Search
Now showing items 21-30 of 95
Search for dark matter in events with energetic, hadronically decaying top quarks and missing transverse momentum at √s=13 TeV
(2018-06-01)
A search for dark matter is conducted in events with large missing transverse momentum and a hadronically decaying, Lorentz-boosted top quark. This study is performed using proton-proton collisions at a center-of-mass ...
Search for a heavy resonance decaying to a top quark and a vector-like top quark at √s=13 TeV
(2017-09-01)
A search is presented for massive spin-1 Z′ resonances decaying to a top quark and a heavy vector-like top quark partner T. The search is based on a 2.6 fb−1 sample of proton-proton collisions at 13 TeV collected with the ...
Search for dijet resonances in proton–proton collisions at s=13TeV and constraints on dark matter and other models
(2017-06-10)
A search is presented for narrow resonances decaying to dijet final states in proton–proton collisions at s=13TeV using data corresponding to an integrated luminosity of 12.9 fb−1. The dijet mass spectrum is well described ...
Measurement of transverse momentum relative to dijet systems in PbPb and pp collisions at √sNN = 2.76 TeV
(2016-01-04)
An analysis of dijet events in PbPb and pp collisions is performed to explore the
properties of energy loss by partons traveling in a quark-gluon plasma. Data are collected
at a nucleon-nucleon center-of-mass energy of ...
Search for single production of a heavy vector-like T quark decaying to a Higgs boson and a top quark with a lepton and jets in the final state
(2017-08-10)
A search for single production of vector-like top quark partners (T) decaying into a Higgs boson and a top quark is performed using data from pp collisions at a centre-of-mass energy of 13 TeV collected by the CMS experiment ...
Pseudorapidity distribution of charged hadrons in proton-proton collisions at √s=13 TeV
(2015-12-17)
The pseudorapidity distribution of charged hadrons in pp collisions at √s=13 TeV is measured using a data sample obtained with the CMS detector, operated at zero magnetic field, at the CERN LHC. The yield of primary charged ...
Measurement of b hadron lifetimes in pp collisions at √s = 8 TeV
(2018-06-07)
Measurements are presented of the lifetimes of the B ⁰, Bs0, Λb0, and Bc+ hadrons using the decay channels B0→J/ψK∗(892)0, B0→J/ψKS0, Bs0→J/ψπ+π-, Bs0→J/ψϕ(1020), Λb0→J/ψΛ0, and Bc+→J/ψπ+. The data sample, corresponding ...
Suppression of ϒ(1S), ϒ(2S), and ϒ(3S) quarkonium states in PbPb collisions at sNN=2.76TeV
(2017-07-10)
The production yields of ϒ(1S), ϒ(2S), and ϒ(3S) quarkonium states are measured through their decays into muon pairs in the CMS detector, in PbPb and pp collisions at the centre-of-mass energy per nucleon pair of 2.76 TeV. ...
Search for R-parity violating supersymmetry in pp collisions at s=13TeV using b jets in a final state with a single lepton, many jets, and high sum of large-radius jet masses
(2018-08-10)
Results are reported from a search for physics beyond the standard model in proton–proton collisions at a center-of-mass energy of s=13TeV. The search uses a signature of a single lepton, large jet and bottom quark jet ...
Suppression of Excited States Relative to the Ground State in Pb-Pb Collisions at s NN=5.02 TeV
(2018-04-02)
The relative yields of mesons produced in pp and Pb-Pb collisions at sNN=5.02 TeV and reconstructed via the dimuon decay channel are measured using data collected by the CMS experiment. Double ratios are formed by comparing ...