58 research outputs found

    Limits on spin-dependent WIMP-nucleon cross-sections from the first ZEPLIN-II data

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    The first underground data run of the ZEPLIN-II experiment has set a limit on the nuclear recoil rate in the two-phase xenon detector for direct dark matter searches. In this paper the results from this run are converted into the limits on spin-dependent WIMP-proton and WIMP-neutron cross-sections. The minimum of the curve for WIMP-neutron cross-section corresponds to 0.07 pb at a WIMP mass of around 65 GeV.Comment: 12 pages, 2 figures, to be published in Physics Letters

    Sport, genetics and the `natural athlete': The resurgence of racial science

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    This article explores the ethical implications of recent discussions that naturalize the relationship between race, the body and sport within the frame of genetic science. Many suggestions of a racially distributed genetic basis for athletic ability and performance are strategically posited as a resounding critique of the `politically correct' meta-narratives of established sociological and anthropological forms of explanation that emphasize the social and cultural construction of race. I argue that this use of genetic science in order to describe and explain common-sense impressions of racial physiology and sporting ability is founded on erroneous premises of objectivity and disinterest, and inflates the analytical efficacy of scientific truth claims. I suggest that assertions of a value-free science of racial athletic ability reify race as inherited permanent biological characteristics that produce social hierarchies and are more characteristic of a longer history of `racial science'

    Transcendental-Phenomenological Proof and Descriptive Metaphysics

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    Following P.F. Strawson's reading of Kant, the majority of the literature on transcendental arguments seeks to divorce such arguments from their original Kantian context. This thesis is concerned with Mark Sacks's recent defence of transcendental arguments, which takes a different approach. A critique is given of Sacks's work and extensions and modifications of his approach are recommended. It is proposed that certain difficulties encountered by Kant's transcendentally-ideal approach can be overcome with Hegelian solutions

    Nucleo-cytoplasmic transport of proteins and RNA in plants

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    Merkle T. Nucleo-cytoplasmic transport of proteins and RNA in plants. Plant Cell Reports. 2011;30(2):153-176.Transport of macromolecules between the nucleus and the cytoplasm is an essential necessity in eukaryotic cells, since the nuclear envelope separates transcription from translation. In the past few years, an increasing number of components of the plant nuclear transport machinery have been characterised. This progress, although far from being completed, confirmed that the general characteristics of nuclear transport are conserved between plants and other organisms. However, plant-specific components were also identified. Interestingly, several mutants in genes encoding components of the plant nuclear transport machinery were investigated, revealing differential sensitivity of plant-specific pathways to impaired nuclear transport. These findings attracted attention towards plant-specific cargoes that are transported over the nuclear envelope, unravelling connections between nuclear transport and components of signalling and developmental pathways. The current state of research in plants is summarised in comparison to yeast and vertebrate systems, and special emphasis is given to plant nuclear transport mutants

    ATLAS detector and physics performance: Technical Design Report, 1

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    Extraction of the gluon density of the proton at x

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    Fans, Racism and British Football in the Twenty-First Century: The Existence of a ‘Colour-Blind’ Ideology

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    This article draws on 2500 responses from association football (soccer) fans to an anonymous online survey examining the extent of racism in British football. The overall findings are that half of all fans are still witnessing or experiencing some form of racism. Despite the creation of anti-racist initiatives, such as Kick It Out, and a reduction in overt chanting, there exists a ‘colour-blind’ ideology amongst the game’s governing bodies and anti-racist organisations, as the extent of the problem is largely being ignored. Fans call for a long-term focus on anti-racism based on engagement and education within a greater range of social settings and, short-term, the implementation of more severe punishments by the game’s governing bodies to eliminate racist behaviour amongst fans, players and clubs. For current and ex-players who continue to receive racial abuse through social media sites like Twitter, fans urge them to report it and place these matters in the hands of the police
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