Ramifications of texture one-zero neutrino mass model in coherence with the latest neutrino data

Verma, Surender; Kashav, Monal

doi:10.1142/s0217732320501655

Cited by 8 publications

(6 citation statements)

References 42 publications

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“…( 5). There are a number of neutrino mass models, but texture zero models are very successful as they have high predictability and rich phenomenology [6][7][8][9][10][11][12][13][14][15]. This kind of one zero mass matrix is T 2 texture [15].…”

Section: Neutrinoless Double Beta Decay(0νββ)mentioning

confidence: 99%

“…There are a number of neutrino mass models, but texture zero models are very successful as they have high predictability and rich phenomenology [6][7][8][9][10][11][12][13][14][15]. This kind of one zero mass matrix is T 2 texture [15]. This type of texture one zero mass matrix has non zero contribution towards 0νββ-decay and we used similar methodology to study its implications to 0νββ-decay as in Ref.…”

Section: Neutrinoless Double Beta Decay(0νββ)mentioning

confidence: 99%

“…This type of texture one zero mass matrix has non zero contribution towards 0νββ-decay and we used similar methodology to study its implications to 0νββ-decay as in Ref. [15].…”

Section: Neutrinoless Double Beta Decay(0νββ)mentioning

confidence: 99%

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Texture One Zero Model Based on A4 Flavor Symmetry and its Implications to Neutrinoless Double Beta Decay

Verma

Kashav

Ankush

et al. 2021

J. Nucl. Phy. Mat. Sci. Rad. A.

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Neutrinos are perhaps the most elusive particles in our Universe. Neutrino physics could be counted as a benchmark for various new theories in elementary particle physics and also for the better understanding of the evolution of the Universe. To complete the neutrino picture, the missing information whether it is about their mass or their nature that the neutrinos are Majorana particles could be provided by the observation of a process called neutrinoless double beta (0νββ) decay. Neutrinoless double beta decay is a hypothesised nuclear process in which two neutrons simultaneously decay into protons with no neutrino emission. In this paper we proposed a neutrino mass model based on A4 symmetry group and studied its implications to 0νββ decay. We obtained a lower limit on |Mee| for inverted hierarchy and which can be probed in 0νββ experiments like SuperNEMO and KamLAND-Zen.

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Section: Neutrinoless Double Beta Decay(0νββ)mentioning

confidence: 99%

Section: Neutrinoless Double Beta Decay(0νββ)mentioning

confidence: 99%

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Texture One Zero Model Based on A4 Flavor Symmetry and its Implications to Neutrinoless Double Beta Decay

Verma

Kashav

Ankush

et al. 2021

J. Nucl. Phy. Mat. Sci. Rad. A.

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“…The phenomenology of one-zero and twozero textures is studied in, for example, Refs. [33][34][35][36][37][38][39] and Refs. [16,17,20,[40][41][42][43][44][45][46][47][48][49][50][51][52], respectively.…”

Section: Type Ii: a Triplet Scalar (Triplet Higgs Boson) Ismentioning

confidence: 99%

Texture zeros flavor neutrino mass matrix and triplet Higgs models

Kitabayashi

2020

Phys. Rev. D

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One-and two-zero textures for the flavor neutrino mass matrix have been successful in explaining mixing in the neutrino sector. Conservatively, six cases of one-zero textures and seven cases of two-zero textures are compatible with observations. We show that one case may be the most natural in the one-and two-zero textures schemes if tiny neutrino masses are generated by the type-II seesaw mechanism in triplet Higgs models.

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“…with in type-I+II seesaw [15], Type-II seesaw [16], inverse seesaw realization [17,18], linear seesaw realization [19,20] and scotogenic or radiative scenarios [21][22][23]. In literature, different phenomenological ansatz like texture zeros [24][25][26][27], hybrid textures [28][29][30], scaling neutrino mass matrix [31][32][33], magic neutrino mass matrix [34][35][36] have been proposed to understand the mechanism of neutrino mass generation. The flavor theoretic realization of these ansatze, based on non-Abelian discrete groups, rely on introducing one or more flavon fields and thus, suffers from flavon alignment perplexities.…”

Section: Introductionmentioning

confidence: 99%

Broken scaling neutrino mass matrix and leptogenesis based on A4 modular invariance

Kashav

Verma

2021

J. High Energ. Phys.

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In this work, we have proposed a modular A4 symmetric model of neutrino mass which, simultaneously, explains observed baryon asymmetry of the Universe (BAU). In minimal extension of the standard model (SM) with two right-handed neutrinos we work in a supersymmetric framework. At Type-I seesaw level, the model predicts scaling in the neutrino mass matrix. In order to have correct low energy phenomenology, we propose two possible scenarios of scale-breaking in the neutrino mass matrix emanating from Type-I seesaw. Scenario-1 is based on the dimension-5 Weinberg operator whereas scenario-2 implements Type-II seesaw via scalar triplet Higgs superfields (∆,$$ \overline{\Delta } $$ ∆ ¯ ). Interestingly, the breaking patterns in both, otherwise dynamically different scenarios, are similar which can be attributed to the same charge assignments of superfields (∆,$$ \overline{\Delta } $$ ∆ ¯ ) and the Higgs superfield Hu under modular A4 symmetry. The breaking is found to be proportional to the Yukawa coupling of modular weight 10 ($$ {Y}_{1,1\prime}^{10} $$ Y 1 , 1 ′ 10 ). We, further, investigates the predictions of the model under scenario-2 (Type-I+II) for neutrino mass, mixings and matter-antimatter asymmetry of the Universe. The model predicts normal hierarchical neutrino masses and provide a robust range (0.05 − 0.08)eV for sum of neutrino masses (Σmi). Lepton number violating 0νββ decay amplitude (Mee) is obtained to lie in the range (0.04 − 0.06)eV. Future 0νββ decay experiments such as NEXT and nEXO shall pose crucial test for the model. Both CP conserving and CP violating solutions are allowed in the model. Interesting correlations are obtained, specially, between Yukawa couplings of modular weight 2 and complex modulus τ. Contrary to $$ {Y}_2^2 $$ Y 2 2 and $$ {Y}_3^2 $$ Y 3 2 , the Yukawa coupling $$ {Y}_1^2 $$ Y 1 2 is found to be insensitive to τ and thus to CP violation because complex modulus τ is the only source of CP violation in the model. We, also, investigate the prediction of the model for BAU. The model exhibit consistent explanation of BAU for right-handed Majorana neutrino mass scale in the range ((1 − 5) × 1013) GeV.

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Ramifications of texture one-zero neutrino mass model in coherence with the latest neutrino data

Cited by 8 publications

References 42 publications

Texture One Zero Model Based on A4 Flavor Symmetry and its Implications to Neutrinoless Double Beta Decay

Texture One Zero Model Based on A4 Flavor Symmetry and its Implications to Neutrinoless Double Beta Decay

Texture zeros flavor neutrino mass matrix and triplet Higgs models

Broken scaling neutrino mass matrix and leptogenesis based on A4 modular invariance

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