Browsing Natural and Mathematical Sciences by Issue Date
Now showing items 81-100 of 1083
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Measurement of the X(3872) production cross section via decays to J/psi pi(+)pi(-) in pp collisions at root s=7 TeV
(Springer Science+Business Media, 2013-04)The production of the X(3872) is studied in pp collisions at root s = 7TeV, using decays to J/psi pi(+)pi(-), where the J/psi decays to two muons. The data were recorded by the CMS experiment and correspond to an integrated ... -
Study of the underlying event at forward rapidity in pp collisions at root s=0.9, 2.76, and 7 TeV
(Springer Science+Business Media, 2013-04)The underlying event activity in proton-proton collisions at forward pseudorapidity (-6.6 < eta < -5.2) is studied with the CMS detector at the LHC, using a novel observable: the ratio of the forward energy density, ... -
Measurement of the t(t)over-bar production cross section in the tau plus jets channel in pp collisions at root s=7 TeV
(Springer Science+Business Media, 2013-04)The top-quark pair production cross section in 7 TeV center-of-mass energy proton-proton collisions is measured using data collected by the CMS detector at the LHC. The measurement uses events with one jet identified as a ... -
Search for supersymmetry in events with opposite-sign dileptons and missing transverse energy using an artificial neural network
(American Physical Society, 2013-04-01)In this paper, a search for supersymmetry (SUSY) is presented in events with two opposite-sign isolated leptons in the final state, accompanied by hadronic jets and missing transverse energy. An artificial neural network ... -
Search for Z ' resonances decaying to t(t)over-bar in dilepton plus jets final states in pp collisions at root s=7 TeV
(American Physical Society, 2013-04-01)A search for resonances decaying to top quark-antiquark pairs is performed using a dilepton + jets data sample recorded by the CMS experiment at the LHC in pp collisions at root s = 7 TeV corresponding to an integrated ... -
Search for new physics in final states with a lepton and missing transverse energy in pp collisions at the LHC
(American Physical Society, 2013-04-01)This Letter describes the search for an enhanced production rate of events with a charged lepton and a neutrino in high-energy pp collisions at the LHC. The analysis uses data collected with the CMS detector, with an ... -
Search for pair-produced dijet resonances in four-jet final states in pp collisions at root s=7 TeV
(American Physical Society, 2013-04-05)A search for the pair production of a heavy, narrow resonance decaying into two jets has been performed using events collected in root s = 7 TeV pp collisions with the CMS detector at the LHC. The data sample corresponds ... -
Measurement of the W+W- and ZZ production cross sections in pp collisions at root s=8 TeV
(Elsevier, 2013-04-25)The W+W- and ZZ production cross sections are measured in proton-proton collisions at root s = 8 TeV with the CMS experiment at the LHC in data samples corresponding to an integrated luminosity of up to 5.3 fb(-1). The ... -
Measurement of associated production of vector bosons and top quark-antiquark pairs in pp collisions at root s=7 TeV
(American Physical Society, 2013-04-26)The first measurement of vector-boson production associated with a top quark-antiquark pair in proton-proton collisions at root s = 7 TeV is presented. The results are based on a data set corresponding to an integrated ... -
Measurement of the t(t)over-bar production cross section in the all-jet final state in pp collisions at root s=7 TeV
(Springer Science+Business Media, 2013-05)A measurement is presented of the t (t) over bar production cross section (sigma(t (t) over bar)) in proton-proton collisions at a centre-of-mass energy of 7 TeV, in the all-jet final state that contains at least six jets, ... -
Studies of jet mass in dijet and W/Z plus jet events
(Springer Science+Business Media, 2013-05)Invariant mass spectra for jets reconstructed using the anti-k(T) and Cambridge-Aachen algorithms are studied for different jet "grooming" techniques in data corresponding to an integrated luminosity of 5 fb(-1), recorded ... -
Search for supersymmetry in pp collisions at root s=7 TeV in events with a single lepton, jets, and missing transverse momentum
(Springer Science+Business Media, 2013-05)Results are reported from a search for new physics processes in events containing a single isolated high-transverse-momentum lepton (electron or muon), energetic jets, and large missing transverse momentum. The analysis ... -
Search for the standard model Higgs boson produced in association with a top-quark pair in pp collisions at the LHC
(Springer Science+Business Media, 2013-05)A search for the standard model Higgs boson produced in association with a top-quark pair is presented using data samples corresponding to an integrated luminosity of 5.0 fb(-1) (5.1 fb-1) collected in pp collisions at the ... -
Search for fractionally charged particles in pp collisions at root s=7 TeV
(American Physical Society, 2013-05-01)A search is presented for free heavy long-lived fractionally charged particles produced in pp collisions at root s = 7 TeV. The data sample was recorded by the CMS detector at the LHC and corresponds to an integrated ... -
Measurement of the inelastic proton-proton cross section at root s=7 TeV
(Elsevier, 2013-05-13)A measurement is presented of the inelastic proton-proton cross section at a centre-of-mass energy of root s = 7 TeV. Using the CMS detector at the LHC, the inelastic cross section is measured through two independent methods ... -
Search for anomalous production of highly boosted Z bosons decaying to mu(+)mu(-) in proton-proton collisions at root s=7 TeV
(Elsevier, 2013-05-13)Results are reported from a search for the anomalous production of highly boosted Z bosons with large transverse momentum and decaying to mu(+)mu(-). Such Z bosons may be produced in the decays of new heavy particles. The ... -
Event shapes and azimuthal correlations in Z plus jets events in pp collisions at root s=7 TeV
(Elsevier, 2013-05-23)Measurements of event shapes and azimuthal correlations are presented for events where a Z boson is produced in association with jets in proton-proton collisions. The data collected with the CMS detector at the CERN LHC ... -
Search for a Higgs boson decaying into a b-quark pair and produced in association with b quarks in proton-proton collisions at 7 TeV
(Elsevier, 2013-05-24)A search for a neutral Higgs boson decaying to a pair of b quarks, and produced in association with at least one additional b quark, is presented. Multijet final states with three jets identified as originating from b ... -
Search for long-lived particles in events with photons and missing energy in proton-proton collisions at root s=7 TeV
(Elsevier, 2013-05-24)Results are presented from a search for long-lived neutralinos decaying into a photon and an invisible particle, a signature associated with gauge-mediated supersymmetry breaking in supersymmetric models. The analysis is ... -
Observation of a new boson with mass near 125 GeV in pp collisions at root s=7 and 8 TeV
(Springer Science+Business Media, 2013-06)A detailed description is reported of the analysis used by the CMS Collaboration in the search for the standard model Higgs boson in pp collisions at the LHC, which led to the observation of a new boson. The data sample ...
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