ttbar Cross-Section Studies leading to ttbar Resonance D. Jana*, M. Saleem*, F. Rizatdinova**, P. Skubic* *University of Oklahoma, **Oklahoma State University
... events. Global view. Primary vertex. B-tagging. Electron (ID, calo) Muon (ID, spectro, combined) 2. Global view. Big ... Pb 2: Muon ID track bad r-z view ...
Muon from semilep decay of b-jet1. Tau jet. Pb 1: Muon ID track bad r-z view ... Transverse plane: Primary vertex displaced by 20mm, precision 15 mm ...
Sample from one, and fit using the other to set the systematic. 13 ... Sum Et; Njets=3 only. CDF Preliminary. 28. Comparison Results: 1,2,3 Jet Bins ...
Sum over 12 combinations of jets and neutrino solutions. 1 momentum of one of the jets ... Using the full probability calculation. Sum over all the combination of jets ...
... Isolation and Z mass cuts were used to reduce the WZ, ttbar, and Zbb backgrounds. ... The signal efficiencies and background rejections will be shown ...
We used 2-c fits to kinematical distributions to check the ttbar fraction found ... The procedure accounts for the statistical part only of the cross section ...
Motivations: measuring polarization property of w in ttbar semileptonic decay. BR(t Wb)~100% ... n 2b jets. tt final states (10 fb-1) 3. 0.000. 0.297. 0.703 ...
Parameterising Z - ee Trigger efficiency in 3D, Et vs Eta, vs Etcone40. ... In first data look for O(%) effects until large stats become available. ttbar SU3 ...
XXXIV IMFP 2006, April 6th Susana Cabrera Page 1. A measurement of s(ttbar) & a search for V A ... Dileptons Idem L jets. Hipothesis: leading jets are b-jets ...
Calibration before the experiment starts: test beam ... Event-by-event kinematic fitter (assumes event is ttbar) Attempts all jet-parton assignments ...
... 51. No EWSB. Excluded h 114, bsy. Properties: sscalars are heavy ... zz, zw - full chain. ttbar,susy,zjets - fast chain (FAMOS 1.2.0) validation byORCA samples ...
Tree level calculation is done by HELAS. To implement the threshold enhancement, Green's function G(p;E) ... This technique is used for e e- ttbar generator ...
Zjets( by invariant mass), ttbat (top reconstruction), etc. ... Visually, little of improvement, but remember ... NN can be used to identify the mSUGRA model ...
exponential gauss in mtrans. landau gaus in mtop. TTbar Dileptonic: ... exponential gauss in MT. Check the results of the fit by. comparing ... gauss in ...
Vancouver (July): detailed discussion with the community ... 450 k events at 500 GeV: Z0, uds, cc, bb, ttbar, WW, ZH. Recent developments (LDC software) I ...
Contents. Introduction. Charged Higgs studies in ATLAS and CMS ... LH to suppress combinatorial background. 3(4)b-tags, with LH based secondary vertex algorithm ...
Tracker Analysis Method ... Define matches by shared clusters and track parameter comparison. ... Original analysis code used clusters assigned by CFT tracker ...
On hold till I figure out how to access the necessary variables with PAT. Status of POWHEG adaptation of Baur's MC Generator ... Trying to figure out ...
Marcel Vreeswijk (NIKHEF) B tagging, performance vertexing. Neural Net studies ... Start with (non PV) selected tracks. Significance 3. Make all possible 2 ...
The biggest accomplishment of Run I of Tevatron was the top quark discovery in 1995 ... Limited knowledge of heavy flavor fractions is one of the largest ...
Electric charge is as fundamental quantum number as mass. SM leaves little options for the predicted ... Optimize discriminating power: ab mean, Vb- variance ...
for the CDF and D Collaborations. Top Quark Mass and Kinematics. Top quarks at the Tevatron ... Precision measurement 2 fb-1 projection: dmt~1.5 GeV (dMH/MH=30%) 5 ...
... group meeting. November 15, 2001. NIKHEF group meeting ... Online. NIKHEF group meeting. November 15, 2001. Freya Blekman, NIKHEF Amsterdam. My cuts up to now : ...
P10 contains a lot of big changes for d0trigsim infrastructure. ... Working hard on preparing p11 production release. Pmcs will be ready for physics use soon. ...
The large mass of top quark could be sensitive to the physics ... We search for the second type of particle generically: 'Massive Gluon (MG)' 3 parameters ...
2. Why top quark precision ? Strong dependence on SM parameters and beyond. ... remains is to turn the crank' for determining the luminosity spectrum impact ...
Top decays before hadronizing = momentum and spin information is passed to its decay products. ... coefficient between top- antitop spin polarizations. ...
Since p13, deghosting is in CPSReco but turned off. Should it be turned on? Ghosts ... the left plot and the equal deghostpwr(x's) monte carlo. real zee candidates ...
N. De Filippis Department ... on first tests Crashes (needed CORAL ... on AlCaReco datasets at some Tier-1s and CAF Re-reconstruction performed at Tier-1s Skim jobs ...
(Butch Cassidy and the Sundance Kid) Real life is more ... PRICE: Extremely Complicated Dynamics They are now almost making them explode in simulations ...
Study on search of a SM Higgs (120GeV) produced via VBF and decaying ... Testbed integration. Pilar Casado, Martine Bosman & Carlos Osuna. Hadronic Tau Trigger ...
SUSY requires light Higgs.) TeV studies in 1999 and 2003 predicted: ... Exact values depend on SUSY parameter space. Experimentally: pp Ab X bbb X (D0 has result) ...