28 citations · 141 across the 21 of their papers we have counts for
19 papers · 1 filter
Lepton flavor violation in the Majorana and Dirac scotogenic models
Raghavendra Srikanth Hundi
In this work we have considered two minimal versions of scotogenic models, where neutrinos acquire masses through a radiative mechanism. We call these two models as Majorana and Di…
Study on the global minimum and in the Dirac scotogenic model
Raghavendra Srikanth Hundi
We have analyzed the vacuum structure of the Dirac scotogenic model, whose scalar sector consists of two complex Higgs doublets and a real singlet field. In this model, the standar…
Lepton flavor violating and Higgs decays in the scotogenic model
Raghavendra Srikanth Hundi
In this work, we have studied lepton flavor violating (LFV) decays of gauge boson and Higgs boson () in the scotogenic model. We have computed branching ratios for the decay…
Lepton and quark mixing patterns with generalized CP transformations
Joy Ganguly, Raghavendra Srikanth Hundi
In this work, we have modified a scenario, originally proposed by Grimus and Lavoura, in order to obtain maximal values for atmospheric mixing angle and CP violating Dirac phase of…
Analyses of scalar potential and lepton flavor violating decays in a model with symmetry
Raghavendra Srikanth Hundi, Itishree Sethi
We have considered a model, originally proposed by Ma and Wegman, where the mixing pattern in neutrino sector is explained with three Higgs doublets, six Higgs triplets and s…
Neutrino Mixing by modifying the Yukawa coupling structure of constrained sequential dominance
Joy Ganguly, Raghavendra Srikanth Hundi
In the constrained sequential dominance (CSD), tri-bimaximal mixing (TBM) pattern in the neutrino sector has been explained, by proposing a certain Yukawa coupling structure for th…
Neutrino masses and mixing angles in a model with six Higgs triplets and symmetry
Raghavendra Srikanth Hundi, Itishree Sethi
We have considered a model \cite{ma-weg}, where masses and a mixing pattern for neutrinos are governed by six Higgs triplets and symmetry. In this model we have applied a cer…
in a supersymmetric radiative neutrino mass model
Raghavendra Srikanth Hundi
We have considered a supersymmetric version of the inert Higgs doublet model, whose motivation is to explain smallness of neutrino masses and existence of dark matter. In this supe…
Muon (g-2) from the bulk neutrino field in a warped extra dimensional model
R. S. Hundi, Sourov Roy, Soumitra SenGupta
In the Randall-Sundrum model, a bulk neutrino field in the 5-dimensional space-time can give rise to tiny Dirac masses to neutrinos. In such a scenario, we have computed the contri…
Neutrino masses along with fermion mass hierarchy
Dilip Kumar Ghosh, R. S. Hundi
Recently a new mechanism has been proposed to cure the problem of fermion mass hierarchy in the Standard Model (SM) model. In this scenario, all SM charged fermions other than top…
Collider Searches for Fermiophobic Gauge Bosons
Joseph Bramante, R. S. Hundi, Jason Kumar +2
We explore the phenomenology of an extra U(1) gauge boson which primarily couples to standard model gauge bosons. We classify all possible parity-odd couplings up to dimension 6 op…
Discrimination of New Physics Models with the International Linear Collider
Masaki Asano, Tomoyuki Saito, Taikan Suehara +7
The large hadron collider (LHC) is anticipated to provide signals of new physics at the TeV scale, which are likely to involve production of a WIMP dark matter candidate. The inter…
Bulk Higgs and Gauge fields in a multiply warped braneworld model
Ashmita Das, R. S. Hundi, Soumitra SenGupta
We readdress the problems associated with bulk Higgs and the gauge fields in a 5-dimensional Randall-Sundrum model by extending the model to six dimensions with double warping alon…
Constraints on composite Dirac neutrinos from observations of galaxy clusters
R. S. Hundi, Sourov Roy
Recently, to explain the origin of neutrino masses a model based on confining some hidden fermionic bound states into right-handed chiral neutrinos has been proposed. One of the co…
Constraints from neutrino masses and muon (g-2) in the bilinear R-parity violating supersymmetric model
R. S. Hundi
Bilinear R-parity violating supersymmetric model is a viable model which can explain the smallness of neutrino masses and the mixing pattern in the lepton sector. In this model, th…
Identification of new physics and general WIMP search at the ILC
M. Asano, K. Fujii, R. S. Hundi +7
We investigate the possibility of the identification of TeV physics models including WIMP dark matter at the International Linear Collider. Many TeV physics models contain a WIMP d…
Addressing μ-b_μand proton lifetime problems and active neutrino masses in a U(1)^\prime-extended supergravity model
R. S. Hundi, Sandip Pakvasa, Xerxes Tata
We present a locally supersymmetric extension of the minimal supersymmetric Standard Model (MSSM) based on the gauge group wh…
Invisibly decaying Higgs boson in the Littlest Higgs model with T-parity
Raghavendra Srikanth Hundi, Biswarup Mukhopadhyaya, Andreas Nyffeler
We show that there are regions in the parameter space of the Littlest Higgs model with T-parity, allowed by electroweak precision data, where the Higgs boson can decay invisibly in…
Invisible Higgs boson decay in the littlest Higgs model with T-parity
Raghavendra Srikanth Hundi, Biswarup Mukhopadhyaya, Andreas Nyffeler
We study the invisible decay of the Higgs boson into a pair of stable, heavy photons, H -> A_H A_H, in the littlest Higgs model with T-parity. For a symmetry breaking scale of f =…