385 research outputs found

    Application of Ohio Post-Conviction Procedure - Effect of Prior Judgment On.; Coley v. Alvis

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    In the per curiam decision of Coley v. Alvis\u27 the United States Court of Appeals for the Sixth Circuit reversed an Ohio District Court decision dismissing Coley\u27s petition for habeas corpus for failure to exhaust his state remedies. The circuit Court remanded, stating that it would be futile for petitioner to attempt to void his conviction under the Ohio post-conviction statute because of the narrow limits placed on it by the state courts and that there was consequently no longer any effective state remedy. Since the grounds that petitioner set forth to sustain his writ did not fall within any of the enumerated exceptions recognized by Ohio Supreme Court decisions, the court held that petitioner should be allowed to seek relief in the federal court without appealing the ruling on his writ to the Supreme Court of Ohio

    Dayton Lawyer : Title of Distinction

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    25th anniversary reflectio

    Gas Source Molecular Beam Epitaxy of Compound Semiconductors

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    Contains an introduction and reports on six research projects.Advanced Research Projects Agency Subcontract 284-25041Joint Services Electronics Program Contract DAAL03-92-C-0001National Center for Integrated Photonic Technology Contract 542-381National Science Foundation Grant DMR 92-02957National Science Foundation Contract DMR 92-02957National Science Foundation Grant DMR 90-2293

    Gas Source Molecular Beam Epitaxy of Compound Semiconductors

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    Contains an introduction and reports on seven research projects.Advanced Research Projects Agency Subcontract 284-25041Joint Services Electronics Program Contract DAAL03-92-C-0001Joint Services Electronics Program Grant DAAH-04-95-1-0038National Center for Integrated Photonic Technology Contract 542-381National Center for Integrated Photonic Technology Grant subcontract 652-693U.S. Army Research Office/ AASERT Contract DAAH04-93-G-0175National Science Foundation Grant DMR 92-02957National Science Foundation Grant DMR 92-02957National Science Foundation Grant DMR 90-22933MIT Lincoln Laboratory Contract BX-5411National Science Foundation DMR 94-0033

    Study of BDKπ+πB^{-}\to DK^-\pi^+\pi^- and BDππ+πB^-\to D\pi^-\pi^+\pi^- decays and determination of the CKM angle γ\gamma

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    We report a study of the suppressed BDKπ+πB^-\to DK^-\pi^+\pi^- and favored BDππ+πB^-\to D\pi^-\pi^+\pi^- decays, where the neutral DD meson is detected through its decays to the Kπ±K^{\mp}\pi^{\pm} and CP-even K+KK^+K^- and π+π\pi^+\pi^- final states. The measurement is carried out using a proton-proton collision data sample collected by the LHCb experiment, corresponding to an integrated luminosity of 3.0~fb1^{-1}. We observe the first significant signals in the CP-even final states of the DD meson for both the suppressed BDKπ+πB^-\to DK^-\pi^+\pi^- and favored BDππ+πB^-\to D\pi^-\pi^+\pi^- modes, as well as in the doubly Cabibbo-suppressed DK+πD\to K^+\pi^- final state of the BDππ+πB^-\to D\pi^-\pi^+\pi^- decay. Evidence for the ADS suppressed decay BDKπ+πB^{-}\to DK^-\pi^+\pi^-, with DK+πD\to K^+\pi^-, is also presented. From the observed yields in the BDKπ+πB^-\to DK^-\pi^+\pi^-, BDππ+πB^-\to D\pi^-\pi^+\pi^- and their charge conjugate decay modes, we measure the value of the weak phase to be γ=(7419+20)o\gamma=(74^{+20}_{-19})^{\rm o}. This is one of the most precise single-measurement determinations of γ\gamma to date.Comment: 22 pages, 9 figures; All figures and tables, along with any supplementary material and additional information, are available at https://lhcbproject.web.cern.ch/lhcbproject/Publications/LHCbProjectPublic/LHCb-PAPER-2015-020.htm

    A study of CPCP violation in BDhB^\mp \rightarrow Dh^\mp (h=K,πh=K,\pi) with the modes DKπ±π0D \rightarrow K^\mp \pi^\pm \pi^0, Dπ+ππ0D \rightarrow \pi^+\pi^-\pi^0 and DK+Kπ0D \rightarrow K^+K^-\pi^0

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    An analysis of the decays of BDKB^\mp \rightarrow D K^\mp and BDπB^\mp \rightarrow D \pi^\mp is presented in which the DD meson is reconstructed in the three-body final states Kπ±π0K^\mp \pi^\pm \pi^0, π+ππ0\pi^+ \pi^- \pi^0 and K+Kπ0K^+ K^- \pi^0. Using data from LHCb corresponding to an integrated luminosity of 3.0 fb1^{-1} of pppp collisions, measurements of several CPCP observables are performed. First observations are obtained of the suppressed ADS decay B[πK±π0]DπB^\mp \rightarrow [\pi^\mp K^\pm \pi^0]_D \pi^\mp and the quasi-GLW decay B[K+Kπ0]DπB^\mp \rightarrow [K^+ K^- \pi^0]_D \pi^\mp. The results are interpreted in the context of the unitarity triangle angle γ\gamma and related parameters

    Observation of the Bs0ηηB^0_s\to\eta'\eta' decay

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    The first observation of the Bs0ηηB^0_s\to\eta'\eta' decay is reported. The study is based on a sample of proton-proton collisions corresponding to 3.03.0 fb1{\rm fb^{-1}} of integrated luminosity collected with the LHCb detector. The significance of the signal is 6.46.4 standard deviations. The branching fraction is measured to be [3.31±0.64(stat)±0.28(syst)±0.12(norm)]×105[3.31 \pm 0.64\,{\rm (stat)} \pm 0.28\,{\rm (syst)} \pm 0.12\,{\rm (norm)}]\times10^{-5}, where the third uncertainty comes from the B±ηK±B^{\pm}\to\eta' K^{\pm} branching fraction that is used as a normalisation. In addition, the charge asymmetries of B±ηK±B^{\pm}\to\eta' K^{\pm} and B±ϕK±B^{\pm}\to\phi K^{\pm}, which are control channels, are measured to be (0.2±1.3)%(-0.2 \pm1.3)\% and (+1.7±1.3)%(+1.7\pm1.3)\%, respectively. All results are consistent with theoretical expectations

    Amplitude analysis of B0Dˉ0K+πB^0 \rightarrow \bar{D}^0 K^+ \pi^- decays

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    The Dalitz plot distribution of B0Dˉ0K+πB^0 \rightarrow \bar{D}^0 K^+ \pi^- decays is studied using a data sample corresponding to 3.0fb13.0\rm{fb}^{-1} of pppp collision data recorded by the LHCb experiment during 2011 and 2012. The data are described by an amplitude model that contains contributions from intermediate K(892)0K^*(892)^0, K(1410)0K^*(1410)^0, K2(1430)0K^*_2(1430)^0 and D2(2460)D^*_2(2460)^- resonances. The model also contains components to describe broad structures, including the K0(1430)0K^*_0(1430)^0 and D0(2400)D^*_0(2400)^- resonances, in the KπK\pi S-wave and the DπD\pi S- and P-waves. The masses and widths of the D0(2400)D^*_0(2400)^- and D2(2460)D^*_2(2460)^- resonances are measured, as are the complex amplitudes and fit fractions for all components included in the amplitude model. The model obtained will be an integral part of a future determination of the angle γ\gamma of the CKM quark mixing matrix using B0DK+πB^0 \rightarrow D K^+ \pi^- decays.Comment: 33 pages, 12 figures; updated for publicatio

    Measurement of the branching fraction ratio B(Bc+ψ(2S)π+)/B(Bc+J/ψπ+)\mathcal{B}(B_c^+ \rightarrow \psi(2S)\pi^+)/\mathcal{B}(B_c^+ \rightarrow J/\psi \pi^+)

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    Using pppp collision data collected by LHCb at center-of-mass energies s\sqrt{s} = 7 TeV and 8 TeV, corresponding to an integrated luminosity of 3 fb1^{-1}, the ratio of the branching fraction of the Bc+ψ(2S)π+B_c^+ \rightarrow \psi(2S)\pi^+ decay relative to that of the Bc+J/ψπ+B_c^+ \rightarrow J/\psi\pi^+ decay is measured to be 0.268 ±\pm 0.032 (stat) ±\pm 0.007 (syst) ±\pm 0.006 (BF). The first uncertainty is statistical, the second is systematic, and the third is due to the uncertainties on the branching fractions of the J/ψμ+μJ/\psi \rightarrow \mu^+\mu^- and ψ(2S)μ+μ\psi(2S) \rightarrow \mu^+\mu^- decays. This measurement is consistent with the previous LHCb result, and the statistical uncertainty is halved.Comment: 17 pages including author list, 2 figure
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