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19922026
most citedNeutrino Masses and Leptogenesis with Heavy Higgs Triplets

518 citations

Showing 2019 · hep-phShow all

32 papers · 2 filters

hep-ph2019

Exploring Dark Matter, Neutrino mass and flavour anomalies in L_μ-L_τ model

Rukmani Mohanta, Shivaramakrishna Singirala, Suchismita Sahoo

We investigate Majorana dark matter in a new variant of gauge extension of Standard Model, containing three additional neutral fermions , along wi…

hep-ph2019★ 6 cited

On Resolving the Dark LMA Solution at Neutrino Oscillation Experiments

Sandhya Choubey, Dipyaman Pramanik

In presence of non standard interactions, the solar neutrino data is consistent with two solutions, one close to the standard LMA solution with and anothe…

hep-ph2019★ 14 cited

Heavy quark transport in a viscous semi QGP

Balbeer Singh, Hiranmaya Mishra

We study the effect of shear and bulk viscosities on the heavy quark transport coefficient within the matrix model of semi QGP. Dissipative effects are incorporated through the fir…

hep-ph2019★ 1 cited

Pure Natural Quintessential Inflation and Dark Energy

Selvaganapathy J

We propose the pure natural quintessential inflation model which is motivated by Witten's conjecture, where the axion couples to pure Yang-Mills gauge field at large N limi…

hep-ph2019★ 5 cited

Soft leptogenesis in the NMSSM with a singlet right-handed neutrino superfield

Waleed Abdallah, Abhass Kumar, Abhijit Kumar Saha

In this work, we explore soft leptogenesis in the NMSSM framework extended by a right-handed neutrino superfield. We calculate the CP asymmetry, , and find it to be no…

hep-ph2019★ 54 cited

Transport coefficients of hot and dense hadron gas in a magnetic field: a relaxation time approach

Arpan Das, Hiranmaya Mishra, Ranjita K. Mohapatra

We estimate various transport coefficients of hot and dense hadronic matter in the presence of magnetic field. The estimation is done through solutions of the relativistic Boltzman…

hep-ph2019★ 7 cited

Implications of the Dark LMA solution and Fourth Sterile Neutrino for Neutrino-less Double Beta Decay

K. N. Deepthi, Srubabati Goswami, Vishnudath K. N. +1

We analyze the effect of the Dark-large mixing angle (DLMA) solution on the effective Majorana mass () governing neutrino-less double beta decay () in the presence of…

hep-ph2019★ 16 cited

Generalised - symmetries and calculable gauge kinetic and mass mixing in models

Anjan S. Joshipura, Namit Mahajan, Ketan M. Patel

Extensions of the standard model with a gauge symmetry contain gauge invariant kinetic mixing, , and gauge non-invariant mass mixing, , between the hypercharge…

hep-ph2019★ 3 cited

MeV scale model of SIMP dark matter, neutrino mass and leptogenesis

Subhendra Mohanty, Ayon Patra, Tripurari Srivastava

We consider a simple extension of the Standard Model with two singlet scalar fields and three heavy right-handed neutrinos. One of the scalar fields serves as an MeV scale dark mat…

hep-ph2019★ 68 cited

Vector gauge boson radiation from compact binary systems in a gauged scenario

Tanmay Kumar Poddar, Subhendra Mohanty, Soumya Jana

The orbital period of a compact binary system decays mainly due to quadrupole gravitational radiation, which agrees with the observation to within one percent. Other types of radia…

hep-ph2019★ 4 cited

Scalar dark matter, Neutrino mass and Leptogenesis in a model

Subhasmita Mishra, Shivaramakrishna Singirala, Suchismita Sahoo

We investigate the phenomenology of singlet scalar dark matter in a simple gauge extension of standard model, made anomaly free with four exotic fermions. The enri…

hep-ph2019★ 15 cited

Model independent analysis of decay processes

Atasi Ray, Suchismita Sahoo, Rukmani Mohanta

Very compelling deviations in the recently observed lepton nonuniversality observables of semileptonic meson decays from their…

hep-ph2019★ 15 cited

Chiral susceptibility in Nambu Jona Lasinio model: a Wigner function approach

Arpan Das, Deepak Kumar, Hiranmaya Mishra

We estimate here chiral susceptibility at finite temperature within the framework of the Nambu-Jona-Lasinio model (NJL) using the Wigner function approach. We also estimate it in t…

hep-ph2019★ 52 cited

Electrical conductivity and Hall conductivity of hot and dense quark gluon plasma in a magnetic field: a quasi particle approach

Arpan Das, Hiranmaya Mishra, Ranjita K. Mohapatra

We estimate here the electrical and Hall conductivity using a quasiparticle approach for quark matter. We use a Boltzmann kinetic approach in presence of external magnetic field. W…

hep-ph2019★ 22 cited

Flavoured gauge extension of singlet-doublet fermionic dark matter: neutrino mass, high scale validity and collider signatures

Basabendu Barman, Debasish Borah, Purusottam Ghosh +1

We propose an Abelian gauged version of the singlet-doublet fermionic dark matter (DM) model where DM, combination of a vector like fermion doublet and a fermion singlet, is natura…

hep-ph2019★ 11 cited

Hadron resonance gas with repulsive mean field interaction: Thermodynamics and transport properties

Guruprasad Kadam, Hiranmaya Mishra

We discuss the interacting hadron resonance gas model to describe the thermodynamics of hadronic matter. While the attractive interaction between hadrons is taken care of by includ…

hep-ph2019★ 4 cited

Planck Scale Origin of Non-zero and Super-WIMP Dark Matter

Debasish Borah, Biswajit Karmakar, Dibyendu Nanda

We study a discrete flavour symmetric scenario for neutrino mass and dark matter under the circumstances where such global discrete symmetries can be explicitly broken at Planck sc…

hep-ph2019★ 59 cited

Constraints on ultra-light axions from compact binary systems

Tanmay Kumar Poddar, Subhendra Mohanty, Soumya Jana

Ultra light particles with axion-like couplings to other particles can be candidates for fuzzy dark matter (FDM) if the axion decay constant $f_a…

hep-ph2019★ 40 cited

Constraining a general U(1) inverse seesaw model from vacuum stability, dark matter and collider

Arindam Das, Srubabati Goswami, Vishnudath K. N. +1

We consider a class of gauged extensions of the Standard Model (SM), where the light neutrino masses are generated by an inverse seesaw mechanism. In addition to the three r…

hep-ph2019★ 57 cited

Two component dark matter with inert Higgs doublet: neutrino mass, high scale validity and collider searches

Subhaditya Bhattacharya, Purusottam Ghosh, Abhijit Kumar Saha +1

The idea of this work is to investigate the constraints on the dark matter (DM) allowed parameter space from high scale validity (absolute stability of Higgs vacuum and perturbativ…

hep-ph2019★ 31 cited

Probing the inert doublet model using jet substructure with a multivariate analysis

Akanksha Bhardwaj, Partha Konar, Tanumoy Mandal +1

We explore the challenging but phenomenologically interesting hierarchical mass spectrum of the Inert Doublet Model where relatively light dark matter along with much heavier scala…

hep-ph2019★ 7 cited

Proton decay in flux compactifications

Wilfried Buchmuller, Ketan M. Patel

We study proton decay in a six-dimensional orbifold GUT model with gauge group . Magnetic flux in the compact dimensions determines the multiplicity o…

hep-ph2019★ 8 cited

Consequences of - reflection symmetry for neutrino mixing

Kaustav Chakraborty, Srubabati Goswami, Biswajit Karmakar

We investigate the consequences of reflection symmetry in presence of a light sterile neutrino for the neutrino mixing scheme. We discuss the implications of total $μ-τ…

hep-ph2019★ 14 cited

Probing anomalous gauge-Higgs couplings using boson polarization at colliders

Kumar Rao, Saurabh D. Rindani, Priyanka Sarmah

We study possible new physics interactions in the vertex contributing to the Higgsstrahlung process at proposed future colliders using the polarizat…