220,249 research outputs found

    Globalisation, Governance and Ethics: The Main Issues

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    Jaques-Marie Aurifeille, Christopher J. Medlin, Clement A. Tisdell, Jame Gil Lafuente and Jaime Gil Alujahttp://trove.nla.gov.au/work/3869163

    Evidence for the decay B0→J/ψω and measurement of the relative branching fractions of meson decays to J/ψη and J/ψη′

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    First evidence of the B 0 → J / ψ ω decay is found and the B s 0 → J / ψ η and B s 0 → J / ψ η ′ decays are studied using a dataset corresponding to an integrated luminosity of 1.0 fb -1 collected by the LHCb experiment in proton-proton collisions at a centre-of-mass energy of sqrt(s) = 7 TeV. The branching fractions of these decays are measured relative to that of the B 0 → J / ψ ρ 0 decay:frac(B (B 0 → J / ψ ω), B (B 0 → J / ψ ρ 0)) = 0.89 ± 0.19 (stat) - 0.13 + 0.07 (syst),frac(B (B s 0 → J / ψ η), B (B 0 → J / ψ ρ 0)) = 14.0 ± 1.2 (stat) - 1.5 + 1.1 (syst) - 1.0 + 1.1 (frac(f d, f s)),frac(B (B s 0 → J / ψ η ′), B (B 0 → J / ψ ρ 0)) = 12.7 ± 1.1 (stat) - 1.3 + 0.5 (syst) - 0.9 + 1.0 (frac(f d, f s)), where the last uncertainty is due to the knowledge of f d / f s, the ratio of b-quark hadronization factors that accounts for the different production rate of B 0 and B s 0 mesons. The ratio of the branching fractions of B s 0 → J / ψ η ′ and B s 0 → J / ψ η decays is measured to befrac(B (B s 0 → J / ψ η ′), B (B s 0 → J / ψ η)) = 0.90 ± 0.09 (stat) - 0.02 + 0.06 (syst)

    Tarjeta postal, 1902 octubre 23, París, de J. Pérez Gil a Rubén Darío

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    En recto destinatario ms. y "Carte postale"Sumario: Tarjeta postal autógrafa de J. Pérez Gil, disculpándose por faltar a una cita en casa de Darío. Queda con él para el día siguiente para dejar unos librosFuente de ingreso: Adquisición por compra a Luis Díez de Pinedo con intervención y asesoramiento de Dionisio Gamallo Fierros (1965)Archivo personal de Rubén Darío custodiado por Francisca Sánchez del Pozo, en Navalsauz (Ávila

    A Tripartite Post-Recession Rebalancing

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    In this latest Advance & Rutgers Report, entitled “A Tripartite Post-Recession Rebalancing,” Dean James W. Hughes and Professor Joseph J. Seneca deliver an incisive assessment of the current market conditions and obstacles in the path of our economic recovery. They offer a statistical cautionary tale that the private and public sector need to hear and acknowledge in order for the economy to make continued progress.This report was published as Issue Paper Number 7, November 2011, in Advance & Rutgers Report

    [Report to Chief J. E. Curry, by an unknown author #1]

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    Report to Chief J. E. Curry, by an unknown author. The report contains a list of officers who gave depositions to the United States Attorney

    [Report to Chief J. E. Curry, by an unknown author #2]

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    Report to Chief J. E. Curry, by an unknown author. The report contains a list of officers who gave depositions to the United States Attorney

    Murder on the mountain: author talk with Peter J. Wosh

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    Author talk by Peter J. Wosh on May 5th, 2022, on his book, "Murder on the Mountain: crime, passion, and punishment in gilded age New Jersey.

    GIL, J. y Eduardo QUIÑONES

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    Correspondence exchanged among Misters J. Gil, Eduardo Quiñones, President and Secretary of the Club Liberal Miguel Hidalgo of Ciudad Guzmán, Jalisco and Gen. Alvaro Obregón. Misters Gil and Quiñones inform the General about the declarations made against him by the Mayor of Ciudad Guzmán, Mr. Jesús Otero, indicating that he will manipulate the elections. Response of acknowledgement. Mr. Gil requests that military forces be removed from Ciudad Guzmán or that the elections be suspended, because the military will vote in favor of Ignacio Otero, who is not popular in the region. / Correspondencia entre los Srs. J. Gil y Eduardo Quiñones, Presidente y Secretario del Club Liberal Miguel Hidalgo de Ciudad Guzmán, Jal. y el Gral. Alvaro Obregón, en la que los primeros informan al Gral. Obregón sobre las declaraciones hechas en su contra por el Presidente Municipal de Ciudad Guzmán, Sr. Jesús Otero y comentando que manipulará las elecciones. Respuesta de enterado. El Sr. Gil solicita al Gral. Obregón que sean retiradas las fuerzas militares de Ciudad Guzmán o se suspendan las elecciones, ya que votarán en favor de Ignacio Otero quien es impopular en la región

    Measurement of the ratio of prompt χ c to J / ψ production in pp collisions at √s = 7 TeV

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    The prompt production of charmonium χ c and J / ψ states is studied in proton-proton collisions at a centre-of-mass energy of √s = 7 TeV at the Large Hadron Collider. The χ c and J / ψ mesons are identified through their decays χ c → J / ψ γ and J / ψ → μ + μ - using 36 pb - 1 of data collected by the LHCb detector in 2010. The ratio of the prompt production cross-sections for χ c and J / ψ, σ (χ c → J / ψ γ) / σ (J / ψ), is determined as a function of the J / ψ transverse momentum in the range 2 < p T J / ψ < 15 GeV / c. The results are in excellent agreement with next-to-leading order non-relativistic expectations and show a significant discrepancy compared with the colour singlet model prediction at leading order, especially in the low p T J / ψ region

    On the aberration–retardation effects in pulsars

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    The magnetospheric locations of pulsar radio emission region are not well known. The actual form of the so-called radius-to-frequency mapping should be reflected in the aberration-retardation (A/R) effects that shift and/or delay the photons depending on the emission height in the magnetosphere. Recent studies suggest that in a handful of pulsars the A/R effect can be discerned with respect to the peak of the central core emission region. To verify these effects in an ensemble of pulsars, we launched a project analysing multifrequency total intensity pulsar profiles obtained from the new observations from the Giant Meterwave Radio Telescope (GMRT), Arecibo Observatory (AO) and archival European Pulsar Network (EPN) data. For all these profiles, we measure the shift of the outer cone components with respect to the core component, which is necessary for establishing the A/R effect. Within our sample of 23 pulsars, seven show the A/R effects, 12 of them (doubtful cases) show a tendency towards this effect, while the remaining four are obvious counterexamples. The counterexamples and doubtful cases may arise from uncertainties in the determination of the location of the meridional plane and/or the core emission component. Hence, it appears that the A/R effects are likely to operate in most pulsars from our sample. We conclude that in cases where those effects are present the core emission has to originate below the conal emission region
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