Browsing Natural and Mathematical Sciences by Issue Date
Now showing items 201-220 of 1083
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Search for the associated production of the Higgs boson with a top-quark pair
(Springer Nature, 2014-09)A search for the standard model Higgs boson produced in association with a top-quark pair (tt¯H)(tt¯H) is presented, using data samples corresponding to integrated luminosities of up to 5.1 fb−1 and 19.7 fb−1 collected ... -
Searches for electroweak production of charginos, neutralinos, and sleptons decaying to leptons and W, Z, and Higgs bosons in pp collisions at 8 TeV
(Springer Nature, 2014-09)Searches for the direct electroweak production of supersymmetric charginos, neutralinos, and sleptons in a variety of signatures with leptons and W, Z, and Higgs bosons are presented. Results are based on a sample of ... -
Measurement of prompt J/psi pair production in pp collisions at root s = 7 Tev
(Springer Science+Business Media, 2014-09)Production of prompt J/psi meson pairs in proton-proton collisions at root s = 7 TeV is measured with the CMS experiment at the LHC in a data sample corresponding to an integrated luminosity of about 4.7 fb(-1). The two ... -
Search for top-squark pairs decaying into Higgs or Z bosons in pp collisions at root s=8 TeV
(Elsevier, 2014-09-07)A search for supersymmetry through the direct pair production of top squarks, with Higgs (H) or Z bosons in the decay chain, is performed using a data sample of proton-proton collisions at root s = 8 TeVcollected in 2012 ... -
Measurement of the ratio B(t -> Wb)/B(t -> Wq) in pp collisions at root s=8 TeV
(Elsevier, 2014-09-07)The ratio of the top-quark branching fractions R = B(t --> Wb)/B(t --> Wq), where the denominator includes the sum over all down-type quarks (q = b, s, d), is measured in the t (t) over bar dilepton final state with ... -
Evidence of b-Jet quenching in PbPb collisions at root S-NN=2.76 TeV
(American Physical Society, 2014-09-26)The production of jets associated to bottom quarks is measured for the first time in PbPb collisions at a center-of-mass energy of 2.76 TeV per nucleon pair. Jet spectra are reported in the transverse momentum (pT) range ... -
Description and performance of track and primary-vertex reconstruction with the CMS tracker
(IOP Publishing, 2014-10)A description is provided of the software algorithms developed for the CMS tracker both for reconstructing charged-particle trajectories in proton-proton interactions and for using the resulting tracks to estimate the ... -
Observation of the diphoton decay of the Higgs boson and measurement of its properties
(Springer Nature, 2014-10)Observation of the diphoton decay mode of the recently discovered Higgs boson and measurement of some of its properties are reported. The analysis uses the entire dataset collected by the CMS experiment in proton-proton ... -
Measurement of pseudorapidity distributions of charged particles in proton-proton collisions at root s=8 TeV by the CMS and TOTEM experiments
(Springer Nature, 2014-10)Pseudorapidity ( ηη ) distributions of charged particles produced in proton–proton collisions at a centre-of-mass energy of 8 TeV TeV are measured in the ranges |η|<2.2|η|<2.2 and 5.3<|η|<6.45.3<|η|<6.4 covered by the ... -
Study of hadronic event-shape variables in multijet final states in pp collisions at √s = 7TeV
(Springer International Publishing, 2014-10)Event-shape variables, which are sensitive to perturbative and nonperturbative aspects of quantum chromodynamic (QCD) interactions, are studied in multijet events recorded in proton-proton collisions at s√=7s=7 TeV. ... -
Erratum: Search for the associated production of the Higgs boson with a top-quark pair
(Springer International Publishing, 2014-10) -
Search for neutral MSSM Higgs bosons decaying to a pair of tau leptons in pp collisions
(Springer International Publishing, 2014-10)A search for neutral Higgs bosons in the minimal supersymmetric extension of the standard model (MSSM) decaying to tau-lepton pairs in pp collisions is performed, using events recorded by the CMS experiment at the LHC. The ... -
Identification techniques for highly boosted W bosons that decay into hadrons
(Springer Nature, 2014-10)A search for neutral Higgs bosons in the minimal supersymmetric extension of the standard model (MSSM) decaying to tau-lepton pairs in pp collisions is performed, using events recorded by the CMS experiment at the LHC. The ... -
Measurement of the ratio of inclusive jet cross sections using the anti-k(T) algorithm with radius parameters R=0.5 and 0.7 in pp collisions at root s=7 TeV
(American Physical Society, 2014-10-01)Measurements of the inclusive jet cross section with the anti-kT clustering algorithm are presented for two radius parameters, R=0.5 and 0.7. They are based on data from LHC proton-proton collisions at s√=7 TeV corresponding ... -
CMS Collaboration
(Elsevier, 2014-11) -
Search for heavy neutrinos and W bosons with right-handed couplings in proton-proton collisions at root s=8TeV
(Springer Nature, 2014-11)A search for heavy, right-handed neutrinos, NℓNℓ ( ℓ=e,μℓ=e,μ ), and right-handed WRWR bosons, which arise in the left-right symmetric extensions of the standard model, has been performed by the CMS experiment. The ... -
Measurement of differential cross sections for the production of a pair of isolated photons in pp collisions at root s=7TeV
(2014-11)A measurement of differential cross sections for the production of a pair of isolated photons in proton–proton collisions at s√=7TeVs=7TeV is presented. The data sample corresponds to an integrated luminosity of 5.0 ... -
Search for standard model production of four top quarks in the lepton + jets channel in pp collisions at √s = 8 TeV
(Springer International Publishing, 2014-11)A search is presented for standard model (SM) production of four top quarks (tt¯tt¯)(tt¯tt¯) in pp collisions in the lepton + jets channel. The data correspond to an integrated luminosity of 19.6 fb−1 recorded at a ... -
Searches for electroweak neutralino and chargino production in channels with Higgs, Z, and W bosons in pp collisions at 8 TeV
(American Physical Society, 2014-11-01)Searches for supersymmetry (SUSY) are presented based on the electroweak pair production of neutralinos and charginos, leading to decay channels with Higgs, Z, and W bosons and undetected lightest SUSY particles (LSPs). ... -
Search for excited quarks in the γ + jet final state in proton-proton collisions at √s=8TeV
(Elsevier, 2014-11-10)A search for excited quarks decaying into the γ+jet final state is presented. The analysis is based on data corresponding to an integrated luminosity of 19.7 fb−1 collected by the CMS experiment in proton–proton collisions ...
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