C. Hast

activity

20002026

most citedEvidence for an excess of B -> D(*) Tau Nu decays

857 citations · 13.9k across the 254 of their papers we have counts for

collaborators

Showing 2006Show all

29 papers · 1 filter

hep-ex2006★ 11 cited

Evidence for B0->rho0rho0 Decay and Implications for the CKM Angle alpha

The BABAR Collaboration, B. Aubert

We search for the decays B0->rho0rho0, B0->rho0f0, and B0->f0f0 in a sample of about 384 million Upsilon(4S)->BBbar decays collected with the BABAR detector at the PEP-II asymmetri…

hep-ex2006★ 13 cited

Observation of the Exclusive Reaction e+e- -> phi eta at sqrt{s}=10.58 GeV

The BABAR Collaboration, B. Aubert

We report the observation of $\e^+e^-\to ϕη$ near $s$ = 10.58 GeV with 6.5 $σ$ significance in the $K^{+} K^{-} γ γ$ final state in a data sample of 224 $f b^{- 1}$ collected by the…

hep-ex2006★ 6 cited

Evidence for the Rare Decay B+ --> Ds+ pi0

The BABAR Collaboration, B. Aubert

We have searched for the rare decay B+ --> Ds+ pi0. The analysis is based on a sample of 232 million Upsilon(4S) --> B anti-B decays collected with the BABAR detector at the PEP-II…

hep-ex2006★ 148 cited

A Structure at 2175 MeV in $e^{+} e^{-} \to ϕ f_{0} (980)$ Observed via Initial-State Radiation

The BABAR Collaboration, B. Aubert

We study the initial-state-radiation processes $e^{+} e^{-} \to K^{+} K^{-} π^{+} π^{-} γ$ and $e^{+} e^{-} \to K^{+} K^{-} π^{0} π^{0} γ$ using an integrated luminosity of 232 fb $^{- 1}$ collected at the $Υ(4S)…

hep-ex2006★ 44 cited

Vector-Tensor and Vector-Vector Decay Amplitude Analysis of B0->phi K*0

The BABAR Collaboration, B. Aubert

We perform an amplitude analysis of the decays B0->phi K^*_2(1430)0, phi K^*(892)0, and phi(K pi)^0_S-wave with a sample of about 384 million BBbar pairs recorded with the BABAR de…

hep-ex2006★ 289 cited

Evidence of a Broad Structure at an Invariant Mass of 4.32 GeV/ $c^{2}$ in the Reaction $e^{+} e^{-} \to π^{+} π^{-} ψ (2 S)$ Measured at BaBar

The BABAR Collaboration, B. Aubert

We present a measurement of the cross section of the process $e^{+} e^{-} \to π^{+} p i^{-} ψ (2 S)$ from threshold up to 8 GeV center-of-mass energy using events containing initial-state radiatio…

hep-ex2006★ 17 cited

Branching fraction measurement of B0 --> D()- pi+, B- --> D()0 pi- and isospin analysis of B --> D(*) pi decays

The BABAR Collaboration, B. Aubert

Using 65 million $Υ (4 S) \to B B ˉ$ events collected with the BABAR detector at the PEP-II $e^{+} e^{-}$ storage ring at the Stanford Linear Accelerator Center, we measure the colo…

hep-ex2006★ 65 cited

Observation of CP violation in B^0 -> eta' K^0 Decays

The BABAR Collaboration, B. Aubert

We present measurements of the time-dependent CP-violation parameters S and C in B^0 --> eta' K^0 decays. The data sample corresponds to 384 million B Bar pairs produced by e^+ e^-…

hep-ex2006★ 25 cited

Inclusive Lambda_c Production in e^+e^- Annihilations at sqrt{s}=10.54 GeV and in Upsilon(4S) Decays

The BABAR Collaboration, B. Aubert

We present measurements of the total production rates and momentum distributions of the charmed baryon $Λ_{c}^{+}$ in $e^{+} e^{-} \to$ hadrons at a center-of-mass energy of 10.54 GeV and i…

hep-ex2006★ 6 cited

Measurement of the CP Asymmetry and Branching Fraction of B^0 to rho^0 K^0

The BABAR Collaboration, B. Aubert

We present a measurement of the branching fraction and time-dependent CP asymmetry of B^0 to rho^0 K^0. The results are obtained from a data sample of 227 10^6 Y4S to BB_ decays co…

hep-ex2006★ 117 cited

Observation of an Excited Charm Baryon OmegaC* Decaying to OmegaC0 Gamma

The BABAR Collaboration, B. Aubert

We report the first observation of an excited singly-charm baryon OmegaC* (css) in the radiative decay OmegaC0 Gamma, where the OmegaC0 baryon is reconstructed in the decays to the…

hep-ex2006★ 64 cited

Observation of B+ --> K0bar K+ and B0 --> K0 K0bar

The BABAR Collaboration, B. Aubert

We report observations of the b --> d penguin-dominated decays B+ --> K0bar K+ and B0 --> K0 K0bar in approximately 350 million Upsilon(4S) --> BBbar decays collected with the BaBa…

hep-ex2006★ 114 cited

Study of the Exclusive Initial-State Radiation Production of the $D D ˉ$ System

The BABAR Collaboration, B. Aubert

A study of exclusive production of the $D D ˉ$ system through initial-state r adiation is performed in a search for charmonium states, where $D = D^{0}$ or $D^{+}$ . The $D^{0}$ mesons a…

hep-ex2006★ 15 cited

Searches for B0 decays to eta K0, eta eta, eta' eta', eta phi, and eta' phi

The BaBar Collaboration, B. Aubert

We search for B0 meson decays into two-body combinations of K0, eta, eta', and phi mesons in 324 million B Bbar pairs collected with the BaBar detector at the PEP-II asymmetric-ene…

hep-ex2006★ 50 cited

Measurements of branching fractions, polarizations, and direct CP-violation asymmetries in B --> rho K* and B --> f0(980) K* decays

The BABAR Collaboration, B. Aubert

We report searches for B-meson decays to the charmless final states rho K* and f0(980) K* with a sample of 232 million BBbar pairs collected with the BABAR detector at the PEP-II a…

hep-ex2006★ 132 cited

Search for B+ --> X(3872) K+, X(3872) --> J/psi gamma

The BABAR Collaboration, B. Aubert

In a study of B+ --> J/psi gamma K+ decays, we find evidence for the radiative decay X(3872) --> J/psi gamma with a statistical significance of 3.4 sigma. We measure the product of…

hep-ex2006★ 16 cited

Branching Fraction Measurements of Charged B Decays to K+K+K-, K+pi+K-, K+K+pi- and K+pi+pi- Final States

The BABAR Collaboration, B. Aubert

Branching fraction and asymmetry measurements of charmless $B^{+} \to K^{*+} h_{1}^{+} h_{2}^{-}$ (where $h_{1, 2}$ = $K$ , $π$ ) decays are presented, using a data sample of 232 million $Υ(4S) \t…

hep-ex2006★ 38 cited

Measurement of the B -> pi l nu Branching Fraction and Determination of |Vub| with Tagged B Mesons

The BABAR Collaboration, B. Aubert

We report a measurement of the B -> pi l nu branching fraction based on 211 fb-1 of data collected with the BABAR detector. We use samples of B0 and B+ mesons tagged by a second B…

hep-ex2006★ 144 cited

Observation of a New D_s Meson Decaying to D K at a Mass of 2.86 GeV/c^2

The BABAR Collaboration, B. Aubert

We observe a new D_s meson with mass (2856.6 +/- 1.5_{stat.} +/- 5.0_{syst.}) MeV/c^2 and width (48 +/- 7_{stat.} +/- 10_{syst.}) MeV decaying into D^0 K^+ and D^+K^0_S. In the sam…

hep-ex2006★ 12 cited

Observation of $e^{+} e^{-}$ Annihilations into the $\boldmath{C=+1}$ Hadronic Final States $ρ^{0} ρ^{0}$ and $ϕ ρ^{0}$

The BABAR Collaboration, B. Aubert

We report the first observation of $e^{+} e^{-}$ annihilations into states of positive $C$ -parity, namely $ρ^{0} ρ^{0}$ and $ϕ ρ^{0}$ . The two states are observed in the $\pip\pim\pip\pim$ and…

hep-ex2006★ 10 cited

Search for the decay of a B0 or B0bar meson to K0bar K0 or K0 K0bar

The BABAR Collaboration, B. Aubert

We present a search for the decay of a B0 or B0bar meson to a K*0bar K0 or K*0 K0bar final state, using a sample of approximately 232 million BBbar events collected with the BABAR…

hep-ex2006★ 37 cited

Measurement of the Spin of the Omega^- Hyperon at BABAR

The BABAR Collaboration, B. Aubert

A measurement of the spin of the Omega^- hyperon produced through the exclusive process Xi_c^0 --> Omega^- K^+ is presented using a total integrated luminosity of 116 fb^-1 recorde…

hep-ex2006★ 174 cited

Search for Doubly Charmed Baryons Xi_cc^+ and Xi_cc^++ in BABAR

The BABAR Collaboration, B. Aubert

We search for the production of doubly charmed baryons in e^+e^- annihilations at or near a center-of-mass energy of 10.58 GeV, in a data sample with an integrated luminosity of 23…

hep-ex2006★ 12 cited

Measurement of the D+ --> pi+ pi0 and D+ --> K+ pi0 Branching Fractions

The BABAR Collaboration, B. Aubert

We present measurements of the branching fractions for the Cabbibo suppressed decays D+ --> pi+ pi0 and D+ --> K+ pi0 based on a data sample corresponding to an integrated luminosi…

Evidence for B0->rho0rho0 Decay and Implications for the CKM Angle alpha

Observation of the Exclusive Reaction e+e- -> phi eta at sqrt{s}=10.58 GeV

Evidence for the Rare Decay B+ --> Ds+ pi0

A Structure at 2175 MeV in e+e−→ϕf0​(980) Observed via Initial-State Radiation

Vector-Tensor and Vector-Vector Decay Amplitude Analysis of B0->phi K*0

Evidence of a Broad Structure at an Invariant Mass of 4.32 GeV/c2 in the Reaction e+e−→π+π−ψ(2S) Measured at BaBar

Branching fraction measurement of B0 --> D(*)- pi+, B- --> D(*)0 pi- and isospin analysis of B --> D(*) pi decays

Observation of CP violation in B^0 -> eta' K^0 Decays

Inclusive Lambda_c Production in e^+e^- Annihilations at sqrt{s}=10.54 GeV and in Upsilon(4S) Decays

Measurement of the CP Asymmetry and Branching Fraction of B^0 to rho^0 K^0

Observation of an Excited Charm Baryon OmegaC* Decaying to OmegaC0 Gamma

Observation of B+ --> K0bar K+ and B0 --> K0 K0bar

Study of the Exclusive Initial-State Radiation Production of the DDˉ System

Searches for B0 decays to eta K0, eta eta, eta' eta', eta phi, and eta' phi

Measurements of branching fractions, polarizations, and direct CP-violation asymmetries in B --> rho K* and B --> f0(980) K* decays

Search for B+ --> X(3872) K+, X(3872) --> J/psi gamma

Branching Fraction Measurements of Charged B Decays to K*+K+K-, K*+pi+K-, K*+K+pi- and K*+pi+pi- Final States

Measurement of the B -> pi l nu Branching Fraction and Determination of |Vub| with Tagged B Mesons

Observation of a New D_s Meson Decaying to D K at a Mass of 2.86 GeV/c^2

Observation of e+e− Annihilations into the $\boldmath{C=+1}$ Hadronic Final States ρ0ρ0 and ϕρ0

Search for the decay of a B0 or B0bar meson to K*0bar K0 or K*0 K0bar

Measurement of the Spin of the Omega^- Hyperon at BABAR

Search for Doubly Charmed Baryons Xi_cc^+ and Xi_cc^++ in BABAR

Measurement of the D+ --> pi+ pi0 and D+ --> K+ pi0 Branching Fractions

A Structure at 2175 MeV in $e^{+} e^{-} \to ϕ f_{0} (980)$ Observed via Initial-State Radiation

Evidence of a Broad Structure at an Invariant Mass of 4.32 GeV/ $c^{2}$ in the Reaction $e^{+} e^{-} \to π^{+} π^{-} ψ (2 S)$ Measured at BaBar

Branching fraction measurement of B0 --> D()- pi+, B- --> D()0 pi- and isospin analysis of B --> D(*) pi decays

Study of the Exclusive Initial-State Radiation Production of the $D D ˉ$ System

Branching Fraction Measurements of Charged B Decays to K+K+K-, K+pi+K-, K+K+pi- and K+pi+pi- Final States

Observation of $e^{+} e^{-}$ Annihilations into the $\boldmath{C=+1}$ Hadronic Final States $ρ^{0} ρ^{0}$ and $ϕ ρ^{0}$

Search for the decay of a B0 or B0bar meson to K0bar K0 or K0 K0bar