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19922026
Showing 2010 · hep-exShow all

53 papers · 2 filters

hep-ex2010★ 7 cited

Upsilon(1S)->gamma+f2'(1525); f2'(1525)->K0sK0s decays

The CLEO Collaboration, D. Besson, D. P. Hogan +83

We report on a study of exclusive radiative decays of the Upsilon(1S) resonance into a final state consisting of a photon and two K0s candidates. We find evidence for a signal for…

hep-ex2010★ 70 cited

Measurement of the top quark pair production cross section in the lepton+jets channel in proton-antiproton collisions at =1.96 TeV

D0 Collaboration, V. Abazov

We present a measurement of the inclusive top quark pair production cross section in \ppbar collisions at (\sqrt{s}=1.96) TeV utilizing data corresponding to an integrated luminosi…

hep-ex2010★ 212 cited

Measurement of the Inclusive Upsilon production cross section in pp collisions at sqrt(s)=7 TeV

CMS Collaboration

The Upsilon production cross section in proton-proton collisions at sqrt(s) = 7 TeV is measured using a data sample collected with the CMS detector at the LHC, corresponding to an…

hep-ex2010★ 20 cited

Search for Pair Production of Second-Generation Scalar Leptoquarks in pp Collisions at sqrt(s) = 7 TeV

The CMS Collaboration

A search for pair production of second-generation scalar leptoquarks in the final state with two muons and two jets is performed using proton-proton collision data at sqrt(s) = 7 T…

hep-ex2010★ 24 cited

Search for Pair Production of First-Generation Scalar Leptoquarks in pp Collisions at sqrt(s) = 7 TeV

The CMS Collaboration

A search for pair production of first-generation scalar leptoquarks is performed in the final state containing two electrons and two jets using proton-proton collision data at sqrt…

hep-ex2010★ 20 cited

Search for associated production in 5.3 fb of collisions at the Fermilab Tevatron

D0 Collaboration, V. Abazov

We present a search for associated production of Higgs and bosons in collisions at a center of mass energy of TeV in 5.3 fb of integrated lumi…

hep-ex2010★ 87 cited

Measurement of the Isolated Prompt Photon Production Cross Section in pp Collisions at sqrt(s) = 7 TeV

CMS Collaboration

The differential cross section for the inclusive production of isolated prompt photons has been measured as a function of the photon transverse energy E_T-gamma in pp collisions at…

hep-ex2010★ 12 cited

Measurements of branching fractions for electromagnetic transitions involving the states

The CLEO Collaboration, M. Kornicer, R. E. Mitchell +82

Using 9.32, 5.88 million Upsilon(2S,3S) decays taken with the CLEO-III detector, we obtain five product branching fractions for the exclusive processes Upsilon(2S) => gamma chi_{b0…

hep-ex2010★ 20 cited

Search for resonant WW and WZ production in ppbar collisions at ?s = 1.96 TeV

D0 Collaboration, V. Abazov

We search for resonant WW or WZ production using up to 5.4 fb-1 of integrated luminosity collected by the D0 experiment in Run II of the Fermilab Tevatron Collider. The data are co…

hep-ex2010★ 53 cited

Search for Stopped Gluinos in pp collisions at sqrt s = 7 TeV

CMS Collaboration

The results of the first search for long-lived gluinos produced in 7 TeV pp collisions at the CERN Large Hadron Collider are presented. The search looks for evidence of long-lived…

hep-ex2010★ 183 cited

Charged particle multiplicities in pp interactions at sqrt(s) = 0.9, 2.36, and 7 TeV

CMS Collaboration

Measurements of primary charged hadron multiplicity distributions are presented for non-single-diffractive events in proton-proton collisions at centre-of-mass energies of sqrt(s)…

hep-ex2010★ 197 cited

Prompt and non-prompt J/psi production in pp collisions at sqrt(s) = 7 TeV

CMS Collaboration

The production of J/psi mesons is studied in pp collisions at sqrt(s)=7 TeV with the CMS experiment at the LHC. The measurement is based on a dimuon sample corresponding to an inte…

hep-ex2010★ 155 cited

Search for Dijet Resonances in 7 TeV pp Collisions at CMS

CMS Collaboration

A search for narrow resonances in the dijet mass spectrum is performed using data corresponding to an integrated luminosity of 2.9 inverse pb collected by the CMS experiment at the…

hep-ex2010★ 42 cited

Search for neutral Higgs bosons in the multi-b-jet topology in 5.2fb-1 of ppbar collisions at sqrt(s)=1.96 TeV

D0 Collaboration, V. Abazov et al.

Data recorded by the D0 experiment at the Fermilab Tevatron Collider are analyzed to search for neutral Higgs bosons produced in association with b quarks. The search is performed…

hep-ex2010★ 162 cited

Precise Measurements of Direct CP Violation, CPT Symmetry, and Other Parameters in the Neutral Kaon System

KTeV Collaboration, E. Abouzaid, M. Arenton +56

We present precise tests of CP and CPT symmetry based on the full dataset of K to pipi decays collected by the KTeV experiment at Fermi National Accelerator Laboratory during 1996,…

hep-ex2010★ 47 cited

Measurement of the W boson helicity in top quark decays using 5.4 fb^-1 of ppbar collision data

V. M. Abazov, B. Abbott, B. S. Acharya +425

We present a measurement of the helicity of the W boson produced in top quark decays using ttbar decays in the l+jets and dilepton final states selected from a sample of 5.4 fb^-1…

hep-ex2010★ 32 cited

Studies of D^+ -> {eta', eta, phi} e^+ nu_e

CLEO Collaboration, J. Yelton, P. Rubin +85

We report the first observation of the decay D^+ -> eta' e^+ nu_e in two analyses, which combined provide a branching fraction of B(D+ -> eta' e nu) = (2.16 +/- 0.53 +/- 0.07) x 10…

hep-ex2010★ 22 cited

A measurement of the ratio of inclusive cross sections at TeV

D0 Collaboration, V. Abazov et al.

The ratio of the cross section for interactions producing a boson and at least one quark jet to the inclusive cross section is measured using $4.2\…

hep-ex2010★ 150 cited

First Measurement of the Cross Section for Top-Quark Pair Production in Proton-Proton Collisions at sqrt(s)=7 TeV

CMS Collaboration

The first measurement of the cross section for top-quark pair production in pp collisions at the LHC at center-of-mass energy sqrt(s)= 7 TeV has been performed using 3.1 {\pm} 0.3…

hep-ex2010★ 54 cited

Search for Quark Compositeness with the Dijet Centrality Ratio in pp Collisions at sqrt(s)=7 TeV

CMS Collaboration

A search for quark compositeness in the form of quark contact interactions, based on hadronic jet pairs (dijets) produced in proton-proton collisions at sqrt(s)=7 TeV, is described…

hep-ex2010★ 128 cited

Model-independent determination of the strong-phase difference between D^0 and D^0-bar-> K^0_S,L h^+ h^- (h=pi,K) and its impact on the measurement of the CKM angle gamma/phi_3

J. Libby, M. Kornicer, R. E. Mitchell +81

We report the first determination of the relative strong-phase difference between D^0 -> K^0_S,L K^+ K^- and D^0-bar -> K^0_S,L K^+ K^-. In addition, we present updated measurement…

hep-ex2010★ 21 cited

Search for single vector-like quarks in ppbar collisions at sqrt(s) = 1.96 TeV

D0 Collaboration, V. Abazov

We present a search for hypothetical vector-like quarks in ppbar collisions at sqrt(s) = 1.96 TeV. The data were collected by the D0 detector at the Fermilab Tevatron Collider and…

hep-ex2010★ 22 cited

Search for pair production of the scalar top quark in the electron-muon final state

V. M. Abazov, B. Abbott, M. Abolins +428

We report the result of a search for the pair production of the lightest supersymmetric partner of the top quark () in collisions at a center-of-mass energy…

hep-ex2010★ 50 cited

Determination of the width of the top quark

V. M. Abazov, B. Abbott, M. Abolins +428

We extract the total width of the top quark, Gamma_t, from the partial decay width Gamma(t -> W b) measured using the t-channel cross section for single top quark production and fr…