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Evidence for the baryonic decay B0bar --> D0 Lambda Lambdabar
The BABAR Collaboration, J. P. Lees, others
Evidence is presented for the baryonic meson decay based on a data sample of pairs collected with the {\it BABAR} d…
Search for the decay
The BABAR Collaboration
We report a search for the decay . Using a data sample of pairs collect…
Measurement of Collins asymmetries in inclusive production of charged pion pairs in e^+e^- annihilation at BABAR
The BABAR Collaboration
We present measurements of Collins asymmetries in the inclusive process e+e- -->pi pi X, where pi stands for charged pions, at a center-of-mass energy of 10.6 GeV. We use a data sa…
Measurement of the B+ --> omega l+ nu branching fraction with semileptonically tagged B mesons
The BABAR Collaboration, J. P. Lees, others
We report a measurement of the branching fraction of the exclusive charmless semileptonic decay B+ --> omega l+ nu, where l is either an electron or a muon. We use samples of B+ me…
Measurement of the e+e- --> p anti-p cross section in the energy range from 3.0 to 6.5 GeV
The BABAR Collaboration, J. P. Lees, others
The e+ e- --> p anti-p cross section and the proton magnetic form factor have been measured in the center-of-mass energy range from 3.0 to 6.5 GeV using the initial-state-radiation…
Measurement of the Mass of the D0 Meson
The BABAR Collaboration
We report a measurement of the D0 meson mass using the decay chain D*(2010)+ -> D0 pi+ with D0 -> K- K- K+ pi+. The data were recorded with the BaBar detector at center-of-mass ene…
Search for a light Higgs boson decaying to two gluons or ss-bar in the radiative decays of Y(1S)
The BABAR Collaboration, J. P. Lees, others
We search for the decay Y(1S) -> gamma A0, A0 -> gg or ss-bar, where A0 is the pseudoscalar light Higgs boson predicted by the next-to-minimal supersymmetric standard model. We use…
Precision Measurement of the e+e- --> K+K-(gamma) Cross Section with the Initial-State Radiation Method at BaBar
The BaBar Collaboration, J. P. Lees, others
A precise measurement of the cross section for the process e+e- --> K+K-(gamma) from threshold to an energy of 5 GeV is obtained with the initial-state radiation (ISR) method using…
Production of charged pions, kaons and protons in e+e- annihilations into hadrons at sqrt{s} = 10.54 GeV
The BABAR Collaboration, J. P. Lees, others
Inclusive production cross sections of , and per hadronic annihilation event in are measured at a center-of-mass energy of 10.54 GeV, us…
Search for CP Violation in B0B0bar Mixing using Partial Reconstruction of B0-->D*-Xl+ nu and a Kaon Tag
J. P. Lees, others. The BABAR Collaboration
We present results of a search for CP violation in B0B0bar mixing with the BABAR detector. We select a sample of B0-->D*-Xl+ nu decays with a partial reconstruction method and use…
Measurement of the D*(2010)+ meson width and the D*(2010)+ - D0 mass difference
The BaBar Collaboration
We measure the mass difference, Δm_0, between the D*(2010)+ and the D0 and the natural line width, Γ, of the transition D*(2010)+ -> D0 pi+. The data were recorded with the BABAR d…
Measurement of the D*(2010)+ natural line width and the D*(2010)+ - D0 mass difference
The BaBar Collaboration
We measure the mass difference, Δm_0, between the D*(2010)+ and the D0 and the natural line width, Γ, of the transition D*(2010)+ -> D0 pi+. The data were recorded with the BABAR d…
Study of the decay and its intermediate states
The Babar Collaboration, J. P. Lees, V. Poireau +351
We study the decay , reconstructing the Λ_{c}^{+} baryon in the mode, using a data sample of $B\…
A Search for the Rare Decays B --> pi l+l- and B0 --> eta l+l-
The BABAR Collaboration, J. P. Lees, others
We present the results of a search for the rare flavor-changing neutral-current decays B --> pi l+l- (pi=pi+/-, pi0 and l = e,mu) and B0 --> eta l+l- using a sample of e+e- --> Y(4…
Measurement of an Excess of B -> D(*) Tau Nu Decays and Implications for Charged Higgs Bosons
The BABAR Collaboration, J. P. Lees, others
Based on the full BaBar data sample, we report improved measurements of the ratios R(D(*)) = B(B -> D(*) Tau Nu)/B(B -> D(*) l Nu), where l is either e or mu. These ratios are sens…
Search for B --> K(*) nu nubar and invisible quarkonium decays
The BABAR Collaboration
We search for the flavor-changing neutral-current decays B->K(*)nu nubar, and the invisible decays J/psi->nu nubar and psi(2S)->nu nubar via B->K(*)J/psi and B->K(*)psi(2S) respect…
Study of e+e- --> p anti-p via initial-state radiation at BABAR
The BABAR Collaboration
The process e+e- --> p anti-p gamma is studied using 469 fb-1 of integrated luminosity collected with the BABAR detector at the PEP-II collider, at an e+e- center-of-mass energy of…
Search for a Low-Mass Scalar Higgs Boson Decaying to a Tau Pair in Single-Photon Decays of Upsilon(1S)
J. P. Lees, others
We search for a low-mass scalar CP-odd Higgs boson, A0, produced in the radiative decay of the Upsilon resonance and decaying into a tau+tau- pair: Upsilon(1S)->gamma A0. The produ…
The branching fraction of tau --> pi- K0S K0S (pi0) nu decays
J. P. Lees
We present a study of tau- --> pi- K0S K0S (pi0) nu and tau- --> K- K0S K0S (pi0) nu decays using a dataset of 430 million tau lepton pairs, corresponding to an integrated luminosi…
Precision Measurement of the B to X_s γPhoton Energy Spectrum, Branching Fraction, and Direct CP Asymmetry A_{CP}(B to X_{s+d}γ
The BaBar Collaboration
The photon spectrum in the inclusive electromagnetic radiative decays of the meson, plus , is studied using a data sample of $(382.8 \pm 4.2) \ti…
Search for resonances decaying to eta_c pi+ pi- in two-photon interactions
The BABAR Collaboration, J. P. Lees, others
We report a study of the process gamma gamma -> X -> eta_c pi+ pi-, where X stands for one of the resonances chi_{c2}(1P), eta_c(2S), X(3872), X(3915), or chi_{c2}(2P). The analysi…
Evidence for an excess of B -> D(*) Tau Nu decays
The BaBar Collaboration
Based on the full BaBar data sample, we report improved measurements of the ratios R(D(*)) = B(B -> D(*) Tau Nu)/B(B -> D(*) l Nu), where l is either e or mu. These ratios are sens…
Study of the reaction e^{+}e^{-} -->J/psiπ^{+}π^{-} via initial-state radiation at BaBar
The BABAR Collaboration
We study the process with initial-state-radiation events produced at the PEP-II asymmetric-energy collider. The data were recorded with the BaBar detector…
Measurement of Branching Fractions and Rate Asymmetries in the Rare Decays B -> K(*) l+ l-
The BABAR Collaboration
In a sample of 471 million BB events collected with the BABAR detector at the PEP-II e+e- collider we study the rare decays B -> K(*) l+ l-, where l+ l- is either e+e- or mu+mu-. W…