[PDF] Top 20 Search for supersymmetry in pp collisions at root s=8 TeV in events with a single lepton, large jet multiplicity, and multiple b jets

... LHC and the CMS detector provided by the following funding agencies: BMWF and FWF (Austria); FNRS and FWO (Belgium); CNPq, CAPES, FAPERJ, and FAPESP (Brazil); MES (Bulgaria); CERN; CAS, MoST, ... See full document

... used in this search were collected in proton-proton collisions at √ s = 8 TeV with the Compact Muon Solenoid (CMS) experiment in 2012 and ... See full document

... This search uses a sample of proton–proton collision data at a center-of-mass energy of √ s = 13 TeV corresponding to an inte- grated luminosity of ...silicon-pixel and silicon- strip ... See full document

... model in events containing photons are ...proton-proton collisions at √ s = 8 TeV, collected with the CMS experiment at the CERN ...inclusive search ... See full document

... the lepton + jets topology and the topology considered here, additional W+udsg and W+b/c corrections are derived from two background-dominated event samples, one without any ... See full document

... background events are produced by using several generators. Single and pair produc- tion of top quarks are simulated by using the powheg ...multijet and diboson events are done ... See full document

... A search for supersymmetry with compressed mass spectra is performed in events with soft leptons, moderate to high values of E miss T , and one or two hard jets, ... See full document

... up and down. The effect on the background count and signal efficiency in the signal region is shown in Table IV ...points in the T1ttcc model ( Δm ¼ 25 GeV) ...sets and fitting a ... See full document

... detector at the Large Hadron Collider (LHC) during 2012, corresponding to an inte- grated luminosity of ...of jets, E T miss , the number of jets, and the number of jets ... See full document

... freedom in the extended theory. The discovery of a Higgs boson with low mass [18 –23] provides a key motivation for ...mass at a low value, without invoking extreme fine-tuning of param- eters, is a ... See full document

... for supersymmetry are presented based on events in which b jets and four W bosons are produced in proton-proton collisions at √ s = 8 ...lected ... See full document

... tracking and calorimeter ...silicon-pixel and silicon-strip detectors, measures charged particle trajectories within the pseudorapidity range |η| < ...ln[tan(θ/2)] and θ is the polar angle of the ... See full document

... a search for supersymmetry (SUSY) in final states with a single elec- tron or muon, multiple jets, including some identified as originating from b quarks (b ... See full document

... of events is low and the backgrounds may be poorly ...the lepton-jet backgrounds which was cross-checked with a tag-and-probe fake-rate ...A, B, C and D, as ... See full document

... urgent with the discovery of the Higgs bo- son ...together with the electroweak scale, is unstable against enormous corrections from loop processes, which pull the Higgs mass to the cutoff scale of the ... See full document

... quarks and gluons (partons) produced at particle colliders form showers of hadrons, which can be clustered into jets to obtain information about the properties of the partons initiating the shower, ... See full document

... theoretical and experimental uncertainties that can affect the shapes of the kinematic distributions of our signal region definitions by recomputing acceptances after modifying the various kinematical quantities ... See full document

... the events selected with the baseline requirements described in ...selection, events are required to contain at least one reconstructed interaction ...one with the highest p 2 T ... See full document

... particle with the same gauge quantum numbers but differing by one half-unit of ...The search for a low mass top squark, the scalar partner of the top quark, is of particular interest following the discovery ... See full document

... Z+jets, and multijet production), the normalizations are taken directly from the ...background in the signal region (tt production, W+c, W+b, and W+light-flavour jets), the ... See full document