Neutrino masses and conformal electro-weak symmetry breaking

Lindner, M.; Schmidt, Steffen; Smirnov, Juri

doi:10.1007/jhep10(2014)177

Cited by 57 publications

(31 citation statements)

References 62 publications

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“…Once we introduce right-handed neutrino fields as SM gauge singlets they naturally possess a conformal and gauge-invariant, Majoranatype Yukawa coupling to the scalar singlet S. 10 Additionally, we obtain Dirac-type Yukawa couplings with the SM lepton and Higgs doublet. After electroweak symmetry breaking the Yukawa couplings lead to a neutrino mass matrix that realizes a type-I seesaw mechanism [15]. Of course, it remains to be checked whether including the Majorana Yukawa coupling negatively influences the RG running.…”

Section: Jhep07(2017)113mentioning

confidence: 99%

Minimal conformal extensions of the Higgs sector

Helmboldt

Humbert

Lindner

et al. 2017

J. High Energ. Phys.

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In this work we find the minimal extension of the Standard Model's Higgs sector which can lead to a light Higgs boson via radiative symmetry breaking and is consistent with the phenomenological requirements for a low-energy realization of a conformal theory. The model which turns out to be stable under renormalization group translations is an extension of the Standard Model by two scalar fields, one of which acquires a finite vacuum expectation value and therefore mixes into the physical Higgs. We find that the minimal model predicts a sizable amount of mixing which makes it testable at a collider. In addition to the physical Higgs, the theory's scalar spectrum contains one light and one heavy boson. The heavy scalar's properties render it a potential dark matter candidate.

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Section: Jhep07(2017)113mentioning

confidence: 99%

Minimal conformal extensions of the Higgs sector

Helmboldt

Humbert

Lindner

et al. 2017

J. High Energ. Phys.

Self Cite

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“…They can be divided into two main categories, depending on which correction renormalises a quartic coupling λ down to negative values at low energy, such that the dimension-less potential λ 4 develops a minimum: either λ) corrections due to other scalar quartics [13][14][15][16][17][18][19][20][21][22][23][24][25][26][27][28][29][30][31][32]; or g) corrections due to a gauge coupling [12,[33][34][35][36][37][38]. 2 1 Furthermore [71] also contain some explicit mass term.…”

Section: Weakly Coupled Modelsmentioning

confidence: 99%

The Higgs of the Higgs and the diphoton channel

Kannike

Pelaggi

Salvio

et al. 2016

J. High Energ. Phys.

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LHC results do not confirm conventional natural solutions to the Higgs mass hierarchy problem, motivating alternative interpretations where a hierarchically small weak scale is generated from a dimension-less quantum dynamics. We propose weakly and strongly-coupled models where the field that breaks classical scale invariance giving mass to itself and to the Higgs is identified with a possible new resonance within the LHC reach. As an example, we identify such resonance with the 750 GeV diphoton excess recently reported by ATLAS and CMS. Such models can be extrapolated up to the Planck scale, provide Dark Matter candidates and eliminate the SM vacuum instability.

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“…For example, the origin of neutrino mass can find interesting explanations within SI models [4,5,6,7] (for detailed discussion see Ref. [8]). Among the available possibilities, it is perhaps an obvious marriage to employ a radiative mechanism for neutrino mass within the SI context, giving a common radiative origin for both neutrino mass and the weak scale.…”

Section: Introductionmentioning

confidence: 99%

Scale-invariant models with one-loop neutrino mass and dark matter candidates

et al. 2016

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We construct a list of minimal scale-invariant models at the TeV scale that generate one-loop neutrino mass and give viable dark matter candidates. The models generically contain a singlet scalar and a Z 2 -odd sector comprised of singlet, doublet and/or triplet SU(2) multiplets. The dark matter may reside in a single multiplet or arise as an admixture of several multiplets. We find fifteen independent models, for which the dark matter is a viable candidate and neutrino mass results from a diagram with just one of the irreducible scale-invariant one-loop topologies. Further "non-pure" cases give hybrid one-/two-loop masses. All models predict new TeV scale physics, including a singlet scalar that generically mixes with the Higgs boson.i aahriche@ictp.it

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Neutrino masses and conformal electro-weak symmetry breaking

Cited by 57 publications

References 62 publications

Minimal conformal extensions of the Higgs sector

Minimal conformal extensions of the Higgs sector

The Higgs of the Higgs and the diphoton channel

Scale-invariant models with one-loop neutrino mass and dark matter candidates

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