warped extra warped extra dimensions lepton dimensions lepton signatures in signatures in ATLAS ATLAS O.K. Baker O.K. Baker Hampton University Hampton University (K. McFarlane, V. Vassilakopoulos, T. (K. McFarlane, V. Vassilakopoulos, T. Shin) Shin) SUSY05 SUSY05
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Warped extra dimensions lepton signatures in ATLAS O.K. Baker Hampton University (K. McFarlane, V. Vassilakopoulos, T. Shin) SUSY05.
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warped extra warped extra dimensions lepton dimensions lepton
signatures in signatures in ATLASATLASO.K. BakerO.K. Baker
Hampton UniversityHampton University(K. McFarlane, V. Vassilakopoulos, T. Shin) (K. McFarlane, V. Vassilakopoulos, T. Shin)
SUSY05SUSY05
gravitons in warped extra gravitons in warped extra dimensionsdimensions
warped extra dimensions warped extra dimensions (Randall-Sundrum model (Randall-Sundrum model PRL PRL 8383, 3370 (1999)), 3370 (1999))
narrow graviton resonances; isolated (?)narrow graviton resonances; isolated (?) decay to SM particlesdecay to SM particles
predictions for . . .predictions for . . . dark energydark energy Higgless mass generationHiggless mass generation dark matterdark matter hierarchy problemhierarchy problem . . .. . .
perform GEANT4 simulations on .evgen perform GEANT4 simulations on .evgen files (Rome setup)files (Rome setup)
perform digitization on G4 outputperform digitization on G4 output perform reconstruction on digi outputperform reconstruction on digi output fill ESDsfill ESDs fill AODsfill AODs analysis on AODsanalysis on AODs root trees, histogramsroot trees, histograms
i. e. full analysis chain!!
500 GeV; signal and DY 500 GeV; signal and DY backgroundbackground
signal
DY background
with appropriate statistics for signal and background
DY cut off at 450 GeV
500 GeV; signal and DY 500 GeV; signal and DY backgroundbackground
signal
DY background
with appropriate statistics for signal and background
DY cut off at 450 GeV
G* G* ee 500 GeV; no background ee 500 GeV; no background
330 events simulated 80% reconstruction
500 GeV; signal and DY 500 GeV; signal and DY backgroundbackground
signal
DY
500 GeV; signal and DY 500 GeV; signal and DY backgroundbackground
signal
DY
analysis (700 GeV)analysis (700 GeV)
700 GeV; signal with DY background700 GeV; signal with DY background
G* G* ZZ ZZ eeee eeee with DY with DY backgroundbackground
DY dielectron background
with appropriate statistics for signal and background
reconstruction
efficiency ~50%
fit to peak
G* G* ZZ ZZ eeee with DY eeee with DY backgroundbackground
DY background
comparison to Tevatron datacomparison to Tevatron data
summarysummary
have completed dielectron studies from have completed dielectron studies from 0.5 TeV up to 1.5 TeV0.5 TeV up to 1.5 TeV
have completed di-boson studies at 1.0 have completed di-boson studies at 1.0 TeVTeV
have included DY and other backgroundshave included DY and other backgrounds compared to Tevatron data; can extend compared to Tevatron data; can extend
mass reach at LHCmass reach at LHC can cover (model) parameter space in a can cover (model) parameter space in a