1,205 research outputs found

    Hadronic resonance production with the ALICE experiment in pp and Pb-Pb collisions at LHC energies

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    Hadronic resonances K(892)0\mathrm{K}^{*}(892)^{0}, ϕ\phi(1020) and Σ(1385)±\Sigma(1385)^{\pm} have been measured by the ALICE experiment in pp collisions at s=7\sqrt{s}=7 TeV and in Pb-Pb collisions at sNN=2.76\sqrt{s_{_\mathrm{NN}}}=2.76 TeV. Transverse momentum spectra, particle ratios, nuclear modification factor and comparison with model predictions are discussed. In addition, ALICE results are compared with data obtained at RHIC energy.Comment: 3 pages, 3 figures, Proceedings of 16th Lomonosov Conference on Elementary Particle Physics, Moscow, 22/08/2013 - 28/08/201

    Hadronic resonance production with ALICE at the LHC

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    We present recent results on short-lived hadronic resonances obtained by the ALICE experiment at LHC energies. Results include system-size and collision-energy evolution of transverse momentum spectra, yields and ratios of resonance yields to those of longer lived particles, and nuclear modification factors. The results are compared with model predictions and measurements at lower energies

    Eliminating fuzzy duplicates in crowdsourced lexical resources

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    Collaboratively created lexical resources is a trending approach to creating high quality thesauri in a short time span at a remarkably low price. The key idea is to invite non-expert participants to express and share their knowledge with the aim of constructing a resource. However, this approach tends to be noisy and error-prone, thus making data cleansing a highly topical task to perform. In this paper, we study different techniques for synset deduplication including machine- and crowd-based ones. Eventually, we put forward an approach that can solve the deduplication problem fully automatically, with the quality comparable to the expert-based approach

    Реорганизация территории шелкоткацкой фабрики «Красная Роза» в Москве

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    The article reviews reorganization of the territory of the Silk-Weaving Factory “Red Rose” in Moscow’s Khamovnichesky district. It presents the concept for transformation of an unprofitable Soviet enterprise into a multifunctional business center. It studies the cases that occurred during designing and realization of the project, as well as interaction with investors, clients and partners.Рассматривается реорганизация территории шелкопрядильной фабрики «Красная Роза» в Хамовническом районе Москвы. Излагается концепция превращения нерентабельного советского производства в многофункциональный бизнес-центр. Описываются ситуации, возникавшие в процессе проектирования и реализации проекта, опыт взаимодействия с инвесторами, заказчиками партнерами

    Age-related differences in reaction time task performance in young children

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    Performance of reaction time (RT) tasks was investigated in young children and adults to test the hypothesis that age-related differences in processing speed supersede a “global” mechanism and are a function of specific differences in task demands and processing requirements. The sample consisted of 54 4-year-olds, 53 5-year-olds, 59 6-year-olds, and 35 adults from Russia. Using the regression approach pioneered by Brinley and the transformation method proposed by Madden and colleagues and Ridderinkhoff and van der Molen, age-related differences in processing speed differed among RT tasks with varying demands. In particular, RTs differed between children and adults on tasks that required response suppression, discrimination of color or spatial orientation, reversal of contingencies of previously learned stimulus–response rules, and greater stimulus–response complexity. Relative costs of these RT task differences were larger than predicted by the global difference hypothesis except for response suppression. Among young children, age-related differences larger than predicted by the global difference hypothesis were evident when tasks required color or spatial orientation discrimination and stimulus–response rule complexity, but not for response suppression or reversal of stimulus–response contingencies. Process-specific, age-related differences in processing speed that support heterochronicity of brain development during childhood were revealed
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