Search
Now showing items 31-40 of 72
Study of Z production in PbPb and pp collisions at √sNN = 2.76 TeV in the dimuon and dielectron decay channels
(2015-03-04)
The production of Z bosons is studied in the dimuon and dielectron decay channels in PbPb and pp collisions at √sNN = 2.76 TeV, using data collected by the CMS experiment at the LHC. The PbPb data sample corresponds to ...
Measurement of the ratio of the production cross sections times branching fractions of B± c → J / ψπ± and B± → J / ψK± and B (B± c → J / ψπ±π ±π ∓) / B (B± c → J / ψπ±) in pp collisions at √s = 7 TeV
(2015-01-13)
Abstract: The ratio of the production cross sections times branching fractions
σ(B±
c
)B(B±
c → J/ψπ±)
/
σ(B±)B(B± → J/ψK±)
is studied in proton-proton collisions
at a center-of-mass energy of 7 TeV with ...
Erratum to: Search for new physics in events with same-sign dileptons and jets in pp collisions at √s = 8 TeV
(2015-01-07)
Erratum to: JHEP01(2014)163. The online version of the original article can be found at http://dx.doi.org/10.1007/JHEP01(2014)16
Comparison of the Z/γ ∗ + jets to γ + jets cross sections in pp collisions at √s = 8 TeV
(2015-10-20)
A comparison of the differential cross sections for the processes Z/γ * + jets and photon (γ)+jets is presented. The measurements are based on data collected with the CMS detector at √s = 8 TeV corresponding to an integrated ...
Search for new physics in the multijet and missing transverse momentum final state in proton-proton collisions at √s = 8 TeV
(2014-06-10)
A search for new physics is performed in multijet events with large missing transverse momentum produced in proton-proton collisions at √s = 8 TeV using a data sample corresponding to an integrated luminosity of 19.5 fb−1 ...
Search for physics beyond the standard model in events with two leptons, jets, and missing transverse momentum in pp collisions at √s = 8 TeV
(2015-04-22)
A search is presented for physics beyond the standard model in final states with two opposite-sign same-flavor leptons, jets, and missing transverse momentum. The data sample corresponds to an integrated luminosity of 19.4 ...
Measurement of prompt J/ψ pair production in pp collisions at √s = 7 Tev
(2014-09-17)
Production of prompt J/ψ meson pairs in proton-proton collisions at √s = 7 TeV is measured with the CMS experiment at the LHC in a data sample corresponding to an integrated luminosity of about 4.7 fb−1. The two J/ψ ...
Measurement of the underlying event activity using charged-particle jets in proton-proton collisions at √s = 2.76 TeV
(2015-09-21)
A measurement of the underlying event (UE) activity in proton-proton collisions
is performed using events with charged-particle jets produced in the central pseudorapidity
region (|η
jet| < 2) and with transverse momentum ...
Measurement of the cross section ratio σttbb/σttjj in pp collisions at √s=8 TeV
(2015-06-30)
The first measurement of the cross section ratio σttbb/σttjj is presented using a data sample corresponding
to an integrated luminosity of 19.6 fb−1 collected in pp collisions at √s = 8 TeV with the CMS detector at
the ...
Measurement of the tt¯ production cross section in the dilepton channel in pp collisions at √s = 8 TeV
(2014-02-05)
The top-antitop quark ( tt¯) production cross section is measured in proton-proton collisions at √s = 8 TeV with the CMS experiment at the LHC, using a data sample corresponding to an integrated luminosity of 5.3 fb−1. ...