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26 papers · 2 filters
Branching Fraction Measurements of B+ -> rho+ gamma, B0 -> rho0 gamma, and B0 -> omega gamma
The BABAR Collaboration, B. Aubert
We present a study of the decays B+ -> rho+ gamma, B0 -> rho0 gamma, and B0 -> omega gamma. The analysis is based on data containing 347 million BBbar events recorded with the BaBa…
Measurement of B Decays to phi K gamma
The BABAR Collaboration, B. Aubert
We search for the decays B- -> phi K- gamma and B0bar -> phi K0bar gamma in a data sample of 228 million BBbar pairs collected at the Upsilon(4S) resonance with the BaBar detector.…
Study of Leading Hadrons in Gluon and Quark Fragmentation
The DELPHI Collaboration, J. Abdallah
The study of quark jets in e+e- reactions at LEP has demonstrated that the hadronisation process is reproduced well by the Lund string model. However, our understanding of gluon fr…
Search for Lepton Flavor Violating Decays
The BABAR Collaboration, B. Aubert
A search for lepton flavor violating decays of the lepton to a lighter mass lepton and a pseudoscalar meson has been performed using 339 fb of annihilation data…
Observation of B+ -> Phi Phi K+ and evidence for B0 -> Phi Phi K0 below Eta_C threshold
The BABAR Collaboration, B. Aubert
We report measurements of the decays B+ -> Phi Phi K+ and B0 -> hi Phi K0 using a sample of 231 million BBbar pairs collected with the BABAR detector at the PEP-II asymmetric-energ…
Measurement of the B0 -> Lambda-bar p pi Branching Fraction and Study of the Decay Dynamics
The BABAR Collaboration, B. Aubert
We present a measurement of the B0 -> Lambda-bar p pi branching fraction performed using the BaBar detector at the PEP-II asymmetric energy e+e- collider. Based on a 232 million BB…
Search for D0--anti-D0 Mixing and Branching-Ratio Measurement in the Decay D0 --> K+ pi- pi0
The BABAR Collaboration, B. Aubert
We analyze 230.4 fb-1 of data collected with the BaBar detector at the PEP-II e+ e- collider at SLAC to search for evidence of D0--anti-D0 mixing using regions of phase space in th…
Measurement of branching fractions and charge asymmetries in B decays to an eta meson and a K* meson
The BABAR Collaboration, B. Aubert
We present measurements of branching fractions and charge asymmetries for the decays etaK*, where K* indicates a spin 0, 1, or 2 Kpi system. The data sample corresponds to 344x10^6…
Improved Measurements of the Branching Fractions for B0 --> pi+pi- and B0 --> K+pi-, and a Search fro B0 --> K+K-
The BABAR Collaboration, B. Aubert
We present measurements of the branching fractions for the charmless two-body decays $\Bz\to\pip\pim$ and $\Bz\to\Kp\pim$, and a search for the decay $\Bz\to\Kp\Km$. We include the…
Measurement of the Ratio ${\cal B}\xspace(\B^+ \to X e ν)$ / ${\cal B}\xspace(\B^0 \to X e ν)
The BABAR Collaboration, B. Aubert
We report measurements of the inclusive electron momentum spectra in decays of charged and neutral B mesons, and of the ratio of semileptonic branching fractions ${\cal B}\xspace(\…
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_…
Measurements of branching fraction, polarization, and charge asymmetry of B+ --> rho+ rho0 and a search for B+ --> rho+ f0(980)
The BABAR Collaboration, B. Aubert
We measure the branching fraction, polarization and CP asymmetry of B+ -> rho+rho0 decays and search for the decay B+ -> rho+f_0(980) based on a data sample of 231.8 million Y(4S)-…
Measurement of the q2 dependence of the Hadronic Form Factor in D0 --> K- e+ nu_e decays
The BABAR Collaboration, B. Aubert
We present a preliminary measurement of the q2 dependence of the D0 --> K- e+ nu_e decay rate. This rate is proportional to the hadronic form factor squared, specified by a single…
Measurement of the Branching Fraction and Photon Energy Moments of B->X_s gamma and A_{cp}(B->X_(s+d) gamma)
The BaBar Collaboration, B. Aubert
The photon spectrum in B -> X_s gamma decay, where X_s is any strange hadronic state, is studied using a data sample of 88.5 million e+e- -> Upsilon(4S) -> BBbar decays collected b…
Masses, Lifetimes and Production Rates of Xi- and anti-Xi+ at LEP 1
The DELPHI Collaboration, J. Abdallah
Measurements of the Xi- and anti-Xi+ masses, mass differences, lifetimes and lifetime differences are presented. The anti-Xi+ sample used is much larger than those used previously…
Search for the decay B0 --> K0_S K0_S K0_L
The BABAR Collaboration, B. Aubert
We present the first search for the decay B0 --> K0_S K0_S K0_L using a data sample of 232 million B Bbar pairs. We find no statistically significant evidence for the non-resonant…
Search for B Meson Decays to eta' eta' K
The BaBar Collaboration, B. Aubert
We describe searches for decays of B mesons to the charmless final states eta' eta' K. The data consist of 228 million B Bbar pairs produced in e+ e- annihilation, collected with t…
Study of B --> D^(*)D_s(J)^(*) Decays and Measurement of D_s^- and D_sJ(2 460)^- Branching Fractions
The BABAR Collaboration, B. Aubert
We present branching fraction measurements of twelve B meson decays of the form B --> D^(*)D_s(J)^(*). The results are based on Y(4S) decays in BBbar pairs. One of the B mesons is…
Dalitz plot analysis of the decay B+- -> K+-K+-K-+
The BABAR Collaboration, B. Aubert
We analyze the three-body charmless decay B+- -> K+-K+-K-+ using a sample of 226.0 +- 2.5 million BBbar pairs collected by the BABAR detector. We measure the total branching fracti…
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…
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…
Measurement of time-dependent CP asymmetries in B0->D(*)+-pi-+ and B0->D+-rho-+ decays
The BABAR Collaboration, B. Aubert
We present updated results on time-dependent CP asymmetries in fully reconstructed B0->D(*)+-pi-+ and B0->D+-rho-+ decays in approximately 232 million Y(4S)->BBbar events collected…
Search for Neutral MSSM Higgs Bosons at LEP
ALEPH, DELPHI, L3 +1
The four LEP collaborations, ALEPH, DELPHI, L3 and OPAL, have searched for the neutral Higgs bosons which are predicted by the Minimal Supersymmetric Standard Model (MSSM). The dat…
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…