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Showing 2012 · hep-exShow all

249 papers · 2 filters

hep-ex2012★ 11 cited

First observation of the decays and

LHCb collaboration, R. Aaij, C. Abellan Beteta +621

The first observation of the decays and are reported using an integrated luminosity of 1.0 fb recorded by the…

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★ 14 cited

Measurement of the combined rapidity and dependence of dijet azimuthal decorrelations in collisions at TeV

D0 Collaboration

We present the first combined measurement of the rapidity and transverse momentum dependence of dijet azimuthal decorrelations, based on the recently proposed quantity . Th…

hep-ex2012★ 3 cited

Spin and diffractive physics with A Fixed-Target ExpeRiment at the LHC (AFTER@LHC)

C. Lorce, M. Anselmino, R. Arnaldi +13

We report on the spin and diffractive physics at a future multi-purpose fixed-target experiment with proton and lead LHC beams extracted by a bent crystal. The LHC multi-TeV beams…

hep-ex2012★ 40 cited

Charged kaon femtoscopic correlations in pp collisions at TeV

ALICE Collaboration

Correlations of two charged identical kaons () are measured in pp collisions at ~TeV by the ALICE experiment at the Large Hadron Colli…

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★ 17 cited

Measurement of CP observables in B0 -> D K*0 with D -> K+ K-

LHCb collaboration, R. Aaij, C. Abellan Beteta +625

The decay B0 -> D K*0 and the charge conjugate mode are studied using 1.0fb-1 of pp collision data collected by the LHCb experiment at sqrt(s) = 7TeV in 2011. The CP asymmetry betw…

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★ 26 cited

Measurement of the forward energy flow in pp collisions at sqrt(s)=7 TeV

LHCb collaboration, R. Aaij, C. Abellan Beteta +628

The energy flow created in pp collisions at sqrt(s)=7 TeV is studied within the pseudorapidity range 1.9<eta<4.9 with data collected by the LHCb experiment. The measurements are pe…

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★ 20 cited

Search for CP violation in the Decays , , and

The BABAR Collaboration, J. P. Lees, others

We report a search for CP violation in the decay modes , , and $D_s^{\pm}\to K^0_{\scr…

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★ 53 cited

Measurement of J/psi production in pp collisions at sqrt(s)=2.76 TeV

LHCb collaboration, R. Aaij, C. Abellan Beteta +624

The production of J/psi mesons is studied with the LHCb detector using data from pp collisions at sqrt(s)=2.76 TeV corresponding to an integrated luminosity of 71 nb^-1. The differ…

hep-ex2012★ 12 cited

Search for charged massive long-lived particles at sqrt(s)= 1.96 TeV

D0 Collaboration

We present a search for charged massive long-lived particles (CMLLPs) that are pair produced in p-pbar collisions at sqrt(s)= 1.96 TeV collected by the D0 experiment at the Fermila…

hep-ex2012★ 391 cited

First evidence for the decay Bs -> mu+ mu-

LHCb collaboration, R. Aaij, C. Abellan Beteta +617

A search for the rare decays Bs->mu+mu- and B0->mu+mu- is performed using data collected in 2011 and 2012 with the LHCb experiment at the Large Hadron Collider. The data samples co…

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★ 11 cited

Search for the Higgs boson in lepton, tau and jets final states

D0 Collaboration

We present a search for the standard model Higgs boson in final states with an electron or muon and a hadronically decaying tau lepton in association with two or more jets using 9.…

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★ 70 cited

Measurement of angular correlations in Drell-Yan lepton pairs to probe Z/gamma* boson transverse momentum at sqrt(s)=7 TeV with the ATLAS detector

ATLAS Collaboration

A measurement of angular correlations in Drell-Yan lepton pairs via the phistar observable is presented. This variable probes the same physics as the Z/gamma* boson transverse mome…

hep-ex2012★ 26 cited

Measurement of the time-dependent CP asymmetry in B0 -> J/ψ KS0 decays

LHCb collaboration, R. Aaij, C. Abellan Beteta +622

This Letter reports a measurement of the CP violation observables S_J/ψKS0 and C_J/ψKS0 in the decay channel B0 -> J/ψ KS0 performed with 1.0/fb of pp collisions at sqrt(s) = 7 TeV…

hep-ex2012★ 62 cited

First observation of the decay and studies of excited mesons

LHCb collaboration, R. Aaij, C. Abellan Beteta +621

Properties of the orbitally excited (L=1) states are studied using 1.0 fb of pp collisions at TeV collected with the LHCb detector. The first observation…