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Federico Meloni (INFN Milano)21/03/2014 19:30YSF (Young Scientists Forum)
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Jérémie Quevillon (LPT)21/03/2014 19:38TheoryYSF (Young Scientists Forum)We analyze the Minimal Supersymmetric extension of the Standard Model that we have after the discovery of the Higgs boson at the LHC, i.e. a model in which the lighter h boson has a mass of approximately 125 GeV which, together with the non-observation of superparticles at the LHC, indicates that the SUSY-breaking scale MS is rather high. We first demonstrate that the value Mh≈125 GeV fixes...Go to contribution page
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M. Nils Ruthmann (Universitaet Freiburg)21/03/2014 19:46YSF (Young Scientists Forum)After the discovery of a Higgs boson in the $\gamma\gamma$, $ZZ^{*}$ and $WW^{*}$ final states in 2012, the search for leptonic decay modes plays a crucial role in the identification of this particle as the Standard Model Higgs boson. Tau leptons, as the heaviest charged leptons do contribute significantly to the decay width of a SM Higgs boson of mass $m_H = 125.5$ GeV. Recent results on...Go to contribution page
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M. Philip Sommer (Albert-Ludwigs-Universität Freiburg)21/03/2014 19:54ExperimentYSF (Young Scientists Forum)Isolated, high-energy electrons constitute a very clean signature at hadron collider experiments. As the final states of many Standard Model processes, as well as physics beyond the Standard Model, electrons are a vital part of the ATLAS physics program. A precise knowledge of the efficiency to correctly reconstruct and identify these electrons is thus important. In this contribution the...Go to contribution page
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M. David Marzocca (SISSA)21/03/2014 20:02TheoryYSF (Young Scientists Forum)We study deformations of the SM via higher dimensional operators. Focusing on bosonic operators relevant for electroweak and scalar boson physics, we compute their one-loop RG scaling equations. Assuming absence of tuning or correlations, these allow us to derive RG-induced bounds, stronger than the direct constraints, on some SM scalar boson couplings and anomalous triple gauge couplings. Any...Go to contribution page
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Caterina Vernieri (Scuola Normale Superiore, Pisa)21/03/2014 20:10YSF (Young Scientists Forum)
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M. Arun Kumar (University of Delhi, India)21/03/2014 20:18YSF (Young Scientists Forum)A search for a heavy Higgs boson in the H->ZZ->2l2nu decay channel, where l = e or μ, in pp collisions at a center-of-mass energy of both 7 and 8 TeV is presented. The search is optimised separately for the vector boson fusion and the gluon fusion production processes. No significant excess is observed above the background expectation. A re-interpretation of the results as a search for an...Go to contribution page
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Riccardo Manzoni (INFN Milano Bicocca)21/03/2014 20:26YSF (Young Scientists Forum)A search for the standard model Higgs boson decaying into a pair of tau leptons is performed using events recorded by the CMS experiment at the LHC in 2011 and 2012. The dataset corresponds to an integrated luminosity of 4.9/fb at a centre-of-mass energy of 7 TeV and 19.7/fb at 8 TeV. An excess of events is observed over the expected background contributions, with a local significance larger...Go to contribution page
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Otto Eberhardt (INFN)21/03/2014 20:34TheoryYSF (Young Scientists Forum)After the Higgs boson discovery at the LHC one of the main questions is whether the Standard Model Higgs sector is really minimal. A very popular extension of the Standard Model is the two-Higgs-doublet model of type II (2HDM). In a global analysis of this model large parts of the parameter space can be excluded by taking into account LHC Higgs search results, electroweak precision observables...Go to contribution page
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