11 research outputs found

    Measurement of (anti)deuteron and (anti)proton production in DIS at HERA

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    The first observation of (anti)deuterons in deep inelastic scattering at HERA has been made with the ZEUS detector at a centre-of-mass energy of 300--318 GeV using an integrated luminosity of 120 pb-1. The measurement was performed in the central rapidity region for transverse momentum per unit of mass in the range 0.3<p_T/M<0.7. The particle rates have been extracted and interpreted in terms of the coalescence model. The (anti)deuteron production yield is smaller than the (anti)proton yield by approximately three orders of magnitude, consistent with the world measurements.Comment: 26 pages, 9 figures, 5 tables, submitted to Nucl. Phys.

    Empirical and physics-based calculations of physical&ndash;chemical properties.

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    Predictive methods for physical&ndash;chemical properties are commonly used during the early stage of drug discovery, notably when identifying promising lead structures for development. This article begins with a historical overview of these methods, and background information about the role of physical&ndash;chemical properties in medicinal chemistry. Then, after a brief analysis of methodological approaches, we provide a comprehensive review of state-of-the-art approaches and their applications in the modeling of the most important and challenging properties

    Long term effects of Chernobyl contamination on DNA repair function and plant resistance to different biotic and abiotic stress factors

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