[PDF] Top 20 Search For Cp Violation In T(t)over-bar Production And Decay In Proton-proton Collisions At Root S=8 Tev

... Youth and Sports (MEYS) of the Czech Republic; the Council of Science and Industrial Research, India; the HOMING PLUS pro- gram of the Foundation for Polish Science, cofinanced from European Union, Regional ... See full document

... model-independent search for tt ...system, and all its daughter particles, decay as described by the ...boson and a bottom quark (b). Each of the two W bosons in the event can ... See full document

... Efficiencies and mistag rates of the b-tagging algo- rithm have been measured in data and simulated events for jets [47] and subjets with a spatial separation between them of ΔR > ...jets, ... See full document

... constants; and i, j, and k are generation indices. At the LHC, top squarks ( ˜ t ) would be directly pair-produced via strong ...interactions. In this search, two different decay ... See full document

... quark and neutralino), or (ii) through flavor-changing (FC) interactions mediated by an invisi- ble bosonic state (for instance, ug → u → tυ, where u, g, t, and υ are an up quark, gluon, top quark, ... See full document

... WZ production. Non-resonant events with no genuine Z boson in the final state, such as top quark pair (t ¯ t), multijet, W + jet, W γ + jet, and WW + jet production, are also con- ... See full document

... inclusive and direct photon production in pp collisions at √ s = ...2.76 and 8 TeV were obtained at midrapidity and in transverse ... See full document

... pixel and strip tracker, a lead tungstate crystal electromagnetic calorimeter (ECAL), and a brass and scintillator hadron calorimeter (HCAL), each composed of a barrel and two endcap ...ECAL ... See full document

... quark and a τ lepton via the RPV coupling λ 0 333 . At hadron colliders, such as the CERN LHC, LQs are mainly pair produced through the quantum chromodynamic (QCD) quark-antiquark annihilation and ... See full document

... section in the simulation by ± 5% ...identification and isolation efficiencies are determined by varying the data-to-simulation scale factors according to their ...scale and resolution are varied ... See full document

... m in length and 6 m in diameter, which provides an axial magnetic field of ...pixel and strip trackers, covering 0 ≤ φ < 2π in azimuth and |η| < ...2.5 in ... See full document

... estimation in data, we apply the average b-tagging rate to control regions of the t-tagging selection defined in section ...mass and N-subjettiness selections ...region and the control region ... See full document

... containing at least two charged lepton candidates (either two elec- trons or two muons) and at least two jets for this ...leptons and the two highest p T jets are considered as the ... See full document

... A search is presented for long-lived charged particles that decay within the CMS de- tector and produce the signature of a disappearing ...deposits and with missing hits in the outer ... See full document

... boson decay, and are well modeled by the ...are in fact a misidentified hadron or jet varies according to the final state, the scale factors are determined independently for each ...channel. ... See full document

... 3 and 4 summarize the 90% CL upper limits on the production cross sections of the DM particles χ χ ¯ , as a function of Mχ .... In general, the effective operator could be a mixture of vector ... See full document

... A search has been performed for pair production of heavy res- onances decaying to pairs of jets in four-jet events from proton– proton collisions at √ s = 8 ... See full document

... an in-time pp collision. Additionally, to remove rare events in which an out-of-time pp collision occurred, usually caused by residual protons found in between proton bunches, we veto events ... See full document

... partners and are usually assumed to be of order unity. In proton–proton collisions, the production and decay of excited quarks, could occur via either gauge or ... See full document

... quarks and leptons may be composite objects of fundamental constituents [ 1 – 9 ...strong at a characteristic scale ...) and leptons (` ∗ ) at the characteristic scale of the new binding ... See full document