Showing 2010 · hep-exShow all

44 papers · 2 filters

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★ 6 cited

Evidence for a Mass Dependent Forward-Backward Asymmetry in Top Quark Pair Production

The CDF Collaboration, T. Aaltonen

We present a new measurement of the inclusive forward-backward t-tbar production asymmetry and its rapidity and mass dependence. The measurements are performed with 5.3 fb^{-1} of…

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★ 4 cited

Measurement of partial branching fractions of inclusive charmless B meson decays to K+, K0, and pi+

The BABAR Collaboration, P. del Amo Sanchez

We present measurements of partial branching fractions of , , and , where denotes any accessible final state abov…

hep-ex2010★ 25 cited

Search for Randall-Sundrum Gravitons in the Diphoton Channel at CDF

CDF Collaboration, T. Aaltonen

We report on a search for new particles in the diphoton channel using a data sample of collisions at TeV collected by the CDF II detector at the Fermila…

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★ 37 cited

Measurement of b hadron lifetimes in exclusive decays containing a J/psi in p-pbar collisions at sqrt(s)=1.96TeV

T. Aaltonen et al.

We report on a measurement of -hadron lifetimes in the fully reconstructed decay modes B^+ -->J/Psi K+, B^0 --> J/Psi K*, B^0 --> J/Psi Ks, and Lambda_b --> J/Psi Lambda using d…

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★ 48 cited

Analysis of the D+ --> K- pi+ e+ nu_e decay channel

The BABAR Collaboration, P. del Amo Sanchez

Using 347.5 fb-1 of data recorded by the BABAR detector at the PEP-II electron-positron collider, 244*10^3 signal events for the D+ --> K- pi+ e+ nu_e decay channel are analyzed. T…

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★ 44 cited

Top Quark Mass Measurement in the Lepton + Jets Channel Using a Matrix Element Method and in situ Jet Energy Calibration

T. Aaltonen et al.

A precision measurement of the top quark mass m_t is obtained using a sample of ttbar events from ppbar collisions at the Fermilab Tevatron with the CDF II detector. Selected event…

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★ 71 cited

Dalitz plot analysis of Ds+ --> K+ K- pi+

P. del Amo Sanchez et al.

We perform a Dalitz plot analysis of about 100,000 Ds+ decays to K+ K- pi+ and measure the complex amplitudes of the intermediate resonances which contribute to this decay mode. We…

hep-ex2010★ 27 cited

Measurement of the B -> Dbar(*)D(*)K branching fractions

The BABAR Collaboration, P. del Amo Sanchez

We present a measurement of the branching fractions of the 22 decay channels of the B0 and B+ mesons to Dbar(*)D(*)K, where the D(*) and Dbar(*) mesons are fully reconstructed. Sum…

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

CP violation and CKM matrix elements at the B factories

Jacques Chauveau

Recent measurements at the B factories of CKM matrix elements affecting CP-violation are reviewed. The emphasis is on the unitarity triangle. Some aspects of the charm and tau sect…

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…

hep-ex2010★ 155 cited

Observation of new resonances decaying to and in inclusive collisions near 10.58 GeV

The BABAR Collaboration, P. del Amo Sanchez

We present a study of the , , and systems in inclusive interactions in a search for new excited meson states. We use a…

hep-ex2010★ 9 cited

Updated Search for the Flavor-Changing Neutral-Current Decay D^0 \to μ + μ-

The CDF Collaboration, T. Aaltonen

We report on a search for the flavor-changing neutral-current decay D0 \to μ+ μ- in pp collisions at \surd s = 1.96 TeV using 360 pb-1 of integrated luminosity collected by the CDF…

hep-ex2010★ 22 cited

Search for events with leptonic jets and missing transverse energy in ppbar collisions at sqrt(s)=1.96 TeV

D0 Collaboration, V. Abazov et al.

We present the first search for pair production of isolated jets of charged leptons in association with a large imbalance in transverse energy in ppbar collisions using 5.8 fb^-1 o…

hep-ex2010★ 29 cited

Search for diphoton events with large missing transverse energy in 6.3 fb-1 of ppbar collisions at sqrt(s)=1.96 TeV

D0 Collaboration, V. Abazov

We report a search for diphoton events with large missing transverse energy produced in ppbar collisions at sqrt(s)=1.96 TeV. The data were collected with the D0 detector at the Fe…

hep-ex2010★ 15 cited

Measurement of ttbar production in the tau + jets topology using ppbar collisions at sqrt{s} = 1.96 TeV

D0 Collaboration, V. Abazov

We present a measurement of the ttbar production cross section multiplied by the branching ratio to tau lepton decaying semihadronically plus jets, at a center of mass energy sqrt{…

hep-ex2010★ 46 cited

Measurement of the Absolute Branching Fractions for and Extraction of the Decay Constant

The BABAR Collaboration, P. del Amo Sanches

The absolute branching fractions for the decays (, , or ) are measured using a data sample corresponding to an integrated lum…