Showing 2008 · hep-exShow all

80 papers · 2 filters

hep-ex2008★ 171 cited

Search for the Z(4430)^- at BABAR

The BABAR Collaboration, B. Aubert

We report the results of a search for decay to or in $B^{-,0}\to \jpsiπ^- K^{0,+}$ and $B^{-,0}\to \psitwos π^- K^{0,+}$ decays. The data were colle…

hep-ex2008★ 36 cited

Search for the lightest scalar top quark in events with two leptons in ppbar collisions at sqrt(s)=1.96 TeV

D0 Collaboration, V. Abazov

We report results of a search for the pair production of the lightest supersymmetric partner of the top quark using 1 fb-1 of data collected by the D0 detector at a ppbar center-of…

hep-ex2008★ 14 cited

Search for neutral Higgs bosons at high tan(beta) in the b(h/H/A)->btautau channel

D0 Collaboration, V. Abazov

The first search in ppbar collisions at sqrt(s)=1.96 GeV for the production of neutral Higgs bosons in association with bottom quarks and decaying in two tau leptons is presented.…

hep-ex2008★ 1 cited

The Nemo-3 Experiment and the Supernemo Project

Laurent Simard

The NEMO experiment is investigating the neutrinoless double beta decay. The NEMO-3 detector is taking data in the Frejus Underground Laboratory. The goal of the SuperNEMO detector…

hep-ex2008★ 2 cited

Searches beyond the standard model at high-energy colliders

J. -F. Grivaz

Recent searches for physics beyond the standard model at high-energy colliders are reviewed, with emphasis on supersymmetry, additional space dimensions, extra gauge bosons, leptoq…

hep-ex2008★ 108 cited

Inclusive cross section and double helicity asymmetry for pi^0 production in p+p collisions at sqrt(s) = 62.4 GeV

PHENIX Collaboration, A. Adare

The PHENIX experiment presents results from the RHIC 2006 run with polarized proton collisions at sqrt(s) = 62.4 GeV for inclusive pi^0 production at mid-rapidity. Unpolarized cros…

hep-ex2008★ 90 cited

The gluon spin contribution to the proton spin from the double helicity asymmetry in inclusive pi^0 production in polarized p+p collisions at sqrt(s)=200 GeV

PHENIX Collaboration, A. Adare

The double helicity asymmetry in neutral pion production for p_T = 1 to 12 GeV/c has been measured with the PHENIX experiment in order to access the gluon spin contribution, Delta-…

hep-ex2008★ 128 cited

Measurement of the Double Beta Decay Half-life of 150-Nd and Search for Neutrinoless Decay Modes with the NEMO-3 Detector

The NEMO Collaboration, J. Argyriades

The half-life for double beta decay of 150-Nd has been measured by the NEMO-3 experiment at the Modane Underground Laboratory. Using 924.7 days of data recorded with 36.55 g of 150…

hep-ex2008★ 19 cited

Measurement of the angular and lifetime parameters of the decays and

D0 Collaboration, V. Abazov

We present measurements of the linear polarization amplitudes and the strong relative phases that describe the flavor-untagged decays and $B_{s}^{0}\to J/ψ…

hep-ex2008★ 95 cited

Measurement of the e+e- --> b anti-b cross section between sqrt(S)=10.54 and 11.20 GeV

The BABAR Collaboration, B. Aubert

We report e+e- --> b anti-b cross section measurements by the BABAR experiment performed during an energy scan in the range of 10.54 to 11.20 GeV at the PEP-II e+e- collider. A tot…

hep-ex2008★ 80 cited

A Search for Recoiling Against

The BABAR Collaboration, B. Aubert

We present a search for the decay $\B^+ \to \ell^+ ν_{\ell} (\ell = τ, μ, \mathrm{or} e)$ in decays recorded with the Babar detector at the…

hep-ex2008★ 62 cited

Search for charged massive long-lived particles with the D0 detector

D0 Collaboration, V. Abazov

We search for charged massive long-lived particles using 1.1 fb of data collected by the D0 detector at the Fermilab Tevatron Collider. Time-of-flight information…

hep-ex2008★ 41 cited

Measurement of time dependent CP asymmetry parameters in B0 meson decays to omega K0S, eta'K0, and pi0K0S

The BABAR Collaboration, B. Aubert

We present measurements of the time-dependent CP-violation parameters S and C in the decays omega K0S, eta'K0, reconstructed as eta'K0S and eta'K0L, and pi0K0S. The data sample cor…

hep-ex2008★ 70 cited

Measurements of the Semileptonic Decays $\Bb\to D\ell\nub$ and $\Bb\to D^*\ell\nub$ Using a Global Fit to $D X\ell\nub$ Final States

The BABAR Collaboration, B. Aubert

Semileptonic decays to ( or ) are selected by reconstructing and combinations from a sample of 230 million $Υ(4S) \to B\bar{B…

hep-ex2008★ 197 cited

Evidence for X(3872) --> psi(2S) gamma in B+/- --> X(3872) K+/- decays, and a study of B --> ccbar gamma K

The BABAR Collaboration, B. Aubert

In a search for B --> ccbar gamma K decays with the BaBar detector, where ccbar includes J/psi and psi(2S), and K includes K+, Ks, and K*(892), we find evidence for X(3872) --> J/p…

hep-ex2008★ 32 cited

Search for pair production of second generation scalar leptoquarks

D0 Collaboration, V. M. Abazov

We report on a search for the pair production of second generation scalar leptoquarks (LQ) in ppbar collisions at the center of mass energy sqrt(s)=1.96 TeV using a data set corres…

hep-ex2008★ 26 cited

Measurement of the Branching Fractions of the Radiative Charm Decays and

The BABAR Collaboration, B. Aubert

We present a measurement of the branching fractions for the Cabibbo-favored radiative decay, , and the Cabibbo-suppressed radiative decay, …

hep-ex2008★ 32 cited

Measurement of sigma(ppbar -> Z + X) Br(Z -> tau+tau-) at sqrt(s)=1.96 TeV

D0 Collaboration, V. Abazov

We present a measurement of the cross section for Z boson production times the branching fraction to tau lepton pairs sigma(ppbar -> Z + X) Br(Z -> tau+ tau-) in proton-antiproton…

hep-ex2008★ 2 cited

A search for the standard model Higgs boson in the missing energy and acoplanar b-jet topology at sqrt(s) = 1.96 TeV

D0 Collaboration, V. Abazov

We report a search for the standard model Higgs boson in the missing energy and acoplanar b-jet topology, using an integrated luminosity of 0.93 inverse femtobarn recorded by the D…

hep-ex2008★ 42 cited

Measurement of the Branching Fractions of Bbar -> D** l^- nubar_l Decays in Events Tagged by a Fully Reconstructed B Meson

The BABAR Collaboration, B. Aubert

We report a measurement of the branching fractions of Bbar -> D** l^- nubar_l decays based on 417 fb-1 of data collected at the Upsilon(4S) resonance with the BaBar detector at the…

hep-ex2008★ 92 cited

Observation of the doubly strange b baryon Omega_b-

D0 Collaboration, V. Abazov

We report the observation of the doubly strange b baryon Omega_b- in the decay channel Omega_b- to J/psi Omega-, with J/psi to mu+ mu- and Omega- to Lambda K-, in collis…

hep-ex2008★ 26 cited

Measurements of time-dependent CP asymmetries in B0 --> D(*)+D(*)- decays

The BABAR Collaboration, B. Aubert

We present new measurements of time-dependent CP asymmetries for B0 --> D(*)+D(*)- decays using (467 +/- 5) X 10^6 BB pairs collected with the BaBar detector located at the PEP-II…

hep-ex2008★ 11 cited

Observation of B0 -> chi_c0K*0 and evidence for B+ -> chi_c0K*+

The BABAR Collaboration, B. Aubert

We present the observation of the decay B0 -> chi_c0K*0 as well as evidence of B+ -> chi_c0K*+, with an 8.9 and a 3.6 standard deviation significance, respectively, using a data sa…

hep-ex2008★ 62 cited

Measurement of differential Z/gamma*+jet+X cross sections in proton anti-proton collisions at sqrt{s}=1.96 TeV

D0 Collaboration, V. Abazov

We present new measurements of differential cross sections for Z/gamma*(->mumu)+jet+X production in a 1 fb-1 data sample collected with the D0 detector in proton anti-proton collis…