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ResearchHub is incentivizing healthy research behavior. At this time, first authors of open access papers are eligible for rewards. Visit the publications tab to view your eligible publications.
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Arabella Martelli
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Phenomenological Aspects of Dirichlet Higgs Model from Extra-Dimension
James Angel
et al.
May 13, 2010
We study a simple five-dimensional extension of the Standard Model,compactified on a flat line segment in which there propagate Higgs and gaugebosons of the Standard Model. We impose a Dirichlet boundary condition on theHiggs field to realize its vacuum expectation value. Since a flatNambu-Goldstone zero-mode of the bulk Higgs is eliminated by the Dirichletboundary condition, a superposition of the Higgs Kaluza-Klein modes play therole of the Nambu-Goldstone boson except at the boundaries. We discussphenomenology of our model at the LHC, namely the top Yukawa deviation and theproduction and decay of the physical Higgs field, as well as the constraintsfrom the electroweak precision measurements.
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Probing SUSY CP Violation in Two-Body Stop Decays at the LHC
Nils Carqueville
et al.
May 19, 2009
We study CP asymmetries in two-body decays of top squarks into neutralinosand sleptons at the LHC. These asymmetries are used to probe the CP phasespossibly present in the stop and neutralino sector of the MinimalSupersymmetric Standard Model. Taking into account bounds from experimentalelectric dipole moment searches, we identify areas in the mSUGRA parameterspace where CP asymmetries can be sizeable and discuss the feasibility of theirobservation at the LHC. As a result, potentially detectable CP asymmetries instop decays at the LHC are found, motivating further detailed experimentalstudies for probing SUSY CP phases.
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Combination of inclusive and differential $\mathrm{t}\overline{\mathrm{t}}$ charge asymmetry measurements using ATLAS and CMS data at $\sqrt{s} =$ 7 and 8 TeV
John Hill
et al.
Sep 15, 2017
This paper presents combinations of inclusive and differential measurementsof the charge asymmetry ($A_{\mathrm{C}}$) in top quark pair($\mathrm{t}\overline{\mathrm{t}}$) events with a lepton+jets signature by theATLAS and CMS Collaborations, using data from LHC proton-proton collisions atcentre-of-mass energies of 7 and 8 TeV corresponding to integrated luminositiesof about 5 and 20 fb$^{-1}$ for each experiment, respectively. The resultingcombined LHC measurements of the inclusive charge asymmetry are$A_{\mathrm{C}}^{\mathrm{LHC7}} = 0.005 \pm0.007 \text{ (stat)}\pm0.006 \text{(syst)}$ at 7 TeV and $A_{\mathrm{C}}^{\mathrm{LHC8}} = 0.0055 \pm0.0023\text{(stat)}\pm0.0025\text{ (syst)}$ at 8 TeV. These values, as well as thecombination of $A_{\mathrm{C}}$ measurements as a function of the invariantmass of the $\mathrm{t}\overline{\mathrm{t}}$ system at 8 TeV, are consistentwith the respective standard model predictions.
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