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Journals and Conferences
We calculated the electroweak contributions to the hadronic production of a squark in association with a gluino within the Minimal Supersymmetric Standard Model (MSSM). Presented are complete next-to-leading order electroweak (NLO EW) corrections at O(αsα), which include real photon and real quark radiation processes. Also considered are photon induced tree… (More)
We present the complete NLO electroweak contribution of O(α s α) to the production of diagonal squark–anti-squark pairs in proton–proton collisions. Compared to the lowest-order O(αsα + α ) electroweak terms, the NLO contributions are also significant. We discuss the LO and NLO electroweak effects in cross sections and distributions at the LHC for the… (More)
We report on the calculation of the cross section for Higgs boson production in association with three jets via gluon fusion, at next-to-leading-order (NLO) accuracy in QCD, in the infinite top-mass approximation. After including the complete NLO QCD corrections, we observe a strong reduction in the scale dependence of the result, and an increased steepness… (More)
Presented are the complete NLO electroweak contributions to the production of diagonal squark–anti-squark pairs at the LHC. We discuss their effects for the production of squarks of the first two generations, in different SUSY scenarios.
We calculate the full O(αsα) corrections to the process of gluino pair production at hadron colliders in the framework of the real MSSM. We show that these contributions can be neglected at the LHC performing a scan over a wide region of the parameter space. The impact of these corrections in the parameter range investigated at the Tevatron is small.
We present the calculation of the cross section for Higgs boson production in association with a top quark pair plus one jet, at next-to-leading-order accuracy in QCD. All mass dependence is retained without recurring to any approximation. After including the complete next-to-leading-order QCD corrections, we observe a strong reduction in the scale… (More)
Matteo Beccaria and Edoardo Mirabella Dipartimento di Fisica, Università di Lecce, Via Arnesano, 73100 Lecce, Italy. b Istituto Nazionale di Fisica Nucleare, Sezione di Lecce Abstract Electroweak radiative corrections can be evaluated in the Sudakov approximation, a systematic high energy expansion known to be relevant for the analysis of future collider… (More)
— We describe the computation of the O(α) corrections for single top (and single anti-top) production in the t-channel at hadron colliders. We show also The genuine one loop SUSY contribution to these processes. Such contributions are generally quite modest in the mSUGRA scenario. The experimental observables would therefore only practically depend, in this… (More)
We consider the production of squarks and gluinos at hadronic colliders. An overview over the class of processes is given. We investigate in detail the tree-level and higher order EW contributions to the cross sections. Special care has to be taken to obtain infrared finite observables. We study numerically stop–anti-stop and squark–gluino production at the… (More)
We present the tree-level and next-to-leading order (NLO) electroweak (EW) contributions to squark–squark production at the Large Hadron Collider (LHC) within the framework of the Minimal Supersymmetric Standard Model (MSSM).