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arxiv: 1604.05324 · v1 · submitted 2016-04-18 · ✦ hep-ph

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The Higgs Portal and Cosmology

Ketevi Assamagan , Chien-Yi Chen , John Paul Chou , David Curtin , Michael A. Fedderke , Yuri Gershtein , Xiao-Gang He , Markus Klute
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Jonathan Kozaczuk Ashutosh Kotwal Steven Lowette Jose Miguel No Tilman Plehn Jianming Qian Michael Ramsey-Musolf Alexei Safonov Jessie Shelton Michael Spannowsky Shufang Su Devin G. E. Walker Stephane Willocq Peter Winslow
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classification ✦ hep-ph
keywords higgsinteractionsportalcosmologydarkelectroweakmatteraddressing
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Higgs portal interactions provide a simple mechanism for addressing two open problems in cosmology: dark matter and the baryon asymmetry. In the latter instance, Higgs portal interactions may contain the ingredients for a strong first order electroweak phase transition as well as new CP-violating interactions as needed for electroweak baryogenesis. These interactions may also allow for a viable dark matter candidate. We survey the opportunities for probing the Higgs portal as it relates to these questions in cosmology at the LHC and possible future colliders.

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