\contentsline {part}{I\hspace {1em}STANDARD MODEL BENCHMARKS AND BACKGROUNDS}{3} \contentsline {section}{\numberline {1.}Model predictions for $\sigma ^{\rm tot}$ at the LHC}{3} \contentsline {subsection}{\numberline {1.1}Introduction}{3} \contentsline {subsection}{\numberline {1.2}Phenomenological models}{4} \contentsline {subsection}{\numberline {1.3}Model predictions for \unhbox \voidb@x \hbox {$\sigma _{\rm tot}^{\rm pp}$}\ at the LHC}{7} \contentsline {subsection}{\numberline {1.4}Conclusions}{9} \contentsline {section}{\numberline {2.}Tuning models for minimum bias and the underlying event}{9} \contentsline {subsection}{\numberline {2.1}Introduction}{9} \contentsline {subsection}{\numberline {2.2}Minimum bias events}{9} \contentsline {subsubsection}{\numberline {2.21}Predictions vs. minimum bias data}{9} \contentsline {subsubsection}{\numberline {2.22}LHC predictions for minimum bias events}{11} \contentsline {subsection}{\numberline {2.3}Underlying event}{12} \contentsline {subsubsection}{\numberline {2.31}JIMMY4.1 tuning}{12} \contentsline {subsubsection}{\numberline {2.32}Predictions vs. UE data}{12} \contentsline {subsubsection}{\numberline {2.33}LHC predictions for the UE}{13} \contentsline {subsection}{\numberline {2.4}Conclusions}{13} \contentsline {section}{\numberline {3.}Small $x$}{15} \contentsline {subsection}{\numberline {3.1}Low-$x$ physics and $W$ and $Z$ production at the LHC\nobreakspace {}\footnote {Author: M.\nobreakspace {}Cooper-Sarkar}}{16} \contentsline {subsubsection}{\numberline {3.11}Introduction}{16} \contentsline {subsubsection}{\numberline {3.12}$W$ and $Z$ Production at the LHC}{17} \contentsline {subsubsection}{\numberline {3.13}How well can we actually measure $W$ spectra at the LHC?}{22} \contentsline {subsubsection}{\numberline {3.14}Using LHC data to improve precision of PDFs}{23} \contentsline {subsubsection}{\numberline {3.15}Conclusions}{24} \contentsline {subsection}{\numberline {3.2}Resummed Perturbative Evolution at High Energy\nobreakspace {}\footnote {Author: R.D.\nobreakspace {}Ball}}{24} \contentsline {subsubsection}{\numberline {3.21}Introduction}{24} \contentsline {subsubsection}{\numberline {3.22}High Energy Duality}{25} \contentsline {subsubsection}{\numberline {3.23}Results}{27} \contentsline {subsection}{\numberline {3.3}Hunting BFKL at Hadron Colliders\nobreakspace {}\footnote {Author: V.\nobreakspace {}Del\nobreakspace {}Duca}}{31} \contentsline {subsubsection}{\numberline {3.31}Introduction}{31} \contentsline {subsubsection}{\numberline {3.32}Jets at large rapidity intervals}{31} \contentsline {section}{\numberline {4.}Parton-parton luminosity functions for the LHC}{32} \contentsline {subsection}{\numberline {4.1}Introduction}{32} \contentsline {subsection}{\numberline {4.2}Conclusions}{35} \contentsline {section}{\numberline {5.}A simple model for large-$x$ resummed parton distributions}{35} \contentsline {section}{\numberline {6.}Bottom-quark fragmentation: from $e^+e^-$ data to top and Higgs decays}{42} \contentsline {subsection}{\numberline {6.1}Introduction}{42} \contentsline {subsection}{\numberline {6.2}Bottom-quark production and multi-parton radiation}{43} \contentsline {subsection}{\numberline {6.3}\relax \mathversion {bold}{$B$}-hadron spectrum in \relax \mathversion {bold}{$x_B$}-space}{44} \contentsline {subsection}{\numberline {6.4}Results in moment space}{45} \contentsline {subsection}{\numberline {6.5}Conclusions}{46} \contentsline {section}{\numberline {7.}Study of jet clustering algorithms at the LHC}{46} \contentsline {subsection}{\numberline {7.1}Introduction}{46} \contentsline {subsection}{\numberline {7.2}Jet clustering algorithms }{47} \contentsline {subsection}{\numberline {7.3}Event generation}{47} \contentsline {subsection}{\numberline {7.4}Event selection }{47} \contentsline {subsection}{\numberline {7.5}Description of the quality markers }{48} \contentsline {subsubsection}{\numberline {7.51}Event selection efficiency ``$\epsilon _{s}$'':}{48} \contentsline {subsubsection}{\numberline {7.52}Angular distance between jet and parton ``Frac $\alpha _{jp}^{max}$'':}{48} \contentsline {subsubsection}{\numberline {7.53}Energy difference ``Frac $\beta _{jp}^{max}$'':}{48} \contentsline {subsubsection}{\numberline {7.54}Combined variable ``Frac($\alpha _{jp}^{max}$+$\beta _{jp}^{max}$)'':}{49} \contentsline {subsubsection}{\numberline {7.55}Overall quality marker "FracGood"}{49} \contentsline {subsection}{\numberline {7.6}Results}{50} \contentsline {subsubsection}{\numberline {7.61}Iterative cone algorithm}{50} \contentsline {subsubsection}{\numberline {7.62}Inclusive \textrm {$k_{T}$} algorithm}{50} \contentsline {subsubsection}{\numberline {7.63}Midpoint cone algorithm}{51} \contentsline {subsubsection}{\numberline {7.64}Summary of the main observations}{51} \contentsline {subsubsection}{\numberline {7.65}Correlation between optimized configurations}{52} \contentsline {subsubsection}{\numberline {7.66}Robustness of the method against hard radiation }{52} \contentsline {subsection}{\numberline {7.7}Conclusions}{53} \contentsline {section}{\numberline {8.}Colour annealing --- a toy model of colour reconnections}{54} \contentsline {subsection}{\numberline {8.1}Introduction}{54} \contentsline {subsection}{\numberline {8.2}Colour Reconnections }{55} \contentsline {subsection}{\numberline {8.3}Our Toy Model --- Colour Annealing}{56} \contentsline {subsection}{\numberline {8.4}Results }{57} \contentsline {subsection}{\numberline {8.5}Conclusions }{59} \contentsline {section}{\numberline {9.}Tuned comparison of electroweak corrections to Drell--Yan-like $W$- and $Z$-boson production -- a status report}{59} \contentsline {subsection}{\numberline {9.1}Introduction}{59} \contentsline {subsection}{\numberline {9.2}Different approaches and codes}{60} \contentsline {subsection}{\numberline {9.3}Common setup for the calculations}{61} \contentsline {subsubsection}{\numberline {9.31}Input parameters and scheme definitions}{61} \contentsline {subsubsection}{\numberline {9.32}Phase-space cuts and event selection}{61} \contentsline {subsection}{\numberline {9.4}Numerical results}{62} \contentsline {subsubsection}{\numberline {9.41}W-boson production}{62} \contentsline {subsubsection}{\numberline {9.42}Z-boson production}{62} \contentsline {section}{\numberline {10.}Electroweak corrections to large transverse momentum production of $Z$ bosons and photons at the LHC}{65} \contentsline {subsection}{\numberline {10.1}Introduction}{65} \contentsline {subsection}{\numberline {10.2}Calculation}{65} \contentsline {subsubsection}{\numberline {10.21}Analytical results}{66} \contentsline {subsubsection}{\numberline {10.22}Numerical results}{67} \contentsline {subsection}{\numberline {10.3}Conclusions}{69} \contentsline {subsection}{\numberline {10.4}Acknowledgements}{70} \contentsline {section}{\numberline {11.}Impact of weak corrections on LHC jet cross sections}{70} \contentsline {subsection}{\numberline {11.1}Weak corrections at TeV scales}{70} \contentsline {subsection}{\numberline {11.2}Corrections to jet production}{70} \contentsline {subsection}{\numberline {11.3}Conclusions}{71} \contentsline {section}{\numberline {12.}Search for anomalous couplings in top decay at hadron colliders}{72} \contentsline {subsection}{\numberline {12.1}Introduction}{72} \contentsline {subsection}{\numberline {12.2}Anomalous couplings in top decay vertex}{73} \contentsline {subsection}{\numberline {12.3}Effective spin reconstruction}{73} \contentsline {subsection}{\numberline {12.4}Simulation}{75} \contentsline {subsection}{\numberline {12.5}Sensitivity study}{76} \contentsline {subsection}{\numberline {12.6}Conclusions}{78} \contentsline {section}{\numberline {13.}Effective NLO approach in the model of single top quark production}{80} \contentsline {subsection}{\numberline {13.1}Introduction}{80} \contentsline {subsection}{\numberline {13.2}Overview of the effective NLO approach}{80} \contentsline {subsection}{\numberline {13.3}Practical implementation of the method in generator SingleTop}{81} \contentsline {subsection}{\numberline {13.4}Comparison of the results}{82} \contentsline {section}{\numberline {14.}Progress in ${\rm W^+ W^-}$ production at the LHC}{83} \contentsline {subsection}{\numberline {14.1}Soft-gluon effects in ${\rm W^+ W^-}$ production\nobreakspace {}\footnote {Author: M.\nobreakspace {}Grazzini}}{84} \contentsline {subsection}{\numberline {14.2}Gluon-induced ${\rm W^+W^-}$ background to Higgs boson searches\nobreakspace {}\footnote {Authors: T.\nobreakspace {}Binoth, M.\nobreakspace {}Ciccolini, N.\nobreakspace {}Kauer, M.\nobreakspace {}Kr\"{a}mer}}{88} \contentsline {subsubsection}{\numberline {14.21}Introduction}{88} \contentsline {subsubsection}{\numberline {14.22}Results }{88} \contentsline {subsubsection}{\numberline {14.23}Conclusions }{90} \contentsline {subsection}{\numberline {14.3}Effect of parton showering on gluon-induced ${\rm W^+W^-}$ production\nobreakspace {}\footnote {Authors: G.\nobreakspace {}Davatz, A.-S.\nobreakspace {}Giolo-Nicollerat, M.\nobreakspace {}Zanetti}}{91} \contentsline {subsection}{\numberline {14.4}Modeling the production of $W$ pairs\nobreakspace {}\footnote {Authors: V.\nobreakspace {}Drollinger, M.\nobreakspace {}D\"uhrssen}}{92} \contentsline {subsubsection}{\numberline {14.41}Introduction}{92} \contentsline {paragraph}{Event Generators}{93} \contentsline {paragraph}{Event Selection}{93} \contentsline {subsubsection}{\numberline {14.42}Results and discussion}{93} \contentsline {paragraph}{Comparison of Generators}{93} \contentsline {paragraph}{Theoretical Uncertainties at NLO}{95} \contentsline {paragraph}{Contribution from ${\rm g g \rightarrow W^+ W^-}$}{95} \contentsline {subsubsection}{\numberline {14.43}Analyzing the transverse Mass Distribution of W Pairs}{96} \contentsline {paragraph}{Defining signal and normalization regions}{96} \contentsline {paragraph}{Normalizing the ${M^\prime _T}$ shape for ${\rm q\mathaccent "7016\relax {q} \to W^+W^-}$}{97} \contentsline {section}{\numberline {15.}Top background generation for the $H\to WW$ channel}{99} \contentsline {subsection}{\numberline {15.1}Introduction}{99} \contentsline {subsection}{\numberline {15.2}Generating top background}{99} \contentsline {subsection}{\numberline {15.3}Comparison between HERWIG and MC@NLO}{100} \contentsline {subsection}{\numberline {15.4}Effect of showering models, differences between HERWIG and PYTHIA}{101} \contentsline {subsection}{\numberline {15.5}Effect of the spin correlations}{102} \contentsline {section}{\numberline {16.}Estimation of $t\mathaccent "7016\relax {t}$ background for $H\to WW$ channel}{103} \contentsline {subsection}{\numberline {16.1}$\rm t \mathaccent "7016\relax {t}$ normalization from data}{103} \contentsline {subsubsection}{\numberline {16.11}b-tagging jets based $\rm t\mathaccent "7016\relax {t}$ normalization}{105} \contentsline {subsubsection}{\numberline {16.12}Two high $E_t$ jets based $\rm t\mathaccent "7016\relax {t}$ normalization}{105} \contentsline {subsection}{\numberline {16.2}$\rm t\mathaccent "7016\relax {t}$ normalization procedure uncertainties}{106} \contentsline {subsubsection}{\numberline {16.21}Systematics uncertainties}{106} \contentsline {subsubsection}{\numberline {16.22}Statistical uncertainties}{108} \contentsline {section}{\numberline {17.}Single resonant top production as background to the $H\to WW$ search}{108} \contentsline {section}{\numberline {18.}Study of PDF and QCD scale uncertainties in $pp \rightarrow ZZ \rightarrow 4\mu $ events at the LHC}{110} \contentsline {subsection}{\numberline {18.1}Introduction}{110} \contentsline {subsection}{\numberline {18.2}Event Generation}{110} \contentsline {subsection}{\numberline {18.3}Definition of observables and event selection }{111} \contentsline {subsection}{\numberline {18.4}Study of uncertainties from PDF and QCD scales}{111} \contentsline {subsection}{\numberline {18.5}Normalization to Drell-Yan}{114} \contentsline {subsection}{\numberline {18.6}Acknowledgments}{114} \contentsline {section}{\numberline {19.}Relative contributions of $t$- and $s$-channels to the ${ZZ \rightarrow 4 \mu }$ process}{114} \contentsline {subsection}{\numberline {19.1}Introduction}{114} \contentsline {subsection}{\numberline {19.2}Event Generation}{115} \contentsline {subsection}{\numberline {19.3}Event selection and analysis cuts}{115} \contentsline {subsection}{\numberline {19.4}CompHEP vs. PYTHIA: comparison of t-channel only samples}{116} \contentsline {subsection}{\numberline {19.5}Comparison of t- and s-channel sample (CompHEP) vs. t-channel sample only (pure-PYTHIA)}{116} \contentsline {subsection}{\numberline {19.6}Summary}{118} \contentsline {section}{\numberline {20.}Sensitivity of the muon isolation cut efficiency to the underlying event uncertainties}{119} \contentsline {subsection}{\numberline {20.1}Introduction}{119} \contentsline {subsection}{\numberline {20.2}Event generation parameters for PYTHIA}{119} \contentsline {subsection}{\numberline {20.3}Monte Carlo sample production}{120} \contentsline {subsection}{\numberline {20.4}Event selection}{120} \contentsline {subsection}{\numberline {20.5}Tracker-based muon isolation cut efficiency}{120} \contentsline {subsubsection}{\numberline {20.51}Sensitivity to kinematical cuts}{121} \contentsline {subsubsection}{\numberline {20.52}Evaluation of the muon isolation cut efficiency from data using random-cone directions}{121} \contentsline {subsubsection}{\numberline {20.53}${\rm 4\mu }$ Isolation cut efficiency per event}{121} \contentsline {subsection}{\numberline {20.6}Summary}{123} \contentsline {subsection}{\numberline {20.7}Acknowledgments}{124} \contentsline {part}{II\hspace {1em}HIGGS PHYSICS}{124} \contentsline {section}{\numberline {21.}$gg\rightarrow H$ at the LHC: uncertainty due to a jet veto}{124} \contentsline {subsection}{\numberline {21.1}Overview}{124} \contentsline {subsection}{\numberline {21.2}Comparing PYTHIA with $\rm Q^2$ ordered showering, HERWIG and MC@NLO}{125} \contentsline {subsection}{\numberline {21.3}HERWIG + Matrix Element Corrections and PYTHIA with new $\rm p_T$ ordered shower model}{126} \contentsline {subsection}{\numberline {21.4}MC@NLO: Effect of varying the factorization and renormalization scale}{128} \contentsline {section}{\numberline {22.}Comparison between MCFM and PYTHIA for the $gb\rightarrow bh$ and $gg\rightarrow bbh$ processes at the LHC}{129} \contentsline {subsection}{\numberline {22.1}Introduction}{129} \contentsline {subsection}{\numberline {22.2}Simulation setup}{129} \contentsline {subsection}{\numberline {22.3}Comparison of PYTHIA and MCFM at leading order}{129} \contentsline {subsection}{\numberline {22.4}Comparison of next-to-leading order MCFM and PYTHIA}{130} \contentsline {subsection}{\numberline {22.5}Conclusions}{131} \contentsline {section}{\numberline {23.}Higgs production in association with bottom quarks}{131} \contentsline {subsection}{\numberline {23.1}Introduction}{131} \contentsline {subsection}{\numberline {23.2}Formalism}{135} \contentsline {subsection}{\numberline {23.3}Finite $b$ mass}{136} \contentsline {subsection}{\numberline {23.4}Top loop}{138} \contentsline {subsection}{\numberline {23.5}Four- and five-flavor parton distribution functions}{138} \contentsline {subsection}{\numberline {23.6}NNLO parton distribution functions}{139} \contentsline {subsection}{\numberline {23.7}Resummation}{140} \contentsline {subsection}{\numberline {23.8}Conclusions}{141} \contentsline {section}{\numberline {24.}Associated $t\mathaccent "7016\relax {t}H$ production with $H\rightarrow \gamma \gamma $ at the LHC}{141} \contentsline {subsection}{\numberline {24.1}Introduction}{141} \contentsline {subsection}{\numberline {24.2}Signal production cross-sections and event rates}{142} \contentsline {subsection}{\numberline {24.3}Identified background processes and event generation}{142} \contentsline {subsection}{\numberline {24.4}Description of preselections}{144} \contentsline {subsection}{\numberline {24.5}Description of preliminary particle-level selection}{145} \contentsline {subsection}{\numberline {24.6}Preliminary particle-level results for the Standard Model Higgs boson}{145} \contentsline {subsection}{\numberline {24.7}Conclusions and future work}{146} \contentsline {section}{\numberline {25.}Study of $bbZ$ as a benchmark for MSSM $bbH$}{148} \contentsline {subsection}{\numberline {25.1}Introduction}{148} \contentsline {subsection}{\numberline {25.2}Cross sections}{148} \contentsline {subsection}{\numberline {25.3}Detector simulation}{149} \contentsline {subsection}{\numberline {25.4}Event selection}{149} \contentsline {subsubsection}{\numberline {25.41}Trigger}{149} \contentsline {subsubsection}{\numberline {25.42}Offline selection}{149} \contentsline {subsection}{\numberline {25.5}Results}{151} \contentsline {subsubsection}{\numberline {25.51}Mass reconstruction}{151} \contentsline {subsubsection}{\numberline {25.52}Verification of Monte Carlo}{151} \contentsline {subsubsection}{\numberline {25.53}Systematic uncertainties}{152} \contentsline {subsection}{\numberline {25.6}Conclusions}{153} \contentsline {section}{\numberline {26.}Data-driven background determination in the channel $H\rightarrow WW\rightarrow l\nu l\nu $ with no hard jets}{153} \contentsline {subsection}{\numberline {26.1}Introduction}{153} \contentsline {subsection}{\numberline {26.2}Monte Carlo and analysis method}{153} \contentsline {subsection}{\numberline {26.3}Theoretical uncertainties in the WW background}{155} \contentsline {subsection}{\numberline {26.4}Theoretical uncertainties in the top background}{156} \contentsline {subsection}{\numberline {26.5}Summary}{157} \contentsline {subsection}{\numberline {26.6}Acknowledgement}{157} \contentsline {section}{\numberline {27.}Electroweak corrections to the Higgs decays $H\to ZZ/WW\to 4$ leptons}{157} \contentsline {subsection}{\numberline {27.1}Introduction}{157} \contentsline {subsection}{\numberline {27.2}Calculational details}{158} \contentsline {subsection}{\numberline {27.3}Numerical results}{159} \contentsline {subsection}{\numberline {27.4}Conclusions}{161} \contentsline {section}{\numberline {28.}Boson boson scattering at the LHC with PHASE}{161} \contentsline {subsection}{\numberline {28.1}Introduction}{161} \contentsline {subsubsection}{\numberline {28.11}Physical sub-processes}{163} \contentsline {subsection}{\numberline {28.2}The $\unhbox \voidb@x \hbox {${\@mathrm V}{\@mathrm V}$}\xspace $-fusion signal}{163} \contentsline {subsection}{\numberline {28.3}Higgs production in {\tt PHASE}\xspace }{165} \contentsline {subsection}{\numberline {28.4}The high mass region}{165} \contentsline {part}{III\hspace {1em}NLO AND NNLO QCD COMPUTATIONS}{166} \contentsline {section}{\numberline {29.}NLO predictions for many-particle production}{166} \contentsline {subsection}{\numberline {29.1}Introduction}{166} \contentsline {subsection}{\numberline {29.2}Status}{167} \contentsline {subsection}{\numberline {29.3}A realistic NLO wishlist for multi-particle final states}{169} \contentsline {subsection}{\numberline {29.4}Review of theoretical approaches}{170} \contentsline {subsubsection}{\numberline {29.41}More detailed descriptions of recent methods}{172} \contentsline {paragraph}{The DD approach}{172} \contentsline {paragraph}{The BGHPS approach}{172} \contentsline {paragraph}{The GRACE approach}{173} \contentsline {subsubsection}{\numberline {29.42}Combination with parton showers}{174} \contentsline {section}{\numberline {30.}One loop gluon initiated corrections in DIPHOX}{175} \contentsline {subsection}{\numberline {30.1}Introduction}{175} \contentsline {subsection}{\numberline {30.2}Analytical framework}{175} \contentsline {subsection}{\numberline {30.3}Numerical results}{177} \contentsline {subsection}{\numberline {30.4}Conclusions}{179} \contentsline {section}{\numberline {31.}The architecture of NNLO cross sections}{181} \contentsline {subsection}{\numberline {31.1}Introduction}{181} \contentsline {subsection}{\numberline {31.2}The approach of Del Duca, Somogyi, Tr\'ocs\'anyi\nobreakspace {}\footnote {Authors: V.\nobreakspace {}Del\nobreakspace {}Duca, G.\nobreakspace {}Somogyi, Z.\nobreakspace {}Tr\'ocs\'anyi}}{182} \contentsline {subsubsection}{\numberline {31.21}Subtraction scheme at NNLO}{182} \contentsline {subsubsection}{\numberline {31.22}Subtraction terms for doubly-real emission}{183} \contentsline {paragraph}{The general setup}{183} \contentsline {paragraph}{Singly-singular counterterms}{183} \contentsline {subsubsection}{\numberline {31.23}Doubly-singular and iterated counterterms}{185} \contentsline {subsubsection}{\numberline {31.24}Outlook}{185} \contentsline {subsection}{\numberline {31.3}The antenna subtraction approach\nobreakspace {}\footnote {Authors: A.\nobreakspace {}Gehrmann-De Ridder, T.\nobreakspace {}Gehrmann, E.W.N.\nobreakspace {}Glover}}{186} \contentsline {subsubsection}{\numberline {31.31}Method}{186} \contentsline {subsubsection}{\numberline {31.32}Derivation of antenna functions}{188} \contentsline {subsubsection}{\numberline {31.33}Application to $e^+e^- \to 3$\nobreakspace {}jets}{188} \contentsline {subsubsection}{\numberline {31.34}Outlook}{189} \contentsline {subsection}{\numberline {31.4}The sector decomposition approach to NNLO cross sections\nobreakspace {}\footnote {Author: G.\nobreakspace {}Heinrich}}{189} \contentsline {subsubsection}{\numberline {31.41}General aspects}{189} \contentsline {subsubsection}{\numberline {31.42}The method}{190} \contentsline {subsubsection}{\numberline {31.43}Application to $e^+e^-\to 3$\,jets at NNLO}{190} \contentsline {paragraph}{Virtual contributions}{191} \contentsline {paragraph}{Real radiation at NNLO}{191} \contentsline {paragraph}{Differential cross sections for various observables}{192} \contentsline {subsubsection}{\numberline {31.44}Outlook}{192} \contentsline {part}{IV\hspace {1em}MONTE CARLO ISSUES}{192} \contentsline {section}{\numberline {32.}On reweighting techniques}{193} \contentsline {section}{\numberline {33.}LCG MCDB --- database of Monte-Carlo simulated events}{196} \contentsline {subsection}{\numberline {33.1}LCG MCDB Overview}{196} \contentsline {subsection}{\numberline {33.2}LCG MCDB Description}{198} \contentsline {subsubsection}{\numberline {33.21}WEB interface}{198} \contentsline {subsubsection}{\numberline {33.22}SQL DB}{199} \contentsline {subsubsection}{\numberline {33.23}Storage}{199} \contentsline {subsubsection}{\numberline {33.24}Search engine}{199} \contentsline {subsubsection}{\numberline {33.25}Authorization}{199} \contentsline {subsubsection}{\numberline {33.26}Documentation}{199} \contentsline {subsubsection}{\numberline {33.27}API to collaboration software}{200} \contentsline {subsubsection}{\numberline {33.28}HEPML, unified XML format of simulated events}{200} \contentsline {subsection}{\numberline {33.3}How to use LCG MCDB.}{200} \contentsline {section}{\numberline {34.}Supporting Monte Carlo generators at the LHC}{201} \contentsline {subsection}{\numberline {34.1}Introduction}{201} \contentsline {subsection}{\numberline {34.2}WP1: the generator services library}{201} \contentsline {subsubsection}{\numberline {34.21}GENSER}{201} \contentsline {subsubsection}{\numberline {34.22}External Monte Carlo packages}{202} \contentsline {subsubsection}{\numberline {34.23}Internal Monte Carlo packages}{202} \contentsline {subsection}{\numberline {34.3}WP2: event interfaces and particle services}{203} \contentsline {subsubsection}{\numberline {34.31}ThePEG}{203} \contentsline {subsubsection}{\numberline {34.32}HEPML}{203} \contentsline {subsection}{\numberline {34.4}WP3: production, storage and book-keeping of public generator level events}{203} \contentsline {subsubsection}{\numberline {34.41}Simulation framework}{203} \contentsline {subsubsection}{\numberline {34.42}Production}{203} \contentsline {subsubsection}{\numberline {34.43}Book-keeping \& storage}{204} \contentsline {subsection}{\numberline {34.5}WP4: Monte Carlo validation}{204}