Browsing Natural and Mathematical Sciences by Issue Date
Now showing items 281-300 of 1083
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Distributions of topological observables in inclusive three- and four-jet events in pp collisions at s√=7s=7TeV
(Springer, 2015-07)This paper presents distributions of topological observables in inclusive three- and four-jet events produced in pp collisions at a centre-of-mass energy of 7 TeVTeV with a data sample collected by the CMS experiment ... -
Measurement of diffractive dissociation cross sections in pp collisions at root s=7 TeV
(American Physical Society, 2015-07-01)Measurements of diffractive dissociation cross sections in pp collisions at s√=7 TeV are presented in kinematic regions defined by the masses MX and MY of the two final-state hadronic systems separated by the largest ... -
Search for narrow high-mass resonances in proton-proton collisions at √s = 8 TeV decaying to a Z and a Higgs boson
(Elsevier, 2015-07-02)A search for a narrow, high-mass resonance decaying into Z and Higgs (H) bosons is presented. The final state studied consists of a merged jet pair and a τ pair resulting from the decays of Z and H bosons, respectively. ... -
Evidence for collective multiparticle correlations in p-Pb collisions
(American Physical Society, 2015-07-03)The second-order azimuthal anisotropy Fourier harmonics, v2, are obtained in p−Pb and PbPb collisions over a wide pseudorapidity (η) range based on correlations among six or more charged particles. The p-Pb data, corresponding ... -
Constraints on the spin-parity and anomalous HVV couplings of the Higgs boson in proton collisions at 7 and 8 TeV
(American Physical Society, 2015-07-13)The study of the spin-parity and tensor structure of the interactions of the recently discovered Higgs boson is performed using the H→ZZ,Zγ∗,γ∗γ∗→4ℓ, H→WW→ℓνℓν, and H→γγ decay modes. The full data set recorded by the CMS ... -
Constraints on the pMSSM, AMSB model and on other models from the search for long-lived charged particles in proton–proton collisions at s√=8TeV
(Springer, 2015-07-15)Stringent limits are set on the long-lived lepton-like sector of the phenomenological minimal supersymmetric standard model (pMSSM) and the anomaly-mediated supersymmetry breaking (AMSB) model. The limits are derived from ... -
Ωcγ → Ω∗ transition in lattice QCD
(Elsevier, 2015-07-30)We study the electromagnetic View the MathML sourceΩcγ→Ωc⁎ transition in 2+12+1 flavor lattice QCD, which gives access to the dominant decay mode of View the MathML sourceΩc⁎ baryon. The magnetic dipole and the electric ... -
Search for pair-produced resonances decaying to jet pairs in proton-proton collisions at s=8 TeV
(Elsevier, 2015-07-30)Results are reported of a general search for pair production of heavy resonances decaying to pairs of hadronic jets in events with at least four jets. The study is based on up to 19.4 fb−1 of integrated luminosity from ... -
Performance of photon reconstruction and identification with the CMS detector in proton-proton collisions at s = 8 TeV
(IOP Publishing, 2015-08)A description is provided of the performance of the CMS detector for photon reconstruction and identification in proton-proton collisions at a centre-of-mass energy of 8 TeV at the CERN LHC. Details are given on the ... -
Search for the standard model Higgs boson produced through vector boson fusion and decaying to b(b)over-bar
(American Physical Society, 2015-08-01)A first search is reported for a standard model Higgs boson (H) that is produced through vector boson fusion and decays to a bottom-quark pair. Two data samples, corresponding to integrated luminosities of 19.8 fb−1 and ... -
Measurement of the underlying event activity using charged-particle jets in proton-proton collisions at √s=2.76 TeV
(Springer International Publishing, 2015-09)A measurement of the underlying event (UE) activity in proton-proton collisions is performed using events with charged-particle jets produced in the central pseudorapidity region (|η jet| < 2) and with transverse momentum ... -
Search for neutral color-octet weak-triplet scalar particles in proton-proton collisions at √s= 8TeV
(Springer International Publishing, 2015-09)A search for pair production of neutral color-octet weak-triplet scalar particles (Θ0) is performed in processes where one Θ0 decays to a pair of b quark jets and the other to a Z boson plus a jet, with the Z boson decaying ... -
Evidence for transverse-momentum- and pseudorapidity-dependent event-plane fluctuations in PbPb and p Pb collisions
(American Physical Society, 2015-09)A systematic study of the factorization of long-range azimuthal two-particle correlations into a product of single-particle anisotropies is presented as a function of pT and η of both particles and as a function of the ... -
Search for heavy Majorana neutrinos in μ±μ± + jets events in proton–proton collisions at source =8TeV
(Elsevier, 2015-09)A search is performed for heavy Majorana neutrinos (N) using an event signature defined by two muons of the same charge and two jets (μ±μ±jj). The data correspond to an integrated luminosity of 19.7 fb−1 of proton–proton ... -
Search for a pseudoscalar boson decaying into a Z boson and the 125 GeV Higgs boson in l(+)l(-)b(b)over-bar source final states
(Elsevier, 2015-09-02)Results are reported on a search for decays of a pseudoscalar A boson into a Z boson and a light scalar h boson, where the Z boson decays into a pair of oppositely-charged electrons or muons, and the h boson decays into ... -
Search for a Higgs boson in the mass range from 145 to 1000 GeV decaying to a pair of W or Z bosons
(Springer International Publishing, 2015-10)A search for a heavy Higgs boson in the H → WW and H → ZZ decay channels is reported. The search is based upon proton-proton collision data samples corresponding to an integrated luminosity of up to 5.1 fb−1 at s√=7s=7 ... -
Comparison of the Z/γ ∗ + jets to γ + jets cross sections in pp collisions at = 8 TeV
(Springer International Publishing, 2015-10)A comparison of the differential cross sections for the processes Z/γ * + jets and photon (γ)+jets is presented. The measurements are based on data collected with the CMS detector at s√=8s=8 TeV corresponding to an ... -
Search for supersymmetry with photons in pp collisions at root s=8 TeV
(American Physical Society, 2015-10-01)Two searches for physics beyond the standard model in events containing photons are presented. The data sample used corresponds to an integrated luminosity of 19.7 fb−1 of proton-proton collisions at s√=8 TeV, collected ... -
Limits on the Higgs boson lifetime and width from its decay to four charged leptons
(American Physical Society, 2015-10-01)Constraints on the lifetime and width of the Higgs boson are obtained from H→ZZ→4ℓ events using data recorded by the CMS experiment during the LHC run 1 with an integrated luminosity of 5.1 and 19.7 fb−1 at a center-of-mass ... -
Measurements of the ϒ(1S), ϒ(2S), and ϒ(3S) differential cross sections in pp collisions at s=7TeV
(Elsevier, 2015-10-07)Differential cross sections as a function of transverse momentum pT are presented for the production of ϒ(nS) (n = 1, 2, 3) states decaying into a pair of muons. Data corresponding to an integrated luminosity of 4.9View ...
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