255 Result(s)
within
**-Tao Guo
Quantum Physics
-
Article
Open AccessTransverse-momentum and pseudorapidity distributions of charged hadrons in pp collisions at \(\sqrt{s} = 0.9 \) and 2.36 TeV
Measurements of inclusive charged-hadron transverse-momentum and pseudorapidity distributions are presented for proton-proton collisions at ...
-
Article
Open AccessSearch for new physics with same-sign isolated dilepton events with jets and missing transverse energy at the LHC
The results of searches for new physics in events with two same-sign isolated leptons, hadronic jets, and missing transverse energy in the final state are presented. The searches use an integrated luminosity o...
-
Article
Open AccessMeasurement of the \( {{\rm t}\bar{\rm t}} \) production cross section and the top quark mass in the dilepton channel in pp collisions at \( \sqrt {s} = 7 \) TeV
The \( {{\rm t}\bar{\rm t}} \) production cross section and top quark mass are measured in proton-proton collisions at
-
Article
Open AccessSearch for light resonances decaying into pairs of muons as a signal of new physics
A search for groups of collimated muons is performed using a data sample collected by the CMS experiment at the LHC, at a centre-of-mass energy of 7TeV, and corresponding to an integrated luminosity of 35 pb−1. T...
-
Article
Open AccessSearch for supersymmetry in events with b jets and missing transverse momentum at the LHC
A search for supersymmetry is presented using a sample of events with b jets and missing transverse momentum. The search uses a data sample of proton-proton collisions at a centre-of-mass energy of 7 TeV, corr...
-
Article
Open AccessCharged particle transverse momentum spectra in pp collisions at \( \sqrt {s} = 0.9 \) and 7 TeV
The charged particle transverse momentum (p T) spectra are presented for pp collisions at \( \sqrt {s} = 0.9 \) ...
-
Article
Open AccessMeasurement of the inclusive Z cross section via decays to tau pairs in pp collisions at \( \sqrt {s} = 7 \) TeV
The first measurement of inclusive Z → τ + τ − production in pp collisions at the LHC is presented, in the final states μ + hadrons, e + had...
-
Article
Open AccessSearch for new physics with jets and missing transverse momentum in pp collisions at \( \sqrt {s} = 7 \) TeV
A search for new physics is presented based on an event signature of at least three jets accompanied by large missing transverse momentum, using a data sample corresponding to an integrated luminosity of 36 pb−1 ...
-
Article
Open AccessSearch for supersymmetry in pp collisions at \( \sqrt {s} = 7 \) TeV in events with a single lepton, jets, and missing transverse momentum
Results are reported from a search for physics beyond the standard model in proton-proton collisions at a center-of-mass energy of 7 TeV, focusing on the signature with a single, isolated, high-transverse-mome...
-
Article
Open AccessMeasurement of energy flow at large pseudorapidities in pp collisions at \( \sqrt {s} = 0.{9} \) and 7 TeV
The energy flow, dE/dη, is studied at large pseudorapidities in proton-proton collisions at the LHC, for centre-of-mass energies of 0.9 and 7 TeV. The measurements are made using the CMS detector in the pseudorap...
-
Article
Open AccessJet production rates in association with W and Z bosons in pp collisions at \( \sqrt {s} = 7 {\text{TeV}} \)
Measurements of jet production rates in association with W and Z bosons for jet transverse momenta above 30 GeV are reported, using a sample of proton-proton collision events recorded by CMS at
-
Article
Open AccessJ/ψ and ψ(2S) production in pp collisions at \( \sqrt {s} = 7{\text{Tev}} \)
A measurement of the J/ψ and ψ(2S) production cross sections in pp collisions at \( \sqrt {s} = 7{\text{TeV}} \) with the CMS exp...
-
Article
Open AccessSearch for the standard model Higgs boson in the H → ZZ → 2ℓ2ν channel in pp collisions at \( \sqrt {\text{s}} = {7}\;{\text{TeV}} \)
A search for the standard model Higgs boson in the H → ZZ → 2ℓ2ν decay channel, where ℓ = e or μ, in pp collisions at a center-of-mass energy of 7 TeV is presented. The data were collected at the LHC, with the CM...
-
Article
Open AccessSearch for the standard model Higgs boson in the H → ZZ → ℓ+ℓ−τ+τ− decay channel in pp collisions at \( \sqrt {s} = {7}\;{\text{TeV}} \)
A search is reported for the standard model Higgs boson in the H → ZZ → ℓ+ℓ−τ +τ − decay mode, where ℓ = μ or e, in proton-proton collisions at ...
-
Article
Open AccessSearch for a Higgs boson in the decay channel H → ZZ(*) → q \( \overline {\text{q}} \) ℓ − ℓ + in pp collisions at \( \sqrt {s} = 7 \) TeV
A search for the standard model Higgs boson decaying into two Z bosons with subsequent decay into a final state containing two quark jets and two leptons, H → ZZ(*) → q
-
Article
Open AccessSearch for \( {\text{B}}_{\text{s}}^0 \) → μ + μ − and B0 → μ + μ − decays
A search for the rare decays \( {\text{B}}_{\text{s}}^0 \) → μ + μ − and B0 → μ ...
-
Article
Open AccessSearch for microscopic black holes in pp collisions at \( \sqrt {s} = {\text{7TeV}} \)
A search for microscopic black holes in pp collisions at a center-of-mass energy of 7 TeV is presented. The data sample corresponds to an integrated luminosity of 4.7 fb−1 recorded by the CMS experiment at the LH...
-
Article
Open AccessInclusive b-jet production in pp collisions at \(\sqrt {s} = 7TeV\)
The inclusive b-jet production cross section in pp collisions at a center-of mass energy of 7 TeV is measured using data collected by the CMS experiment at the LHC. The cross section is presented as a function...
-
Article
Open AccessSearch for heavy bottom-like quarks in 4.9 fb−1 of pp collisions at \( \sqrt {s} = 7 \) TeV
Results are presented from a search for heavy bottom-like quarks, pair-produced in pp collisions at \( \sqrt {s} = 7 \) TeV, unde...
-
Article
Open AccessMeasurement of the mass difference between top and antitop quarks
A measurement of the mass difference between the top and the antitop quark (Δm t = m t − ...
