Search
Now showing items 71-79 of 79
Measurement of the tt¯ production cross section in the all-jets final state in pp collisions at √s = 8 TeV
(Springer International Publishing, 2016-03)
The cross section for tt¯tt¯ production in the all-jets final state is measured in pp collisions at a centre-of-mass energy of 8 TeVTeV at the LHC with the CMS detector, in data corresponding to an integrated luminosity ...
Measurements of tt¯ spin correlations and top quark polarization using dilepton final states in pp collisions at s√=8 T
(American Physical Society., 2016-03-01)
Measurements of the top quark-antiquark (tt¯) spin correlations and the top quark polarization are presented for tt¯ pairs produced in pp collisions at s√=8 TeV. The data correspond to an integrated luminosity of 19.5 fb−1 ...
Search for supersymmetry in pp collisions at root s=13 TeV in the single-lepton final state using the sum of masses of large-radius jets
(Springer International Publishing, 2016)
Results are reported from a search for supersymmetric particles in proton-proton collisions in the final state with a single, high transverse momentum lepton; multiple jets, including at least one b-tagged jet; and large ...
Search for dark matter inproton-proton collisions at 8 TeV with missing transverse momentum and vector boson tagged jets
(Springer International Publishing, 2016-12-16)
A search is presented for an excess of events with large missing transverse momentum in association with at least one highly energetic jet, in a data sample of protonproton collisions at a centre-of-mass energy of 8 TeV. ...
Measurement of dijet azimuthal decorrelation in pp collisions at root s=8 TeV
(Springer International Publishing, 2016)
A measurement of the decorrelation of azimuthal angles between the two jets with the largest transverse momenta is presented for seven regions of leading jet transverse momentum up to 2.2. The analysis is based on the ...
Event generator tunes obtained from underlying event and multiparton scattering measurements
(2016-03)
New sets of parameters (“tunes”) for the underlying-event (UE) modelling of the pythia8, pythia6 and herwig++ Monte Carlo event generators are constructed using different parton distribution functions. Combined fits to CMS ...
Upsilon (nS) polarizations versus particle multiplicity in pp collisions at root s=7 TeV
(Elsevier, 2016-10)
The polarizations of the Upsilon(1S), Upsilon(2S), and Upsilon(3S) mesons are measured as a function of the charged particle multiplicity in proton-proton collisions at root s = 7 TeV. The measurements are performed with ...
Transverse momentum spectra of inclusive b jets in pPb collisions at √sNN=5.02 TeV
(Elsevier, 2016-03-10)
We present a measurement of b jet transverse momentum (pT) spectra in proton-lead (pPb) collisions using a dataset corresponding to about 35 nb−1 collected with the CMS detector at the LHC. Jets from b quark fragmentation ...
Measurements of tt‾ charge asymmetry using dilepton final states in pp collisions at s=8TeV
(Elsevier, 2016-09-10)
The charge asymmetry in View the MathML source events is measured using dilepton final states produced in pp collisions at the LHC at View the MathML source. The data sample, collected with the CMS detector, corresponds ...
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