Electroweak phase transition and Higgs phenomenology in the Georgi-Machacek model
- Authors
- Zhou, Ruiyu; Cheng, Wei; Deng, Xin; Bian, Ligong; Wu, Yongcheng
- Issue Date
- 29-Jan-2019
- Publisher
- SPRINGER
- Keywords
- Beyond Standard Model; Higgs Physics; Thermal Field Theory
- Citation
- JOURNAL OF HIGH ENERGY PHYSICS, v.2019, no.1
- Journal Title
- JOURNAL OF HIGH ENERGY PHYSICS
- Volume
- 2019
- Number
- 1
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/45131
- DOI
- 10.1007/JHEP01(2019)216
- ISSN
- 1029-8479
1029-8479
- Abstract
- 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 transition (SFOEWPT). The SFOEWPT viable parameter spaces could be tested by the future 14TeV LHC, HL-LHC, and ILC. The LHC Higgs signal strength measurements severely bound the SFOEWPT valid parameter spaces, a tinny region of the mixing angle between the neutral fields of the isospin-doublet and isospin-triplet scalars around approximate to 0 can allow the two-step SFOEWPT to occur. The triplet vacuum expectation value (VEV) is crucial for both SFOEWPT and related Higgs phenomenology. The two-step SFOEWPT can be distinguished from the one-step SFOEWPT through the triple Higgs coupling searches and the low mass doubly charged Higgs searches at colliders.
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Collections - College of Natural Sciences > Department of Physics > 1. Journal Articles
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