Aiguo Chen

activity

20032007

most citedStudy of the B- --> J/psi K- pi+ pi- Decay and Measurement of the B- --> X(3872) K- Branching Fraction

474 citations · 2.7k across the 70 of their papers we have counts for

collaborators

Showing 2005Show all

22 papers · 1 filter

hep-ex2005★ 13 cited

Measurements of the branching fractions and CP-asymmetries of B- --> D0_(CP) K- decays

The BABAR Collaboration, B. Aubert

We present a study of the decay B- --> D0_(CP) K- and its charge conjugate, where D0_(CP) is reconstructed in CP-even, CP-odd, and non-CP flavor eigenstates, based on a sample of 2…

hep-ex2005★ 7 cited

Search for the Rare Decays B0 -> Ds(*)+ a0(2)-

The BABAR Collaboration, B. Aubert et al

We have searched for the decays $B^{0} \to D_{s}^{+} a_{0}^{-}$ , $B^{0} \to D_{s}^{*+} a_{0}^{-}$ , $B^{0} \to D_{s}^{+} a_{2}^{-}$ and $B^{0} \to D_{s}^{*+} a_{2}^{-}$ in a sample of a…

hep-ex2005★ 120 cited

Search for Lepton Flavor Violation in the Decay tau -> electron gamma

B. Aubert, BABAR Collaboration

A search for the non-conservation of lepton flavor in the decay tau -> electron gamma has been performed with 2.07 x 10^8 e+e- -> tau+ tau- events collected by the BABAR detector a…

hep-ex2005★ 9 cited

A Study of b --> c and b -->u Interference in the Decay B- --> [K+ pi-]_D K*-

B. Aubert, BABAR Collaboration

Using a sample of 232 x 10^6 Upsilon(4S)--> B B-bar events collected with the BABAR detector at the PEP-II B-factory we study the decay B- --> [K+ pi-]_D K*- where the K+ pi- is ei…

hep-ex2005★ 39 cited

Measurement of the Running of the Electromagnetic Coupling at Large Momentum-Transfer at LEP

L3 Collaboration

The evolution of the electromagnetic coupling, alpha, in the momentum-transfer range 1800GeV^2 < -Q^2 < 21600GeV^2 is studied with about 40000 Bhabha-scattering events collected wi…

hep-ex2005★ 26 cited

Measurement of the time-dependent CP-violating asymmetry in $B^{0} \to K_{s}^{0} π^{0} γ$ decays

The BABAR Collaboration, B. Aubert

We present a measurement of the time-dependent CP-violating asymmetry in $B^{0} \to K_{0}^{*} γ$ decays with $K_{0}^{*} \to K_{s}^{0} π^{0}$ based on 232 million $Υ (4 S) \to B B ˉ$ de…

hep-ex2005★ 9 cited

Evidence for B+ -> K0barK+ and B0 -> K0K0bar, and Measurement of the Branching Fraction and Search for Direct CP Violation in B+ -> K0pi+

BaBar Collaboration, B. Aubert

We present evidence for the b -> d penguin-dominated decays B+ -> K0barK+ and B0 -> K0K0bar with significances of 3.5 and 4.5 standard deviations, respectively. The results are bas…

hep-ex2005★ 127 cited

Dalitz-plot analysis of the decays B+/- --> K+/- pi-/+ pi+/-

B. Aubert, BABAR Collaboration

We report a Dalitz-plot analysis of the charmless hadronic decays of charged B mesons to the final state K+/- pi-/+ pi+/-. Using a sample of 226.0 +/- 2.5 million BBbar pairs colle…

hep-ex2005★ 40 cited

Study of B --> pi l nu and B --> rho l nu decays and determination of |Vub|

The BABAR Collaboration, B. Aubert

We present an analysis of exclusive charmless semileptonic B-meson decays based on 83 million BBbar pairs recorded with the BABAR detector at the Upsilon(4S) resonance. Using isosp…

hep-ex2005★ 13 cited

Measurement of CP Observables for the Decays B+/- --> D0_CP K*+/-

B. Aubert, BABAR Collaboration

Using a sample of 232 million Upsilon(4S) --> B Bbar events collected with the BABAR detector at the PEP-II B Factory in 1999-2004, we study B- --> D0 K*(892)- decays where K*- -->…

hep-ex2005★ 10 cited

Search for the Decay tau to seven pion (pizero)

B. Aubert, BABAR Collaboration

A search for the decay of the tau lepton to seven charged pions and one or zero pizero mesons was performed using the BaBar detector at the PEP-II asymmetric-energy e+e- collider.…

hep-ex2005★ 3 cited

Search for the rare decay B0bar --> D*0 gamma

B. Aubert, BABAR Collaboration

We report on a search for the rare decay B0bar --> D*0 gamma, which in the standard model is dominated by W-exchange. The analysis is based on a data sample comprising 87.8 x 10^6…

hep-ex2005★ 31 cited

Determination of |Vub| from Measurements of the Electron and Neutrino Momenta in Inclusive Semileptonic B Decays

B. Aubert, BABAR Collaboration

We present a determination of the CKM matrix element |Vub| based on the analysis of semileptonic B decays from a sample of 88 million Upsilon(4S) decays collected with the BABAR de…

hep-ex2005★ 5 cited

Measurement of the branching fraction and decay rate asymmetry of B- --> D_{pi+pi-pi0}K-

The BABAR Collaboration, B. Aubert

We report the observation of the decay $B^{-} \to D_{π^{+} π^{-} π^{0}} K^{-}$ , where $D_{π^{+} π^{-} π^{0}}$ indicates a neutral $D$ meson detected in the final state $π^{+} π^{-} π^{0}$ , excluding $K_{S} π^{0}$ …

hep-ex2005★ 39 cited

Measurement of Time-Dependent CP-Violating Asymmetries and Constraints on sin(2 beta+gamma) with Partial Reconstruction of B->D*-+pi+- Decays

The BABAR Collaboration, B. Aubert

We present a measurement of the time-dependent CP-violating asymmetries in decays of neutral B mesons to the final states D*-+ pi+-, using approximately 232 million BBbar events re…

hep-ex2005★ 22 cited

Measurement of the Branching Fraction and the CP-Violating Asymmetry for the Decay B0 --> K0S Pi0

The BABAR Collaboration, B. Aubert

We measure the branching fraction and the CP-violating asymmetry of $B^{0} \to K_{s}^{0} π^{0}$ decays with 227 million $Υ (4 S) \to B B ˉ$ events collected with the BaBar detector a…

hep-ex2005★ 29 cited

Measurement of the $B^{0} \to D^{-} D_{s}^{+}$ and $D_{s}^{+} \to ϕ π^{+}$ Branching Fractions

B. Aubert

We present measurements of the branching fractions $\BR(B^0\to D^{\ast-} D_s^{\ast+})$ and $\BR(D_s^+\toϕπ^+)$, based on $123 \times 1 0^{6}$ Y(4S)->BBbar decays collected by the BaBar…

hep-ex2005★ 135 cited

The $\epem\toπ^+π^-π^+π^-$, $K^{+} K^{-} π^{+} π^{-}$ , and $K^{+} K^{-} K^{+} K^{-}$ Cross Sections at Center-of-Mass Energies 0.5--4.5 \gev Measured with Initial-State Radiation

B. Aubert, BABAR Collaboration

We study the process $e^{+} e^{-} \to π^{+} π^{-} π^{+} π^{-} γ$ , with a hard photon radiated from the initial state. About 60,000 fully reconstructed events have been selected from 89 $f b^{- 1}$ of B…

hep-ex2005★ 46 cited

Measurements of Branching Fractions and Time-Dependent CP-Violating Asymmetries in B to eta' K Decays

the BaBar Collaboration, B. Aubert

We present measurements of the B -> eta' K branching fractions;for B+ -> eta' K+ we measure also the time-integrated charge asymmetry Ach, and for B0 -> eta' K0S the time dependent…

hep-ex2005★ 41 cited

Measurement of CP Asymmetries in B0 --> Phi K0 and B0 --> K+K-K0S Decays

The BABAR Collaboration, B. Aubert

We measure the time-dependent CP asymmetry parameters in B0 --> K+ K- K0 based on a data sample of approximately 227 million B-meson pairs recorded at the Upsilon(4S) resonance wit…

hep-ex2005★ 20 cited

A search for CP violation and a measurement of the relative branching fraction in D+ -> KKpi decays

B. Aubert

We report on a search for the CP asymmetry in the singly Cabibbo-suppressed decays D+ -> KKpi and in the resonant decays D+ -> phipi and D+ -> KstarK based on a data sample of 79.9…

hep-ex2005★ 7 cited

Search for the Radiative Decay B --> phi gamma

B. Aubert

We perform a search for the exclusive radiative decay B0 --> phi gamma, which is dominated by b d annihilation, in a sample of 124 million BB events collected with the BABAR detect…

Measurements of the branching fractions and CP-asymmetries of B- --> D0_(CP) K- decays

Search for the Rare Decays B0 -> Ds(*)+ a0(2)-

Search for Lepton Flavor Violation in the Decay tau -> electron gamma

A Study of b --> c and b -->u Interference in the Decay B- --> [K+ pi-]_D K*-

Measurement of the Running of the Electromagnetic Coupling at Large Momentum-Transfer at LEP

Measurement of the time-dependent CP-violating asymmetry in B0→Ks0​π0γ decays

Evidence for B+ -> K0barK+ and B0 -> K0K0bar, and Measurement of the Branching Fraction and Search for Direct CP Violation in B+ -> K0pi+

Dalitz-plot analysis of the decays B+/- --> K+/- pi-/+ pi+/-

Study of B --> pi l nu and B --> rho l nu decays and determination of |Vub|

Measurement of CP Observables for the Decays B+/- --> D0_CP K*+/-

Search for the Decay tau to seven pion (pizero)

Search for the rare decay B0bar --> D*0 gamma

Determination of |Vub| from Measurements of the Electron and Neutrino Momenta in Inclusive Semileptonic B Decays

Measurement of the branching fraction and decay rate asymmetry of B- --> D_{pi+pi-pi0}K-

Measurement of Time-Dependent CP-Violating Asymmetries and Constraints on sin(2 beta+gamma) with Partial Reconstruction of B->D*-+pi+- Decays

Measurement of the Branching Fraction and the CP-Violating Asymmetry for the Decay B0 --> K0S Pi0

Measurement of the B0→D∗−Ds∗+​ and Ds+​→ϕπ+ Branching Fractions

The $\epem\toπ^+π^-π^+π^-$, K+K−π+π−, and K+K−K+K− Cross Sections at Center-of-Mass Energies 0.5--4.5 \gev Measured with Initial-State Radiation

Measurements of Branching Fractions and Time-Dependent CP-Violating Asymmetries in B to eta' K Decays

Measurement of CP Asymmetries in B0 --> Phi K0 and B0 --> K+K-K0S Decays

A search for CP violation and a measurement of the relative branching fraction in D+ -> KKpi decays

Search for the Radiative Decay B --> phi gamma

Measurement of the time-dependent CP-violating asymmetry in $B^{0} \to K_{s}^{0} π^{0} γ$ decays

Measurement of the $B^{0} \to D^{-} D_{s}^{+}$ and $D_{s}^{+} \to ϕ π^{+}$ Branching Fractions

The $\epem\toπ^+π^-π^+π^-$, $K^{+} K^{-} π^{+} π^{-}$ , and $K^{+} K^{-} K^{+} K^{-}$ Cross Sections at Center-of-Mass Energies 0.5--4.5 \gev Measured with Initial-State Radiation