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Article
Open AccessLeptogenesis in a Left-Right Symmetric Model with double seesaw
We explore the connection between low-scale CP-violating Dirac phase (δ) and high-scale leptogenesis in a Left-Right Symmetric Model (LRSM) with scalar bidoublet and doublets. The fermion sector of the model is e...
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Article
Open AccessImpact of CP violation searches at MOMENT experiment with sterile neutrino
We examine the scope of the MOMENT experiment in the context of CP violation searches with the presence of extra eV scale sterile neutrino. MOMENT is a proposed medium baseline neutrino oscillation experiment ...
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Article
Open AccessFlavour anomalies and dark matter assisted unification in SO(10) GUT
With the recent experimental hint of new physics from flavor physics anomalies, combined with the evidence from neutrino masses and dark matter, we consider a minimal extension of SM with a scalar leptoquark a...
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Article
Open AccessEffect of large light-heavy neutrino mixing and natural type-II seesaw dominance to lepton flavor violation and neutrinoless double beta decay
We derive the lower bound on absolute scale of lightest neutrino mass for normal hierarchy and inverted hierarchy pattern of light neutrinos by studying the new physics contributions to charged lepton flavour ...
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Article
Open AccessNeutrino mass, mixing and muon g − 2 explanation in \( \mathrm{U}{(1)}_{L_{\mu }-{L}_{\tau }} \) extension of left-right theory
We consider a gauged U 1 ...
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Article
Open AccessNeutrino phenomenology and dark matter in an \(A_4\) flavour extended \(B-L\) model
We present an \({\mathrm{A}}_4\)A4 flavor extended \({\mathrm{B-L}}\)B-L model for realization of eV scale sterile neutrinos, motivated by the recent experimental hints from both particle physics and cosmology. T...
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Chapter and Conference Paper
\(0\nu \beta \beta \) Signature in LRSM with Higgs Bidoublet and Doublets
We consider a version of Left-Right Symmetric Model in which the scalar sector consists of a Higgs bidoublet ( \(\varPhi \) ...
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Chapter and Conference Paper
eV Scale Sterile Neutrino and Dark Matter Phenomenology in \(A_4 \times U(1)_\mathrm{B-L}\) Model
We discuss an \(\mathrm A_4\) A 4 ...
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Chapter and Conference Paper
\(\varDelta (27)\) Flavor Model Within Type–II Seesaw and Associated Phenomenology
In this article, we studied the extension of Standard Model (SM) to scrutinize the phenomenology of type-II seesaw mechanism with the inclusion of two Higgs doublets, three scalar triplets and one scalar singl...
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Chapter and Conference Paper
Baryogenesis via Leptogenesis from Asymmetric Dark Matter Using Higher Dimension Operator
We propose an extension of the standard model (SM) by including a dark sector comprising of three generations of heavy right-handed neutrinos, three singlet scalars and a singlet Dirac fermion. With this addit...
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Chapter and Conference Paper
Majorana Dark Matter, Massless Goldstone and Neutrino Mass in a New \(B-L\) Model
We present a comprehensive study of Majorana dark matter in a \(U(1)_{B-L}\) gauge extension of the standard model, where three exotic fermions with \(B-L\) charges as \(-4, -4, +5\) are added to make the model f...
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Chapter and Conference Paper
\(A_4\) Realization of Linear Seesaw and Neutrino Phenomenology
We consider the \(A_4\) realization of linear seesaw by extending the standard model (SM) particle content with two types of right-handed neutrinos along with the flavon fields, and the SM symmetry with $$A_4\tim...
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Article
Singlet scalar dark matter in U(1)B-L models without right-handed neutrinos
We investigate the phenomenology of singlet scalar dark matter in a simple B-L gauge extension of the Standard Model where the dark matter particle is charged under the
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Article
Open Access\(A_4\) realization of linear seesaw and neutrino phenomenology
Motivated by the crucial role played by the discrete flavor symmetry groups in explaining the observed neutrino oscillation data, we consider the ...
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Chapter and Conference Paper
SU(6) Grand Unification of 3-3-1 Model
We discuss a sequential variant of the \(\mathrm { SU(3)_c \times SU(3)_L \times U(1)_X}\) model which fits within a minimal grand . Interestingly, this minimal SU(6) embedding can allow a $$\mathrm {...
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Article
Open AccessMulti-component fermionic dark matter and IceCube PeV scale neutrinos in left-right model with gauge unification
We consider a simple extension of the minimal left-right symmetric model (LRSM) in order to explain the PeV neutrino events seen at the IceCube experiment from a heavy decaying dark matter. The dark matter sec...
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Article
Open AccessNeutrinoless double beta decay in LRSM with natural type-II seesaw dominance
We present a detailed discussion on neutrinoless double beta decay within a class of left-right symmetric models where neutrino mass originates by natural type-II seesaw dominance. The spontaneous symmetry bre...
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Article
Open AccessA new B − L model without right-handed neutrinos
We propose and study a novel extension of the Standard Model based on the B−L gauge symmetry that can account for dark matter and neutrino masses. In this model, right-handed neutrinos are absent and the gauge an...
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Article
Open AccessNew physics effects on neutrinoless double beta decay from right-handed current
We study the impact of new physics contributions to neutrinoless double beta decay arising from right-handed current in comparison with the standard mechanism. If the light neutrinos obtain their masses from T...
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Article
Open AccessLepton number violation within the conformal inverse seesaw
We present a novel framework within the conformal inverse seesaw scheme allowing large lepton number violation while the neutrino mass formula is still governed by the low-scale inverse seesaw mechanism. This ...
