[PDF] Top 20 Search for new phenomena with large jet multiplicities and missing transverse momentum using large-radius jets and flavour-tagging at ATLAS in 13 TeV $pp$ collisions

... BMWFW and FWF, Austria; ANAS, Azerbaijan; SSTC, Belarus; CNPq and FAPESP, Brazil; NSERC, NRC and CFI, Canada; CERN; CONICYT, Chile; CAS, MOST and NSFC, China; COLCIENCIAS, Colombia; MSMT CR, ... See full document

... contribution in this analysis arises from Z +jets production with the Z boson decaying into ...production in association with a heavy-flavour jet where the W boson decays ... See full document

... pixel and strip tracker measures charged particles within the pseudorapidity range | η | < ...(ECAL), and a brass and scintillator hadron calorimeter (HCAL), each composed of a barrel and ... See full document

... The ATLAS detector [ 21 ] is a multi-purpose particle physics detector with a forward-backward symmetric cylindrical geometry and nearly 4π coverage in solid ...pixel and silicon ... See full document

... a search is performed in the Z boson ...selected in the on-Z analysis (m `` < [80, 110] GeV) to maximise Z boson ...events with muons whose momenta are overestimated, leading to ... See full document

... events in which a jet is misidentified as a photon are estimated using a sideband counting method [ 61 ...candidates in four regions of a two-dimensional space, defined by the ... See full document

... 32] with a radius parameter R = ...deposits in the calorimeters. These clusters are seeded by calorimeter cells with energies significantly above the measured ...differences in ... See full document

... results at 13 TeV [ 1 ] using ...section in the context of the simplified model with axial-vector ...Unlike in the m Z A –m χ parameter plane, the limits are shown ... See full document

... 0-lepton and the two Gtt 1-lepton signal regions for each point of the parameter space, and the best expected combination is ...observed and expected exclusion limits for the Gbb and Gtt ... See full document

... for new phenomena in final states containing a same-flavour opposite-sign lepton (electron or muon) pair, jets, and large missing transverse momentum ... See full document

... collected using electron and muon ...performance and data are im- posed. Monte Carlo (MC) event samples with full AT- LAS detector simulation [14] based on the Geant4 pro- gram [15] ... See full document

... a search for physics beyond the standard model in proton–proton collisions at a center-of-mass energy of √ s = 13 ...The search uses a signature of a single lepton, large ... See full document

... ] in the calorimeters using the anti-k t algorithm with a jet radius parameter R = ...]. Jets are corrected for contamination from pileup using the jet area method ... See full document

... data and MC simulation of Z → ν¯ν and Z → `` events plus predicted backgrounds in selected (a,c) p miss T + jets events and (b,d) ` + ` − + jets events as a function of the p ... See full document

... a search for the production of invisible particles in association with a single top-quark in proton–proton collisions produced at the LHC with a centre-of- mass energy of ... See full document

... estimated using data control samples, simulated events are used to estimate systematic uncertainties and some SM background components as described ...(NLO) and next-to-NLO cross sections [ 42 – 47 ] ... See full document

... described in section ...to large theoretical uncertainties associated with the use of a leading-order Monte Carlo simulation ...changes in the number of partons present in the matrix ... See full document

... C. Maidantchik 24a , A.A. Maier 101 , A. Maio 126a,126b,126d , S. Majewski 116 , Y. Makida 66 , N. Makovec 117 , B. Malaescu 80 , Pa. Malecki 39 , V.P. Maleev 123 , F. Malek 55 , U. Mallik 63 , D. Malon 6 , C. Malone 144 ... See full document

... A.A. O’Rourke 44 , V. O’Shea 55 , F.G. Oakham 31,d , H. Oberlack 102 , T. Obermann 23 , J. Ocariz 82 , A. Ochi 69 , I. Ochoa 37 , J.P. Ochoa-Ricoux 34a , S. Oda 72 , S. Odaka 68 , H. Ogren 63 , A. Oh 86 , S.H. Oh 47 , ... See full document

... simulated in this analysis and to evaluate the uncertainty on this background several samples are ...produced with the factorisation and renormalisation scales varied coherently, along ... See full document