Tree-level metastability bounds for the most general two Higgs doublet model

[en] Within two Higgs doublet models, it is possible that the current vacuum is not the global minimum, in which case it could possibly decay at a later stage. We discuss the tree-level conditions which must be obeyed by the most general scalar potential in order to preclude that possibility. We propose a new procedure which is not only more general but also easier to implement than the previously published one, including CP conserving as well as CP violating scalar sectors. We illustrate these conditions within the context of the Z2 model, softly broken by a complex, CP violating parameter.

Disciplines :

Physics

Author, co-author :

Ivanov, Igor ; Université de Liège > Département d'astrophys., géophysique et océanographie (AGO) > Inter. fondamentales en physique et astrophysique (IFPA)

Silva, João

Language :

English

Title :

Tree-level metastability bounds for the most general two Higgs doublet model

Publication date :

15 September 2015

Journal title :

Physical Review. D, Particles and Fields

ISSN :

0556-2821

eISSN :

1089-4918

Publisher :

American Physical Society, College Park, United States - Maryland

Volume :

Pages :

055017

Peer reviewed :

Peer reviewed

Additional URL :

http://journals.aps.org/prd/abstract/10.1103/PhysRevD.92.055017

Available on ORBi :

since 08 September 2016

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