Browsing Natural and Mathematical Sciences by Issue Date
Now showing items 461-480 of 1083
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A search for new phenomena in pp collisions at √s = 13 TeV in final states with missing transverse momentum and at least one jet using the αT variable
(Springer International Publishing, 2017)A search for new phenomena is performed in final states containing one or more jets and an imbalance in transverse momentum in pp collisions at a centre-of-mass energy of 13 TeVTeV . The analysed data sample, recorded ... -
Relative modification of prompt ψ (2S) and J / ψ yields from pp to PbPb collisions at √sNN = 5.02 TeV
(American Physical Society, 2017)The relative modification of the prompt ψð2SÞ and J=ψ yields from pp to PbPb collisions, at the centerof-mass energy of 5.02 TeV per nucleon pair, is presented. The analysis is based on pp and PbPb data samples collected ... -
Measurement of the top quark mass using single top quark events in proton-proton collisions at √s = 8 TeV
(Springer International Publishing, 2017)A measurement of the top quark mass is reported in events containing a single top quark produced via the electroweak t channel. The analysis is performed using data from proton-proton collisions collected with the CMS ... -
Investigating the structure of X(4140) in QCD
(EDP Sciences, 2017)In this work, the masses of the ground states coupling to molecular or tetraquark currents with JPC = 0++, 1++, 2++ are studied to investigate the structure of X(4140) exotic meson observed at J/ψφ invariant mass spectrum. ... -
Search for black holes and other new phenomena in high-multiplicity final states in proton–proton collisions at √s = 13 TeV
(Elsevier, 2017)A search for new physics in energetic, high-multiplicity final states has been performed using proton-proton collision data collected with the CMS detector at a center-of-mass energy of 13 TeV and corresponding to an ... -
Analysis of X(4140) like states and their radial excitations in QCD
(Sissa Medialab Srl, 2017)In this work, we investigated the X(4140) and like states and their radial excitations by using molecular and diquark-antidiquark currents which couple to scalar, axial vector and tensor states via QCD sum rules. In operator ... -
Search for heavy gauge W bosons in events with an energetic lepton and large missing transverse momentum at √s = 13 TeV
(Elsevier, 2017)A search is presented for W bosons in events with an electron or muon and large missing transverse momentum, using proton–proton collision data at √s = 13 TeV collected with the CMS detector in 2015 and corresponding to ... -
Molecular modeling of MOF membranes for gas separations
(World Scientific Publishing Co., 2017-01-01)Metal organic frameworks (MOFs) have received significant attention as membrane materials in the last decade. MOFs typically have high porosities, tunable pore sizes, large surface areas, reasonable thermal and mechanical ... -
Inclusive search for supersymmetry using razor variables in pp collisions at √s=13 TeV
(American Physical Society, 2017-01-06)An inclusive search for supersymmetry using razor variables is performed in events with four or more jets and no more than one lepton. The results are based on a sample of proton-proton collisions corresponding to an ... -
Search for R-parity violating supersymmetry with displaced vertices in proton-proton collisions at √s=8 TeV
(American Physical Society, 2017-01-25)Results are reported from a search for R-parity violating supersymmetry in proton-proton collision events collected by the CMS experiment at a center-of-mass energy of root s = 8 TeV. The data sample corresponds to an ... -
Search for supersymmetry in events with one lepton and multiple jets in proton-proton collisions at √s=13TeV
(American Physical Society, 2017-01-27)A search for supersymmetry is performed in events with a single electron or muon in proton-proton collisions at a center-of-mass energy of 13 TeV. The data were recorded by the CMS experiment at the LHC and correspond to ... -
Search for heavy resonances decaying to tau lepton pairs in proton-proton collisions at s√=13s=13 TeV
(Springer International Publishing, 2017-02)A search for heavy resonances that decay to tau lepton pairs is performed using proton-proton collisions at s√=13s=13 TeV. The data were collected with the CMS detector at the CERN LHC and correspond to an integrated ... -
Search for top quark decays via Higgs-boson-mediated flavor-changing neutral currents in pp collisions at root √s = 8 TeV
(Springer International Publishing, 2017-02-15)A search is performed for Higgs-boson-mediated flavor-changing neutral currents in the decays of top quarks. The search is based on proton-proton collision data corresponding to an integrated luminosity of 19.7 fb(-1) at ... -
Search for massive resonances decaying into WW, WZ or ZZ bosons in proton-proton collisions at s√=13s=13 TeV
(Springer International Publishing, 2017-03)A search is presented for new massive resonances decaying to WW, WZ or ZZ bosons in ℓνqq¯¯ℓνqq¯ and qq¯¯qq¯¯qq¯qq¯ final states. Results are based on data corresponding to an integrated luminosity of 2.3-2.7 fb−1 recorded ... -
Measurement of the transverse momentum spectrum of the Higgs boson produced in pp collisions at √s=8 TeV using H → WW decays
(Springer Nature, 2017-03)The cross section for Higgs boson production in pp collisions is studied using the H → W+W− decay mode, followed by leptonic decays of the W bosons to an oppositely charged electron-muon pair in the final state. The ... -
Search for dark matter and unparticles in events with a Z boson and missing transverse momentum in proton-proton collisions at s√=13 TeV
(Springer International Publishing, 2017-03-10)A search for dark matter and unparticle production at the LHC has been performed using events containing two charged leptons (electrons or muons), consistent with the decay of a Z boson, and large missing transverse momentum. ... -
Measurements of differential production cross sections for a Z boson in association with jets in pp collisions at s√=8s=8 TeV
(Springer International Publishing, 2017-04)Cross sections for the production of a Z boson in association with jets in proton-proton collisions at a centre-of-mass energy of s√=8s=8 TeV are measured using a data sample collected by the CMS experiment at the LHC ... -
Suppression and azimuthal anisotropy of prompt and nonprompt J/psi production in PbPb collisions at root S-NN=2.76 TeV
(Springer International Publishing, 2017-04)The nuclear modification factor R-AA and the azimuthal anisotropy coefficient v(2) ofprompt and nonprompt (i.e. those from decays of b hadrons) J/psi mesons, measured from PbPb and pp collisions at root S-NN = 2.76 rfeV ... -
Measurement of prompt and nonprompt J/psi production in pp and pPb collisions at root s(NN)=5.02 TeV
(Springer International Publishing, 2017-04)This paper reports the measurement of J/psi meson production in proton proton (pp) and proton lead (pPb) collisions at a center-of-mass energy per nucleon pair of 5.02 TeV by the CMS experiment at the LW. The data samples ... -
Search for electroweak production of charginos in final states with two T leptons in pp collisions at root s=8 TeV
(Springer International Publishing, 2017-04-04)Results are presented from a search for the electroweak production of supersymmetric particles in pp collisions in final states with two τ leptons. The data sample corresponds to an integrated luminosity between 18.1 fb−1 ...
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