A. W. Weidemann

activity

19952014

most citedObservation of a Broad Structure in the

π^{+} π^{-} J / ψ

Mass Spectrum around 4.26 GeV/

c^{2}

744 citations · 6.2k across the 116 of their papers we have counts for

collaborators

116 papers

hep-ex2014★ 427 cited

The Physics of the B Factories

A. J. Bevan, B. Golob, Th. Mannel +2003

This work is on the Physics of the B Factories. Part A of this book contains a brief description of the SLAC and KEK B Factories as well as their detectors, BaBar and Belle, and da…

hep-ex2007

Measurement of the B+ --> rho+ pi0 Branching Fraction and Direct CP Asymmetry

The BABAR Collaboration, B. Aubert

We present improved measurements of the branching fraction and CP asymmetry for the process B+ --> rho+ pi0. The data sample corresponding to 211/fb comprises 232 million Y(4S)-->B…

hep-ex2006★ 47 cited

Measurement of the Pseudoscalar Decay Constant fDs Using Charm-Tagged Events in e+e- Collisions at \sqrt{s}=10.58GeV

The BABAR Collaboration, B. Aubert

Using 230.2 fb^(-1) of e+e- annihilation data collected with the BABAR detector at and near the peak of the Y(4S) resonance, 489 +/- 55 events containing the pure leptonic decay D_…

hep-ex2006★ 35 cited

Measurements of the Decays $B^0 \to \bar{D}^0\proton\antiproton$, $B^0 \to \bar{D}^{0}\proton\antiproton$, $B^0 \to D^{-}\proton\antiprotonπ^+$, and $B^0 \to D^{-}\proton\antiprotonπ^+$

The BABAR Collaboration, B. Aubert

We present measurements of branching fractions of $B^{0}$ decays to multi-body final states containing protons, based on 232 million $Υ (4 S) \to B B ˉ$ decays collected with the BaB…

hep-ex2006★ 77 cited

Search for T, CP and CPT Violation in B0-B0bar Mixing with Inclusive Dilepton Events

The BABAR Collaboration, B. Aubert

We report the results of a search for T, CP and CPT violation in B0-B0bar mixing using an inclusive dilepton sample collected by the BaBar experiment at the PEP-II B Factory. Using…

hep-ex2006★ 11 cited

Measurements of CP-Violating Asymmetries and Branching Fractions in B Decays to omegaK and omegapi

B. Aubert

We present measurements of CP-violating asymmetries and branching fractions for the decays omegapi+, omegaK+, and omegaK0. The data sample corresponds to 232 million BBbar pairs pr…

hep-ex2006★ 154 cited

The e+ e- --> 3(pi+pi-), 2(pi+pi-pi0) and K+K- 2(pi+pi-) Cross Sections at Center-of-Mass Energies from Production Threshold to 4.5 GeV Measured with Initial-State Radiation

The BABAR Collaboration, B. Aubert

We study the processes e+ e- --> 3(pi+pi-)gamma, 2(pi+pi-pi0)gamma and K+ K- 2(pi+pi-)gamma, with the photon radiated from the initial state. About 20,000, 33,000 and 4,000 fully r…

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★ 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★ 38 cited

A Precision Measurement of the Lambda_c Baryon Mass

B. Aubert, The BABAR Collaboration

The $Λ_{c}^{+}$ baryon mass is measured using $Λ_{c}^{+} \to Λ K_{S}^{0} K^{+}$ and $Λ_{c}^{+} \to Σ^{0} K_{S}^{0} K^{+}$ decays reconstructed in 232 fb $^{- 1}$ of data collected with the BaBar detector at the PE…

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★ 36 cited

Search for Lepton-Flavor and Lepton-Number Violation in the Decay tau->lhh

BaBar Collaboration, B. Aubert

A search for lepton-flavor and lepton-number violation in the decay of the tau lepton into one charged lepton and two charged hadrons is performed using 221.4 $fb^{- 1}$ of…

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★ 744 cited

Observation of a Broad Structure in the $π^{+} π^{-} J / ψ$ Mass Spectrum around 4.26 GeV/ $c^{2}$

The BABAR Collaboration, B. Aubert

We study initial-state radiation events, $e^{+} e^{-} \to γ_{I S R} π^{+} π^{-} J / ψ$ , with data collected with the BaBar detector. We observe an accumulation of events near 4.26 GeV/ $c^{2}$ in the…

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★ 13 cited

Measurement of the branching ratios of the Z0 into heavy quarks

SLD Collaboration, K. Abe

We measure the hadronic branching ratios of the Z0 boson into heavy quarks: Rb=Gamma(Z0->bb)/Gamma(Z0->hadrons) and Rc=Gamma(Z0->cc/Gamma(Z0->hadrons) using a multi-tag technique.…

The Physics of the B Factories

Measurement of the B+ --> rho+ pi0 Branching Fraction and Direct CP Asymmetry

Measurement of the Pseudoscalar Decay Constant fDs Using Charm-Tagged Events in e+e- Collisions at \sqrt{s}=10.58GeV

Measurements of the Decays $B^0 \to \bar{D}^0\proton\antiproton$, $B^0 \to \bar{D}^{*0}\proton\antiproton$, $B^0 \to D^{-}\proton\antiprotonπ^+$, and $B^0 \to D^{*-}\proton\antiprotonπ^+$

Search for T, CP and CPT Violation in B0-B0bar Mixing with Inclusive Dilepton Events

Measurements of CP-Violating Asymmetries and Branching Fractions in B Decays to omegaK and omegapi

The e+ e- --> 3(pi+pi-), 2(pi+pi-pi0) and K+K- 2(pi+pi-) Cross Sections at Center-of-Mass Energies from Production Threshold to 4.5 GeV Measured with Initial-State Radiation

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 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+

A Precision Measurement of the Lambda_c Baryon Mass

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 Lepton-Flavor and Lepton-Number Violation in the Decay tau->lhh

Search for the Decay tau to seven pion (pizero)

Observation of a Broad Structure in the π+π−J/ψ Mass Spectrum around 4.26 GeV/c2

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 the branching ratios of the Z0 into heavy quarks

Measurements of the Decays $B^0 \to \bar{D}^0\proton\antiproton$, $B^0 \to \bar{D}^{0}\proton\antiproton$, $B^0 \to D^{-}\proton\antiprotonπ^+$, and $B^0 \to D^{-}\proton\antiprotonπ^+$

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

Observation of a Broad Structure in the $π^{+} π^{-} J / ψ$ Mass Spectrum around 4.26 GeV/ $c^{2}$