D. A. Roberts

Publication List Details

Period

1974 - 2009

Number

101

Co-Authors

Evidence for the η_b(1S) Meson in Radiative Υ(2S) Decay (2009)

Aubert, B., Bona, M., Karyotakis, Y., Lees , J. P., Poireau, V., Prencipe, E., ...

We have performed a search for the η_b(1S) meson in the radiative decay of the Υ(2S) resonance using a sample of 91.6 × 10^6 Υ(2S) events recorded with the BABAR detector at the PEP-II B factory...

Measurement of the γγ* → π^0 transition form factor (2009)

Aubert, B., Karyotakis, Y., Lees, J. P., Poireau, V., Prencipe, E., Prudent , X., ...

We study the reaction e^(+)e^(-) → e^(+)e^(-)π^0 in the single tag mode and measure the differential cross section dσ/dQ^2 and the γγ* → π^0 transition form factor in the momentum transfer...

Search for Dimuon Decays of a Light Scalar Boson in Radiative Transitions Y → yA^0 (2009)

Aubert, B., Karyotakis, Y., Lees, J. P., Poireau, V., Prencipe, E., Prudent, X., ...

We search for evidence of a light scalar boson in the radiative decays of the Υ(2S) and Υ(3S) resonances: Υ(2S,3S) → γA^0, A^0 →µ^+µ^-. Such a particle appears in extensions of the standard...

Search for b → u transitions in B^0 → D^(0)K^(*0) decays (2009)

Aubert, B., Bona, M., Karyotakis, Y., Lees, J. P., Poireau, V., Prencipe, E., ...

We present a study of the decays B^0 → D^(0)K^(*0) and B^0 →[overline D]^(0)K^(*0) with K^(*0) → K^(+)π^-. The D^0 and the [overline D]^0 mesons are reconstructed in the final states f =...

Search for second-class currents in τ^- → ωπ^(-)ν_τ (2009)

Aubert, B., Karyotakis, Y., Lees, J. P., Poireau, V., Prencipe, E., Prudent, X., ...

We report an analysis of τ^- decaying into ωπ^(-)ν_τ with ω → π^(+)π^(-)π^0 using a data sample containing nearly 320 × 10^6 pairs collected with the BABAR detector at the PEP-II...

Simultaneous Multi-Wavelength Observations of Sgr A* during 2007 April 1-11 (2009)

Yusef-Zadeh, F., Bushouse, H., Wardle, M., Heinke, C., Roberts, D. A., Dowell, C. D., ...

We report the detection of variable emission from Sgr A* in almost all wavelength bands (i.e. centimeter, millimeter, submillimeter, near-IR and X-rays) during a multi-wavelength observing campaign....

Search for B0 meson decays to pi^0KS^0KS^0, etaKS^0KS^0, and eta^([prime])KS^0KS^0 (2009)

Aubert, B., Karyotakis, Y., Lees, J. P., Poireau, V., Prencipe, E., Prudent, X., ...

We describe searches for B^0 meson decays to the charmless final states π^(0)K^(0)_(S)K^(0)_(S), ηK^(0)_(S)K^(0)_(S), and η'K^(0)_(S)K^(0)_(S). The data sample corresponds to 467 × 10^6...

Modeling mm- to X-ray flare emission from SgrA* (2009)

Eckart, A., Baganoff, F. K., Morris, M. R., Kunneriath, D., Zamaninasab, M., Witzel, G., ...

We report on new modeling results based on the mm- to X-ray emission of the SgrA* counterpart associated with the massive black hole at the Galactic Center. Our modeling is based on simultaneous...

Improved Measurement of B^+ → ρ^+ ρ^0 and Determination of the Quark-Mixing Phase Angle α (2009)

Aubert, B., Karyotakis, Y., Lees, J. P., Poireau, V., Prencipe, E., Prudent, X., ...

We present improved measurements of the branching fraction B, the longitudinal polarization fraction f_L, and the direct CP asymmetry A_(CP) in the B meson decay channel B^+ → p^+p^0. The data...

Evidence for X(3872) → Ψ (2S)y in B^± → X(3872)K^± Decays and a Study of B → ccyK (2009)

Aubert, B., Bona, M., Karyotakis, Y., Lees, J. P., Poireau, V., Prencipe, E., ...

In a search for B → ccyK decays with the BABAR detector, where cc includes J/Ψ and Ψ (2S), and K includes K^±, K^0_S , and K^*(892), we find evidence for X(3872) → J/Ψy and X(3872) → Ψ...

Search for the decay B^+-->K_s^0K_s^0pi^+ (2009)

Aubert , B., Bona, M., Karyotakis, Y., Lees, J. P., Poireau, V., Prencipe, E., ...

We search for charmless decays of charged B mesons to the three-body final state K_S^0K_S^0pi^+. Using a data sample of 423.7 fb^(-1) collected at the Upsilon(4S) resonance with the BABAR detector,...

Direct CP, Lepton Flavor, and Isospin Asymmetries in the Decays B → K^(*)l^+l^- (2009)

Aubert, B., Bona, M., Karyotakis, Y., Lees, J. P., Poireau, V., Prencipe, E., ...

We measure branching fractions and integrated rate asymmetries for the rare decays B→K(*)l^+l^-, where l^+l^- is either e^+e^- or µ^+µ^-, using a sample of 384×10^6 B B events collected with the...

Measurement of time dependent CP asymmetry parameters in B0 meson decays to omegaK_S^0, eta^([prime])K^0, and pi^0K_S^0 (2009)

Aubert , B., Bona, M., Karyotakis, Y., Lees, J. P., Poireau, V., Prencipe, E., ...

We present measurements of the time-dependent CP-violation parameters S and C in the decays B0-->omegaKS0, B0-->eta[prime]K0, reconstructed as eta[prime]KS0 and eta[prime]KL0, and B0-->pi0KS0. The...

Measurement of the B^+ → omegal^+nu and B^+ → etal^+nu branching fractions (2009)

Aubert, B., Bona, M., Karyotakis, Y., Lees, J. P., Poireau, V., Prencipe, E., ...

We present a study of the charmless semileptonic B-meson decays B^+ → omega[script-l]^+nu and B^+ → eta[script-l]^+nu. The analysis is based on 3.83×10^8 B[overline B] pairs recorded at the...

Evidence for B^+ → [overline K]^(*0)K^(*+) (2009)

Aubert , B., Bona, M., Karyotakis, Y., Lees, J. P., Poireau, V., Prencipe, E., ...

We present measurements of the branching fraction and fraction of longitudinal polarization for the decay B^+ K^(*0)K^(*+) with a sample of (467±5)×10^6 BB pairs collected with the BABAR detector...

Observation of B meson decays to omegaK^* and improved measurements for omegarho and omegaf_0 (2009)

Aubert , B., Karyotakis, Y., Lees, J. P., Poireau, V., Prencipe, E., Prudent , X., ...

We present measurements of B meson decays to the final states ωK^*, ωp, and ωf_0, where K^* indicates a spin 0, 1, or 2 strange meson. The data sample corresponds to 465×10^6 BB pairs collected...

Angular distributions in the decay B → K^*l^+l^- (2009)

Aubert, B., Bona, M., Karyotakis, Y., Lees, J. P., Poireau, V., Prudent, X., ...

We use a sample of 384×106 B[overline B] events collected with the BABAR detector at the PEP-II e+e- collider to study angular distributions in the rare decays B-->K*[script-l]+[script-l]-, where...

Dalitz plot analysis of D_s^+ → π^+π^-π^+ (2009)

Aubert, B., Bona, M., Karyotakis, Y., Lees, J. P., Poireau, V., Prencipe, E., ...

A Dalitz plot analysis of approximately 13 000 D_s^+ decays to π^+π^-π^+ has been performed. The analysis uses a 384 fb-1 data sample recorded by the BABAR detector at the PEP-II asymmetric-energy...

Measurements of time-dependent CP asymmetries in B^0 → D^((*)+)D^((*)-) decays (2009)

Aubert, B., Bona, M., Karyotakis, Y., Lees, J. P., Poireau, V., Prencipe, E., ...

We present new measurements of time-dependent CP asymmetries for B^0→D(*)+D(*)- decays using (467±5)×10^6 B[overline B] pairs collected with the BABAR detector located at the PEP-II B Factory at...

Scale dependent alignment between velocity and magnetic field fluctuations in the solar wind and comparisons to Boldyrev's phenomenological theory (2009)

Podesta, J. J., Bhattacharjee, A., Chandran, B. D. G., Goldstein, M. L., Roberts, D. A.

(Abridged abstract) A theory of incompressible MHD turbulence recently developed by Boldyrev predicts the existence of a scale dependent angle of alignment between velocity and magnetic field...

Measurement of the e^(+)e^(-)→ bb(macron) cross section between √s = 10.54 and 11.20 GeV (2009)

Aubert, B., Bona, M., Karyotakis, Y., Lees, J. P., Poireau, V., Prencipe, E., ...

We report e^(+)e^(-)→ bb(macron) cross section measurements by the BABAR experiment performed during an energy scan in the range of 10.54 to 11.20 GeV at the SLAC PEP-II e^(+)e^(-) collider. A...

Branching fractions and CP-violating asymmetries in radiative B decays to ηKγ (2009)

Aubert, B., Bona, M., Karyotakis, Y., Lees, J. P., Poireau, V., Prencipe, E., ...

We present measurements of the CP-violation parameters S and C for the radiative decay B^0 → ηK^0_Sγ for B → ηKγ we also measure the branching fractions and for B^+ → ηK^+γ the...

Search for Lepton Flavor Violating Decays tau^- --> l^-Ks^0 with the BABAR Experiment (2009)

Aubert, B., Bona, M., Karyotakis, Y., Lees, J. P., Poireau, V., Prencipe, E., ...

A search for the lepton flavor violating decays τ^- → l^- K^0_S (l = e or µ) has been performed using a data sample corresponding to an integrated luminosity of 469 fb-1, collected with the BABAR...

Measurement of the branching fractions of (B)over-bar -> D**l(-)(v)over-bar(l) decays in events tagged by a fully reconstructed B meson (2008)

Aubert, B., Bona, M., Karyotakis, Y., Lees, J. P., Poireau, V., Prencipe, E., ...

We report a measurement of the branching fractions of D**- decays based on 417 fb-1 of data collected at the (4S) resonance with the BABAR detector at the PEP-II e+e- storage rings. Events are...

Improved measurement of time-dependent CP asymmetries and the CP-odd fraction in the decay B(0) -> D*D(+)*(-) (2007)

Aubert, B., Bona, M., Boutigny, D., Karyotakis, Y., Lees, J. P., Poireau, V., ...

8 pages, 3 figures, 1 table.-- PACS nrs.: 13.25.Hw; 11.30.Er; 12.15.Hh.-- ISI Article Identifier: 000251987200002.-- ArXiv pre-print available at: http://arxiv.org/abs/0708.1549

Properties of Magnetohydrodynamic Ibrlmlence in the Solar Wind (2007)

B. E. Goldstein, E. J. Sn~i~h, A. Balogh, T. S. Horbuty, M. L. Goldstein, D. A. Roberts

Abstract. The Ulysses mission provides an opportunity to study the cvohrtion of magnetohydrodynarnic (MH D) turbulence in pure high-speed solar wind streams. The absence at high heliocentric...

The Pixon Method of Image Reconstruction (2007)

D. M. Mehringer, R. L. Plante, D. A. Roberts, Richard C. Puetter, Amos Yahil

Abstract. The Pixon method is a high-performance, nonlinear image reconstruction method that provides statistically unbiased photometry and robust rejection of spurious sources. Relative to other...

Two--Nucleon Processes in Pion--Induced Double Charge Exchange in (2007)

He Coincidence Measurement, S. F. Pate, W. Fong, M. T. Harvey, A. Saunders, M. D. Holcomb, ...

Inclusive measurements of pion double--charge--exchange in 3 He[1] and 4 He[2] in the \Delta(1232) resonance region suggest the dominance of a two--step sequential single--charge--exchange mechanism...

1 (2007)

Jun-hui Zhao, Jun-hui Zhao, D. A. Roberts, W. M. Goss, D. A. Frail, National Radio, ...

(thecompactradiosourceattheGalacticcenter):F ollowingitsfirstdetection; thef luxdensityoftheGalacticCenterTransient(GCT)increasedrapidlytoamaximumonemonthlater;...

The Interaction of two Prominent Galactic Center Sources: Sgr A East and the Molecular Ring (2007)

F. Yusef-zadeh, S. Stolovy, M. Burton, M. Wardle, F. Melia, J. Lazio, ...

We present a synthesis of a number of recent observations in the near--IR H 2 and [Fe II] lines, OH (1720 MHz) maser line and various radio continuum measurements using the NICMOS of the HST, UNSWIRF...

of the Istanbul Astronomy and Space Sciences Department (2007)

D. M. Mehringer, R. L. Plante, D. A. Roberts, S. Gulsecen, H. Gulsecen, H. C Aliskan, ...

's current computing system which no longer adequately meets the needs of its users---astronomers---has to be re-designed to operate like an Information System. Other major factors that have...

S. P. McKenzie – Survey Team Leader Survey Team Members (2007)

Former Linde, Uranium Refinery, S. P. Mckenzie, S. P. Mckenzie, M. S. Uziel, M. S. Uziel, ...

This report has been reproduced directly from the best available copy. Available to DOE and DOE contractors from the Office of Scientific and

Space Telescope European Coordinating Facility, European Southern (2007)

D. M. Mehringer, R. L. Plante, D. A. Roberts, Rudolf Albrecht, Karl Schwarzschild Str, ...

Abstract. The problem of computer assisted literature search is often misstated as the attempt to find, in a repository of electronic literature, a paper which, according to title and keywords,...

The Gemini Quick Look System (2007)

D. M. Mehringer, R. L. Plante, D. A. Roberts, Norman Hill, Jennifer Dunn, Shannon Jaeger

Abstract. The Gemini Data Handling System (DHS) developed by the Canadian Astronomy Data Centre (CADC) is required to provide a "Quick Look " display system that allows near...

Study of B(0)-->π(0)π(0), B(±)-->π(±)π(0), and B(±)-->K(±)π(0) decays, and isospin analysis of B-->ππ decays (2007)

Aubert, B., Bona, M., Boutigny, D., Karyotakis, Y., Lees, J. P., Poireau, V., ...

9 pages, 3 figures.-- PACS nrs.: 13.25.Hw; 11.30.Er; 12.15.Hh.-- ISI Article Identifier: 000251327200002.-- ArXiv pre-print available at: http://arxiv.org/abs/0707.2798

Measurements of CP-Violating asymmetries in the decay B-0 -> K+ K- K-0 (2007)

Aubert, B., Bona, M., Boutigny, D., Karyotakis, Y., Lees, J. P., Poireau, V., ...

7 pages, 3 figures.-- PACS nrs.: 13.25.Hw; 11.30.Er; 12.15.Hh.-- ISI Article Identifier: 000250296000017.-- ArXiv pre-print available at: http://arxiv.org/abs/0706.3885

Search for B+ -> tau(+)nu (2007)

Aubert, B., Bona, M., Boutigny, D., Karyotakis, Y., Lees, J. P., Poireau, V., ...

12 pages, 7 figures.-- PACS nrs.: 13.20.-v; 13.25.Hw.-- ISI Article Identifier: 000249786800009.-- ArXiv pre-print available at: http://arxiv.org/abs/0705.1820

Search for the rare decay B -> πl(+)l(-) (2007)

Aubert, B., Bona, M., Boutigny, D., Karyotakis, Y., Lees, J. P., Poireau, V., ...

7 pages, 1 figure, 2 tables.-- PACS nrs.: 13.20.He.-- ISI Article Identifier: 000248597500008.-- ArXiv pre-print available at: http://arxiv.org/abs/hep-ex/0703018

Observation of B+ -> rho+ K-(0) and measurement of its branching fraction and charge asymmetry (2007)

Aubert, B., Bona, M., Boutigny, D., Karyotakis, Y., Lees, J. P., Poireau, V., ...

8 pages, 1 figure.-- PACS nrs.: 13.25.Hw; 11.30.Er; 12.15.Hh.-- ISI Article Identifier: 000248544300003.-- ArXiv pre-print available at: http://arxiv.org/abs/hep-ex/0702043

Branching fraction measurements of B+ -> ρ(+)γ, B(0) -> ρ(0)γ, and B(0) -> ω^γ (2007)

Aubert, B., Bona, M., Boutigny, D., Karyotakis, Y., Lees, J. P., Poireau, V., ...

7 pages, 1 figure, 2 tables.-- PACS nrs.: 13.20.He; 12.15.Hh; 14.40.Nd.-- ISI Article Identifier: 000245691400015.-- ArXiv pre-print available at: http://arxiv.org/abs/hep-ex/0612017

Inclusive pion double charge exchange in light p-shell nuclei (2007)

Fong, W., Matthews, J. L., Dowell, M. L., Kinney, E. R., Soos, T., Wang, M. Y., ...

We report the results of a series of measurements of the differential cross sections for inclusive pion double charge exchange in 6,7Li, 9Be, and 12C for positive and negative incident pions of...

The Variability of polarized radiation from Sagittarius A* (2007)

Yusef-Zadeh, F, Wardle, M, Cotton, W. D, Heinke, C. O, Roberts, D. A

Sgr A* is variable at radio and submillimeter wavelengths on hourly timescales, showing time delays between the peaks of flare emission as well as linearly polarized emission at millimeter and...

Flaring Activity of Sgr A*: Expanding Hot Blobs (2006)

Yusef-Zadeh, F., Wardle, M., Roberts, D. A., Heinke, C. O., Dowell, C. D., Cotton, W. D., ...

Sgr A* is considered to be a massive black hole at the Galactic center and is known to be variable in radio, millimeter, near-IR and X-rays. Recent multi-wavelength observing campaigns show a...

Search for a Charged Partner of the X(3872) in the B Meson Decay $B \to X^- K, X^- \to J/\psi\pi^-\pi^0$ (2006)

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...

Measurement of the Ratio $\cal{B}(B^- \to D*^0 K^-)/\cal{B}(B^- \to D*^0 \pi^-)$ and of the CP Asymmetry of $B^- \to D*^0_{CP^+} K^-$ Decays (2006)

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-...

Search for a Charged Partner of the X(3872) in the B Meson Decay $B \to X^- K, X^- \to J/\psi\pi^-\pi^0$ (2006)

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...

Measurement of the Ratio $\cal{B}(B^- \to D*^0 K^-)/\cal{B}(B^- \to D*^0 \pi^-)$ and of the CP Asymmetry of $B^- \to D*^0_{CP^+} K^-$ Decays (2006)

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-...

Search for a Charged Partner of the X(3872) in the B Meson Decay $B \to X^- K, X^- \to J/\psi\pi^-\pi^0$ (2006)

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...

Measurement of the Ratio $\cal{B}(B^- \to D*^0 K^-)/\cal{B}(B^- \to D*^0 \pi^-)$ and of the CP Asymmetry of $B^- \to D*^0_{CP^+} K^-$ Decays (2006)

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-...

Measuring the expressed abundance of the three phases of water with an imaging spectrometer over melting snow (2006)

Green, R. O, Painter, T. H, Roberts, D. A, Dozier, J.

From imaging spectrometer data, we simultaneously estimate the abundance of the three phases of water in an environment that includes melting snow, basing the analysis on the spectral shift in the...

Green Bank Telescope observations of IC 443 : the nature of OH (1720 MHz) masers and OH absorption (2006)

Hewitt, J. W, Yusef-Zadeh, F, Wardle, M, Roberts, D. A, Kassim, N. E

We present spectral line observations of the ground-state transitions of hydroxyl (OH) toward supernova remnant (SNR) IC 443 carried out with the Green Bank Telescope. Weak, extended OH (1720 MHz)...

Green Bank Telescope observations of IC 443 : the nature of OH (1720 MHz) masers and OH absorption (2006)

Hewitt, J. W, Yusef-Zadeh, F, Wardle, M, Roberts, D. A, Kassim, N. E

We present spectral line observations of the ground-state transitions of hydroxyl (OH) toward supernova remnant (SNR) IC 443 carried out with the Green Bank Telescope. Weak, extended OH (1720 MHz)...

The (t,3He) and (3He,t) reactions as probes of Gamow-Teller strength (2005)

Zegers, R. G. T., Akimune, H., Austin, Sam M., Bazin, D., Berg, G. P. A., ...

Charge-exchange reactions are an important tool for determining weak-interaction rates. They provide stringent tests for nuclear structure models necessary for modeling astrophysical environments...

A search for the decay $B^+ \to K^+ \nu \bar{\nu}$ (2005)

Aubert, B., Barate, R., Boutigny, D., Couderc, F., Gaillard, J.M., Karyotakis, Y., ...

We search for the rare flavor-changing neutral-current decay $B^+ \to K^+ \nu \bar{\nu}$ in a data sample of 82 fb$^{-1}$ collected with the {\sl BABAR} detector at the PEP-II B-factory. Signal...

Time-integrated and time-dependent angular analyses of B-->J/psiKpi : A measurement of cos2beta with no sign ambiguity from strong phases (2005)

Aubert, B., Barate, R., Boutigny, D., Couderc, F., Gaillard, J.M., Karyotakis, Y., ...

We present results on $B\to J/\psi\xspace K\pi$ decays using $e^+e^-$ annihilation data collected with the BABAR detector at the $\Upsilon(4S)$ resonance. The detector is located at the PEP-II...

A search for the decay $B^+ \to K^+ \nu \bar{\nu}$ (2005)

Aubert, B., Barate, R., Boutigny, D., Couderc, F., Gaillard, J.M., Karyotakis, Y., ...

We search for the rare flavor-changing neutral-current decay $B^+ \to K^+ \nu \bar{\nu}$ in a data sample of 82 fb$^{-1}$ collected with the {\sl BABAR} detector at the PEP-II B-factory. Signal...

Time-integrated and time-dependent angular analyses of B-->J/psiKpi : A measurement of cos2beta with no sign ambiguity from strong phases (2005)

Aubert, B., Barate, R., Boutigny, D., Couderc, F., Gaillard, J.M., Karyotakis, Y., ...

We present results on $B\to J/\psi\xspace K\pi$ decays using $e^+e^-$ annihilation data collected with the BABAR detector at the $\Upsilon(4S)$ resonance. The detector is located at the PEP-II...

A search for the decay $B^+ \to K^+ \nu \bar{\nu}$ (2005)

Aubert, B., Barate, R., Boutigny, D., Couderc, F., Gaillard, J.M., Karyotakis, Y., ...

We search for the rare flavor-changing neutral-current decay $B^+ \to K^+ \nu \bar{\nu}$ in a data sample of 82 fb$^{-1}$ collected with the {\sl BABAR} detector at the PEP-II B-factory. Signal...

Time-integrated and time-dependent angular analyses of B-->J/psiKpi : A measurement of cos2beta with no sign ambiguity from strong phases (2005)

Aubert, B., Barate, R., Boutigny, D., Couderc, F., Gaillard, J.M., Karyotakis, Y., ...

We present results on $B\to J/\psi\xspace K\pi$ decays using $e^+e^-$ annihilation data collected with the BABAR detector at the $\Upsilon(4S)$ resonance. The detector is located at the PEP-II...

Branching Fractions and CP Asymmetries in $B^0 \to K^+ K^- K^0_S$ and $B^+ \to K^+ K^0_S K^0_S$ (2005)

Aubert, B., Barate, R., Boutigny, D., Couderc, F., Gaillard, J.M., Hicheur, A., ...

We measure the branching fractions and CP asymmetries in the decays B0 --> K+K-K0S and B+ --> K+K0S K0S using a sample of approximately 122 million BBbar pairs collected by the BaBar detector. From a...

Search for B-Meson Decays to Two-Body Final States with $a_0(980)$ Mesons (2005)

Aubert, B., Barate, R., Boutigny, D., Couderc, F., Gaillard, J.M., Hicheur, A., ...

We present a search for B decays to charmless final states involving charged or neutral a0 mesons. The data sample corresponds to 89 million BBbar pairs collected with the BABAR detector operating at...

Search for B-Meson Decays to Two-Body Final States with $a_0(980)$ Mesons (2005)

Aubert, B., Barate, R., Boutigny, D., Couderc, F., Gaillard, J.M., Hicheur, A., ...

We present a search for B decays to charmless final states involving charged or neutral a0 mesons. The data sample corresponds to 89 million BBbar pairs collected with the BABAR detector operating at...

Branching Fractions and CP Asymmetries in $B^0 \to K^+ K^- K^0_S$ and $B^+ \to K^+ K^0_S K^0_S$ (2005)

Aubert, B., Barate, R., Boutigny, D., Couderc, F., Gaillard, J.M., Hicheur, A., ...

We measure the branching fractions and CP asymmetries in the decays B0 --> K+K-K0S and B+ --> K+K0S K0S using a sample of approximately 122 million BBbar pairs collected by the BaBar detector. From a...

Search for B-Meson Decays to Two-Body Final States with $a_0(980)$ Mesons (2005)

Aubert, B., Barate, R., Boutigny, D., Couderc, F., Gaillard, J.M., Hicheur, A., ...

We present a search for B decays to charmless final states involving charged or neutral a0 mesons. The data sample corresponds to 89 million BBbar pairs collected with the BABAR detector operating at...

Branching Fractions and CP Asymmetries in $B^0 \to K^+ K^- K^0_S$ and $B^+ \to K^+ K^0_S K^0_S$ (2005)

Aubert, B., Barate, R., Boutigny, D., Couderc, F., Gaillard, J.M., Hicheur, A., ...

We measure the branching fractions and CP asymmetries in the decays B0 --> K+K-K0S and B+ --> K+K0S K0S using a sample of approximately 122 million BBbar pairs collected by the BaBar detector. From a...

Effects of channel morphology and sensor spatial resolution on image-derived depth estimates (2005)

Legleiter, Carl J., Roberts, D A

The utility of remote sensing in the study of fluvial systems depends upon the extent to which image data can be used to derive quantitative information of sufficient accuracy and precision for...

Plasma sheet turbulence observed by cluster II (2005)

Weygand, J M, Kivelson, M G, Khurana, K K, Schwarzl, H K, Thompson, S M, McPherron, R L, ...

[1] Cluster fluxgate magnetometer (FGM) and ion spectrometer (CIS) data are employed to analyze magnetic field fluctuations within the plasma sheet during passages through the magnetotail region in...

Passive optical remote sensing of river channel morphology and in-stream habitat: Physical basis and feasibility (2004)

Legleiter, C J, Roberts, D A, Marcus, W A, Fonstad, M A

Successful monitoring of ecologically significant, vulnerable fluvial systems will require improved quantitative techniques for mapping channel morphology and in-stream habitat. In this study, we...

Small-footprint lidar estimation of sub-canopy elevation and tree height in a tropical rain forest landscape (2004)

Clark, M L, Clark, D B, Roberts, D A

Meso-scale digital terrain models (DTMs) and canopy-height estimates, or digital canopy models (DCMs), are two lidar products that have immense potential for research in tropical rain forest (TRF)...

Measurement of the branching fraction for $B^- \to D^0 K^{*-}$ (2004)

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

We present a measurement of the branching fraction for the decay B- --> D0 K*- using a sample of approximately 86 million BBbar pairs collected by the BaBar detector from e+e- collisions near the...

Measurement of the branching fraction for $B^- \to D^0 K^{*-}$ (2004)

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

We present a measurement of the branching fraction for the decay B- --> D0 K*- using a sample of approximately 86 million BBbar pairs collected by the BaBar detector from e+e- collisions near the...

Measurement of the branching fraction for $B^- \to D^0 K^{*-}$ (2004)

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

We present a measurement of the branching fraction for the decay B- --> D0 K*- using a sample of approximately 86 million BBbar pairs collected by the BaBar detector from e+e- collisions near the...

Observation of a significant excess of $\pi^{0}\pi^{0}$ events in B meson decays (2003)

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

We present an observation of the decay $B^{0} \to \pi^{0} \pi^{0}$ based on a sample of 124 million $B\bar{B}$ pairs recorded by the BABAR detector at the PEP-II asymmetric-energy $B$ Factory at...

Observation of a significant excess of $\pi^{0}\pi^{0}$ events in B meson decays (2003)

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

We present an observation of the decay $B^{0} \to \pi^{0} \pi^{0}$ based on a sample of 124 million $B\bar{B}$ pairs recorded by the BABAR detector at the PEP-II asymmetric-energy $B$ Factory at...

Observation of a significant excess of $\pi^{0}\pi^{0}$ events in B meson decays (2003)

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

We present an observation of the decay $B^{0} \to \pi^{0} \pi^{0}$ based on a sample of 124 million $B\bar{B}$ pairs recorded by the BABAR detector at the PEP-II asymmetric-energy $B$ Factory at...

Thermal OH (1667/1665 MHz) absorption and nonthermal OH (1720 MHz) emission toward the W28 supernova remnant (2003)

Yusef-Zadeh, F, Wardle, M, Roberts, D. A

The W28 supernova remnant (SNR) is an excellent prototype for observing shocked gas resulting from the interaction of SNRs and adjacent molecular clouds (MCs). We present two new signatures of...

Astronomical Data Analysis Software and Systems VIII (2003)

Asp Conference Series, D. M. Mehringer, R. L. Plante, D. A. Roberts

The Gemini Telescopes Data Handling System (DHS), developed by the Canadian Astronomy Data Centre, consists of eight server programs, a graphical user interface (GUI) and a tool for displaying...

Penguin Mediated B Decays at BABAR (2002)

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

We report on preliminary results of searches for penguin mediated B decays based on 20.7 fb^{-1} of data collected at the Y(4S) peak with the BABAR detector at PEP-II. The following branching...

Measurement of the CP-Violating Asymmetry Amplitude sin2$\beta$ (2002)

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

We present results on time-dependent CP-violating asymmetries in neutral B decays to several CP eigenstates. The measurements use a data sample of about 88 million Y(4S) --> B Bbar decays collected...

Penguin Mediated B Decays at BABAR (2002)

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

We report on preliminary results of searches for penguin mediated B decays based on 20.7 fb^{-1} of data collected at the Y(4S) peak with the BABAR detector at PEP-II. The following branching...

Measurement of the CP-Violating Asymmetry Amplitude sin2$\beta$ (2002)

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

We present results on time-dependent CP-violating asymmetries in neutral B decays to several CP eigenstates. The measurements use a data sample of about 88 million Y(4S) --> B Bbar decays collected...

Penguin Mediated B Decays at BABAR (2002)

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

We report on preliminary results of searches for penguin mediated B decays based on 20.7 fb^{-1} of data collected at the Y(4S) peak with the BABAR detector at PEP-II. The following branching...

Measurement of the CP-Violating Asymmetry Amplitude sin2$\beta$ (2002)

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

We present results on time-dependent CP-violating asymmetries in neutral B decays to several CP eigenstates. The measurements use a data sample of about 88 million Y(4S) --> B Bbar decays collected...

Measurement of the decays $B\to\phi K$ and $B\to\phi K*$ (2001)

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

We have observed the decays B-->phi K and phi K^* in a sample of over 45 million B mesons collected with the BABAR detector at the PEP-II collider. The measured branching fractions are BF(B^+ --> phi...

Measurement of the decays $B\to\phi K$ and $B\to\phi K*$ (2001)

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

We have observed the decays B-->phi K and phi K^* in a sample of over 45 million B mesons collected with the BABAR detector at the PEP-II collider. The measured branching fractions are BF(B^+ --> phi...

Measurement of the decays $B\to\phi K$ and $B\to\phi K*$ (2001)

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

We have observed the decays B-->phi K and phi K^* in a sample of over 45 million B mesons collected with the BABAR detector at the PEP-II collider. The measured branching fractions are BF(B^+ --> phi...

The Distributed Astronomical Preprint Service (1999)

D. M. Mehringer, R. L. Plante, D. A. Roberts, J. E. Huizinga, Robert J. Hanisch, H. E. Payne, ...

. We have developed a prototype distributed preprint service. The system is hierarchical, with identical software at each node. Site maintenance tools written in Java allow information providers to...

Selective area epitaxy for integrated optics. (1989)

Roberts, D. A.

Thesis (Ph. D.)--University of Sheffield, 1989.

Calibration of Large BGO and NAI Detectors Using 270 MeV 3-He Ions (1986)

Becchetti, F.D., Roberts, D.A., Shaheen, S.A.

This research was sponsored by the National Science Foundation Grant NSF PHY 87-14406