[PDF] Top 20 Search for neutral color-octet weak-triplet scalar particles in proton-proton 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 institutes for their contributions ... See full document

... H. Esch 43 , C. Escobar 125 , B. Esposito 47 , A.I. Etienvre 138 , E. Etzion 155 , H. Evans 61 , A. Ezhilov 123 , L. Fabbri 20a,20b , G. Facini 31 , R.M. Fakhrutdinov 130 , S. Falciano 134a , R.J. Falla 78 , J. ... See full document

... presented in Fig. 6. In order to increase the number of tested models, the lifetime distributions of the signal long-lived particles are reweighted to different mean values, between ...listed ... See full document

... 13 TeV MC ...are neutral at production. For this search, results are obtained for two different values of f, ...a neutral particle before it enters the muon ...to search for ... See full document

... individual particles with an optimized combination of information from the various elements of the CMS detec- ...momentum at the primary interaction vertex as measured by the tracker, the energy of the ... See full document

... hypothetical particles that carry both lepton (L) and baryon (B) quantum ...appear in theories beyond the standard model (SM), such as grand unifica- tion [1–3], technicolor [4], and compositeness [5, 6] ... See full document

... contain at least two particles, one of which is a charged ...by neutral hadrons, pho- tons, electrons, and muons must be less than ...conducted in a regime where the purity and acceptance of ... See full document

... resonance in the data, as seen from Fig. 1. The most signifi- cant excess in the data relative to the background fit occurs for a dijet mass of ...bin at 3.9 TeV and neighboring bins, has a ... See full document

... analyses at high and low values of the t¯t invariant mass, ...use in the declustering of jets for the identification of jet ...employed in the lepton þ jets analysis to identify the hadronic decay of ... See full document

... models in which there are two long-lived particles, this generator-level selection approximately replicates the reconstruction-level ...jets in the event, the displacements of the long-lived ... See full document

... have at least one primary vertex reconstructed within | z | < 24 cm from the center of the detector and with a transverse distance less than 2 cm from the ...individual particles using an optimized ... See full document

... flavor-changing neutral currents and other rare pro- cesses suggest that searches should focus on leptoquarks that couple to quarks and leptons within the same SM generation, for leptoquark masses accessible to ... See full document

... “high-mass” search focusing on top squark masses above 300 GeV, which uses the entire ...mass search sensitivity by 40 ...individual particles such as photons, leptons, and neutral and charged ... See full document

... deposits in the calorimeter within a cone  R =  ( η ) 2 + (φ) 2 = 0 ...pp collisions within the same or the adjacent LHC bunch ...charged particles originating from pileup. The contributions to ... See full document

... of neutral massive particles that are “invisible”, that is, they interact only weakly with ...Such particles can be produced in collider experiments, but escape detection so that their ... See full document

... momentum at the primary interaction vertex as determined by the tracker, the energy of the corresponding ECAL cluster, and the energy sum of all bremsstrahlung photons spatially compatible with origi- nating from ... See full document

... single particles by combining information from all ...used in the jet clustering ...clustered in jets from neutral particles in pileup interactions, using the FASTJET software ... See full document

... efficiencies in the simulation and data. This effect is evaluated in an independent study in which artificial signal-like vertices are produced in background events by displacing tracks ... See full document

... bins in p T jet is expected because of the energy resolution, mainly between the first and second bins ( < 30%), while migrations between the second and third bins are less than ...same in the two Z ... See full document

... excluded at 95% confidence level, as are charginos with lifetimes from ...previous search for disappearing tracks performed by the CMS Collaboration [12] and are complementary to the limits set by searches ... See full document