M. Iwasaki

An Improved Limit on the Muon Electric Dipole Moment (2008)

Bennett, G. W., Bousquet, B., Brown, H. N., Bunce, G., Carey, R. M., Cushman, P., ...

Three independent searches for an electric dipole moment (EDM) of the positive and negative muons have been performed, using spin precession data from the muon g-2 storage ring at Brookhaven National...

Detectors and flux instrumentation for future neutrino facilities (2007)

Abe, T., Aihara, H., Andreopoulos, C., Ankowski, A., Badertscher, A., Battistoni, G., ...

This report summarises the conclusions from the detector group of the International Scoping Study of a future Neutrino Factory and Super-Beam neutrino facility. The baseline detector options for each...

Ultrasonography and color Doppler investigation of transicional cell carcinoma of the bladder in dogs (2007)

Froes,T.R., Iwasaki,M., Campos,A.G., Torres,L.N., Dagli,M.L.Z.

The aims of this study were to evaluate the ultrasonographic findings in dogs with suggestive transitional cell carcinoma (TCC) lesion, to investigate the use of the color Doppler for the diagnosis...

$\Lambda N$ correlations from the stopped $K^-$ reaction on ${}^4$He (2007)

Suzuki, T., Bhang, H., Chiba, J., Choi, S., Fukuda, Y., Hanaki, T., ...

We have investigated correlations of coincident $\Lambda N$ pairs from the stopped $K^-$ reaction on ${}^4$He, and clearly observed $\Lambda p$ and $\Lambda n$ branches of the two-nucleon absorption...

$\Lambda d$ correlations from the $^4$He(stopped-$K^-$,$d$) reaction (2007)

Suzuki, T., Bhang, H., Chiba, J., Choi, S., Fukuda, Y., Hanaki, T., ...

We have observed an intense high-energy component in an inclusive $^4$He(stopped $K^-$, $d$) spectrum. For back-to-back $\Lambda d$ pairs a prominent event cluster has been found just below the...

Search for strange tribaryon states in the inclusive ^4He(K^{-}_{stopped}, p) reaction (2007)

Sato, M., Bhang, H., Chiba, J., Choi, Seonho, Fukuda, Y., Hanaki, T., ...

A search for tribaryon states was performed at KEK-PS. We adopted the $^4$He($K^-_{stopped}, p)$ reaction to populate the states with strangeness -1, charge 0 and isospin 1. No significant narrow...

Precision measurement of the $3d \to 2p$ x-ray energy in kaonic $^4$He (2007)

Okada, S., Beer, G., Bhang, H., Cargnelli, M., Chiba, J., Choi, Seonho, ...

We have measured the Balmer-series x-rays of kaonic $^4$He atoms using novel large-area silicon drift x-ray detectors in order to study the low-energy $\bar{K}$-nucleus strong interaction. The energy...

Search for a kaonic nuclear state via $^4$He$(K^-, N)$ (2007)

Iwasaki, M., Bhang, H., Chiba, J., Choi, S., Fukuda, Y., Hanaki, T., ...

Very recently, we have performed a couple of experiments, {\it{KEK PS-E549/E570}}, for the detailed study of the strange tribaryon $S^0(3115)$ obtained in {\it{KEK PS-E471}}. These experiments were...

Search for Invisible Decay of the Υ(1S) (2007)

Tajima, O., Hayashii, H., Hazumi, M., Inami, K., Iwasaki, Y., Uehara, S., ...

We report results of a search for the invisible decay of the Υ(1S) via the Υ(3S)→π+π-Υ(1S) transition using a data sample of 2.9 fb^{-1} at the Υ(3S) resonance. The data were collected with...

Measurement of the Branching Fractions for the Exclusive Decays of $B^0$ and $B^+ \to \bar{D}^{*}D^{*}K$ (2006)

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...

Observation of B^+ → Λ^+_c Λ^－_c K^+ and B^0 → Λ^+_c Λ^－_c K^0 Decays (2006)

Gabyshev, N., Abe, K., Abe, K., Adachi, I., Aihara, H., Asano, Y., ...

We report the first measurements of the doubly charmed baryonic B decays B → Λ^+_c Λ^-_c K. The B+ → Λ^+_c Λ^-_c K+ decay is observed with a branching fraction of (6.5^{+1.0}_{-0.9}...

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...

Evidence for the rare decay $B\to K^*\ell^+\ell^-$ and measurement of the $B\to K\ell^+\ell^-$ branching fraction (2006)

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 $B^0-\bar B^0$ oscillation frequency with inclusive dilepton events (2006)

Aubert, B., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., Lees, J.P., ...

We have studied the B^+/- --> J/psi pi^+/- and B^+/- --> J/psi K^+/- decays using a 20.7 fb-1 data set collected with the BABAR detector. We observe a signal of 51+/-10 B^+/- --> J/psi pi^+/- events...

Measurement of the branching fractions and CP asymmetry of $B^- \to D^0_{(CP)} K^-$ decays with the BaBar detector (2006)

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...

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...

Measurement of the inclusive charmless semileptonic branching ratio of B mesons and determination of |V_ub| (2006)

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...

Measurements of branching fractions in $B \to \phi K$ and $B \to \phi\pi$ and search for direct CP violation in $B^{+/-} \to \phi K^{+/-}$ (2006)

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...

$J/\psi$ production via initial state radiation in $e^+ e^- \to \mu^+ \mu^- \gamma$ at an $e^+e^-$ center-of-mass energy near 10.6 GeV (2006)

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...

Measurement of branching fractions of color-suppressed decays of the $\bar{B^0} meson to $D^{(*)0} \pi^0, D^{(*)0} \eta, D^{(*)0} \omega$, and $D^0 \eta'$ (2006)

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...

Observation of a narrow meson decaying to $D^{+}_{s} \pi^0 \gamma$ at a mass of $2.458 GeV/c^2$ (2006)

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...

Observation of $B^0 \to \omega K^0$, $B^+ \to \eta\pi^+$, and $B^+ \to \eta K^+$ and study of related decays (2006)

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...

Observation of the decay $B^0 \Rightarrow \rho^+ \rho^-$ and measurement of the branching fraction and polarization (2006)

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...

Measurement of the $B^+/B^0$ production ratio from the Upsilon(4S) meson using $B^+ \to J/\psi K^+$ and $B^0 \to J/\psi K^{0}_{S}decays (2006)

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...

Rare $B$ decays into states containing a $j/\psi$ meson and a meson with $s\bar s$ quark content (2006)

Aubert, B., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., Lees, J.P., ...

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+...

Measurements of Branching Fractions and CP-Violating Asymmetries in $B^0 \rightarrow \rho^{+-}\h^{-+}$ Decays (2006)

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...

Measurement of time-dependent CP asymmetries and the CP-Odd fraction in the decay $B^0 \rightarrow D^{*+}D^{*-}$ (2006)

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...

Search for $D^0-\bar D^0$ mixing and a measurement of the doubly cabibbo-suppressed decay rate in $D^0 \to k^{+}\pi^{-}$ decays (2006)

Aubert, B., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., Lees, J.P., ...

We present results of a search for $D^0$-$\kern 0.2em\bar{\kern -0.2em D}{}^0$~mixing and a measurement of $R_{\rm D}$, the ratio of doubly Cabibbo-suppressed decays to Cabibbo-favored decays, based...

Rates, polarizations, and asymmetries in charmless vector-vector $B$ meson decays (2006)

Aubert, B., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., Lees, J.P., ...

With a sample of approximately 89 million BBbar pairs collected with the BABAR detector, we perform a search for B meson decays into pairs of charmless vector mesons (phi, rho, and K*). We measure...

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...

Measurements of the branching fractions and bounds on the charge asymmetries of charmless three-body charged B decays (2006)

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...

Simultaneous Measurement of the $B^0$ Meson Lifetime and Mixing Frequency with $B^0 \rightarrow D^{*-}\ell^+\nu_\ell$ Decays (2006)

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...

Study of the rare decays $B^0 \rightarrow D_s^{(*)+}\pi^-$ and $B^0 \rightarrow D_s^{(*)-}K^+$ (2006)

Aubert, B., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., Lees, J.P., ...

Measurement of the $B^0 \rightarrow D_s^{(*)+}D^{*-}$ branching fraction and $B^0 \rightarrow D_s^{*+}D^{*-}$ polarization with a partial reconstruction technique (2006)

Aubert, B., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., Lees, J.P., ...

Measurement of the $B^0$ meson lifetime with partial reconstruction of $B^0 \rightarrow D^{*-}\pi^+$ and $B^0 \rightarrow D^{*-}\rho^+$ decays (2006)

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...

Measurement of the Cabibbo-Kobayashi-Maskawa Matrix Element $|V_{ub}|$ with $B\to\rho e \nu$ Decays (2006)

Aubert, B., Barate, R., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., ...

Observation of the Decay $B^{\pm} \to \pi^{\pm}\pi^{0}$, Study of $B^{\pm} \to K^{\pm}\pi^{0}$, and Search for $B^{0} \to \pi^{0}\pi^{0}$ (2006)

Aubert, B., Barate, R., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., ...

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...

Measurements of branching fractions and $CP$-violating asymmetries in $B^0 \rightarrow \pi^+\pi^-, K^+\pi^-, K^+K^-$ decays (2006)

Aubert, B., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., Lees, J.P., ...

We present measurements of branching fractions and CP-violating asymmetries for neutral B meson decays to two-body final states of charged pions and kaons based on a sample of about 88 million...

A study of time-dependent CP-violating asymmetries and flavor oscillations in neutral B decays at the Upsilon(4S) (2006)

Aubert, B., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., Lees, J.P., ...

We present a measurement of time-dependent CP-violating asymmetries in neutral B meson decays collected with the BABAR detector at the PEP-II asymmetric-energy B Factory at the Stanford Linear...

Measurement of the Branching Fraction and CP Content for the Decay $B^0 \to D^{*+}D^{*-}$ (2006)

Aubert, B., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., Lees, J.P., ...

We report a measurement of the branching fraction of the decay B^0 --> D^{*+} D^{*-} and of the CP-odd component of its final state using the BaBar detector. With data corresponding to an integrated...

A study of $B^{\pm} \rightarrow J/\psi\pi^{\pm}$ and B^{\pm} \rightarrow J/\psiK^{\pm}$ decays: measurement of the ratio of branching fractions and search for direct $CP$-violating charge asymmetries (2006)

Aubert, B., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., Lees, J.P., ...

We have studied the B^+/- --> J/psi pi^+/- and B^+/- --> J/psi K^+/- decays using a 20.7 fb-1 data set collected with the BABAR detector. We observe a signal of 51+/-10 B^+/- --> J/psi pi^+/- events...

Measurement of the $B^0$ lifetime with partially reconstructed $B^0 \to D^{*-}l^+\nu_l$ decays (2006)

Aubert, B., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., Lees, J.P., ...

The B0 lifetime has been measured with a sample of 23 million BBbar pairs collected by the BaBar detector at the PEP-II e+e- storage ring during 1999 and 2000. Events from the semileptonic decay B0...

Search for the rare decays $B \to Kl^+l^-$ and $B \to K^*l^+l^-$ (2006)

Aubert, B., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., Lees, J.P., ...

We present results from a search for the flavor-changing neutral current decays $B\to K\ell^+\ell^-$ and $B\to K^*\ell^+\ell^-$, where $\ell^+\ell^-$ is either an $e^+e^-$ or $\mu^+\mu^-$ pair. The...

Search for T and CP violation in $B^0-\bar B^0$ mixing with inclusive dilepton events (2006)

Aubert, B., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., Lees, J.P., ...

We report the results of a search for T and CP violation in B0-anti-B0 mixing using an inclusive dilepton sample collected by the BaBar experiment at the PEP-II B Factory. The asymmetry between...

Limits on $D^0$-$\bar D^0$ mixing and $CP$ violation from the ratio of lifetimes for decay to $K^-\pi^+$, $K^-K^+$, and $\pi^-\pi^+$ (2006)

Aubert, B., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., Lees, J.P., ...

We present a measurement of $D^0$-$\D0bar$ mixing parameters using the ratios of lifetimes extracted from samples of $D^0$ mesons decaying to $K^-\pi^+$, $K^-K^+$, and $\pi^-\pi^+$. Using 91 ${\rm...

Measurement of the Branching Fraction and $CP$-violating Asymmetries in Neutral $B$ Decays to $D*^{\pm} D^{\mp}$ (2006)

Aubert, B., Barate, R., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., ...

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., ...

Measurement of $D^+_s$ and $D^{*+}_s$ production in $B$ meson decays and from continuum $e^+^e-$ annihilation at $\sqrt{s}$=10.6 GeV (2006)

Aubert, B., Boutigny, D., Gaillard, J.M., Hicheur, A., Karyotakis, Y., Lees, J.P., ...

New measurements of Ds+ and Ds*+ meson production rates from B decays and from qqbar continuum events near the Y(4S) resonance are presented. Using 20.8 fb-1 of data on the Y(4S) resonance and 2.6...

Measurement of $B^0-\bar B^0$ flavor oscillations in hadronic $B^0$ Decays (2006)

Aubert, B., Boutigny, D.,