[PDF] Top 20 Search for contact interactions using the inclusive jet $p_T$ spectrum in $pp$ collisions at $\sqrt{s} = 7$ TeV

... colleagues in the CERN accelerator departments for the excellent perfor- mance of the LHC and thank the technical and administrative staffs at CERN and at other CMS ... See full document

... generators, in a dedicated ...spanning the entire parameter space of the models; scaling the number of signal samples up and presenting the results for every model therefore becomes ... See full document

... In the ADD model, the SM particles and their inter- actions are confined to a three-dimensional slice of the multidimensional world, but gravity permeates the addi- tional dimensions of ... See full document

... A search for supersymmetry or other new physics resulting in similar final states is presented using a data sample of ...of pp collisions collected at √ s = 7 ... See full document

... from pp collisions at √ s = 2.76 TeV with the CMS experiment corresponding to an in- tegrated luminosity of ...close the wide gap in jet measurements ... See full document

... to the matched reconstructed spectrum from the Monte Carlo ...simulation. In the sec- ond step, the iterated unfolding matrix A ptcl,i reco,j is deter- mined using ... See full document

... from the mass value; it is propagated to the search by shifting the reconstructed dijet mass of the signal by ...to the nominal resolution value. The jet energy ... See full document

... for the three generation structure of the fermion ...explain the observed hierar- chy have led to a family of models postulating that quarks and leptons might be composite ob- jects of fundamental ... See full document

... measuring pp interaction rates with several ATLAS devices. The absolute calibration is derived from van der Meer scans [77, ...78]. In total, four scan sessions were performed during the ... See full document

... η. In order to map this uncertainty to the multijet variables, all jets in the selected events are systematically shifted by the respective uncertainties, and a new set of values for ... See full document

... report the results of a search for the pair production of a narrow resonance, which decays into two jets, using the dijet mass spectrum in four-jet final states, ... See full document

... + jet, γ + jet events and multijet ...determine the fraction of jets passing the electromagnetic trigger criteria that are misreconstructed as ...suppress the contribution from Z ... See full document

... offline using the anti-k T clustering algorithm with a distance parameter R = ...[14]. The four-vectors of particles reconstructed by the CMS particle-flow algorithm are used as input to ... See full document

... on the background estimate. To account for the statistical un- certainties on the background fit parameters, we repeat- edly fit the background function to pseudodata for each bin drawn from ... See full document

... of the discriminant greater than one indicate the presence of a secondary ...improve the purity of the selection, only secondary vertices built from at least three tracks are ... See full document

... simulated using Mad- Graph5 [23] via the DY process to model the kinematic distri- ...butions. The DY production model also determines the cross section used for limit ...for the ... See full document

... clear interactions and, if charged, via ionisation, as they traverse the CMS ...detector. The R- hadrons that are produced with sufficiently low velocity will come to rest in the ... See full document

... produced using PYTHIA ...for the W, and mass-dependent K-factors, ranging from ...for the Z. The PYTHIA generator was also used for QCD multijet ...events. The tt events were gener- ... See full document

... performed at LEP [4–7], HERA [8], the Teva- tron [9–15], and the LHC ...reach the outer muon systems of the collider detectors even if they are strongly ...interacting. In ... See full document

... estimated using data-driven ...jets using the M AD G RAPH [23] event generator, and of multijet events described by quantum chromodynamics (QCD) using the P YTHIA ...determined ... See full document