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μ̃, ẽ and ν̃ Benchmark Status 1.4 TeV. μ̃, ẽ and ν̃ Production Status ν̃ performance plots Discriminating variables, S+B plots, mass determination, fit results, assuming L=2 ab¯¹. μ̃ Benchmark Production Status. 50000 μ̃ produced with γγ -> h overlaid.
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μ̃, ẽ and ν̃ Benchmark Status • 1.4 TeV • μ̃, ẽ and ν̃Production Status • ν̃ performance plots • Discriminating variables, S+B plots, mass determination, fit • results, assuming L=2 ab¯¹ WG6, J-J.Blaising, LAPP/IN2P3
μ̃ Benchmark Production Status 50000 μ̃ produced with γγ -> h overlaid WG6, J-J.Blaising, LAPP/IN2P3
ẽ Benchmark Production Status 100000 ẽ produced with γγ -> h overlaid WG6, J-J.Blaising, LAPP/IN2P3
ν̃ Benchmark Production Status Preselection cuts applied on background samples, 10⁵ ν̃ produced with γγ -> h overlaid WG6, J-J.Blaising, LAPP/IN2P3
ν̃, dN/dE and dN/dθ (e±) 2L4J reconstruction, with Kt=1 and Ejet min=10 GeV, εR=19%, εRxBR=5% dN/dE(e±) with γγ->h overlaid , photon radiation correction, (left), Eγ min=2.5 GeV dN/dθ(e±) with γγ->h overlaid , photon radiation correction, (right) Good agreement of reconstructed variables with MC True distributions WG6, J-J.Blaising, LAPP/IN2P3
ν̃, dN/d(ΔE/E²) (e±) dN/ d(ΔE/E²) (e±) without and with γγ->h overlaid, loose cuts (left): <> shift dN/d(ΔE/E²) (e±) without and with γγ->h overlaid, tight cuts (right): Tight cuts => central value restored and energy resolution preserved => Innefficency=7% WG6, J-J.Blaising, LAPP/IN2P3
ν̃, dN/d(ΔE/E²) and dN/dM dN/d(ΔE/E²) (e±) with γγ->h overlaid, tight cuts, fit (left): rms G1=1.7.10¯⁵, rms G2=1.10¯⁴ Resolution function used for the mass determination dN/dM (Di-Jet) with γγ->h overlaid, tight cuts (right): rms of convoluted Gaussian, 4.7 GeV without γγ and 6.0 with γγ-> overlaid , <Ej>~60 GeV At 3 TeV, 4.1 GeV without γγ and 4.7 with γγ-> overlaid , <Ej>~180 GeV WG6, J-J.Blaising, LAPP/IN2P3
μ̃, Discriminating Variables Distribution of the most discriminating observables for μ̃benchmark. Same variables used for the other channels WG6, J-J.Blaising, LAPP/IN2P3
μ̃, dN/dE (S+B) dN/dE (S+B) distribution: without BDT cut (left), e⁻ e⁺-> μ⁻ μ⁺ e¯e⁺ is the dominant background with BDT cut (right), the other SM processes are the dominant WG6, J-J.Blaising, LAPP/IN2P3
μ̃ and χ̃₁⁰ Masses dN/dE distribution after background subtraction mμ̃ = 560.84 ± 0.70 GeV (stat) ± 1.0 GeV (background subtraction), (mtrue=559 GeV) mχ̃₁⁰ = 357.88 ± 0.46 GeV (stat) ± 1.3 GeV (background subtraction), (mtrue=357 GeV) σ = 1.501± 0.03 fb (stat) WG6, J-J.Blaising, LAPP/IN2P3
ẽ dN/dE (S+B) dN/dE distribution: without BDT cut (left), SM processes are dominant backgrounds with BDT cut (right), e⁺e¯νe νe and other susy processes are dominant WG6, J-J.Blaising, LAPP/IN2P3
ẽ and χ̃₁⁰ Masses dN/dE distribution after background subtraction mẽ = 556.86 ± 0.53 GeV (stat) ± 1.5 GeV (background subtraction), (mtrue=559 GeV) mχ̃₁⁰ = 356.04 ± 0.47 GeV (stat) ± 1.3 GeV (background subtraction), (mtrue=357 GeV) σ = 5.88± 0.05 fb (stat) WG6, J-J.Blaising, LAPP/IN2P3
ν̃dN/dE (S+B) dN/dE distribution: without BDT cut (left), ẽL and other susy processes are dominant backgrounds with BDT cut (right), the tails of other susyprocesses are reduced WG6, J-J.Blaising, LAPP/IN2P3
ν̃ and χ̃₁± Masses dN/dE distribution after background subtraction mν̃ = 644.3 ± 14.2 GeV (stat) , (mtrue=644 GeV) mχ̃₁± = 487.6 ± 11.7 GeV ( stat) , (mtrue=487 GeV) σ = 5.16± 0.23 fb (stat) WG6, J-J.Blaising, LAPP/IN2P3
Summary • μ̃ and ẽ and ν̃ signal and SM background data production finished. • Pt cut or PFO tight cuts removes γγ -> h background => analysis done without • overlay on SM background • Lepton resolution functions as expected, ΔE/E² ~ 2x10¯⁵ for 2L or 2L4J final • states • mass and cross section determination: • mμ̃ = 560.84 ± 0.70 GeV (stat) ± 1.0 GeV (background subtraction) • mχ̃₁⁰ = 357.88 ± 0.46 GeV (stat) ± 1.3 GeV (background subtraction) • σ= 1.51 ± 0.03 fb (stat) • mẽ = 556.86 ± 0.53 GeV (stat) ± 1.5 GeV (background subtraction) • mχ̃₁⁰ = 356.04 ± 0.47 GeV (stat) ± 1.3 GeV (background subtraction) • σ = 5.88± 0.05 fb (stat) • mν̃ = 644.3 ± 14.2 GeV (stat) • mχ̃₁± = 487.6 ± 11.7 GeV ( stat) • σ = 5.16± 0.23 fb (stat) WG6, J-J.Blaising, LAPP/IN2P3