2,395 research outputs found

    Bis(3,5-dicarboxy­benzoato-κ2 O,O′)(1,10-phenanthroline-κ2 N,N′)cadmium(II)

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    The mol­ecule of the title compound, [Cd(C9H5O6)2(C12H8N2)], has crystallographic twofold rotation symmetry. The CdII atom, located on the twofold axis, assumes a CdO4N2 distorted octa­hedral coordination geometry. In the crystal structure, the mol­ecules link to each other by O—H⋯O and C—H⋯O hydrogen bonding to form a three-dimensional supra­molecular network

    Muon mass correction in partial wave analyses of charmed meson semi-leptonic decays

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    We derive the parameterization formula for partial wave analyses of charmed meson semi-leptonic decays with consideration of the effects caused by the lepton mass. As the proposed super-tau-charm factory will reach much enhanced luminosity and BESIII is taking ψ(3770)DDˉ\psi(3770)\to D\bar{D} data, our results are helpful to improve the measurement precision of future partial wave analyses of charmed meson semi-muonic decays

    Collection of anthropometry from older and physically impaired persons: traditional methods versus TC2 3-D body scanner

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    With advances in technology it is now possible to collect a wide range of anthropometric data, to a high degree of accuracy, using 3D light-based body scanners. This gives the potential to speed up the collection of anthropometric data for design purposes, to decrease processing time and data input required, and to reduce error due to inaccuracy of measurements taken using more traditional methods and equipment (anthropometer, stadiometer and sitting height table). However, when the data collection concerns older and/or physically impaired people there are serious issues for consideration when deciding on the best method to collect anthropometry. This paper discusses the issues arising when collecting data using both traditional methods of data collection and a first use by the experimental team of the TC2 3D body scanner, when faced with a ‘non-standard’ sample, during an EPSRC funded research project into issues surrounding transport usage by older and physically impaired people. Relevance to industry: Designing products, environments and services so that the increasing ageing population, as well as the physically impaired, can use them increases the potential market. To do this, up-to-date and relevant anthropometry is often needed. 3D light-based bodyscanners offer a potential fast way of obtaining this data, and this paper discusses some of the issues with using one scanner with older and disabled people

    Enhancement of baryon-to-meson ratios around jets as a signature of medium response

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    We present a unique signal of jet-induced medium excitations: the enhancement of baryon-to-meson ratios around the quenched jets. To illustrate this, we study jet-particle correlations and the distributions of jet-induced identified particles with respect to the jet direction in Pb+Pb collisions at the LHC via a multi-phase transport model. We find a strong enhancement of baryon-to-meson ratios for associated particles at intermediate transverse momentum around the triggered jets in Pb+Pb collisions relative to p+p collisions, due to the coalescence of jet-excited medium partons. Since the lost energy from jets can diffuse to large angles, such baryon-to-meson-ratio enhancement is more pronounced for larger relative distance from the jet axis. We argue that the experimental confirmation of the enhancement of jet-induced baryon-to-meson ratios around the jets will provide an unambiguous evidence for the medium response to jet quenching in heavy-ion collisions.Comment: 6 pages, 3 figure

    Epididymis rhabdomyoma: A case report and literature review

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    Genital rhabdomyoma is very rare tumor that usually occurs in the vulvar of young women. Epididymis rhabdomyoma in a young man is extremely uncommon and has rarely been reported. Here, we report a case of epididymis rhabdomyoma of a 17-year-old man and review the literatures. VIRTUAL SLIDE: The virtual slide(s) for this article can be found here: http://www.diagnosticpathology.diagnomx.eu/vs/117762822469279

    Photo-production of lowest Σ1/2\Sigma^*_{1/2^-} state within the Regge-effective Lagrangian approach

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    Since the lowest Σ\Sigma^{*} state, with quantum numbers spin-parity JP=1/2J^{P} =1/2^{-}, is far from established experimentally and theoretically, we have performed a theoretical study on the Σ1/2\Sigma^*_{1/2^-} photo-production within the Regge-effective Lagrangian approach. Taking into account that the Σ1/2\Sigma^*_{1/2^-} couples to the KˉN\bar{K}N channel, we have considered the contributions from the tt-channel KK exchange diagram. Moreover, these contributions from tt-channel KK^* exchange, ss-channel nucleon pole, uu-channel Σ\Sigma exchange, and the contact term, are considered. The differential and total cross sections of the process γnK+Σ1/2\gamma n \to K^{+}\Sigma^{*-}_{1/2^-} are predicted with our model parameters. The results should be helpful to search for the Σ1/2\Sigma^*_{1/2^-} state experimentally in future.Comment: 7 pages, 4 figure
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