# Search results for: Gui-Jun Ding

Journal of High Energy Physics > 2019 > 2019 > 8 > 1-29

*H*, and an electroweak multiplet Φ of arbitrary SU(2)

_{L}rank and hypercharge,

*Y*. We show that, in general, the Φ-

*H*Higgs portal interactions depend on three, rather than two independent...

Journal of High Energy Physics > 2019 > 2019 > 3 > 1-31

*D*

_{n}in combination with CP symmetry. The left-handed lepton and quark doublets are assigned to the direct sum of a singlet and a doublet of

*D*

_{n}. A unified description of the observed structure of the quark and lepton mixing can be achieved if the flavor group

*D*

_{n}and CP are broken to

*Z*

_{2}×

*CP*in...

Journal of High Energy Physics > 2019 > 2019 > 3 > 1-27

Journal of High Energy Physics > 2018 > 2018 > 12 > 1-32

*different residual flavour symmetry*, together with a

*different residual CP symmetry*, associated with each of the two right-handed neutrinos. The charged lepton sector also has a

*different residual flavour symmetry*. In such a

*tri-direct CP approach*, we show that the combination of...

Journal of High Energy Physics > 2018 > 2018 > 7 > 1-26

*e*−

*μ*,

*e*− τ and

*μ*−τ symmetries are considered in detail. In all cases the physical parameters of the lepton mixing matrix, three mixing angles and three CP phases can be expressed in terms of a restricted set of independent “theory parameters”...

Journal of High Energy Physics > 2018 > 2018 > 2 > 1-51

*Z*

_{2}×

*CP*in both neutrino and charged lepton sectors. All lepton mixing angles and CP violation phases are predicted to depend on two free parameters

*θ*

_{l}and

*θ*

_{ν}varying in the range of [0

*, π*). As an example, we comprehensively study the lepton mixing patterns which can be derived from the flavor group...

Nuclear Physics B > 2017 > 925 > C > 470-499

Nuclear Physics B > 2016 > 913 > C > 110-131

Physics Letters B > 2016 > 753 > C > 644-652

Journal of High Energy Physics > 2016 > 2016 > 3 > 1-36

*Z*

_{2}in the neutrino sector, together...

Journal of High Energy Physics > 2016 > 2016 > 5 > 1-72

*D*

_{9n, 3n }

^{(1)}as flavor symmetry and the generalized

*CP*symmetry. All possible residual symmetries and their consequences for the prediction of the mixing parameters are studied. We find that only one type of mixing pattern is able to accommodate the measured values of the mixing angles in both...

Journal of High Energy Physics > 2016 > 2016 > 1 > 1-27

Journal of High Energy Physics > 2015 > 2015 > 8 > 1-48

*S*

_{4}family symmetry and generalized CP symmetry

*H*

_{CP}. Supposing that

*S*

_{4}⋊

*H*

_{CP}is broken down to Z2ST2SU×HCPν $$ {Z}_2^{S{T}^2SU}\times {H}_{\mathrm{CP}}^{\nu...

Journal of High Energy Physics > 2015 > 2015 > 5 > 1-56

*A*

_{5}family symmetry and generalized CP. We find five phenomenologically interesting mixing patterns for which one column of the PMNS matrix is 5 + 5 10 , 1 5 + 5 , 1 5 + 5 T $$ {\left(\sqrt{\frac{5+\sqrt{5}}{10},}\frac{1}{\sqrt{5+\sqrt{5}}},\frac{1}{\sqrt{5+\sqrt{5}}}\right)}^T $$ (the...

Nuclear Physics, Section B > 2014 > 881 > Complete > 206-232

_{1}lepton mixing is produced. Depending on the free parameters in the flavon potential, the Dirac CP is predicted to be either conserved or maximally broken, and the Majorana...

Journal of High Energy Physics > 2014 > 2014 > 12 > 1-65

*n*

^{2}) family symmetry combined with a generalised CP symmetry in the lepton sector, breaking to different remnant symmetries

*G*

_{ ν }in the neutrino and

*G*

_{ l }in the charged lepton sector, together with different remnant CP symmetries in each sector. We discuss the resulting mass and mixing predictions for

*G*

_{ ν }=

*Z*

_{2}with

*G*

_{ l }=

*K*

_{4}

*, Z*

_{ p }

*, p >*2...

Journal of High Energy Physics > 2014 > 2014 > 6 > 1-52

Journal of High Energy Physics > 2013 > 2013 > 12 > 1-40

*A*4 combined with the generalised CP symmetry

*H*

_{CP}. We investigate the lepton mixing parameters which can be obtained from the original symmetry

*A*4 ⋊

*H*

_{CP}breaking to different remnant symmetries in the neutrino and charged lepton sectors. We find that only one case is phenomenologically viable, namely ...

Nuclear Physics, Section B > 2013 > 876 > 2 > 418-452

Journal of High Energy Physics > 2013 > 2013 > 5 > 1-36

*S*

_{4}family symmetry combined with a generalised CP symmetry

*H*

_{ CP }. We show how the flavon potential can spontaneously break the symmetry

*S*

_{4}⋊

*H*

_{ CP }down to in the neutrino sector, where the choice of preserved CP symmetry ...