Collider Physics] … … 47 47 Choose a channel and investigate signal and background: 48 48 49 1. The 4 lepton final state: %$pp \to H\to Z Z \to e^+e^- \mu^+ \mu^-$%49 1. The 4 lepton final state: $pp \to H\to Z Z \to e^+e^- \mu^+ \mu^-$ 50 50 * Signal 51 51 * Events: [http://cp3wks05.fynu.ucl.ac.be/twiki/pub/Physics/h4l-signal.lhe.gz Parton Level] [http://cp3wks05.fynu.ucl.ac.be/twiki/pub/Physics/h4l-signal.lhco.gz Detector Level] … … 54 54 * Events: [http://cp3wks05.fynu.ucl.ac.be/twiki/pub/Physics/h4l.lhe.gz Parton Level] [http://cp3wks05.fynu.ucl.ac.be/twiki/pub/Physics/h4l.lhco.gz Detector Level] 55 55 <!-- * Plots: [http://cp3wks05.fynu.ucl.ac.be/twiki/pub/Physics/h4l-lhe.pdf Parton Level] [http://cp3wks05.fynu.ucl.ac.be/twiki/pub/Physics/h4l-lhco.pdf Detector Level] --> 56 1. The 2 lepton + missing Et final state: %$pp \to H\to W^+ W^- \to e^- \bar \nu_e \mu^+ \nu_\mu $%56 1. The 2 lepton + missing Et final state: $pp \to H\to W^+ W^- \to e^- \bar \nu_e \mu^+ \nu_\mu $ 57 57 * Signal 58 58 * Events: [http://cp3wks05.fynu.ucl.ac.be/twiki/pub/Physics/hww-signal.lhe.gz Parton Level] [http://cp3wks05.fynu.ucl.ac.be/twiki/pub/Physics/hww-signal.lhco.gz Detector Level] … … 61 61 * Events: [http://cp3wks05.fynu.ucl.ac.be/twiki/pub/Physics/hww-background.lhe.gz Parton Level] [http://cp3wks05.fynu.ucl.ac.be/twiki/pub/Physics/hww-background.lhco.gz Detector Level] 62 62 <!-- * Plots: [http://cp3wks05.fynu.ucl.ac.be/twiki/pub/Physics/hww-background-lhe.pdf Parton Level] [http://cp3wks05.fynu.ucl.ac.be/twiki/pub/Physics/hww-background-lhco.pdf Detector Level] --> 63 1. Top associated production %$pp \to t\bar tH$% with %$H \to b \bar b$%63 1. Top associated production $pp \to t\bar tH$ with $H \to b \bar b$ 64 64 * Signal + Background samples: 65 65 * Events: [http://cp3wks05.fynu.ucl.ac.be/twiki/pub/Physics/ttb.lhe.gz Parton Level] [attachment:ttbb.lhco.gz Detector Level] … … 81 81 82 82 Useful extra information: 83 * In the plots %$H_T=\sum ||p_T^{vis}|| + E_T^{miss}$%.83 * In the plots $H_T=\sum ||p_T^{vis}|| + E_T^{miss}$. 84 84 * A SM-like Z' would decay (more or less democratically) into: jet jet (uu~,cc~,dd~,ss~,bb~), t tbar (tt~), lept+lept- (e+e-,mu+mu-,ta+ta-), neutrino anti-neutrino (ve ve~,vm vm~,vt vt~). It could also have couplings to SM W and Z, and in that case would decay in to ZZ and W+W-. 85 85 * An Higgs couple to particles with a strength which is proportional to the particle masses. A SM-like heavy H would decay in to t tbar (tt~), W+W-, ZZ. … … 107 107 108 108 109