Supersymmetric versus SO(10) models of dark matter

Olive, Keith A.

doi:10.1142/s0217751x17300101

Cited by 3 publications

(7 citation statements)

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“…→ In reference [48], Keith Olive considers the unification of the 3 charge like coupling constants, with the field content underlying SO10 unification, but without supersymmetry. First let me quote his introductory remarks "1.…”

Section: Mass and Mixing Of + Light And Heavy Neutrino Flavorsmentioning

confidence: 99%

A review of neutrino properties Neutrino oscillations - a historical overview and its projection

Minkowski¹

2018

EPJ Web Conf.

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Abstract. In a first part neutrino properties are presented from the beginnings through the letter of Wolfgang Pauli on 4. December 1930 suggesting a new neutral fermion to the "Radioactive Ladies and Gentlemen" at a Conference in Tübingen, contributing to the first oscillation cycle, based on my review at the meeting "Neutrino Telescopes in Venice" in 2005. cited in [1] . In the remaining part I shall present a selection of neutrino properties featuring the structure of mass and mixing of the light and heavy neutrino flavors, a symmetric , complex 6 by 6 matrix within the unifying SO10 gauge group, and present prospects for the detection of the leptonflavor violating processes B s → µ e ; B → K µ e, also such involving b-flavored baryons .

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Section: Mass and Mixing Of + Light And Heavy Neutrino Flavorsmentioning

confidence: 99%

A review of neutrino properties Neutrino oscillations - a historical overview and its projection

Minkowski¹

2018

EPJ Web Conf.

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“…It is quite important to note that the matter parity conservation down to low energies naturally emerges whenever the popular Higgs representation 126 † H (along with a 45 H , 54 H , or 210 H ) is used to break the underlying U (1) B−L gauge symmetry and 10 H is used to break the electroweak symmetry materialising in type-I⊕type-II seesaw formula for neutrino masses of eq.(1). So far the SO(10) based matter parity conserving DM models have been largely exploiting the type-I seesaw dominance in non-SUSY SO(10) [44][45][46][48][49][50][51][52]. On the other hand it is quite interesting to note that whenever type-II dominance occurs in such a minimal SUSY or non-SUSY SO(10) GUT, it predicts the following constraint relation among light and heavy neutrino mass eigen valueŝ m ν 1 :m ν 2 :m ν 3 ::M N 1 :M N 2 :M N 2 .…”

Section: Introductionmentioning

confidence: 99%

“…(1). So far the SO (10) based matter parity conserving DM models have been largely exploiting the type-I seesaw dominance in non-SUSY SO (10) [44][45][46][48][49][50][51][52]. On the other hand it is quite interesting to note that whenever type-II dominance occurs in such a minimal SUSY or non-SUSY SO (10) GUT, it predicts the following constraint relation among light and heavy neutrino mass eigen values mν 1 : mν 2 : mν 3 :: MN 1 : MN 2 : MN 2 .…”

Section: Introductionmentioning

confidence: 99%

“…However, in the absence of any experimental evidence of SUSY, very recently non-SUSY SO (10) has been in the spot light because of its inherent and intrinsic capability to predict DM candidates and their stability. In particular, an intrinsic gauged discrete symmetry [85], surviving as matter parity in SO (10) breakings [86][87][88][89][90][91][92][93][94][95][96][97][98][99][100][101][102][103]…”

Section: Introductionmentioning

confidence: 99%

“…has been found to stabilise the non-standard scalars and fermions which are also predicted to originate intrinsically from this non-SUSY GUT representations as possible DM candidates leading to a number of attractive predictions [86][87][88][89][90][91][92][93][94][95][96][97][98][99][100][101][102][103]. It is quite interesting to note that the matter parity conservation down to low energies naturally emerges whenever the popular Higgs representation 126 H is used to break the underlying U(1) B−L gauge symmetry and 10 H is used to break the electroweak symmetry materialising in type-I⊕type-II seesaw JCAP01(2020)049…”

Section: Introductionmentioning

confidence: 99%

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Triplet leptogenesis, type-II seesaw dominance, intrinsic dark matter, vacuum stability and proton decay in minimal SO(10) breakings

Chakraborty

Parida

Sahoo

2020

J. Cosmol. Astropart. Phys.

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We implement type-II seesaw dominance for neutrino mass and baryogenesis through heavy scalar triplet leptogenesis in a class of minimal non-supersymmetric SO(10) models where matter parity as stabilising discrete symmetry as well as WIMP dark matter (DM) candidates are intrinsic predictions of the GUT symmetry. We also find modifications of relevant CP-asymmetry formulas in such minimal models. Baryon asymmetry of the universe as solutions of Boltzmann equations is further shown to be realized for both normal and inverted mass orderings in concordance with cosmological bound and best fit values of the neutrino oscillation data including θ 23 in the second octant and large values of leptonic Dirac CP-phases. Type-II seesaw dominance is at first successfully implemented in two cases of spontaneous SO(10) breakings through SU(5) route where the presence of only one non-standard Higgs scalar of intermediate mass ∼ 10 9 − 10 10 GeV achieves unification. Lower values of the SU(5) unification scales ∼ 10 15 GeV are predicted to bring proton lifetimes to the accessible ranges of Super-Kamiokande and Hyper-Kamiokande experiments. Our prediction of WIMP DM relic density in each model is due to a ∼ TeV mass matter-parity odd real scalar singlet (⊂ 16 H ⊂ SO(10)) verifiable by LUX and XENON1T experiments. This DM is also noted to resolve the vacuum stability issue of the standard scalar potential. When applied to the unification framework of M. Frigerio and T. Hambye, in addition to the minimal fermionic triplet DM solution of 2.7 TeV mass, this procedure of type-II seesaw dominance and triplet leptogenesis is also found to make an alternative prediction of triplet fermion plus real scalar singlet DM at the TeV scale. * *

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Matter parity violating dark matter decay in minimal SO(10), unification, vacuum stability and verifiable proton decay

Sahoo¹,

Parida²,

Chakraborty³

2019

Nuclear Physics B

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In direct breaking of non-supersymmetric SO(10) to the standard model, we investigate the possibility that dark matter (DM) decaying through its mixing with right-handed neutrino (RHν) produces high energy IceCube neutrinos having type-I seesaw masses. Instead of one universal mixing and one common heavy RHν mass proposed in a recent standard model extension, we find that underlying quark-lepton symmetry resulting in naturally hierarchical RHν masses predict a separate mixing with each of them. We determine these mixings from the seesaw prediction of the DM decay rates into the light neutrino flavors. We further show that these mixings originate from Planck-scale assisted spontaneously broken matter parity needed to resolve the associated cosmological domain wall problem. This leads to the prediction of a new LHC accessible matter-parity odd Higgs scalar which also completes vacuum stability in the Higgs potential for its mass M χ S 177 GeV. We have also discussed realization of relic density of decaying dark matter in relation to flux of IceCube neutrinos. Two separate minimal SO(10) models are further noted to predict such dark matter dynamics where a single scalar submultiplet from 126 † H or 210 H of intermediate mass achieves precision gauge coupling unification. Despite the presence of two large Higgs representations and the fermionic dark matter host, 45 F , experimentally accessible proton lifetimes are also predicted with reduced uncertainties. †

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Supersymmetric versus SO(10) models of dark matter

Cited by 3 publications

References 49 publications

A review of neutrino properties Neutrino oscillations - a historical overview and its projection

A review of neutrino properties Neutrino oscillations - a historical overview and its projection

Triplet leptogenesis, type-II seesaw dominance, intrinsic dark matter, vacuum stability and proton decay in minimal SO(10) breakings

Matter parity violating dark matter decay in minimal SO(10), unification, vacuum stability and verifiable proton decay

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