Browsing Natural and Mathematical Sciences by Issue Date
Now showing items 441-460 of 1083
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Conditional speed of branching Brownian motion, skeleton decomposition and application to random obstacles
(Institute of Mathematical Statistics, 2017)We study a branching Brownian motion ZZ in RdRd, among obstacles scattered according to a Poisson random measure with a radially decaying intensity. Obstacles are balls with constant radius and each one works as a trap for ... -
Charged-particle nuclear modification factors in PbPb and pPb collisions at root s(NN)=5.02 TeV
(Springer International Publishing, 2017)The spectra of charged particles produced within the pseudorapidity window |η| < 1 at sNN−−−−√=5.02sNN=5.02 TeV are measured using 404 μb−1 of PbPb and 27.4 pb−1 of pp data collected by the CMS detector at the LHC in ... -
Observation of gamma(1S) pair production in proton-proton collisions at root s=8 TeV
(Springer International Publishing , 2017)Pair production of gamma(1S) mesons is observed at the LHC in proton-proton collisions at root s = 8 TeV by the CMS experiment in a data sample corresponding to an integrated luminosity of 20.7 fb(-1). Both gamma(1S) ... -
Measurement and QCD analysis of double-differential inclusive jet cross sections in pp collisions at root s=8 TeV and cross section ratios to 2.76 and 7 TeV
(Springer International Publishing, 2017)A measurement of the double-differential inclusive jet cross section as a function of the jet transverse momentum pT and the absolute jet rapidity |y| is presented. Data from LHC proton-proton collisions at s√=8s=8 TeV, ... -
Search for electroweak production of a vector-like quark decaying to a top quark and a Higgs boson using boosted topologies in fully hadronic final states
(Springer International Publishing, 2017)A search is performed for electroweak production of a vector-like top quark partner T of charge 2/3 in association with a standard model top or bottom quark, using 2.3 fb−1 of proton-proton collision data at s√=13s=13 ... -
Measurement of differential cross sections for top quark pair production using the lepton plus jets final state in proton-proton collisions at 13 TeV
(American Physical Society, 2017)Differential and double-differential cross sections for the production of top quark pairs in proton-proton collisions at 13 TeV are measured as a function of jet multiplicity and of kinematic variables of the top quarks ... -
Relative modification of prompt psi(2S) and J/psi yields from pp to PbPb collisions at root(S)(NN)=5.02 TeV
(American Physical Society, 2017)The relative modification of the prompt psi(2S) and J/psi yields from pp to PbPb collisions, at the center-of- mass energy of 5.02 TeV per nucleon pair, is presented. The analysis is based on pp and PbPb data samples ... -
Measurement of double-differential cross sections for top quark pair production in pp collisions at s√=8 TeV and impact on parton distribution functions
(Springer International Publishing, 2017)Normalized double-differential cross sections for top quark pair ( tt¯tt¯ ) production are measured in pp collisions at a centre-of-mass energy of 8 TeVTeV with the CMS experiment at the LHC. The analyzed data correspond ... -
Measurement of the cross section for electroweak production of Zγ in association with two jets and constraints on anomalous quartic gauge couplings in proton–proton collisions at √s = 8 TeV
(Elsevier, 2017)A measurement is presented of the cross section for the electroweak production of a Z boson and a photon in association with two jets in proton-proton collisions at root s = 8 TeV. The Z bosons are identified through their ... -
Suppression of ϒ(1S), ϒ(2S), and ϒ(3S) quarkonium states in PbPb collisions at √sNN = 2.76 TeV
(Elsevier, 2017)The production yields of ϒ(1S), ϒ(2S), and ϒ(3S) quarkonium states are measured through their decays into muon pairs in the CMS detector, in PbPb and pp collisions at the centre-of-mass energy per nucleon pair of 2.76 ... -
Performance analysis of relay-assisted NLOS ultraviolet communications over turbulence channels
(IEEE, 2017)Ultraviolet (UV) communication enables non-line-of-sight (NLOS) outdoor wireless connectivity and is particularly desirable for relaxing or eliminating pointing and tracking requirements of infrared links. In the current ... -
Structure and dynamics of charmed baryons in lattice QCD
(AIP, 2017)I report on the transition from factors of Ωcγ → Ωc ∗ and the preliminary results for Ξcγ → Ξ' c transitions in lattice QCD, which give access to the only decay modes of Ωc∗ and Ξ' c. The decay rates of Ωc ∗ and Ξ' c as ... -
Search for new physics with dijet angular distributions in proton-proton collisions at √s = 13 TeV
(Springer International Publishing, 2017)A search is presented for extra spatial dimensions, quantum black holes, and quark contact interactions in measurements of dijet angular distributions in proton-proton collisions at s√=13s=13 TeV. The data were collected ... -
Facile synthesis of 2D Zn(II) coordination polymer and its crystal structure, selective removal of methylene blue and molecular simulations
(Elsevier, 2017)A new coordination polymer {[Zn(μ3-ppda)(H2O)(μ-bpa)Zn(μ-ppda)(μ-bpa)]·4H2O}n (1) (ppda = 1,4-phenylenediacetate, bpa = 1,2-bis(4-pyridyl)ethane) has been synthesized by microwave-assisted reaction and characterized by ... -
Search for narrow resonances in dijet final states at s√=8 TeV with the novel CMS technique of data scouting
(American Institute of Physics Inc., 2017)Narrow resonances decaying into dijet final states are searched with the data obtained from proton-proton collisions at a center-of-mass energy of 8 TeV, corresponding to an integrated luminosity of 18.8 f b−1. The data ... -
Measurement of the production cross section of a W boson in association with two b jets in pp collisions at root s=8TeV
(Springer International Publishing, 2017)The production cross section of a W boson in association with two b jets is measured using a sample of proton-proton collisions at root s = 8 TeV collected by the CMS experiment at the CERN LHC. The data sample corresponds ... -
Measurement of the t(t)over-bar production cross section using events in the e mu final state in pp collisions at root s=13 TeV
(Springer International Publishing, 2017)The cross section of top quark-antiquark pair production in proton-proton collisions at root s = 13 TeV is measured by the CMS experiment at the LHC, using data corresponding to an integrated luminosity of 2.2 fb(-1). The ... -
Measurement of the WZ production cross section in pp collisions at root s=7 and 8 TeV and search for anomalous triple gauge couplings at root s=8 TeV
(Springer International Publishing, 2017)The WZ production cross section is measured by the CMS experiment at the CERN LHC in proton proton collision data samples corresponding to integrated luminosities of 4.9 fb(-1) collected at root s = 7 TeV, and 19.6fb(-1) ... -
Searches for pair production of third-generation squarks in √s = 13 TeV pp collisions
(Springer International Publishing, 2017)Searches are presented for direct production of top or bottom squark pairs in proton–proton collisions at the CERN LHC. Two searches, based on complementary techniques, are performed in all-jet final states that are ... -
Zinc(II) and cadmium(II) coordination polymers containing phenylenediacetate and 4,4′-azobis(pyridine) ligands: Syntheses, structures, dye adsorption properties and molecular dynamics simulations
(Elsevier, 2017)Two new coordination polymers (CPs) – [Zn(µ4-ppda)(µ-abpy)0.5]n(1) and [Cd(μ3-opda)(µ-abpy)0.5(H2O)]n(2) (o/ppda = 1,2/1,4-phenylenediacetate, abpy = 4,4′-azobis(pyridine)) – have been synthesized by using Zn(II)/Cd(II) ...
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