RESONANCES AT 100 TEV: DI-LEPTONS VS DI-JETS FCC-hh BSM group, workplan discussion Riccardo Torre SISSA & Padova U. & INFN Padova CERN - 30 October 2014 with M. Mangano, A. Thamm, A. Wulzer supported by the ERC Advanced Grant “DaMeSyFla” (Electroweak Symmetry Breaking, Flavour and Dark Matter: One Solution for Three Mysteries)
CROSS SECTION BOUNDS AT 100 TEV 10 4 10 4 10 3 CMS 10 3 CMS theoretically LHC@8TeV LHC@8TeV theoretically A g V = 1 excluded B g V = 3 excluded 10 2 10 2 σ ( pp → V ) [ pb ] σ ( pp → V ) [ pb ] 10 1 10 1 di-jets 10 0 10 0 10 - 1 10 - 1 10 - 2 10 - 2 10 - 3 10 - 3 1402.4431 1402.4431 10 - 4 10 - 4 0 1000 2000 3000 4000 0 1000 2000 3000 4000 M V [ GeV ] ⇓ M V [ GeV ] di-leptons lepton-neutrino 10 0 10 0 CMS CMS 10 - 1 10 - 1 A g V = 1 B g V = 3 σ ( pp → V ) [ pb ] σ ( pp → V ) [ pb ] 10 - 2 10 - 2 10 - 3 10 - 3 10 - 4 10 - 4 10 - 5 10 - 5 0 10 20 30 40 0 10 20 30 40 M V [ TeV ] M V [ TeV ] Riccardo Torre Resonances at 100 TeV: di-leptons vs di-jets 2
MUONS VS JETS AT 100 TEV Muons Jets ∆ E ∆ p p 1 √ ∝ ∝ BL 2 E p E Can we do something competitive with jets? What is the reach in di-jet searches compared to di-lepton ones? Are there interesting cases where jets can give the highest reach? Riccardo Torre Resonances at 100 TeV: di-leptons vs di-jets 3
DI-JETS RESONANCES AT 100 TEV For different width hypotheses and taking into account the expected resolution one can focus the analysis into windows of size around the ∆ signal mass hypothesis S/B isocurve 10ab − 1 0.1 Δ =± 10 % 30 Δ =± 4 % Δ =± 1 % B B 20 √ 0.01 S/ S / 0.04 10 Significance 0 10 20 30 40 50 � = M V [ TeV ] s Riccardo Torre Resonances at 100 TeV: di-leptons vs di-jets 4
DI-JETS VS DI-LEPTONS: TOY EXAMPLE Neutral vector resonance coupling only to and µ + µ − u ¯ u � σ = 4 π 2 β Γ dL ij � Γ = Γ u + Γ µ = β Γ + (1 − β ) Γ � M d ˆ s 3 � � s = M 2 ˆ 1.0 2 TeV 3 TeV 10 4 3 TeV 0.8 10 3 CMS theoretically A g V = 1 excluded 10 2 σ ( pp → V ) [ pb ] β = BR ( V → jj ) 0.6 10 1 3 . 4 TeV 10 0 10 - 1 0.4 10 - 2 10 - 3 10 - 4 0.2 0 1000 2000 3000 4000 M V [ GeV ] 0.0 0 20 40 60 80 100 Γ [ GeV ] Riccardo Torre Resonances at 100 TeV: di-leptons vs di-jets 5
THANK YOU Riccardo Torre Resonances at 100 TeV: di-leptons vs di-jets
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