Browsing Natural and Mathematical Sciences by Issue Date
Now showing items 381-400 of 1083
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Measurement of the top quark mass using charged particles in pp collisions at s =8 TeV
(American Physical Society, 2016-05-01)A novel technique for measuring the mass of the top quark that uses only the kinematic properties of its charged decay products is presented. Top quark pair events with final states with one or two charged leptons and ... -
Measurement of the ratio B(B<inf>s</inf>0 → J/ψf<inf>0</inf>(980))/B(B<inf>s</inf>0 → J/ψφ(1020)) in pp collisions at √s=7 TeV
(Elsevier, 2016-05-10)A measurement of the ratio of the branching fractions of the Bs0 meson to J/ψf0(980) and to J/ψφ(1020) is presented. The J/ψ, f0(980), and φ(1020) are observed through their decays to μ+μ-, π+π-, and K+K-, respectively. ... -
Measurement of the inclusive jet cross section in pp collisions at √s = 2.76 TeV
(Springer Nature, 2016-05-12)The double-differential inclusive jet cross section is measured as a function of jet transverse momentum pTpT and absolute rapidity |y||y| , using proton-proton collision data collected with the CMS experiment at the ... -
Forward–backward asymmetry of Drell–Yan lepton pairs in pp collisions at √s = 8 TeV
(Springer Nature, 2016-06)A measurement of the forward–backward asymmetry AFB of oppositely charged lepton pairs ( μμ and ee ) produced via Z/γ∗ boson exchange in pp collisions at s√=8 TeV is presented. The data sample corresponds to an ... -
Search for the associated production of a Higgs boson with a single top quark in proton-proton collisions at root s=8 TeV
(Springer Nature, 2016-06)This paper presents the search for the production of a Higgs boson in association with a single top quark (tHq), using data collected in proton-proton collisions at a center-of-mass energy of 8 TeV corresponding to an ... -
Search for direct pair production of scalar top quarks in the single- and dilepton channels in proton-proton collisions at √s= 8 TeV
(Springer Nature, 2016-06)are reported from a search for the top squark t~1t~1 , the lighter of the two supersymmetric partners of the top quark. The data sample corresponds to 19.7 fb−1 of proton-proton collisions at s√=8s=8 TeV collected with ... -
Search for lepton flavour violating decays of heavy resonances and quantum black holes to an eμ pair in proton–proton collisions at √s = 8 TeV
(Springer Nature, 2016-06)A search for narrow resonances decaying to an electron and a muon is presented. The ee μμ mass spectrum is also investigated for non-resonant contributions from the production of quantum black holes (QBHs). The analysis ... -
Search for pair-produced vectorlike B quarks in proton-proton collisions at s =8 TeV
(American Physical Society, 2016-06-01)A search for the production of a heavy B quark, having electric charge −1/3 and vector couplings to W, Z, and H bosons, is carried out using proton-proton collision data recorded at the CERN LHC by the CMS experiment, ... -
Inclusive and differential measurements of the tt charge asymmetry in pp collisions at √s=8 TeV
(Elsevier, 2016-06-10)The tt charge asymmetry is measured in proton–proton collisions at a centre-of-mass energy of 8 TeV. The data, collected with the CMS experiment at the LHC, correspond to an integrated luminosity of 19.7 fb−1. Selected ... -
Search for supersymmetry in events with a photon, a lepton, and missing transverse momentum in pp collisions at s=8 TeV
(Elsevier, 2016-06-10)A search for supersymmetry involving events with at least one photon, one electron or muon, and large missing transverse momentum has been performed by the CMS experiment. The data sample corresponds to an integrated ... -
Measurement of inclusive jet production and nuclear modifications in pPb collisions at root s(NN)=5.02 TeV
(Springer Nature, 2016-07)Inclusive jet production in pPb collisions at a nucleon–nucleon (NN) center-of-mass energy of sNN−−−√=5.02TeVsNN=5.02TeV is studied with the CMS detector at the LHC. A data sample corresponding to an integrated luminosity ... -
Measurement of the W+W- cross section in pp collisions at root s=8 TeV and limits on anomalous gauge couplings
(Springer International Publishing, 2016-07)A measurement of the W boson pair production cross section in proton-proton collisions at root s = 8TeV is presented. The data collected with the CMS detector at the LHC correspond to an integrated luminosity of 19.4 fb(-1). ... -
Search for heavy resonances decaying to two Higgs bosons in final states containing four b quarks
(Springer International Publishing, 2016-07)A search is presented for narrow heavy resonances X decaying into pairs of Higgs bosons (H) in proton-proton collisions collected by the CMS experiment at the LHC at root s = 8 TeV. The data correspond to an integrated ... -
Measurement of spin correlations in tt production using the matrix element method in the muon+jets final state in pp collisions at √s=8 TeV
(Elsevier, 2016-07-10)The consistency of the spin correlation strength in top quark pair production with the standard model (SM) prediction is tested in the muon+jets final state. The events are selected from pp collisions, collected by the CMS ... -
Search for supersymmetry in the multijet and missing transverse momentum final state in pp collisions at 13 TeV
(Elsevier, 2016-07-10)A search for new physics is performed based on all-hadronic events with large missing transverse momentum produced in proton–proton collisions at View the MathML source. The data sample, corresponding to an integrated ... -
Search for a low-mass pseudoscalar Higgs boson produced in association with a bb[U+203E] pair in pp collisions at √s=8 TeV
(Elsevier, 2016-07-10)A search is reported for a light pseudoscalar Higgs boson decaying to a pair of τ leptons, produced in association with a View the MathML source pair, in the context of two-Higgs-doublet models. The results are based on ... -
Search for narrow resonances in dijet final states at s =8 TeV with the novel CMS technique of data scouting
(American Physical Society, 2016-07-15)A search for narrow resonances decaying into dijet final states is performed on data from proton-proton collisions at a center-of-mass energy of 8 TeV, corresponding to an integrated luminosity of 18.8 fb−1. The data were ... -
Search for resonant production of high-mass photon pairs in proton-proton collisions at s =8 and 13 TeV
(American Physical Society, 2016-07-29)A search for the resonant production of high-mass photon pairs is presented. The analysis is based on samples of proton-proton collision data collected by the CMS experiment at center-of-mass energies of 8 and 13 TeV, ... -
Search for new physics in same-sign dilepton events in proton-proton collisions at =13 TeV
(Springer Nature, 2016-08)A search for new physics is performed using events with two isolated same-sign leptons, two or more jets, and missing transverse momentum. The results are based on a sample of proton–proton collisions at a center-of-mass ... -
Measurement of the t t ¯ production cross section in the eμ channel in proton-proton collisions at √s = 7 and 8 TeV
(Springer Nature, 2016-08)The inclusive cross section for top quark pair production is measured in proton-proton collisions at s√=7s=7 and 8 TeV, corresponding to 5.0 and 19.7 fb−1, respectively, with the CMS experiment at the LHC. The cross ...
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