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Now showing items 65 - 80 of 61549

  • E&P Notes (January 2016)

    Jacobs Trent   Boschee Pam   Rassenfoss Stephen  

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  • E&P Notes (May 2016)

    Jacobs, Trent; Whitfield, Stephen  

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  • E&P Notes (August 2016)

    Jacobs Trent   Parshall Joel  

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  • E&P Notes (June 2016)

    Jacobs Trent   Whitfield Stephen   Rassenfoss Stephen  

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  • E. P. THOMPSON IN AFRICAN HISTORY

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  • E. P. THOMPSON IN AFRICAN HISTORY

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  • Sustainability & The E&P Industry

    Misra, D D  

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  • No Sommerfeld resummation factor in e(+)e(-) -> p(p)over-bar?

    Ferroli, R. Baldini   Pacetti, S.   Zallo, A.  

    The Sommerfeld rescattering formula is compared to the e(+)e(-) -> p (p) over bar BABAR data at threshold and above. While there is the expected Coulomb enhancement at threshold, two unexpected outcomes have been found: the modulus of the proton form factor is normalized to one at threshold, i.e. vertical bar G(p)(4M(p)(2))vertical bar = 1, as a pointlike fermion, and, moreover, data show that the resummation factor in the Sommerfeld formula is not needed. Other e(+)e(-) -> baryon-antibaryon cross-sections show similar behavior near threshold.
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  • George E. P. Box (1919-2013)

    Abraham, Bovas; Steinberg, David  

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  • Threshold e(-) p -> n nu(e) scattering and the electron neutrino mass

    Ciborowski, Jacek   Rembielinski, Jakub  

    The most precise measurement of the electron neutrino mass has been obtained from the shape of the electron energy spectrum near the endpoint in tritium decay. The Mainz and Troitsk experiments indicated an excess instead of expected depletion of counts in that region. Results derived from such measurements are subject to numerous atomic corrections which are absent in the scattering e(-) p -> nv(e). This new idea is presented in the article, with its advantages and difficulties, and is compared to the method of tritium decay.
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  • Measuring anomalousWtbcouplings at\\(e^-p\\)collider

    Dutta, Sukanta   Goyal, Ashok   Kumar, Mukesh   Mellado, Bruce  

    We study the accuracy with which the lowest order CP conserving anomalous Wtb couplings in the single top-quark production at the proposed large hadron electron collider can be probed. The one-dimensional distribution of various kinematic observables at the parton level MC and their asymmetries arising due to the presence of anomalous couplings both in the hadronic and leptonic W decay is examined. We find that at 95 % CL the anomalous coupling associated with the left-handed vector current can be measured at an accuracy of the order of \(\sim \)10\(^{-2}\)–10\(^{-3}\), while those associated with the right-handed vector and left- as well as right-handed tensor currents have a sensitivity at the order of \(\sim \)10\(^{-1}\)–10\(^{-2}\) for the systematic uncertainty varying between 10–1 % at an integrated luminosity of 100 fb\(^{-1}\). A comprehensive analysis of the combined covariance matrix derived from all one-dimensional distributions of kinematical observables is used to compute the errors in the anomalous couplings.
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  • E&P Notes (June 2015)

    Betz, Jack   Jacobs, Trent  

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  • E&P Notes (January 2015)

    Jacobs, Trent   Betz, Jack  

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  • E&P Notes (March 2015)

    Jacobs, Trent   Betz, Jack  

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  • E&P Notes (September 2015)

    Betz, Jack   Rassenfoss, Stephen   Jacobs, Trent  

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  • E&P Notes (November 2015)

    Jacobs, Trent; Rassenfoss, Stephen; Henni, Abdelghani  

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