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Showing 2009 · hep-exShow all

58 papers · 2 filters

hep-ex2009★ 84 cited

Determination of the strong coupling constant from the inclusive jet cross section in ppbar collisions at sqrt(s)=1.96 TeV

D0 Collaboration, V. M. Abazov

We determine the strong coupling constant alphas and its energy dependence from the pT dependence of the inclusive jet cross section in ppbar collisions at sqrt(s)=1.96 TeV. The st…

hep-ex2009★ 22 cited

Dispersive analysis of K_{L mu3} and K_{L e3} scalar and vector form factors using KTeV data

KTeV collaboration, E. Abouzaid et al., V. Bernard +3

Using the published KTeV samples of K_L --> pi^{\pm} e^{\mp} nu and K_L --> pi^{\pm} mu^{\mp} nu decays [1], we perform a reanalysis of the scalar and vector form factors based on…

hep-ex2009★ 12 cited

Search for the associated production of a b quark and a neutral supersymmetric Higgs boson which decays to tau pairs

D0 Collaboration, V. M. Abazov

We report results from a search for production of a neutral Higgs boson in association with a quark. We search for Higgs decays to pairs with one subsequently decaying…

hep-ex2009★ 20 cited

Search for the Standard Model Higgs Boson in the ZH->vvbb Channel in 5.2 fb-1 of p-pbar Collisions at sqrt(s)=1.96 TeV

D0 Collaboration

A search is performed for the standard model Higgs boson in 5.2 fb-1 of p-pbar collisions at sqrt(s)=1.96 TeV, collected with the D0 detector at the Fermilab Tevatron Collider. The…

hep-ex2009★ 187 cited

Double parton interactions in photon+3 jet events in ppbar collisions sqrt{s}=1.96 TeV

D0 Collaboration

We have used a sample of photon+3 jets events collected by the D0 experiment with an integrated luminosity of about 1 fb^-1 to determine the fraction of events with double parton s…

hep-ex2009★ 26 cited

Measurement of absolute branching fractions of inclusive semileptonic decays of charm and charmed-strange mesons

The CLEO Collaboration

We have measured the inclusive semileptonic branching fractions of , , and mesons. For these measurements, we have used the full CLEO-c open-charm data samples, 8…

hep-ex2009★ 91 cited

Three-particle coincidence of the long range pseudorapidity correlation in high energy nucleus-nucleus collisions

STAR Collaboration, B. I. Abelev

We report the first three-particle coincidence measurement in pseudorapidity () between a high transverse momentum () trigger particle and two lower asso…

hep-ex2009★ 49 cited

Inclusive pi^0, eta, and direct photon production at high transverse momentum in p+p and d+Au collisions at sqrt(s_NN) = 200 GeV

The STAR Collaboration, B. I. Abelev

We report a measurement of high-p_T inclusive pi^0, eta, and direct photon production in p+p and d+Au collisions at sqrt(s_NN) = 200 GeV at midrapidity (0 < eta < 1). Photons from…

hep-ex2009★ 16 cited

Search for single top quarks in the tau+jets channel using 4.8 fb of collision data

The D0 Collaboration

We present the first direct search for single top quark production using tau leptons. The search is based on 4.8 fb of integrated luminosity collected in collisio…

hep-ex2009★ 19 cited

Search for a resonance decaying into WZ boson pairs in collisions

The D0 Collaboration, V. M. Abazov

We present the first search for an electrically charged resonance decaying to a WZ boson pair using 4.1 fb of integrated luminosity collected with the D0 detector…

hep-ex2009★ 65 cited

Measurement of the Pseudoscalar Decay Constant fDs Using Ds+ -> tau+ nu, tau+ -> rho+ anti-nu Decays

The CLEO Collaboration

Analyzing 600/pb of e+e- collisions at 4170 MeV center-of-mass energy with the CLEO-c detector, we measure the branching fraction B(Ds+ -> tau+ nu)=(5.52\pm 0.57\pm 0.21)% using th…

hep-ex2009★ 50 cited

Longitudinal double-spin asymmetry and cross section for inclusive neutral pion production at midrapidity in polarized proton collisions at sqrt(s) = 200 GeV

The STAR Collaboration, B. I. Abelev

We report a measurement of the longitudinal double-spin asymmetry A_LL and the differential cross section for inclusive Pi0 production at midrapidity in polarized proton collisions…

hep-ex2009★ 29 cited

Longitudinal Spin Transfer to and Hyperons in Polarized Proton-Proton Collisions at = 200 GeV

The STAR Collaboration, B. I. Abelev

The longitudinal spin transfer, , from high energy polarized protons to and hyperons has been measured for the first time in proton-proton collisions at $\sqrt{…

hep-ex2009★ 16 cited

Search for psi(2S) -> gamma eta_c(2S) via fully reconstructed eta_c(2S) decays

CLEO Collaboration, D. Cronin-Hennessy

We report a search for the decay psi(2S) -> gamma eta_c(2S) in a sample of 25.9 million psi(2S) events collected with the CLEO-c detector. No signals are observed in any of the 11…

hep-ex2009★ 25 cited

Higher-order multipole amplitudes in charmonium radiative transitions

M. Artuso

Using 24 million decays in CLEO-c, we have searched for higher multipole admixtures in electric-dipole-dominated radiative transitions in charmonia. We find good…

hep-ex2009★ 95 cited

Measurement of the W boson mass

The D0 Collaboration, V. Abazov

We present a measurement of the W boson mass in W -> ev decays using 1 fb^-1 of data collected with the D0 detector during Run II of the Fermilab Tevatron collider. With a sample o…

hep-ex2009★ 66 cited

Measurement of the eta_b(1S) mass and the branching fraction for Upsilon(3S) --> gamma eta_b(1S)

The CLEO Collaboration, G. Bonvicini, D. Cinabro +91

We report evidence for the ground state of bottomonium, eta_b(1S), in the radiative decay Upsilon(3S) --> gamma eta_b in e^+e^- annihilation data taken with the CLEO III detector.…

hep-ex2009★ 20 cited

Direct measurement of the W boson width

D0 Collaboration, V. Abazov

We present a direct measurement of the width of the W boson using the shape of the transverse mass distribution of W->enu candidates selected in 1 fb-1 of data collected with the D…

hep-ex2009★ 6 cited

Inclusive Radiative psi(2S) Decays

J. Libby

Using e+e- collision data taken with the CLEO-c detector at the Cornell Electron Storage Ring, we have investigated the direct photon spectrum in the decay psi(2S)->gamma+gluon+glu…

hep-ex2009★ 140 cited

Search for charged Higgs bosons in top quark decays

D0 Collaboration, V. Abazov

We present a search for charged Higgs bosons in top quark decays. We analyze the \eplus, \muplus, , , , \etau and \mutau final states from top quark pair production eve…

hep-ex2009★ 52 cited

Search for resonant pair production of neutral long-lived particles decaying to bbbar in ppbar collisions at sqrt(s)=1.96 TeV

The D0 Collaboration, V. Abazov

We report on a first search for resonant pair production of neutral long-lived particles (NLLP) which each decay to a bbbar pair, using 3.6 fb^-1 of data recorded with the D0 detec…

hep-ex2009★ 28 cited

Search for pair production of first-generation leptoquarks in p pbar collisions at sqrt(s)=1.96 TeV

The D0 Collaboration, V. Abazov

A search for pair production of first-generation leptoquarks LQ is performed with data collected by the D0 experiment in p pbar collisions at sqrt(s)=1.96 TeV at the Fermilab Tevat…

hep-ex2009★ 16 cited

Measurement of trilinear gauge boson couplings from WW + WZ to lnu jj events in pp-bar collisions at sqrt{s}=1.96 TeV

The D0 Collaboration, V. Abazov

We present a direct measurement of trilinear gauge boson couplings at gammaWW and ZWW vertices in WW and WZ events produced in pp-bar collisions at sqrt{s}=1.96 TeV. We consider ev…

hep-ex2009★ 36 cited

Measurement of Z/gamma*+jet+X angular distributions in ppbar collisions at sqrt{s}=1.96 TeV

D0 Collaboration, V. M. Abazov

We present the first measurements at a hadron collider of differential cross sections for Z+jet+X production in delta phi(Z, jet), |delta y(Z, jet)| and |y_boost(Z, jet)|. Vector b…