[PDF] Top 20 Search for gluino mediated bottom- and top-squark production in multijet final states in pp collisions at 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 institutes ... See full document

... MPG and AvH Foundation, Germany; GSRT and NSRF, Greece; ISF, MINERVA, GIF, I- CORE and Benozi yo Center, Israel; INFN, Italy; MEXT and JSPS, Japan; CNRST, Mo- rocco; FOM and NWO, ... See full document

... ciencies, and trigger ...tions in collision events. The scale factors in this category are estimated separately for each SM background ...approximations in matrix element calculations ... See full document

... used in the prediction are defined as follows: r is the probability for real leptons satisfying the loose selection criteria to also pass the tight selection and f is the equivalent probability for fake ... See full document

... utilised in the event selections and for constructing kinematic ...The search for a heavy stop exploits a specialised technique, which reconstructs several decay products in a single ... See full document

... data and simulation samples as well as the control and search regions are all defined to be kinematically similar, so most of the uncertainties due to mismodelling of event kinemat- ics or ... See full document

... periment at a center-of-mass energy of √ s = 8 TeV, corresponding to an integrated luminosity of ...supersymmetry production is found, and 95% CL upper limits are set on the ... See full document

... evaluated in several validation ...algorithm in a larger sample of ...inverted. In all cases these validation regions are background- dominated with a potential signal contamination of less than 20% ... See full document

... expected in the ...However, in many models beyond the SM (BSM) involving massive coloured bosons, Higgs boson or top quark compositeness, or extra dimensions, σ tttt is enhanced [4, ...6–11]. ... See full document

... a search for natural gauge-mediated supersymmetry (SUSY) in a scenario in which the top squark is the lightest squark, the next-to-lightest SUSY particle is a bino-like ... See full document

... [28], and, since then, other studies have become available ...that in BSM physics an enhancement of the HH production cross sec- tion is expected, together with modified signal kinematics for the HH ... See full document

... observed and upper limits at the 95% CL on the branching fractions of t → Hc and t → Hu are determined using the modified frequentist approach (asymptotic CLs method ...Hc) and B(t → Hu) are ... See full document

... [1–4]. In contrast to the W boson, which couples only to left-handed fermions, the couplings of the W 0 boson may be purely left-handed, purely right- handed, or a mixture of the two, depending on the ...conducted ... See full document

... Uncertainties in the modelling of the top-quark pair and single-top-quark (Wt) backgrounds are sub- dominant in SRA and dominant in ...samples and those of ... See full document

... A search for new physics is performed based on all-hadronic events with large miss- ing transverse momentum produced in proton-proton collisions at √ s = 13 ...detector at the CERN LHC ... See full document

... aid in the estimation of the background from SM processes and to model the SUSY ...shower and hadronisation generator, cross-section normalisation, parton distribution function (PDF) set and ... See full document

... 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 institutes ... See full document

... J.B. De Vivie De Regie 117 , W.J. Dearnaley 72 , R. Debbe 25 , C. Debenedetti 137 , D.V. Dedovich 65 , I. Deigaard 107 , J. Del Peso 82 , T. Del Prete 124a,124b , D. Delgove 117 , F. Deliot 136 , C.M. Delitzsch 49 , M. ... See full document

... The search for a low mass top squark, the scalar partner of the top quark, is of particular interest following the discovery of a Higgs boson [9–11], as it would substantially contribute to ... See full document

... This final state is motivated by many extensions of the SM, for example those given in ...[6–8]. At the LHC, both the CMS and ATLAS collaborations have performed SUSY searches in ... See full document