Search
Now showing items 1-10 of 43
Search for standard model production of four top quarks in the lepton + jets channel in pp collisions at √s = 8 TeV
(2014-11)
A search is presented for standard model (SM) production of four top quarks (Formula presented.) in pp collisions in the lepton + jets channel. The data correspond to an integrated luminosity of 19.6 fb−1 recorded at a ...
Search for pair production of excited top quarks in the lepton + jets final state
(2014-06-19)
A search is performed for pair-produced spin-3/2 excited top quarks (t∗t¯∗), each decaying to a top quark and a gluon. The search uses data collected with the CMS detector from pp collisions at a center-of-mass energy of ...
Evidence for the 125 gev higgs boson decaying to a pair of τ leptons
(2014-05)
A search for a standard model Higgs boson decaying into a pair of τ leptons is performed using events recorded by the CMS experiment at the LHC in 2011 and 2012. The dataset corresponds to an integrated luminosity of 4.9 ...
Event activity dependence of υ(nS) production in √SNN = 5.02 TeV pPb and √s = 2.76 TeV pp collisions
(2014-04-15)
The production of υ(1S), υ(2S), and υ(3S) is investigated in pPb and pp collisions at centre-of-mass energies per nucleon pair of 5.02 TeV and 2.76 TeV, respectively. The datasets correspond to integrated luminosities of ...
Search for excited quarks in the γ + jet final state in proton-proton collisions at √s=8TeV
(2014-11)
A search for excited quarks decaying into the γ + jet final state is presented. The analysis is based on data corresponding to an integrated luminosity of 19.7 fb-1 collected by the CMS experiment in proton-proton collisions ...
Evidence of b -jet quenching in PbPb collisions at sNN =2.76TeV
(2014-09-22)
The production of jets associated to bottom quarks is measured for the first time in PbPb collisions at a
center-of-mass energy of 2.76 TeV per nucleon pair. Jet spectra are reported in the transverse momentum
(pT) range ...
Measurement of the properties of a Higgs boson in the four-lepton final state
(2014-05-14)
The properties of a Higgs boson candidate are measured in the H→ZZ→4 decay channel, with =e, μ, using data from pp collisions corresponding to an integrated luminosity of 5.1fb-1 at the center-of-mass energy of s=7TeV and ...
Studies of azimuthal dihadron correlations in ultra-central PbPb collisions at √sNN = 2.76 TeV
(2014-02-20)
Azimuthal dihadron correlations of charged particles have been measured in PbPb collisions at √sNN = 2.76TeV by the CMS collaboration, using data from the 2011 LHC heavy-ion run. The data set includes a sample of ultra-central ...
Measurement of prompt ψ (2S) to J /ψ yield ratios in Pb-Pb and p - p collisions at sNN =2.76 TeV
(2014-12-31)
The ratio between the prompt ψð2SÞ and J=ψ yields, reconstructed via their decays into μþμ−,
is measured in Pb-Pb and p-p collisions at ffiffiffiffiffiffiffiffi
sNN p ¼ 2.76 TeV. The analysis is based on Pb-Pb and
p-p ...
Search for W′→tb decays in the lepton + jets final state in pp collisions at √s = 8TeV
(2014-05)
Results are presented from a search for the production of a heavy gauge boson W′ decaying into a top and a bottom quark, using a data set collected by the CMS experiment at √s = 8TeV and corresponding to an integrated ...