Higgs Pair Production at the LHC - Desy

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Introduction Why Higgs Pairs? Introduction Calculations Numerical results Conclusion Discovery of a neutral scalar particle at the CERN Large Hadron Collider: SM Higgs Boson H ? → Determination of the properties and experimental reconstruction of the Higgs potential: V(H) = 1 2 M2 H H 2 + λHHH H 3 + 1 λHHHH H4 4 λHHH = M2 H 2 v , „ v = 2 MW À « sin θW e Production mechanisms at the LHC ◮ Gluon–Gluon Fusion g g → H H (NLO QCD known approx.) Dawson, Dittmaier, Spira ’98 ◮ Vector-Boson Fusion V V → H H (NLO QCD known) Figy ’08 ◮ Higgs-strahlung q ¯q ′ → H H V Marina Billoni Higgs Pair Production at the LHC À À
This Work Introduction Calculations Numerical results Conclusion Aim: Calculation of NLO QCD corrections to the following processes SM p p → H H Z p p → H H W + p p → H H W − MH =? „ Φ = φ + 1 √ 2 (v + H + iφ 0 ) Marina Billoni Higgs Pair Production at the LHC « ,
Page 1 and 2: Introduction Calculations Numerical
Page 3 and 4: Introduction Why Higgs Pairs? Intro
Page 5: Introduction Why Higgs Pairs? Intro
Page 9 and 10: This Work Introduction Calculations
Page 11 and 12: Feynman Diagrams at LO SM: q ¯q
Page 13 and 14: Feynman Diagrams at LO SM: q ¯q
Page 15 and 16: Æ Introduction Calculations Num
Page 17 and 18: Drell-Yan like process σ S1S2 V (s

Higgs Pair Production at the LHC - Desy

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