[PDF] Top 20 Search for a light pseudoscalar Higgs boson produced in association with bottom quarks 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 institutes for their contributions ... See full document

... The ATLAS detector [22] at the LHC covers nearly the entire solid angle 2 around the collision point. It consists of an inner tracking detector surrounded by a thin super- conducting solenoid magnet producing a 2 ... See full document

... sidered in the ...implemented in the likelihood function as Gaus- sian or log-normal ...events in a given bin depends on µ and ...the search sensitivity to be reduced by taking ad- vantage of ... See full document

... A search for the production of single-top-quarks in association with missing energy is performed in proton–proton collisions at a centre-of-mass energy of √ ... See full document

... events in which the associated W boson, and the W boson of the same charge from the tt system, each decay to a lepton and a neutrino, and the remaining W boson decays to ...selected ... See full document

... candidate with the higher p T is assumed to arise from the W boson decay, which is correct 75% of the time in the MC ...processes at p ffiffiffi s ¼ 8 ...included in the last ... See full document

... leptons in SRt3 to account for potentially different compositions (heavy flavour, light flavour or conversions) between the signal regions and the control regions used for the fake-rate extraction, as well ... See full document

... + light-jets, hereafter called t¯t + light, using a labelling based on an algorithm that matches hadrons to particle ...done at generator level using a finer categorisation to distinguish events ... See full document

... exchanged in the s-channel, radiates the Higgs boson and decays into two DM ...to quarks [27] ...to quarks through the Z  ...to quarks (gq); the coupling of Z  to the SM ... See full document

... A search for the Higgs boson produced in association with a W or Z boson in proton- proton collisions at a center-of-mass energy of 7 ... See full document

... built in individual E miss T bins and final states. In each bin the ob- served number of events in data is represented by a Poisson probability density function with a mean equal to the sum of ... See full document

... duction in association with a Z boson, and SM Higgs boson ...background in the SF (DF) category. The other background events have at least one lep- ton which is a ... See full document

... computation with a next-to- next-to-leading logarithmic accuracy using the H Q T ...appearing at transverse momenta much smaller than the mass of the Higgs ...modelled with M AD G RAPH 5.1 ... See full document

... used in the photon selection are: isolation variables based on the particle- flow (PF) algorithm [15], the ratio of the energy in the hadron calorimeter towers behind the supercluster to the electromagnetic ... See full document

... A search for pair production of the B quark with vectorlike couplings to W, Z, and Higgs bosons has been performed, using data recorded by the CMS experiment from proton-proton collisions ... See full document

... events with a electron of misidentified charge, (ii) single-lepton events with an extra misidentified or non-isolated lepton candidate, and (iii) events with two prompt leptons of the same ... See full document

... A search for evidence of particle dark matter (DM) and unparticle production at the LHC has been performed using events containing two charged leptons, consistent with the decay of a Z boson, ... See full document

... [1–3], with a mass of 125 GeV and with properties consistent with the standard model (SM) Higgs boson [4], severely constrain SM extensions that incorporate scalar sectors ...the ... See full document

... be produced at the Large Hadron Collider (LHC) in pairs predominantly through gg fusion and qq annihila- tion, and the contributions from lepton t-channel exchange are suppressed by the leptoquark ... See full document

... A search for a light charged Higgs boson, originating from the decay of a top quark and subsequently decaying into a charm quark and a strange antiquark, is ...used in the analysis ... See full document