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17 papers · 2 filters
Six Top Messages of New Physics at the LHC
Huayong Han, Li Huang, Teng Ma +3
Six top signatures provide a novel probe of new physics. We discuss production of six top quarks as the decay products of a pair of top partners in the setting of a composite Higgs…
Electroweak phase transition and Higgs phenomenology in the Georgi-Machacek model
Ruiyu Zhou, Wei Cheng, Xin Deng +2
In this work, we perform the electroweak phase transition study with the Georgi-Machacek model. We investigate both the one-step and two-step strong first order electroweak phase t…
Towards a fundamental safe theory of composite Higgs and Dark Matter
Giacomo Cacciapaglia, Teng Ma, Shahram Vatani +1
We present a novel paradigm that allows to define a composite theory at the electroweak scale that is well defined all the way up to any energy by means of safety in the UV. The th…
Moduli Portal Dark Matter
Debtosh Chowdhury, Emilian Dudas, Maíra Dutra +1
We show that moduli fields as mediators between the Standard Model and the dark sector can naturally lead to the observed relic abundance. Indeed, even if moduli are very massive,…
Can dark matter drive electroweak symmetry breaking?
Catarina Cosme, João G. Rosa, Orfeu Bertolami
We consider the possibility of an oscillating scalar field accounting for dark matter and dynamically controlling the spontaneous breaking of the electroweak symmetry through a Hig…
Further study of the global minimum constraint on the two-Higgs-doublet models: LHC searches for heavy Higgs bosons
Ning Chen, Chun Du, Yongcheng Wu +1
The usually considered vacuum of the two-Higgs-doublet model (2HDM) could be unstable if it locates at a local but not global minimum (GM) of the scalar potential. By requiring the…