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19912026
Showing 2010 · hep-exShow all

28 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★ 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★ 30 cited

Search for a New Heavy Gauge Boson Wprime with Electron + missing ET Event Signature in ppbar collisions at sqrt(s)=1.96 TeV

The CDF Collaboration, T. Aaltonen

We present a search for a new heavy charged vector boson decaying to an electron-neutrino pair in collisions at a center-of-mass energy of $1.96\unit{TeV}$. T…

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★ 57 cited

Measurement of ttbar Spin Correlation in ppbar Collisions Using the CDF II Detector at the Tevatron

T. Aaltonen et al.

The ttbar spin correlation at production is a fundamental prediction of QCD and a potentially incisive test of new physics coupled to top quarks. We measure the ttbar spin state in…

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★ 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★ 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★ 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★ 231 cited

Averages of b-hadron, c-hadron, and tau-lepton Properties

The Heavy Flavor Averaging Group, D. Asner, Sw. Banerjee +36

This article reports world averages for measurements of b-hadron, c-hadron, and tau-lepton properties obtained by the Heavy Flavor Averaging Group (HFAG) using results available at…

hep-ex2010★ 892 cited

Observation of Long-Range Near-Side Angular Correlations in Proton-Proton Collisions at the LHC

CMS Collaboration

Results on two-particle angular correlations for charged particles emitted in proton-proton collisions at center-of-mass energies of 0.9, 2.36, and 7 TeV are presented, using data…

hep-ex2010★ 10 cited

Improved Search for a Higgs Boson Produced in Association with Z->l+l- in proton antiproton Collisions at sqrt(s) = 1.96 TeV

The CDF Collaboration, T. Aaltonen

We present a search for the standard model Higgs boson produced with a Z boson in 4.1 fb^-1 of data collected with the CDF II detector at the Tevatron. In events consistent with th…

hep-ex2010★ 22 cited

Search for rare and forbidden decays of charm and charmed-strange mesons to final states h^+- e^-+ e^+

CLEO Collaboration, P. Rubin, N. Lowrey +84

We have searched for flavor-changing neutral current decays and lepton-number-violating decays of D^+ and D^+_s mesons to final states of the form h^+- e^-+ e^+, where h is either…

hep-ex2010★ 87 cited

Study of psi(2S) Decays to gamma p bar{p}, pi^0 p bar{p} and eta p bar{p} and Search for p bar{p} Threshold Enhancements

CLEO Collaboration, J. P. Alexander, D. G. Cassel +85

The decays of psi(2S) into gamma p bar{p}, pi^0 p bar{p} and eta p bar{p} have been studied with the CLEO-c detector using a sample of 24.5 million psi(2S) events obtained from e^+…

hep-ex2010★ 76 cited

Measurement of the Underlying Event Activity in Proton-Proton Collisions at 0.9 TeV

CMS Collaboration

A measurement of the underlying activity in scattering processes with transverse momentum scale in the GeV region is performed in proton-proton collisions at sqrt(s) = 0.9 TeV, usi…

hep-ex2010★ 4 cited

Branching fractions for chi_cJ -> p p-bar pi^0, p p-bar eta, and p p-bar omega

CLEO Collaboration, P. U. E. Onyisi, J. L. Rosner +89

Using a sample of 25.9 million psi(2S) decays acquired with the CLEO-c detector at the CESR e^+e^- collider, we report branching fractions for the decays chi_cJ -> p p-bar pi^0, p…

hep-ex2010★ 68 cited

Measurement of Bose-Einstein correlations with first CMS data

CMS Collaboration

Bose-Einstein correlations have been measured using samples of proton-proton collisions at 0.9 and 2.36 TeV center-of-mass energies, recorded by the CMS experiment at the CERN Larg…