857 citations · 8k across the 117 of their papers we have counts for
114 papers · 1 filter
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\…
Search for direct CP-violation in singly-Cabibbo suppressed D+- --> K+ K- pi+- decays
BaBar Collaboration, J. P. Lees, V. Poireau +359
We report on a search for direct CP asymmetry in the singly Cabibbo-suppressed decay D+- --> K+ K- pi+- using a data sample of 476 fb-1 accumulated with the BaBar detector running…
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…
Observation of Time Reversal Violation in the B0 Meson System
The BABAR Collaboration, J. P. Lees, V. Poireau +364
Although CP violation in the B meson system has been well established by the B factories, there has been no direct observation of time reversal violation. The decays of entangled n…
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…
Study of Bbar --> Xu l nubar decays in BBbar events tagged by a fully reconstructed B-meson decay and determination of |V_{ub}|
The BABAR Collaboration
We report measurements of partial branching fractions for inclusive charmless semileptonic B decays Bbar --> Xu l nubar, and the determination of the CKM matrix element |V_{ub}|. T…
A Measurement of the Semileptonic Branching Fraction of the B_s Meson
The BaBar Collaboration, J. P. Lees, V. Poireau +383
We report a measurement of the inclusive semileptonic branching fraction of the B_s meson using data collected with the BaBar detector in the center-of-mass (CM) energy region abov…
Search for hadronic decays of a light Higgs boson in the radiative decay Upsilon --> gamma A0
The BABAR Collaboration, J. P. Lees, V. Poireau +385
We search for hadronic decays of a light Higgs boson (A0) produced in radiative decays of an Upsilon(2S) or Upsilon(3S) meson, Upsilon --> gamma A0. The data have been recorded by…
Searches for Rare or Forbidden Semileptonic Charm Decays
The BABAR Collaboration, J. P. Lees
We present searches for rare or forbidden charm decays of the form , where is a charm hadron (, , or ), i…
Study of di-pion bottomonium transitions and search for the h_b(1P) state
The BABAR Collaboration
We study inclusive di-pion decays using a sample of 108 x 10^6 Upsilon(3S) events recorded with the BABAR detector. We search for the decay mode Upsilon(3S) --> pi+ pi- h_b(1P) and…
Study of radiative bottomonium transitions using converted photons
The BABAR Collaboration, J. P. Lees, V. Poireau +388
We use 111+/-1 million Upsilon(3S) and 89+/-1 million Upsilon(2S) events recorded by the BaBar detector at the PEP-II B-factory at SLAC to perform a study of radiative transitions…
Evidence for the h_b(1P) meson in the decay Upsilon(3S) --> pi0 h_b(1P)
The BABAR Collaboration, J. P. Lees, V. Poireau +406
Using a sample of 122 million Upsilon(3S) events recorded with the BaBar detector at the PEP-II asymmetric-energy e+e- collider at SLAC, we search for the spin-singlet pa…
Measurements of branching fractions, polarizations, and direct CP-violation asymmetries in B+ -> rho0 K*+ and B+ -> f0(980)K*+ decays
P. del Amo Sanchez
We present measurements of the branching fractions, longitudinal polarization, and direct CP-violation asymmetries for the decays B+ -> rho0 K*+ and B+ -> f0(980) K*+ with a sample…
Search for the Rare Decay B->K nu nubar
The BABAR Collaboration, P. del Amo Sanchez
We present a search for the rare decays B+ -> K+ nu nubar and B0 -> K0 nu nubar using 459 million BBbar pairs collected with the BaBar detector at the SLAC National Accelerator Lab…
Evidence for B+ --> tau+ nu_tau decays using hadronic B tags
The BABAR Collaboration, P. del Amo Sanchez
We present a search for the decay B+ --> tau+ nu_tau using 467.8 x 10^6 B B-bar pairs collected at the Upsilon(4S) resonance with the BABAR detector at the SLAC PEP-II B-Factory. W…
Search for Production of Invisible Final States in Single-Photon Decays of Upsilon(1S)
P. del Amo Sanchez
We search for single-photon decays of the Upsilon(1S) resonance, Upsilon->gamma+invisible, where the invisible state is either a particle of definite mass, such as a light Higgs bo…
Search for f_J(2220) in radiative J/psi decays
The BABAR Collaboration, P. del Amo Sanchez
We present a search for f_J(2220) production in radiative J/psi -> gamma f_J(2220) decays using 460 fb-1 of data collected with the BABAR detector at the SLAC PEP-II e+e- collider.…
Search for b-->u transitions in B- --> DK- and B- --> D*K- Decays
The BABAR Collaboration, P. del Amo Sanchez et al.
We report results from an updated study of the suppressed decays B- to D K- and B- to D* K- followed by D to K+pi-, where D(*) indicates a D(*)0 or an anti-D(*)0 meson, and D* deca…
Correlated leading baryon-antibaryon production in e+e- --> ccbar --> Lambda_c+ antiLambda_c- X
The BABAR Collaboration, B. Aubert
We present a study of 649 \pm 35 e+e- --> ccbar events produced at sqrt{s}~10.6 GeV containing both a Lambda_c baryon and a Lambda_c antibaryon. The number observed is roughly four…