85 research outputs found

    Stability of the Scalar Potential and Symmetry Breaking in the Economical 3-3-1 Model

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    A detailed study of the criteria for stability of the scalar potential and the proper electroweak symmetry breaking pattern in the economical 3-3-1 model, is presented. For the analysis we use, and improve, a method previously developed to study the scalar potential in the two-Higgs-doublet extension of the standard model. A new theorem related to the stability of the potential is stated. As a consequence of this study, the consistency of the economical 3-3-1 model emerges.Comment: to be published in EPJ C, 13 page

    Scalar Potential Without Cubic Term in 3-3-1 Models Without Exotic Electric Charges

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    A detailed study of the criteria for stability of the scalar potential, and the proper electroweak symmetry breaking pattern in some 3-3-1 models without exotic electric charges is presented. In this paper we concentrate in a scalar sector with three Higgs scalar triplets, with a potential that does not include the cubic term, due to the presence of a discrete symmetry. For the analysis we use, and improve, a method previously developed to study the scalar potential in the two-Higgs-doublet extension of the standard model. Our main result is to show the consistency of those 3-3-1 models without exotic electric charges.Comment: 19 page

    Observation of a new boson at a mass of 125 GeV with the CMS experiment at the LHC

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    A randomised prospective and retrospective study of biological plating for tibial fractures

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    A series of 30 patients of proximal and distal tibial fractures treated with minimally invasive techniques have been reviewed after surgery to study the results of fractures of proximal and distal tibia with biological plating. We have scored proximal tibial fractures according to Rasmussen scale and distal tibial fractures by Tenny and Wiss scale. Out of 30 patients, 4 had excellent, 15 had good, 7 patient had fair, and 3 had poor results. Two patients had superficial wound infection and two patients had deep infections. This minimally invasive technique for treatment of distal tibial fractures proves to be a feasible and worthwhile method of stabilization while avoiding the severe complications associated with the more standard methods of internal or external fixation of these fractures
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