Cavity BPM System Tests for the ILC Spectrometer (2007)
Slater, M., Adolphsen, C., Arnold, R., Boogert, S., Boorman, G., Gournaris, F., ...
The main physics programme of the International Linear Collider (ILC) requires a measurement of the beam energy at the interaction point with an accuracy of $10^{-4}$ or better. To achieve this goal...
Study of $B^0(\bar{} \to \pi^0pi^0$, $B^\pm \pi^\pm\pi^0$ and $B^\pm \to K^\pm\pi^0$ decays (2006)
Aubert, B., Abe, T., Abrams, G. S., Adye, T., Ahmed, S., Alam, M. S., ...
We present a preliminary measurement of the time-dependent CP-violating asymmetry in decays of neutral B mesons to the final states D*-+ pi+- using approximately 178 million BB events recorded by the...
Aubert, B., Abe, T., Abrams, G. S., Adye, T., Ahmed, S., Alam, M. S., ...
We present a preliminary measurement of the time-dependent CP-violating asymmetry in decays of neutral B mesons to the final states D*-+ pi+- using approximately 178 million BB events recorded by the...
Aubert, B., Barate, R., Boutigny, D., Couderc, F., Gaillard, J.M., Hicheur, A., ...
We present the preliminary measurement of CP-violating asymmetries in B0->(rhopi)0->pi+pi-pi0 decays using a time-dependent Dalitz plot analysis. The results are obtained from a data sample of 213...
Aubert, B., Barate, R., Boutigny, D., Couderc, F., Gaillard, J.M., Hicheur, A., ...
With a sample of 88.8 BBbar pairs produced at PEP-II in e+e- annihilation through the Upsilon(4S) resonance and recorded with the BABAR detector, we search for the B+ --> K*0 Rho+ decay mode. A...
Aubert, B., Abe, T., Abrams, G. S., Adye, T., Ahmed, S., Alam, M. S., ...
We report the observation of 823+/-57 B^0 and 970+/-65 B^+ decays to doubly charmed final states Dbar^(*)D^(*)K, where Dbar^(*) and D^(*) are fully reconstructed and K is either a K+/- or a K^0. We...
Measurement of the branching fraction and polarization for the decay $B^- \to D^{*0}K^{*-}$ (2006)
Aubert, B., Barate, R., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., ...
We present a study of the decay B- -> D*0 K*- based on a sample of 86 million Upsilon(4S) -> BBbar decays collected between 1999 and 2002 with the BaBar detector at the PEP-II asymmetric-energy...
Measurement of the average $\phi$ multiplicity in $B$ meson decay (2006)
Aubert, B., Barate, R., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., ...
We present a measurement of the average multiplicity of $\phi$ mesons in $B^0$, $\kern 0.18em\bar{\kern -0.18em B}{}^0$ and $B^\pm$ meson decays. Using $17.6 fb^{-1}$ of data taken at the...
Aubert, B., Barate, R., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., ...
Using events in which one of two neutral B mesons from the decay of an Y(4S) meson is fully reconstructed, we determine parameters governing decay (\Delta\Gamma_d/\Gamma_d), CP and T violation...
Aubert, B., Barate, R., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., ...
We present evidence for the flavor-changing neutral current decay $B\to K^*\ell^+\ell^-$ and a measurement of the branching fraction for the related process $B\to K\ell^+\ell^-$, where $\ell^+\ell^-$...
Measurement of the $B^0 \rightarrow \phiK^*0$ decay amplitudes (2006)
Aubert, B., Barate, R., Boutigny, D., Couderc, F., Gaillard, J.M., Hicheur, A., ...
With a sample of about 227 million BB pairs recorded with the BABAR detector at the PEP-II storage ring we perform a full angular analysis of the decay B0->PhiK*0(892). We measure the branching...
Aubert, B., Barate, R., Boutigny, D., Couderc, F., Gaillard, J.M., Hicheur, A., ...
We present measurements of branching fractions and \CP-violating asymmetries in decays of $B$ mesons to two-body final states containing a \Kz. The results are based on a data sample of approximately...
Aubert, B., Barate, R., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., ...
We present a study of B- -> D^0_CP K^- decays, where D^0_CP is reconstructed in CP-even channels, based on a sample of 88.8 million Upsilon(4S)->BBbar decays collected with the BaBar detector at the...
Aubert, B., Barate, R., Boutigny, D., Couderc, F., Gaillard, J.M., Hicheur, A., ...
We present a measurement of time-dependent CP-violating asymmetries in fully reconstructed $B^0->D^{(*)\pm}\pi^\mp$ decays in a data sample of approximately 88 million $Y(4S)\to B\bar{B}$ decays...
Aubert, B., Barate, R., Boutigny, D., Couderc, F., Gaillard, J.M., Hicheur, A., ...
We present a measurement of time-dependent CP-violating asymmetries in decays of neutral B mesons to the final states D*-+ pi+-, using approximately 82 million B B bar events recorded by the BABAR...
Aubert, B., Barate, R., Boutigny, D., Couderc, F., Gaillard, J.M., Hicheur, A., ...
We study B^+/- --> J/psi pi^+/- and B^+/- --> J/psi K^+/- decays in a sample of about 89 million BB~ pairs collected with the BABAR detector at the PEP-II asymmetric B-factory at SLAC. We observe a...
Aubert, B., Barate, R., Boutigny, D., Couderc, F., Gaillard, J.M., Hicheur, A., ...
We determine the inclusive B --> Xc l nu branching fraction, the CKM matrix element |Vcb|, and other heavy-quark parameters from a simultaneous fit to moments of the hadronic-mass and lepton-energy...
Search for the rare leptonic decay $B^+ \to \mu^+\nu-\mu$ (2006)
Aubert, B., Barate, R., Boutigny, D., Couderc, F., Gaillard, J.M., Hicheur, A., ...
We have performed a search for the rare leptonic decay B+ --> mu+ nu_mu with data collected at the Upsilon(4S) resonance by the BABAR experiment at the PEP-II storage ring. In a sample of 88.4...
Search for the radiative decays $B\to\rho\gamma$ and $B\to\omega\gamma$ (2006)
Aubert, B., Barate, R., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., ...
A search for the exclusive radiative decays B --> rho(770) gamma and B0 --> omega(782) gamma is performed on a sample of about 84\times 10^{6} B\bar B events collected by the BaBar detector at the...
Aubert, B., Barate, R., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., ...
We report a measurement of the inclusive charmless semileptonic branching fraction of B mesons in a sample of 89 million BBbar events recorded with the BABAR detector at the Y(4S) resonance. Events...
Measurements of the mass and width of the $\eta_c$ meson and of an $\eta_c(2S)$ candidate (2006)
Aubert, B., Barate, R., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., ...
The mass and total width of the eta_c meson have been measured in two-photon interactions at the SLAC asymmetric B-Factory with the BABAR detector. With a sample of approximately 2500 reconstructed...
Measurement of $sin^2\beta$ with hadronic and previously unused muonic $J/\psi$ decays (2006)
Aubert, B., Barate, R., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., ...
We report a measurement of the CP-violation parameter sin2beta with B^0 -> J/psi K^0_S decays in which the J/psi decays to hadrons or to muons that do not satisfy our standard identification...
Aubert, B., Barate, R., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., ...
We present measurements of branching fractions in the b -> s s-bar s penguin-dominated decays B+ --> phi K+ and B0 --> phi K0 in a sample of approximately 89 million BBbar pairs collected by the...
Aubert, B., Barate, R., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., ...
We have used a study of the process e+e- --> mu+ mu- gamma at a center-of-mass energy near the Y(4S) resonance for a mu+ mu- invariant mass range near the J/psi mass to extract the cross section...
Aubert, B., Barate, R., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., ...
Using a sample of 88.8 10**6 BBbar events collected with the BaBar detector at the PEP-II storage rings at the Stanford Linear Accelerator Center, we measure the branching fractions of seven...
Aubert, B., Barate, R., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., ...
A narrow state, which we label DsJ(2458)+, with mass 2458.0 +/- 1.0(stat.) +/- 1.0(syst.) MeV/c^2, is observed in the inclusive Ds+ pi0 \gamma$ mass distribution in 91 fb-1 of e^+e^- annihilation...
Aubert, B., Barate, R., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., ...
We present measurements of branching fractions and charge asymmetries for seven B-meson decays with an eta, eta' or omega meson in the final state. The data sample corresponds to 89 million BBbar...
Aubert, B., Barate, R., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., ...
We have observed the rare decay B0 => rho+ rho- in a sample of 89 million BB pairs recorded with the BABAR detector. The number of observed events is 88 +23-21 +-9, with a significance of 5.1...
Search for Lepton-Flavor Violation in the Decay $\tau^-\to\ell^-\ell^+\ell^-$ (2006)
Aubert, B., Barate, R., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., ...
A search for the lepton-flavor-violating decay of the tau into three charged leptons has been performed using $91.5 \mathrm{fb}^{-1}$ of data collected at an $e^+e^-$ center-of-mass energy of 10.58...
Aubert, B., Barate, R., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., ...
We report a measurement of the production ratio of charged and neutral B mesons from Upsilon(4S) decays based on the ratio of efficiency-corrected yields for the charmonium modes J/psi K^+ and J/psi...
Measurements of CP-Violating Asymmetries and branching fractions in B meson decays to eta'K$ (2006)
Aubert, B., Barate, R., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., ...
We present measurements of the branching fractions of the decays B+ -> eta' K+ and B0 -> eta' K0. For B0 -> eta' K0s we also measure the time dependent CP-violation parameters S and C, and for B+...
Aubert, B., Barate, R., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., ...
We present measurements of branching fractions and CP-violating asymmetries in B0 -> rho+- pi-+ and B0 -> rho- K+ decays. The results are obtained from a data sample of 88.9 10^6 Upsilon(4S) -> B...
Aubert, B., Barate, R., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., ...
We present a measurement of time-dependent CP asymmetries and an updated determination of the CP-odd fraction in the decay B0 --> D*+D*- using a data sample of 88 x 10^6 BBbar pairs collected by the...
Study of Time-Dependent $CP$ Asymmetry in Neutral $B$ Decays to $J/\psi\pi^0$ (2006)
Aubert, B., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., Lees, J.P., ...
e present the first study of the time-dependent CP-violating asymmetry in B0 -> J/psi pi0 decays using e+e- annihilation data collected with the BaBar detector at the Upsilon(4S) resonance during the...
Aubert, B., Barate, R., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., ...
We present measurements of branching fractions and charge asymmetries for charmless B-meson decays to three-body final states of charged pions and kaons. The analysis uses 81.8 fb^-1 of data...
Aubert, B., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., Lees, J.P., ...
We measure the B0 lifetime \tau_{B0} and the B0-B0bar oscillation frequency \Delta m_d with a sample of approximately 14,000 exclusively reconstructed B0 --> D*- l+ nu signal events, selected from 23...
Aubert, B., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., Lees, J.P., ...
The neutral $B$ meson lifetime is measured with the data collected by the BaBar detector at the PEP-II storage ring during the years 1999 and 2000, with a total integrated luminosity of 20.7 ${\rm...
Observation of a narrow meson decaying to $D^+_s\pi^0$ at a mass of 2.32 GeV/c$^2$ (2006)
Aubert, B., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., Lees, J.P., ...
We have observed a narrow state near 2.32 GeV/c^2 in the inclusive Ds+ pi0 invariant mass distributionfrom e+e- annihilation data at energies near 10.6 GeV. The observed width is consistent with the...
Measurement of the $B^0 \rightarrow J/\psi\pi^+\pi^-$ branching fraction (2006)
Aubert, B., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., Lees, J.P., ...
We present a measurement of the branching fraction for the decay of the neutral $B$ meson into the final state $J/\psi\pi^+\pi^-$. The data set contains approximately 56 million $B\bar{B}$ pairs...
Measurement of the Branching Fraction for Inclusive Semileptonic B Meson Decays (2006)
Aubert, B., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., Lees, J.P., ...
A largely model-independent measurement of the inclusive electron momentum spectrum and branching fraction for semileptonic decays of B mesons is presented based on data recorded at the Upsilon(4S)...
Study of Inclusive Production of Charmonium Mesons in B Decay (2006)
Aubert, B., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., Lees, J.P., ...
The inclusive production of charmonium mesons in B meson decay has been studied in a 20.3 fb$^{-1}$ data set collected by the BaBar experiment operating at the $\Upsilon(4S)$ resonance. Branching...
Evidence for $B^+ \to J/\psi p\bar{\Lambda}$ and search for $B^0 \to J/\psi p\bar{p}$ (2006)
Aubert, B., Barate, R., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., ...
Aubert, B., Barate, R., Boutigny, D., Couderc, F., Gaillard, J.M., Hicheur, A., ...
We study the decay B- --> J/psi K- pi+ pi- using 117 million BBbar events collected at the Y(4S) resonance with the BaBar detector at the PEP-II e+ e- asymmetric-energy storage ring. We measure the...
Aubert, B., Barate, R., Boutigny, D., Couderc, F., Karyotakis, Y., Lees, J.P., ...
We search for a charged partner of the X(3872) in the decay B --> X- K, X- --> J/psi pi- pi0, using 234 million BBbar events collected at the Y(4S) resonance with the BaBar detector at the PEP-II...
Aubert, B., Barate, R., Boutigny, D., Couderc, F., Karyotakis, Y., Lees, J.P., ...
We study the decays B- --> D*0 pi- and B- --> D*0 K-, where the D*0 decays into D0 pi0, with the D0 reconstructed in the CP-even (CP+) eigenstates K- K+ and pi- pi+ and in the (non-CP) channels K-...
Aubert, B., Barate, R., Boutigny, D., Couderc, F., Karyotakis, Y., Lees, J.P., ...
We search for a charged partner of the X(3872) in the decay B --> X- K, X- --> J/psi pi- pi0, using 234 million BBbar events collected at the Y(4S) resonance with the BaBar detector at the PEP-II...
Aubert, B., Barate, R., Boutigny, D., Couderc, F., Karyotakis, Y., Lees, J.P., ...
We study the decays B- --> D*0 pi- and B- --> D*0 K-, where the D*0 decays into D0 pi0, with the D0 reconstructed in the CP-even (CP+) eigenstates K- K+ and pi- pi+ and in the (non-CP) channels K-...
Aubert, B., Barate, R., Boutigny, D., Couderc, F., Karyotakis, Y., Lees, J.P., ...
We search for a charged partner of the X(3872) in the decay B --> X- K, X- --> J/psi pi- pi0, using 234 million BBbar events collected at the Y(4S) resonance with the BaBar detector at the PEP-II...
Aubert, B., Barate, R., Boutigny, D., Couderc, F., Karyotakis, Y., Lees, J.P., ...
We study the decays B- --> D*0 pi- and B- --> D*0 K-, where the D*0 decays into D0 pi0, with the D0 reconstructed in the CP-even (CP+) eigenstates K- K+ and pi- pi+ and in the (non-CP) channels K-...
Aubert, B., Barate, R., Boutigny, D., Couderc, F., Gaillard, J.M., Hicheur, A., ...
We report on the inclusive branching fractions of $B^-$ and of ${\bar B}^0$ mesons decaying to ${D^0 X}$, ${{\bar D}^0 X}$, ${D^+ X}$, ${D^- X}$, ${D_s^+ X}$, ${D_s^- X}$, ${\Lambda_c^+ X}$, ${{\bar...
Measurement of the Branching Fraction for $B^{\pm} \rightarrow \chi_{c0} K^{\pm}$ (2005)
Aubert, B., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., Lees, J.P., ...
We present preliminary results for the measurement of the branching fraction of the decay B+- -> chi_c0 K+- from a sample of 75 million BB pairs collected by the BABAR detector at the PEP-II...