tude des donn es : section efficace de production du top dans le canal e jets ... Enrichit le pourcentage de signal. Estimation du nombre de signal ' ...
Top decays before hadronizing = momentum and spin information is passed to its decay products. ... coefficient between top- antitop spin polarizations. ...
The top quark physics at the present colliders (Tevatron, LHC) E. ... Main methods: TEMPLATE (fitting MC and Real data) and MATRIX ELEMENT ... One top jjb ...
Spin properties of t quarks sensitive to some effects beyond the Standard Model. Top quark ... This is a crucial difference from the case in the ADD model. ...
Title: Phenomenology Beyond the Standard Model Last modified by: CERN User Document presentation format: On-screen Show (4:3) Company: cern Other titles
January 2003: Began single top quark research with Steve and ... god, I love it when that happens. April 2004: Spoke at 'Pheno 2004' conference in Madison, WI ...
probability density functions from simulated tt events generated with a range of ... probability density for event o if top quark mass is mt. signal probability ...
Measurement of the Top Quark Mass. The Low Bias Template Method. using Lepton jets events ... Primary Vertex in SMT fiducial range, with at least 3 tracks ...
What a Difference the Last 2 Years Have Made! From IMFP2006 IMFP2008 Rick Field University of Florida (for the CDF & D0 Collaborations) Physics at the Tevatron
The first modern fundamental particle was the atom, from the Greek ... We usually see by detecting light that has bounced off objects. into our eyes. ...
Electric charge is as fundamental quantum number as mass. SM leaves little options for the predicted ... Optimize discriminating power: ab mean, Vb- variance ...
Apply 'Basic Cuts' to clean up the sample and eliminate effects MC does not ... After Basic Cuts. G. Manca (U.Liverpool) SUSY05, Durham (UK), 20 July 2005. 26 ...
The Particle Zoo. And Who's Behind the Bars. Tony Liss. December 6, 1997. What is ... This is a nice picture, but no one had (or has) ever seen a free quark. ...
TESTING THE STANDARD MODEL AT THE D EXPERIMENT-at present and in the future Tulika Bose for the Columbia-D group The layers On the home front Tracking Tracking ...
... beams (upstream BPM spectrometer - Hildreth - or downstream spectrometer - Hertzbacher - at NLC ... For interacted beams in downstream spectrometer, what can we ...
Precision physics with Ws & Zs: Tests of higher order calculations. Constrain PDFs ... 2-D Neural Network to discriminate against the two largest backgrounds (tt vs. ...
There is interesting physics at all luminosities, starting now ... dmH/dmt ~ 50 GeV/4 GeV [from M. Grunewald et al., hep-ph/0111217 (2001)] Top physics program ...
chiral couplings can be made diagonal and real by suitable ... large chiral coupling for top leads to large effective attractive interaction for top quark ...
1. Boogert and Miller; Luminosity Measurement questions; calorimeter-related. ... can louse-up correlation between A and. s in MDI session) p- p , small. A 5 ...
extract top fraction using event topology. angles, momentum ... integrate over LO matrix element to get likelihood for event as a function of top quark mass ...
2. Why top quark precision ? Strong dependence on SM parameters and beyond. ... remains is to turn the crank' for determining the luminosity spectrum impact ...
like-sign in gluon fusion production - unlike-sign in qq annihilation. Neural Network approach: ... Requiring a b tagged jet also reduces background ...
Top mass in lepton jets channel. Leptonic part - mass reconstructed via : ... Only 1 isolated lepton (pT 20 GeV, 2.5) miss-pT 20 GeV, 50 mT(l ) 100 GeV ...
Top Quark Properties and Physics at LHC. V im k. CTU-FJFI, ASCR-FZU Prague ... 2T solenoid plus air core toroid. Inner Detector. s/pT ~ 0.05% pT(GeV) ( ) 0.1 ...
Cracow Epiphany Conference on Heavy Flavours. 3-6 January 2003, Krakow, Poland ... Epiphany 2003 January 3-6, 2003 Krakow, Poland. 4. TOP MASS AND CROSS ...
How tiny a nucleus of an atom is, but what is a ... A proton has 3 quarks. ... be a long time before we are able to unravel what protons are really made of. ...
WW/WZ, lepton fakes, QCD. Dilepton mode. Clean, low background. Small ... Detector fakes, dibosons. D0: Require four jets and kinematics, or soft-lepton b tag ...
Supported evidence that Standard Model works rather well (didn't see anything too weird) ... Bad News. 1/10 less likely to be created than top quark ...
Kinematics. Selection: 1 lepton with pT 20 GeV/c. = 3 jets with pT 15GeV/c. ... Use 7 kinematic variables in neural net to discriminate signal from background! ...
based on DPF 03 electron cross sections. new acceptance study with CTEQ6 ... matrix method to separate W/QCD. 1 jet. 4 jets. 3 jets. 2 jets. mT. W mT component ...
Measuring the Top Quark Mass with Neural Networks. Carlos ... ANN Template Fitter ... statistical uncertainty returned by the fitter for the gluon and non-gluon ...
Some material in this talk comes from previous presentations by ... Spin quant. axis: n. t. l b. q. Rest frame of top. k -0.25 @ 68% CL. Fermilab-Pub-00/046-E ...
( D silicon shown here; Layer 0 is OK; inner detectors on layer 1 barrel not ... Publications by year CDF D ... CDF and D have searched for many states ...
... (W jets and tt), for one and more than one b-tags and for each lepton flavor (e and ) ... Instead of cutting on the output of the discriminant to count the ...
Running coupling constant : aS(Q2) La costante di accoppiamento aS dipendente dal momento trasferito nel processo: aS= aS(Q2). Tale dipendenza dovuta alle ...
University of Montreal. Columbia University. University of Oslo. Hampton University ... Dijets and Missing Energy in ATLAS from a Universal Extra Dimension ...
... is taken as a function for quantities that correspond to well measured objects. ... the top quark is so much more massive than the other fermions, it has been ...
Receipt of $ 2 M in 'soft funding' Michael J. Fox, ALS, Beresheet, OCS ... Next step commercialization via design of diagnostic kit. ConjuGate Ltd. ...