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19912026
Showing 2012 · hep-exShow all

214 papers · 2 filters

hep-ex2012★ 36 cited

Multi-channel search for squarks and gluinos in sqrt(s)=7 TeV pp collisions with the ATLAS detector

ATLAS Collaboration

A search for supersymmetric particles in final states with zero, one, and two leptons, with and without jets identified as originating from b-quarks, in 4.7 fb-1 of sqrt(s)=7 TeV p…

hep-ex2012★ 74 cited

Measurement of the t t-bar production cross section in pp collisions at sqrt(s) = 7 TeV with lepton + jets final states

CMS Collaboration

A measurement of the t t-bar production cross section in pp collisions at sqrt(s) = 7 TeV is presented. The results are based on data corresponding to an integrated luminosity of 2…

hep-ex2012★ 367 cited

Study of the mass and spin-parity of the Higgs boson candidate via its decays to Z boson pairs

CMS Collaboration

A study is presented of the mass and spin-parity of the new boson recently observed at the LHC at a mass near 125 GeV. An integrated luminosity of 17.3 inverse femtobarns, collecte…

hep-ex2012★ 54 cited

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

The CMS Collaboration

Results are reported from a search for new physics processes in events containing a single isolated high-transverse-momentum lepton (electron or muon), energetic jets, and large mi…

hep-ex2012★ 38 cited

Search for new physics in events with same-sign dileptons and b jets in pp collisions at sqrt(s) = 8 TeV

CMS Collaboration

A search for new physics is performed using events with isolated same-sign leptons and at least two bottom-quark jets in the final state. Results are based on a sample of proton-pr…

hep-ex2012★ 21 cited

A search for prompt lepton-jets in pp collisions at sqrt(s) = 7 TeV with the ATLAS detector

ATLAS Collaboration

We present a search for a light (mass < 2 GeV) boson predicted by Hidden Valley supersymmetric models that decays into a final state consisting of collimated muons or electrons, de…

hep-ex2012★ 557 cited

Observation of Associated Near-side and Away-side Long-range Correlations in sqrt(s_NN)=5.02 TeV Proton-lead Collisions with the ATLAS Detector

ATLAS Collaboration

Two-particle correlations in relative azimuthal angle (Delta-phi) and pseudorapidity (Delta-eta) are measured in sqrt(s_NN) = 5.02 TeV p+Pb collisions using the ATLAS detector at t…

hep-ex2012★ 11 cited

Search for contact interactions in opposite-sign dimuon events in pp collisions at sqrt(s) = 7 TeV

CMS Collaboration

Results are reported from a search for the effects of contact interactions using events with a high-mass, oppositely charged muon pair. The events are collected in proton-proton co…

hep-ex2012★ 45 cited

Search for charged Higgs bosons through the violation of lepton universality in ttbar events using pp collision data at sqrt(s) = 7 TeV with the ATLAS experiment

ATLAS Collaboration

In several extensions of the Standard Model, the top quark can decay into a bottom quark and a light charged Higgs boson H+, t to bH+, in addition to the Standard Model decay t to…

hep-ex2012★ 125 cited

ATLAS search for new phenomena in dijet mass and angular distributions using pp collisions at sqrt(s)=7 TeV

ATLAS Collaboration

Mass and angular distributions of dijets produced in LHC proton-proton collisions at a centre-of-mass energy sqrt(s)=7 TeV have been studied with the ATLAS detector using the full…

hep-ex2012★ 79 cited

Search for pair production of massive particles decaying into three quarks with the ATLAS detector in sqrt(s) = 7 TeV pp collisions at the LHC

ATLAS Collaboration

A search is conducted for hadronic three-body decays of a new massive coloured particle in sqrt(s) = 7 TeV pp collisions at the LHC using an integrated luminosity of 4.6/fb collect…

hep-ex2012★ 104 cited

Detailed Report of the MuLan Measurement of the Positive Muon Lifetime and Determination of the Fermi Constant

V. Tishchenko, S. Battu, R. M. Carey +30

We present a detailed report of the method, setup, analysis and results of a precision measurement of the positive muon lifetime. The experiment was conducted at the Paul Scherrer…

hep-ex2012★ 103 cited

Measurement of Upsilon production in 7 TeV pp collisions at ATLAS

ATLAS Collaboration

Using 1.8 fb-1 of pp collisions at a center-of-mass energy of 7 TeV recorded by the ATLAS detector at the Large Hadron Collider, we present measurements of the production cross sec…

hep-ex2012★ 51 cited

Measurement of the ttbar production cross section in the tau+jets channel using the ATLAS detector

ATLAS Collaboration

A measurement of the top quark pair production cross section in the final state with a hadronically decaying tau lepton and jets is presented. The analysis is based on proton-proto…

hep-ex2012★ 125 cited

Search for the neutral Higgs bosons of the Minimal Supersymmetric Standard Model in pp collisions at sqrt(s)=7 TeV with the ATLAS detector

ATLAS Collaboration

A search for neutral Higgs bosons of the Minimal Supersymmetric Standard Model (MSSM) is reported. The analysis is based on a sample of proton-proton collisions at a centre-of-mass…

hep-ex2012★ 77 cited

Measurement of the ZZ production cross section and search for anomalous couplings in 2l2l' final states in pp collisions at sqrt(s) = 7 TeV

CMS Collaboration

A measurement is presented of the ZZ production cross section in the ZZ to 2l 2l' decay mode with l = e, mu and l' = e, mu, tau in proton-proton collisions at sqrt(s) = 7 TeV with…

hep-ex2012★ 51 cited

Search for Z' resonances decaying to ttbar in dilepton+jets final states in pp collisions at sqrt(s) = 7 TeV

CMS Collaboration

A search for resonances decaying to top quark-antiquark pairs is performed using a dilepton+jets data sample recorded by the CMS experiment at the LHC in pp collisions at sqrt(s) =…

hep-ex2012★ 15 cited

Search for supersymmetry in final states with a single lepton, b-quark jets, and missing transverse energy in proton-proton collisions at sqrt(s) = 7 TeV

CMS Collaboration

A search motivated by supersymmetric models with light top squarks is presented using proton-proton collision data recorded with the CMS detector at a center-of-mass energy of sqrt…

hep-ex2012★ 180 cited

Measurement of differential top-quark pair production cross sections in pp collisions at sqrt(s) = 7 TeV

CMS Collaboration

Normalised differential top-quark pair production cross sections are measured in pp collisions at a centre-of-mass energy of 7 TeV at the LHC with the CMS detector using data recor…

hep-ex2012★ 95 cited

Search for resonances decaying into top-quark pairs using fully hadronic decays in pp collisions with ATLAS at sqrt(s) = 7 TeV

ATLAS Collaboration

A search for resonances produced in 7 TeV proton-proton collisions and decaying into top-quark pairs is described. In this Letter events where the top-quark decay produces two mass…

hep-ex2012★ 119 cited

Measurement of isolated-photon pair production in pp collisions at sqrt(s) = 7 TeV with the ATLAS detector

ATLAS Collaboration

The ATLAS experiment at the LHC has measured the production cross section of events with two isolated photons in the final state, in proton-proton collisions at sqrt(s) = 7 TeV. Th…

hep-ex2012★ 108 cited

Searches for heavy long-lived sleptons and R-Hadrons with the ATLAS detector in pp collisions at sqrt(s) = 7 TeV

ATLAS Collaboration

A search for long-lived particles is performed using a data sample of 4.7 fb-1 from proton-proton collisions at a centre-of-mass energy sqrt(s) = 7 TeV collected by the ATLAS detec…

hep-ex2012★ 13 cited

Search for supersymmetry in events with photons, bottom quarks, and missing transverse momentum in proton-proton collisions at a centre-of-mass energy of 7 TeV with the ATLAS detector

ATLAS Collaboration

A search has been performed for the experimental signature of an isolated photon with high transverse momentum, at least one jet identified as originating from a bottom quark, and…

hep-ex2012★ 231 cited

The T2K Neutrino Flux Prediction

T2K Collaboration, K. Abe, N. Abgrall +349

The Tokai-to-Kamioka (T2K) experiment studies neutrino oscillations using an off-axis muon neutrino beam with a peak energy of about 0.6 GeV that originates at the J-PARC accelerat…