[PDF] Top 20 Search for top-squark pair production in the single-lepton final state in pp collisions at $\sqrt{s}$ = 8 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

... obtained at the 95% confidence ...if the branching fraction of the scalar leptoquark decay to τ lepton and b quark is assumed to be unity, third-generation scalar leptoquarks with ... See full document

... uncertainty in the ttZ production cross section is estimated from a data control sample with three reconstructed charged leptons drawn from a larger event sample that has been collected with a set of ... See full document

... of pp collision data taken at √ s = 8 TeV, we search for direct top squark pair production in both single-lepton and dilepton ... See full document

... GeV. In the ` +jets channels, changes in the renormalization and factorization scales are also applied to single top quark events to determine an uncertainty on the shape ... See full document

... used in this analysis were collected by the ATLAS detector in pp collisions at the LHC with a centre-of-mass energy of 13 TeV and 25 ns proton bunch crossing ... See full document

... dedicated search for pair production of scalar partners of charm quarks are ...reported. The search is based on an integrated luminosity of ...of pp collisions at √ ... See full document

... for the event sample with at least three leptons as a function of number of b jets, number of jets, and E miss T for events that do not contain (off-Z), top row, or contain (on-Z), bottom row, an OS ... See full document

... yields. The un- certainty on the signal cross-sections is calculated with an envelope of cross-section predictions which is defined using the 68% CL ranges of the CTEQ [ 39 ] (including ... See full document

... D. Abbaneo, E. Auffray, G. Auzinger, M. Bachtis, P. Baillon, A.H. Ball, D. Barney, J.F. Benitez, C. Bernet 6 , G. Bianchi, P. Bloch, A. Bocci, A. Bonato, C. Botta, H. Breuker, T. Camporesi, G. Cerminara, T. Christiansen, ... See full document

... reduce the background from jets containing leptons, we im- pose isolation constraints on the transverse energy E T , cone from charged-particle tracks or deposits in the calorimeter within a ... See full document

... pass the signal selection if in addition to two re- constructed and b-tagged jets an extra jet is misidentified as an isolated lepton, or a non-prompt lepton appears to be isolated (both ... See full document

... America. In addition, individual groups and members have received support from BCKDF, the Canada Council, CANARIE, CRC, Compute Canada, FQRNT, and the Ontario Innovation Trust, Canada; EPLANET, ERC, ... See full document

... with the Standard Model (SM) Higgs boson by the ATLAS [ 1 ] and CMS [ 2 ] collaborations is a major milestone in high-energy ...However, the underlying nature of electroweak symmetry breaking ... See full document

... defined in Eqs. 8–11 is employed in two separate types of fits that pro- vide complementary but compatible background estimates based on an ABCD ...model. The first type of fit, which we call ... See full document

... testing the SM predictions at the electroweak scale, associated tW production is of interest because of its sensitivity to non-SM couplings of the Wtb vertex [12–16], while being ... See full document

... by the ATLAS and CMS experiments in 2012 [1–3] opened a new field for exploration in particle ...physics. The Higgs boson was discovered through its direct coupling to other known heavy bosons ... See full document

... and the main kine- matic variables used in the analysis are described in detail in ...]. The central feature of the CMS apparatus is a supercon- ducting solenoid, of 6 m ... See full document

... for the LL background prediction is derived from a closure test, which assesses whether the method can correctly predict the background yield in simu- lated event ...samples. The test ... See full document

... experiments at the Tevatron using measure- ments at the LHC is complicated by several differences between the two ...while at the Tevatron the majority of ... See full document