Zobrazeno 1 - 10
of 386
pro vyhledávání: '"GRZADKOWSKI, B."'
The $t$-channel singularity of a cross-section for a binary $2 \to 2$ scattering process occurs when a particle exchanged in the $t$ channel is kinematically allowed to be on its mass-shell, that is when the process can be viewed as a sequence of two
Externí odkaz:
http://arxiv.org/abs/2108.01757
Autor:
Ferreira, P. M.1,2 (AUTHOR) pmmferreira@fc.ul.pt, Grzadkowski, B.3 (AUTHOR), Ogreid, O. M.4 (AUTHOR), Osland, P.5 (AUTHOR)
Publikováno v:
European Physical Journal C -- Particles & Fields. Mar2024, Vol. 84 Issue 3, p1-30. 30p.
Symmetries of the Two-Higgs-Doublet Model (2HDM) potential that can be extended to the whole Lagrangian, i.e. the CP-symmetries CP1, CP2, CP3 and the Higgs-family symmetries Z2, U(1) and SO(3) are discussed. Sufficient and necessary conditions in ter
Externí odkaz:
http://arxiv.org/abs/2010.13698
Publikováno v:
Phys. Rev. D 94, 115002 (2016)
For the general Two-Higgs-Doublet model, we present conditions for having spontaneous CP violation, in terms of physical masses and couplings. These relations involve the charged-Higgs mass, its cubic couplings with neutral scalars and quartic coupli
Externí odkaz:
http://arxiv.org/abs/1609.04764
We discuss possibilities of measuring CP violation in the Two-Higgs-Doublet Model by studying effects of one-loop generated $ZZZ$ and $ZWW$ vertices. We discuss a set of CP-sensitive asymmetries for $ZZ$ and $W^+W^-$ production at linear $e^+e^-$-col
Externí odkaz:
http://arxiv.org/abs/1603.01388
We review CP properties of the Two-Higgs-Doublet model. In particular, we show that spontaneous CP violation occurs in the parameter space on the border between regions allowing explicit CP violation and those where there is another minimum, deeper t
Externí odkaz:
http://arxiv.org/abs/1504.06076
In Two-Higgs-Doublet models, the conditions for CP violation can be expressed in terms of invariants under U(2) rotations among the two SU(2) Higgs doublet fields. In order to design a strategy for measuring the invariants we express them in terms of
Externí odkaz:
http://arxiv.org/abs/1409.7265
We have investigated a Two-Higgs-Doublet Model (2HDM), focusing on CP violation. Various scenarios with spontaneous and explicit breaking of CP have been considered. Some features of CP violation related to a choice of the basis for the two Higgs dou
Externí odkaz:
http://arxiv.org/abs/1309.6229
We have updated a recently proposed extension of the Inert Doublet Model. The extension amounts to the addition of an extra non-inert scalar doublet. The model thus offers a possibility of CP violation in the scalar sector and a candidate for the Dar
Externí odkaz:
http://arxiv.org/abs/1112.5853
We have explored properties of an extension of the Inert Doublet Model by the addition of an extra non-inert scalar doublet. The model offers a possibility of CP violation in the scalar sector and a candidate for the Dark Matter. Allowed regions in t
Externí odkaz:
http://arxiv.org/abs/1012.4680