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19912026
Showing 2008 · hep-exShow all

45 papers · 2 filters

hep-ex2008★ 42 cited

Measurement of Cross Sections for Jet Production in Events with a Boson in Collisions at TeV

CDF collaboration, T. Aaltonen

A measurement of the $\bjet$ production cross section is presented for events containing a boson produced in collisions at TeV, using data correspond…

hep-ex2008★ 55 cited

Observation of New Charmless Decays of Bottom Hadrons

CDF Collaboration, T. Aaltonen

We search for new charmless decays of neutral b-hadrons to pairs of charged hadrons with the upgraded Collider Detector at the Fermilab Tevatron. Using a data sample corresponding…

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★ 13 cited

Top Quark Mass Measurement in the tt-bar All Hadronic Channel using a Matrix Element Technique in ppbar Collisions at sqrt s = 1.96 TeV

CDF Collaboration, T. Aaltonen

We present a measurement of the top quark mass in the all-hadronic channel (\tt \bb) using 943 pb of \ppbar collisions at $\sqrt {s}…

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★ 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★ 48 cited

Search for Doubly Charged Higgs Bosons with Lepton-Flavor-Violating Decays involving Tau Leptons

CDF Collaboration

We search for pair production of doubly charged Higgs particles followed by decays into electron-tau and muon-tau pairs using data (350 inverse picobarns) collected from proton-ant…

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★ 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★ 71 cited

Search for Supersymmetry in ppbar Collisions at sqrt(s)=1.96 TeV Using the Trilepton Signature for Chargino-Neutralino Production

CDF Collaboration, T. Aaltonen

We use the three lepton and missing energy "trilepton" signature to search for chargino-neutralino production with 2.0 inverse femtobarns of integrated luminosity collected by the…

hep-ex2008★ 18 cited

First Direct Bound on the Total Width of the Top Quark in ppbar Collisions at sqrt(s) = 1.96 TeV

CDF Collaboration, T. Aaltonen

We present the first direct experimental bound on the total decay width of the top quark using 955pb^-1 of the Tevatron's ppbar collisions recorded by the Collider Detector at Ferm…

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★ 18 cited

Search for the highly suppressed decays B- -> K+ pi- pi- and B- -> K- K- pi+

The BABAR Collaboration, B. Aubert

We report a search for the decays B- -> K+ pi- pi- and B- -> K- K- pi+, which are highly suppressed in the Standard Model. Using a sample of (467 +/- 5) x 10^6 BBbar pairs collecte…

hep-ex2008★ 47 cited

Measurement of D0-D0bar mixing from a time-dependent amplitude analysis of D0 -> K+ pi- pi0 decays

The BABAR Collaboration, B Aubert

We present evidence of - mixing using a time-dependent amplitude analysis of the decay D0->K+pi-pi0 in a data sample of 384 fb^-1 collected with the BaBar detector…

hep-ex2008★ 44 cited

Study of the decay Ds+ --> K+ K- e+ nu

The BABAR Collaboration, B. Aubert

Using 214 fb-1 of data recorded by the Babar detector at the PEPII electron-positron collider, we study the decay Ds+ --> K+ K- e+ nu. Except for a small S-wave contribution, the e…

hep-ex2008★ 88 cited

Direct CP, Lepton Flavor and Isospin Asymmetries in the Decays B->K(*)l+l-

The BABAR Collaboration, B. Aubert

We measure rate asymmetries for the rare decays B->K(*)l+l-, where l+l- is either e+e- or mu+mu-, using a sample of 384 million BBbar events collected with the Babar detector at th…

hep-ex2008★ 14 cited

Searches for B meson decays to phiphi, phirho, phifzero(980), and fzero(980)fzero(980) final states

The BaBar Collaboration, B. Aubert

We present the results of searches for B decays to charmless final states involving phi, fzero(980), and charged or neutral rho mesons. The data sample corresponds to 384 million B…

hep-ex2008★ 14 cited

Measurement of Ratios of Branching Fractions and CP-Violating Asymmetries of B -> D*K Decays

The BABAR Collaboration, B. Aubert

We report a study of B -> D*K decays with D* decaying to D pi0 or D gamma, using 383 * 10**6 B Bbar pairs collected at the Upsilon(4S) resonance with the BaBar detector at the SLAC…

hep-ex2008★ 36 cited

Study of hadronic transitions between Y states and observation of Y(4S)-> eta Y(1S) decay

The BABAR Collaboration, B. Aubert

We present a study of hadronic transitions between Y(mS) (m=4,3,2) and Y(nS) (n=2,1) resonances based on 347.5\invfb of data taken with the BABAR detector at the PEP-II storage rin…

hep-ex2008★ 165 cited

Observation of the bottomonium ground state in the decay Upsilon(3S) -> gamma eta_b

The BABAR Collaboration, B. Aubert

We report the results of a search for the bottomonium ground state eta_b(1S) in the photon energy spectrum with a sample of (109 +/- 1) million of Upsilon(3S) recorded at the Upsil…