Browsing Natural and Mathematical Sciences by Issue Date
Now showing items 121-140 of 1083
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Search for gluino mediated bottom- and top-squark production in multijet final states in pp collisions at 8 TeV
(Elsevier, 2013-10)A search for supersymmetry is presented based on events with large missing transverse energy, no isolated electron or muon, and at least three jets with one or more identified as a bottom-quark jet. A simultaneous examination ... -
Measurement of the production cross section for Z gamma -> nu(nu)over-bar gamma in pp collisions at root s=7 TeV and limits on ZZ gamma and Z gamma gamma triple gauge boson couplings
(Springer Science+Business Media, 2013-10)A measurement of the Zγ→νν¯γ cross section in pp collisions at s√=7 TeV is presented, using data corresponding to an integrated luminosity of 5.0 fb−1 collected with the CMS detector. This measurement is based on the ... -
Measurement of the W-boson helicity in top-quark decays from t(t)over-bar production in lepton plus jets events in pp collisions at root s=7 TeV
(Springer Science+Business Media, 2013-10)The W-boson helicity fractions in top-quark decays are measured with TeX events in the lepton+jets final state, using proton-proton collisions at a centre-of-mass energy of 7 TeV, collected in 2011 with the CMS detector ... -
Measurement of the hadronic activity in events with a Z and two jets and extraction of the cross section for the electroweak production of a Z with two jets in pp collisions at s√=7 TeV
(Springer International Publishing, 2013-10)The first measurement of the electroweak production cross section of a Z boson with two jets (Zjj) in pp collisions at s√=7s=7 TeV is presented, based on a data sample recorded by the CMS experiment at the LHC with an ... -
The performance of the CMS muon detector in proton-proton collisions at √ s = 7 TeV at the LHC
(IOP Publishing, 2013-11)The performance of all subsystems of the CMS muon detector has been studied by using a sample of proton-proton collision data at √s = 7 TeV collected at the LHC in 2010 that corresponds to an integrated luminosity of ... -
Search for a Higgs boson decaying into a Z and a photon in pp collisions at =7 and 8 TeV
(Elsevier, 2013-11-04)A search for a Higgs boson decaying into a Z boson and a photon is described. The analysis is performed using proton–proton collision datasets recorded by the CMS detector at the LHC. Events were collected at center-of-mass ... -
Search for a non-standard-model Higgs boson decaying to a pair of new light bosons in four-muon final states
(Elsevier, 2013-11-04)Results are reported from a search for non-standard-model Higgs boson decays to pairs of new light bosons, each of which decays into the μ+μ− final state. The new bosons may be produced either promptly or via a decay chain. ... -
Electromagnetic properties of doubly charmed baryons in Lattice QCD
(Elsevier, 2013-11-04)We compute the electromagnetic properties of Ξcc baryons in (2+1)-flavor Lattice QCD. By measuring the electric charge and magnetic form factors of Ξcc baryons, we extract the magnetic moments, charge and magnetic radii ... -
Searches for new physics using the t(t)over-bar invariant mass distribution in pp collisions at root s=8 TeV
(American Physical Society, 2013-11-22)Searches for anomalous top quark-antiquark production are presented, based on pp collisions at root s = 8 TeV. The data, corresponding to an integrated luminosity of 19.7 fb(-1), were collected with the CMS detector at the ... -
Angular analysis and branching fraction measurement of the decay B-0 -> K*(0)mu(+)mu(-)
(Elsevier, 2013-11-25)The angular distributions and the differential branching fraction of the decay B0→K⁎(892)0μ+μ− are studied using a data sample corresponding to an integrated luminosity of 5.2 fb−1 collected with the CMS detector at the ... -
Search for a new bottomonium state decaying to ϒ(1S)π+π− in pp collisions at =b TeV
(Elsevier, 2013-11-25)The results of a search for the bottomonium counterpart, denoted as Xb, of the exotic charmonium state X(3872) is presented. The analysis is based on a sample of pp collisions at View the MathML source collected by the CMS ... -
Measurement of the ϒ(1S), ϒ(2S), and ϒ(3S) cross sections in pp collisions at =7 TeV
(Elsevier, 2013-11-25)The Υ(1S), Υ(2S), and Υ(3S) production cross sections are measured using a data sample corresponding to an integrated luminosity of 35.8±1.4 pb−1 of proton–proton collisions at s√=7 TeV, collected with the CMS detector at ... -
Search for top squarks in r-parity-violating supersymmetry using three or more leptons and b-tagged jets
(American Physical Society, 2013-11-27)A search for anomalous production of events with three or more isolated leptons and bottom-quark jets produced in pp collisions at s√=8 TeV is presented. The analysis is based on a data sample corresponding to an integrated ... -
Jet and underlying event properties as a function of charged-particle multiplicity in proton–proton collisions at TeX
(Springer Science+Business Media, 2013-12)Characteristics of multi-particle production in proton-proton collisions at root s = 7 TeV are studied as a function of the charged-particle multiplicity, N (ch). The produced particles are separated into two classes: those ... -
Measurement of the differential and double-differential Drell-Yan cross sections in proton-proton collisions at s√ = 7 TeV
(Springer Science+Business Media, 2013-12)Measurements of the differential and double-differential Drell-Yan cross sections are presented using an integrated luminosity of 4.5 (4.8) fb−1 in the dimuon (dielectron) channel of proton-proton collision data recorded ... -
Measurement of the cross section and angular correlations for associated production of a Z boson with b hadrons in pp collisions at s√ = 7 TeV
(Elsevier, 2013-12)A study of proton-proton collisions in which two b hadrons are produced in association with a Z boson is reported. The collisions were recorded at a centre-of-mass energy of 7 TeVwith the CMS detector at the LHC, for an ... -
Search for top-squark pair production in the single-lepton final state in pp collisions at √s = 8 TeV
(Springer Science+Business Media, 2013-12)This paper presents a search for the pair production of top squarks in events with a single isolated electron or muon, jets, large missing transverse momentum, and large transverse mass. The data sample corresponds to an ... -
Rapidity distributions in exclusive Z plus jet and gamma plus jet events in pp collisions at root s=7 TeV
(American Physical Society, 2013-12-01)Rapidity distributions are presented for events containing either a Z boson or a photon with a single jet in proton-proton collisions produced at the CERN LHC. The data, collected with the CMS detector at s√=7 TeV, ... -
Measurement of the prompt J/ψ and ψ(2S) polarizations in pp collisions at =7 TeV
(Elsevier, 2013-12-18)The polarizations of prompt J/ψ and ψ(2S) mesons are measured in proton–proton collisions at View the MathML source, using a dimuon data sample collected by the CMS experiment at the LHC, corresponding to an integrated ... -
Electromagnetic structure of charmed hadrons
(IOP Publishing, 2014)We compute the electromagnetic structures of D and D* mesons, the singly charmed Σc, Ωc and the doubly charmed Ξcc, Ωcc baryons in 2+1 flavor Lattice QCD. We extract the charge radii and the magnetic moments of these ...
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