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Showing 2012 · hep-exShow all

183 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★ 50 cited

Measurement of the neutrino velocity with the OPERA detector in the CNGS beam using the 2012 dedicated data

The OPERA Collaboration, T. Adam, N. Agafonova +168

In spring 2012 CERN provided two weeks of a short bunch proton beam dedicated to the neutrino velocity measurement over a distance of 730 km. The OPERA neutrino experiment at the u…

hep-ex2012★ 28 cited

Measurement of η meson production in γγ interactions and Γ(η-->γγ) with the KLOE detector

2 Collaboration, D. Babusci, D. Badoni +68

We present a measurement of η meson production in photon-photon interactions produced by electron-positron beams colliding with \sqrt{s}=1 GeV. The measurement is done with the KLO…

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★ 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★ 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★ 17 cited

Search for direct CP-violation in singly-Cabibbo suppressed D+- --> K+ K- pi+- decays

BaBar Collaboration, J. P. Lees, V. Poireau +359

We report on a search for direct CP asymmetry in the singly Cabibbo-suppressed decay D+- --> K+ K- pi+- using a data sample of 476 fb-1 accumulated with the BaBar detector running…

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★ 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★ 41 cited

Search for exotic resonances decaying into WZ/ZZ in pp collisions at sqrt(s) = 7 TeV

CMS Collaboration

A search for new exotic particles decaying to the VZ final state is performed, where V is either a W or a Z boson decaying into two overlapping jets and the Z decays into a pair of…

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★ 34 cited

Search for new physics in events with photons, jets, and missing transverse energy in pp collisions at sqrt(s) = 7 TeV

CMS Collaboration

A search for physics beyond the standard model involving events with one or more photons, jets, and missing transverse energy has been performed by the CMS experiment. The data sam…

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★ 60 cited

Search in leptonic channels for heavy resonances decaying to long-lived neutral particles

CMS Collaboration

A search is performed for heavy resonances decaying to two long-lived massive neutral particles, each decaying to leptons. The experimental signature is a distinctive topology cons…

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★ 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…

hep-ex2012★ 26 cited

Search for resonant top plus jet production in ttbar + jets events with the ATLAS detector in pp collisions at sqrt(s) = 7 TeV

ATLAS Collaboration

This paper presents a search for a new heavy particle produced in association with a top or antitop quark. Two models in which the new heavy particle is a color singlet or a color…