[PDF] Top 20 Search for large extra spatial dimensions in dimuon production with the D0 detector

... be in fact much lower, i.e. within the reach of current and planned future colliders ...that the standard model (SM) particles and gauge interactions are confined to a three-dimensional “brane” ... Voir le document complet

... negligible in all cases except for the PDF variation in the ADD search, where an additional uncertainty of 6% (3%) is included in the dielectron (dimuon) ... Voir le document complet

... acknowledge the support of ANPCyT, Argentina; YerPhI, Armenia; ARC, Australia; BMWF and FWF, Austria; ANAS, Azerbaijan; SSTC, Belarus; CNPq and FAPESP, Brazil; NSERC, NRC and CFI, Canada; CERN; CONICYT, Chile; ... Voir le document complet

... sample with an identified muon is defined by inverting the muon veto in the nominal event selection criteria discussed ...to the sim- ulation, the sample contains a 71% (19%) ... Voir le document complet

... CERN for the very successful operation of the LHC, as well as the support staff from our institutions without whom ATLAS could not be operated ...acknowledge the support of ANPCyT, ... Voir le document complet

... mented in the tmva software package [41], to improve the discrimination of signal from ...background. In a first step, we train a dedicated RF (tt RF) that considers tt as the only ... Voir le document complet

... +jets production with smaller contributions from single-top ...samples for the t¯ t and the single-top (W t-channel) processes are generated using powheg [20] and the CT10 [21] ... Voir le document complet

... 2. In order to model the effects of detector resolution and initial state radiation (ISR), we generate LED+SM and SM- only events separately to obtain the parton level distributions of ... Voir le document complet

... for the s-channel (t-channel) search, where n s and n t are the yields for the tb and tqb samples, respectively, and the sum in the denominator is over all ... Voir le document complet

... a search for Kaluza-Klein (KK) particles predicted by models with universal extra dimensions (UED) using a data set corresponding to an integrated luminosity of ...by the ... Voir le document complet

... and the momentum of the muon opposite to the direc- tion of the missing transverse energy ...(i.e. with the larger azimuthal angle relative to the direction of the ... Voir le document complet

... Introduction The enormous difference between the Planck scale and the electroweak scale is known as the hierarchy ...addresses the hierarchy problem through the existence of ... Voir le document complet

... 3: The dilepton mass spectra in the (a) µµ, (b) µµ trk , (c) ee and (d) ee ICR ...shown in the pretag control sample, in which all selection requirements except b-tagging are ... Voir le document complet

... used in the L1 and HLT systems are due to the distinct constraints on the processing time and on the volume of data to be ...perform the event accept decision. In 2016, ... Voir le document complet

... magnet. The SMT has ≈800, 000 individual strips, with typical pitch of 50 − 80 µm, and a design optimized for tracking and vertexing capability at pseudorapidities of |η| < ...is the polar ... Voir le document complet

... Introduction The single top-quark signature is sensitive to many models of new physics ...tion in the Standard Model (SM) has been measured at the LHC in the t-channel [2, 3] and ... Voir le document complet

... of dimuon production in heavy-ion collisions is generally considered to be one of the most powerful tools in the search for the phase transition between ... Voir le document complet

... comparing the NLO and LO cross-sections calculated using MCFM [50]. The W+(1 jet) and Z+(1 jet) background normalisation uncertainties are estimated from the uncertainty in the ... Voir le document complet

... signal with mass m W ′ = 1 TeV are shown in ...compute the sta- tistical significance of any excess over expectation using a modified frequentist ...generate the distribu- tion of possible LLR ... Voir le document complet

... CERN for the very successful operation of the LHC, as well as the support staff from our institutions without whom ATLAS could not be operated ...Kraml for her advice while preparing ... Voir le document complet