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On distinguishing the direct and spontaneous CP violation in 2HDM

2008/12/01 by Dorota Sokolowska, Dorota Sokołowska, Sokolowska, Dorota +5
Physics and Astronomy · #Atomic and Subatomic Physics Research #FOS: Physical sciences #High Energy Physics - Phenomenology (hep-ph) #Magnetic confinement fusion research #Neutrino Physics Research #hep-ph

paper · pdf · doi:10.48550/arxiv.0812.0296

6 pages; to appear in the proceedings of the "Prospects for Charged Higgs Discovery at Colliders", 16-19 September 2008, Uppsala, Sweden; v2: reference added

openalex publication_date 2008/12/01 · arxiv created 2009/03/13 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

The most general Two Higgs Doublet Model (2HDM) allows both for the explicit and the spontaneous CP violation in the scalar sector. Here we discuss CP violation in terms of basis-independent quantities and show how using two different sets of known CP-odd weak-basis invariants one can distinguish between CP conservation, explicit CP violation and spontaneous CP violation. The special case of CP violation without CP mixing, in which the neutral Higgs gauge boson interaction respects CP while Higgs self-interaction violates CP symmetry, is also presented.

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