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A complete one-loop description of associated tW production at LHC and a search for possible genuine supersymmetric effects

Abstract : We compute, in the MSSM framework, the sum of the one-loop electroweak and of the total QED radiation effects for the process $pp \to t W+X$, initiated by the parton process $bg\to tW$. Combining these terms with the existing NLO calculations of SM and SUSY QCD corrections, we analyze the overall one-loop supersymmetric effects on the partial rates of the process, obtained by integrating the differential cross section up to a final variable invariant mass. We conclude that, for some choices of the SUSY parameters and for relatively small final invariant masses, they could become relevant under realistic experimental conditions at LHC.
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http://hal.in2p3.fr/in2p3-00149106
Contributor : Francoise Duceau <>
Submitted on : Thursday, May 24, 2007 - 2:26:13 PM
Last modification on : Saturday, June 20, 2020 - 4:18:04 PM

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M. Beccaria, C. M. Carloni Calame, G. Macorini, G. Montagna, F. Piccinini, et al.. A complete one-loop description of associated tW production at LHC and a search for possible genuine supersymmetric effects. European Physical Journal C: Particles and Fields, Springer Verlag (Germany), 2007, 53/2, pp.257-265. ⟨10.1140/epjc/s10052-007-0452-y⟩. ⟨in2p3-00149106⟩

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