Browsing by Subject "Atlas detector"
Now showing items 1-18 of 18
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Constraints on the spin-parity and anomalous HVV couplings of the Higgs boson in proton collisions at 7 and 8 TeV
(American Physical Society, 2015-07-13)The study of the spin-parity and tensor structure of the interactions of the recently discovered Higgs boson is performed using the H→ZZ,Zγ∗,γ∗γ∗→4ℓ, H→WW→ℓνℓν, and H→γγ decay modes. The full data set recorded by the CMS ... -
Limits on the Higgs boson lifetime and width from its decay to four charged leptons
(American Physical Society, 2015-10-01)Constraints on the lifetime and width of the Higgs boson are obtained from H→ZZ→4ℓ events using data recorded by the CMS experiment during the LHC run 1 with an integrated luminosity of 5.1 and 19.7 fb−1 at a center-of-mass ... -
Measurement of differential cross sections for Higgs boson production in the diphoton decay channel in pp collisions at √s = 8 TeV
(Springer International Publishing, 2016-01)A measurement is presented of differential cross sections for Higgs boson (H) production in pp collisions at s√=8s=8 TeVTeV . The analysis exploits the H→γγH→γγ decay in data corresponding to an integrated luminosity ... -
Measurement of long-range near-side two-particle angular correlations in pp collisions at s =13 TeV
(2016-04-29)Results on two-particle angular correlations for charged particles produced in pp collisions at a center-of-mass energy of 13 TeV are presented. The data were taken with the CMS detector at the LHC and correspond to an ... -
Measurement of the properties of a Higgs boson in the four-lepton final state
(American Physical Society, 2014-05-01)The properties of a Higgs boson candidate are measured in the H -> ZZ -> 4l decay channel, with l = e, mu, using data from pp collisions corresponding to an integrated luminosity of 5.1 fb(-1) at the center-of-mass energy ... -
Measurement of the top quark pair production cross section in proton-proton collisions at s =13 TeV
(American Physical Society, 2016-02-05)The top quark pair production cross section is measured for the first time in proton-proton collisions at s√=13 TeV by the CMS experiment at the CERN LHC, using data corresponding to an integrated luminosity of 43 pb−1. ... -
Measurement of the W+W- cross section in pp collisions at and limits on anomalous WW gamma and WWZ couplings
(Springer Science+Business Media, 2013-10)A measurement of W+W- production in pp collisions at is presented. The data were collected with the CMS detector at the LHC, and correspond to an integrated luminosity of 4.92 +/- 0.11 fb(-1). The W+W- candidates consist ... -
Observation of the diphoton decay of the Higgs boson and measurement of its properties
(Springer Nature, 2014-10)Observation of the diphoton decay mode of the recently discovered Higgs boson and measurement of some of its properties are reported. The analysis uses the entire dataset collected by the CMS experiment in proton-proton ... -
Precise determination of the mass of the Higgs boson and tests of compatibility of its couplings with the standard model predictions using proton collisions at 7 and 8 TeV
(Springer Nature, 2015-05)Properties of the Higgs boson with mass near 125GeV are measured in proton-proton collisions with the CMS experiment at the LHC. Comprehensive sets of production and decay measurements are combined. The decay channels ... -
Search for a standard model Higgs boson produced in association with a top-quark pair and decaying to bottom quarks using a matrix element method
(Springer Nature, 2015-06)A search for a standard model Higgs boson produced in association with a top-quark pair and decaying to bottom quarks is presented. Events with hadronic jets and one or two oppositely charged leptons are selected from a ... -
Search for charged Higgs bosons produced via vector boson fusion and decaying into a pair of W and Z bosons using pp collisions at √ s=13 TeV
(American Physical Society, 2017-10-04)A search for charged Higgs bosons produced via vector boson fusion and decaying into W and Z bosons using proton-proton collisions at root s = 13 TeV is presented. The data sample corresponds to an integrated luminosity ... -
Search for displaced supersymmetry in events with an electron and a muon with large impact parameters
(American Physical Society, 2015-02-13)A search for new long-lived particles decaying to leptons is presented using proton-proton collisions produced by the LHC at s√=8 TeV. Data used for the analysis were collected by the CMS detector and correspond to an ... -
Search for massive WH resonances decaying into the ℓνbb¯ final state at √s = 8 TeV
(Springer International Publishing, 2016-05)A search for a massive resonance W′W′ decaying into a W and a Higgs boson in the ℓνbb¯¯¯ℓνbb¯ ( ℓ=eℓ=e , μμ ) final state is presented. Results are based on data corresponding to an integrated luminosity of 19.7 fb−1fb−1 ... -
Search for new physics in the multijet and missing transverse momentum final state in proton-proton collisions at root s=7 TeV
(American Physical Society, 2012-10-26)A search for physics beyond the standard model is performed in events with at least three jets and large missing transverse momentum produced in proton-proton collisions at a center-of-mass energy of root s = 7 TeV. No ... -
Search for supersymmetry with photons in pp collisions at root s=8 TeV
(American Physical Society, 2015-10-01)Two searches for physics beyond the standard model in events containing photons are presented. The data sample used corresponds to an integrated luminosity of 19.7 fb−1 of proton-proton collisions at s√=8 TeV, collected ... -
Search for the standard model Higgs boson produced in association with a W or a Z boson and decaying to bottom quarks
(American Physical Society, 2014-01-01)A search for the standard model Higgs boson (H) decaying to bb¯ when produced in association with a weak vector boson (V) is reported for the following channels: W(μν)H, W(eν)H, W(τν)H, Z(μμ)H, Z(ee)H, and Z(νν)H. The ... -
Search for the standard model Higgs boson produced through vector boson fusion and decaying to b(b)over-bar
(American Physical Society, 2015-08-01)A first search is reported for a standard model Higgs boson (H) that is produced through vector boson fusion and decays to a bottom-quark pair. Two data samples, corresponding to integrated luminosities of 19.8 fb−1 and ... -
Search for top-quark partners with charge 5/3 in the same-sign dilepton final state
(American Physical Society, 2014-05-02)A search for the production of heavy partners of the top quark with charge 5/3 is performed in events with a pair of same-sign leptons. The data sample corresponds to an integrated luminosity of 19.5 fb(-1) and was collected ...
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