[PDF] Top 20 Charged jet evolution and the underlying event in proton anti-proton collisions at 1.8-Te V

... ‘‘underlying event’’ in a proton-antiproton colli- ...the event originated. On the other hand, hard scattering collider ‘‘jet’’ events have a distinct ...scattering event ... See full document

... nonleading jet is identified as a leading jet due to resolution smearing and inefficiencies in the track ...leading jet have been assessed by reweight- ing the simulation to reproduce the observed ... See full document

... the jet and photon energy scale contribute ...bin, 1% of the background at 1 TeV to about 20% of the background at 3 TeV, are taken as indicative of the systematic ... See full document

... for charged Higgs boson in the context of Two Doublet Higgs Model (2HDM) which is an extension of the Standard Model of particles physics where the 2HDM predicts by existence scalar sector with new five Higgs ... See full document

... a jet in 3.2 fb −1 of proton-proton collisions at a centre-of-mass energy of √ s = 13 TeV collected by the ATLAS detector at the Large Hadron ...a jet, each with transverse ... See full document

... hidden charm [2 – 5]. Experimental results from different collaborations like Belle, BaBar, LHCb, BES were used. It was demonstrated [11, 12] that the dynamics of the decaying resonant system (charmonium, charmed hybrid ... See full document

... To enhance the fraction of background events and minimize the contribution from tt signal events, the CS is selected by requiring no b-tagged jets defined according to the loose working point of CSV [37], which is 80% ... See full document

... the event and jet selection criteria, and the jet calibration meth- ...the jet energy resolution from calorimeter observables, the dijet balance method [13] and the bisector method [14], are ... See full document

... The Z + jets and W + γ + jets backgrounds are generated with A lpgen 2.13 [27] using CTEQ6L1 [28] PDFs. The t t ¯ background is produced with MC@NLO 3.41 [29] with CT10 PDFs. In both cases, J immy 4.31 [30] is used to ... See full document

... present charged-particle distributions sensitive to the underlying event, measured by the ATLAS detector in proton-proton collisions at a centre-of-mass energy of 13 TeV, in ... See full document

... The statistical uncertainties are propagated through the unfolding procedure using an ensemble of pseudo-experiments. For each pseudo-experiment in the ensemble, a weight fluctuated according to a Poisson distribution ... See full document

... the jet energy scale uncertainty are ...than 1% ...p jet T carried by neutral final-state particles between data and simulation, and evaluating how much the calorimeter response can be varied before ... See full document

... of charged pions and ...than 1% in the total cross section and up to 2% relative uncertainty in the differential normalised cross section in certain kinematic ... See full document

... MoEDAL is an unconventional and largely passive LHC detector comprised of the largest array of plastic (CR39 and Makrofol) Nuclear Track Detector stacks ever deployed at an accelerator, surround- ing the intersection ... See full document

... via two-body decay channels to light mesons is of special interest for both studying the dynamics of heavy quarkonia and for testing the QCD framework of CEP. However, in this case we may expect a sizeable background ... See full document

... five-parameter fit of the signal and background distribu- tions to ensure that the background determination would not be biased by the presence of any signal. The four background parameters were those in Eq. (1); ... See full document

... The PHENIX experiment recently published a new and improved measurement of heavy flavor electrons in p+p collisions [9]. The measurement based on unfolding analysis where the yield of open heavy flavor hadrons is ... See full document

... low momentum transfer between the scattering particles. Soft interactions cannot be reliably calculated from theory and are thus generally described by phenomenological models, usually implemented in Monte Carlo (MC) ... See full document

... S. Cabrera Urbán 170 , D. Caforio 129 , V. M. Cairo 39a,39b , O. Cakir 4a , N. Calace 51 , P. Calafiura 16 , A. Calandri 87 , G. Calderini 82 , P. Calfayan 101 , G. Callea 39a ,39b , L. P. Caloba 26a , S. Calvente ... See full document

... ATLAS has a toroidal magentic field [56] that bend charged particles inside the inner detector (ID), which will be discussed in Section 3.4. The ID extends to 1.2 m from the proton beam. The magnetic field ... See full document