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19912026
Showing 2011 · hep-exShow all

83 papers · 2 filters

hep-ex2011★ 98 cited

Measurement of the charge asymmetry in top-quark pair production in proton-proton collisions at sqrt(s) = 7 TeV

CMS Collaboration

The difference in angular distributions between top quarks and antiquarks, commonly referred to as the charge asymmetry, is measured in pp collisions at the LHC with the CMS experi…

hep-ex2011★ 1.2k cited

Indication for the disappearance of reactor electron antineutrinos in the Double Chooz experiment

Y. Abe, C. Aberle, T. Akiri +182

The Double Chooz Experiment presents an indication of reactor electron antineutrino disappearance consistent with neutrino oscillations. A ratio of 0.944 0.016 (stat) 0…

hep-ex2011★ 98 cited

Search for signatures of extra dimensions in the diphoton mass spectrum at the Large Hadron Collider

CMS Collaboration

A search for signatures of extra dimensions in the diphoton invariant-mass spectrum has been performed with the CMS detector at the LHC. No excess of events above the standard mode…

hep-ex2011★ 124 cited

J/psi and psi(2S) production in pp collisions at sqrt(s) = 7 TeV

CMS Collaboration

A measurement of the J/psi and psi(2S) production cross sections in pp collisions at sqrt(s)=7 TeV with the CMS experiment at the LHC is presented. The data sample corresponds to a…

hep-ex2011★ 81 cited

Exclusive photon-photon production of muon pairs in proton-proton collisions at sqrt(s) = 7 TeV

CMS Collaboration

A measurement of the exclusive two-photon production of muon pairs in proton-proton collisions at sqrt(s)= 7 TeV, pp to p mu^+ mu^- p, is reported using data corresponding to an in…

hep-ex2011★ 42 cited

Measurement of the Production Cross Section for Pairs of Isolated Photons in pp collisions at sqrt(s) = 7 TeV

CMS Collaboration

The integrated and differential cross sections for the production of pairs of isolated photons is measured in proton-proton collisions at a centre-of-mass energy of 7 TeV with the…

hep-ex2011★ 182 cited

Measurement of the Rapidity and Transverse Momentum Distributions of Z Bosons in pp Collisions at sqrt(s)=7 TeV

CMS Collaboration

Measurements of the normalized rapidity (y) and transverse momentum (qT) distributions of Drell-Yan muon and electron pairs in the Z-boson mass region (60<M(ll)<120 GeV) are report…

hep-ex2011★ 95 cited

Jet Production Rates in Association with W and Z Bosons in pp Collisions at sqrt(s) = 7 TeV

CMS Collaboration

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 recor…

hep-ex2011★ 37 cited

Measurement of energy flow at large pseudorapidities in pp collisions at sqrt(s) = 0.9 and 7 TeV

CMS Collaboration

The energy flow, dE/d(eta), 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 in…

hep-ex2011★ 14 cited

Forward Energy Flow, Central Charged-Particle Multiplicities, and Pseudorapidity Gaps in W and Z Boson Events from pp Collisions at 7 TeV

CMS Collaboration

A study of forward energy flow and central charged-particle multiplicity in events with W and Z bosons decaying into leptons is presented. The analysis uses a sample of 7 TeV pp co…

hep-ex2011★ 7 cited

Measurement of the Group Velocity of Light in Sea Water at the ANTARES Site

S. Adrián-Martínez, I. Al Samarai, A. Albert +155

The group velocity of light has been measured at eight different wavelengths between 385 nm and 532 nm in the Mediterranean Sea at a depth of about 2.2 km with the ANTARES optical…

hep-ex2011★ 84 cited

Measurement of the weak mixing angle with the Drell-Yan process in proton-proton collisions at the LHC

the CMS Collaboration

A multivariate likelihood method to measure electroweak couplings with the Drell-Yan process at the LHC is presented. The process is described by the dilepton rapidity, invariant m…

hep-ex2011★ 72 cited

Search for a Vector-like Quark with Charge 2/3 in t + Z Events from pp Collisions at sqrt(s) = 7 TeV

CMS Collaboration

A search for pair-produced heavy vector-like charge-2/3 quarks, T, in pp collisions at a center-of-mass energy of 7 TeV, is performed with the CMS detector at the LHC. Events consi…

hep-ex2011★ 284 cited

Search for Supersymmetry at the LHC in Events with Jets and Missing Transverse Energy

CMS Collaboration

A search for events with jets and missing transverse energy is performed in a data sample of pp collisions collected at sqrt(s) = 7 TeV by the CMS experiment at the LHC. The analyz…

hep-ex2011

Hadron production from scattering at at COMPASS

Astrid Morreale

Hadrons proceeding from quasi-real photo-production are one of the many probes accesible at the Common Muon Proton Apparatus for Structure and Spectroscopy (COMPASS) at CERN. These…

hep-ex2011★ 81 cited

Measurement of the t t-bar Production Cross Section in pp Collisions at 7 TeV in Lepton + Jets Events Using b-quark Jet Identification

CMS Collaboration

A new measurement of the inclusive production cross section for pp to t t-bar is performed at a center-of-mass energy of 7 TeV using data collected by the CMS experiment at the LHC…

hep-ex2011★ 99 cited

Measurement of the Differential Cross Section for Isolated Prompt Photon Production in pp Collisions at 7 TeV

CMS Collaboration

A measurement of the differential cross section for the inclusive production of isolated prompt photons in proton-proton collisions at a centre-of-mass energy of 7 TeV is presented…

hep-ex2011★ 54 cited

Measurement of the Drell-Yan Cross Section in pp Collisions at sqrt(s) = 7 TeV

CMS Collaboration

The Drell-Yan differential cross section is measured in pp collisions at sqrt(s) = 7 TeV, from a data sample collected with the CMS detector at the LHC, corresponding to an integra…

hep-ex2011★ 65 cited

Search for B(s) and B to dimuon decays in pp collisions at 7 TeV

CMS Collaboration

A search for the rare decays B(s) to dimuons and B0 to dimuons is performed in pp collisions at sqrt(s)=7 TeV, with a data sample corresponding to an integrated luminosity of 1.14…

hep-ex2011★ 1.4k cited

Indication of Electron Neutrino Appearance from an Accelerator-produced Off-axis Muon Neutrino Beam

T2K Collaboration, K. Abe, N. Abgrall +408

The T2K experiment observes indications of appearance in data accumulated with protons on target. Six events pass all selection criteria at…

hep-ex2011★ 307 cited

Measurement of the Inclusive W and Z Production Cross Sections in pp Collisions at sqrt(s) = 7 TeV

The CMS Collaboration

A measurement of inclusive W and Z production cross sections in pp collisions at sqrt(s)=7 TeV is presented. The electron and muon decay channels are analyzed in a data sample coll…

hep-ex2011★ 22 cited

Search for Contact Interactions in e^{\pm}p Collisions at HERA

H1 Collaboration

A search for physics beyond the Standard Model in neutral current deep inelastic scattering at high negative four-momentum transfer squared Q^2 is performed in e^{\pm}p collisions…

hep-ex2011★ 36 cited

Search for supersymmetry in pp collisions at sqrt(s)=7 TeV in events with a single lepton, jets, and missing transverse momentum

CMS Collaboration

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, i…

hep-ex2011★ 19 cited

A search for excited leptons in pp Collisions at sqrt(s) = 7 TeV

CMS Collaboration

A search for excited leptons is carried out with the CMS detector at the LHC, using 36 inverse picobarns of pp collision data recorded at sqrt(s) = 7 TeV. The search is performed f…