Browsing Natural and Mathematical Sciences by Issue Date
Now showing items 181-200 of 1083
-
Measurement of the production cross sections for a Z boson and one or more b jets in pp collisions at root s=7 TeV
(Springer Science+Business Media, 2014-06)The production of a Z boson, decaying into two leptons and produced in association with one or more b jets, is studied using proton-proton collisions delivered by the LHC at a centre-of-mass energy of 7 TeV. The data were ... -
Search for new physics in the multijet and missing transverse momentum final state in proton-proton collisions at root s=8 Tev
(Springer Science+Business Media, 2014-06)A search for new physics is performed in multijet events with large missing transverse momentum produced in proton-proton collisions at root s = 8TeV using a data sample corresponding to an integrated luminosity of 19.5 ... -
Measurement of the t-channel single-top-quark production cross section and of the |V (tb)| CKM matrix element in pp collisions at root s=8 TeV
(Springer Science+Business Media, 2014-06)Measurements are presented of the t-channel single-top-quark production cross section in proton-proton collisions at root s = 8 TeV. The results are based on a data sample corresponding to an integrated luminosity of 19.7 ... -
Alignment of the CMS tracker with LHC and cosmic ray data
(IOP Publishing, 2014-06)Results are reported from a search for supersymmetry in pp collisions at a center-of-mass energy of 8 TeV, based on events with a single isolated lepton (electron or muon) and multiple jets, at least two of which are ... -
Observation of the associated production of a single top quark - and a W boson in pp collisions at root s=8 TeV
(American Physical Society, 2014-06-13)The first observation of the associated production of a single top quark and a W boson is presented. The analysis is based on a data set corresponding to an integrated luminosity of 12.2 fb(-1) of proton-proton collisions ... -
Observation of a peaking structure in the J/psi phi mass spectrum from B-+/- -> J/psi phi K-+/- decays
(Elsevier, 2014-06-27)A peaking structure in the J/psi phi mass spectrum near threshold is observed in B-+/- -> J/psi phi K-+/- decays, produced in pp collisions at root s = 7 TeV collected with the CMS detector at the LHC. The data sample, ... -
Studies of dijet transverse momentum balance and pseudorapidity distributions in pPb collisions at root s(NN)=5.02 TeV
(Springer Science+Business Media, 2014-07)Dijet production has been measured in collisions at a nucleon-nucleon centre-of-mass energy of 5.02. A data sample corresponding to an integrated luminosity of 35 was collected using the Compact Muon Solenoid detector at ... -
Constraints on the Higgs boson width from off-shell production and decay to Z-boson pairs
(Elsevier, 2014-07-09)Constraints are presented on the total width of the recently discovered Higgs boson, Gamma(H), using its relative on-shell and off-shell production and decay rates to a pair of Z bosons, where one Z boson decays to an ... -
Measurement of the production cross section for a W boson and two b jets in pp collisions at root s=7 TeV
(Elsevier, 2014-07-30)The production cross section for a Wboson and two b jets is measured using proton-proton collisions at v root s = 7 TeV in a data sample collected with the CMS experiment at the LHC corresponding to an integrated luminosity ... -
Measurement of jet fragmentation in PbPb and pp collisions at root s(NN)=2.76 TeV
(American Physical Society, 2014-08)The jet fragmentation function of inclusive jets with transverse momentum p(T) above 100 GeV/c in PbPb collisions has been measured using reconstructed charged particles with p(T) above 1 GeV/c in a cone of radius 0.3 ... -
Search for massive resonances in dijet systems containing jets tagged as W or Z boson decays in pp collisions at root s=8 TeV
(Springer Science+Business Media, 2014-08)A search is reported for massive resonances decaying into a quark and a vector boson (W or Z), or two vector bosons (WW, WZ, or ZZ). The analysis is performed on an inclusive sample of multijet events corresponding to an ... -
Search for massive resonances decaying into pairs of boosted bosons in semi-leptonic final states at root s=8 TeV
(Springer Science+Business Media, 2014-08)A search for new resonances decaying to WW, ZZ, or WZ is presented. Final states are considered in which one of the vector bosons decays leptonically and the other hadronically. Results are based on data corresponding to ... -
Measurement of WZ and ZZ production in pp collisions at in final states with b-tagged jets
(Springer Science+Business Media, 2014-08)Measurements are reported of the WZ and ZZ production cross sections in proton-proton collisions at in final states where one Z boson decays to b-tagged jets. The other gauge boson, either W or Z, is detected through its ... -
Search for invisible decays of Higgs bosons in the vector boson fusion and associated ZH production modes
(Springer Science+Business Media, 2014-08)A search for invisible decays of Higgs bosons is performed using the vector boson fusion and associated ZH production modes. In the ZH mode, the Z boson is required to decay to a pair of charged leptons or a bb quark pair. ... -
Measurement of jet multiplicity distributions in t(t)over-bar production in pp collisions at root s=7TeV
(Springer Science+Business Media, 2014-08)The normalised differential top quark-antiquark production cross section is measured as a function of the jet multiplicity in proton-proton collisions at a centre-of-mass energy of 7 TeV at the LHC with the CMS detector. ... -
Search for jet extinction in the inclusive jet-p(T) spectrum from proton-proton collisions at root s=8 TeV
(American Physical Society, 2014-08-01)The first search at the LHC for the extinction of QCD jet production is presented, using data collected with the CMS detector corresponding to an integrated luminosity of 10.7 fb-1 of proton-proton collisions at a ... -
Measurement of the muon charge asymmetry in inclusive pp -> W plus X production at root s=7 TeV and an improved determination of light parton distribution functions
(American Physical Society, 2014-08-01)Measurements of the muon charge asymmetry in inclusive pp -> W + X production at root s = 7 TeV are presented. The data sample corresponds to an integrated luminosity of 4.7 fb(-1) recorded with the CMS detector at the ... -
Search for WW gamma and WZ gamma production and constraints on anomalous quartic gauge couplings in pp collisions at root s=8 TeV
(American Physical Society, 2014-08-01)A search for WV gamma triple vector boson production is presented based on events containing a W boson decaying to a muon or an electron and a neutrino, a second V (W or Z) boson, and a photon. The data correspond to an ... -
Search for anomalous production of events with three or more leptons in pp collisions at root s=8 TeV
(American Physical Society, 2014-08-01)A search for physics beyond the standard model in events with at least three leptons is presented. The data sample, corresponding to an integrated luminosity of 19.5 fb−1 of proton-proton collisions with center-of-mass ... -
Search for the associated production of the Higgs boson with a top-quark pair
(Springer Science+Business Media, 2014-09)A search for the standard model Higgs boson produced in association with a top-quark pair (t (t) over barH) is presented, using data samples corresponding to integrated luminosities of up to 5.1 fb(-1) and 19.7 fb(-1) ...
Share this page
