36,146 research outputs found

    QED X QCD Exponentiation: Shower/ME Matching and IR-Improved DGLAP Theory at the LHC

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    We discuss the elements of QED X QCD exponentiation and its interplay with shower/ME matching and IR-improved DGLAP theory in precision LHC physics scenarios. Applications to single heavy gauge boson production at hadron colliders are illustrated.Comment: 5 pages, 1 figure; presented by B.F.L. Ward at ICHEP0

    Precision Electro-Weak and Hadronic Luminosity Calculations

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    We have used YFS Monte Carlo techniques to obtain per-mil level accuracy for the Bhabha scattering cross section used in the luminosity monitor in electro-weak scattering experiments. We will describe techniques for extending these methods for use in the W production luminosity cross section for hadron colliders.Comment: 8 pages (LaTex) with 5 figures (EPS). Presented by S.A. Yost at the Third International Symposium on Quantum Theory and Symmetries, Cincinnati, Sept. 10 - 14, 200

    Estimates of Radiation by Superluminal Neutrinos

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    We show that the more energetic superluminal neutrinos with quadratically dispersed superluminalities \delta=\beta^2-1, for \beta=v/c where v is the neutrino velocity, also lose significant energy to radiation to the \nu+e^-+e^+ final state in travelling from CERN to Gran Sasso as has been shown to occur for those with constant superluminality by Cohen and Glashow if indeed \delta \simeq 5\times 10^{-5}. In addition, we clarify the dependence of such radiative processes on the size of the superluminality.Comment: 6 pages, no figures; text re-arranged for journal purposes; improved references; published version(title changed by Editors

    Agribusiness Extension: The Past, Present, and Future?

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    The IFAMR is publish by (IFAMA) the International Food and Agribusiness Management Association. www.ifama.orgagribusiness extension, future, Agribusiness, Teaching/Communication/Extension/Profession, Q130,
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