2018arXiv (Cornell University)Open access

Searches for h(125) properties beyond the Standard Model at the CMS\n experiment

Teresa Lenz

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Abstract

The discovered Higgs boson with a mass of 125 GeV exhibits properties which\nare all in agreement with Standard Model predictions. However, the\ncorresponding measurements still allow for a considerable non-Standard Model\nbehavior of the h(125). Beyond Standard Model properties can show up in\nnon-Standard Model decays of the h(125) or in anomalous couplings of the Higgs\nboson. This article presents four different analyses done at the CMS experiment\nwith 2012 and 2016 data that search for properties of the discovered Higgs\nboson beyond the Standard Model. These include a search for lepton flavor\nviolating Higgs decays, a search for decays of the h(125) to light Higgs\nbosons, a search for anomalous contributions to the Higgs trilinear\nself-coupling, and finally a search for anomalous couplings of the h(125) to\nvector bosons.\n

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The discovered Higgs boson with a mass of 125 GeV exhibits properties which\nare all in agreement with Standard Model predictions. However, the\ncorresponding measurements still allow for a considerable non-Standard Model\nbehavior of the h(125). Beyond Standard Model properties can show up in\nnon-Standard Model decays of the h(125) or in anomalous couplings of the Higgs\nboson. This article presents four different analyses done at the CMS experiment\nwith 2012 and 2016 data that search for properties of the discovered Higgs\nboson beyond the Standard Model. These include a search for lepton flavor\nviolating Higgs decays, a search for decays of the h(125) to light Higgs\nbosons, a search for anomalous contributions to the Higgs trilinear\nself-coupling, and finally a search for anomalous couplings of the h(125) to\nvector bosons.\n

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Available abstract

The discovered Higgs boson with a mass of 125 GeV exhibits properties which\nare all in agreement with Standard Model predictions. However, the\ncorresponding measurements still allow for a considerable non-Standard Model\nbehavior of the h(125). Beyond Standard Model properties can show up in\nnon-Standard Model decays of the h(125) or in anomalous couplings of the Higgs\nboson. This article presents four different analyses done at the CMS experiment\nwith 2012 and 2016 data that search for properties of the discovered Higgs\nboson beyond the Standard Model. These include a search for lepton flavor\nviolating Higgs decays, a search for decays of the h(125) to light Higgs\nbosons, a search for anomalous contributions to the Higgs trilinear\nself-coupling, and finally a search for anomalous couplings of the h(125) to\nvector bosons.\n

Key concepts: Higgs boson, Particle physics, Physics, Standard Model (mathematical formulation), Boson, Physics beyond the Standard Model, Lepton, Vector boson

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