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20062026
most citedGW170817: Observation of Gravitational Waves from a Binary Neutron Star Inspiral

9.8k citations

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125 papers · 1 filter

hep-ph2026

Cogenesis of visible and dark matter in type-I Dirac seesaw

Debasish Borah, Partha Kumar Paul, Narendra Sahu

We propose a novel cogenesis framework based on the type-I Dirac seesaw mechanism. The minimal type-I Dirac seesaw with three heavy vector-like fermions , one singlet scalar $…

hep-ph2026

Baryon-dark matter coincidence in Randall-Sundrum Model

Basabendu Barman, Ashmita Das, Partha Kumar Paul +2

Within the framework of the extra-dimensional Randall-Sundrum set-up, we investigate the freeze-in production of Standard Model (SM) gauge-singlet scalar, fermionic, and massive ve…

hep-ph2026

Naturally small Dirac neutrino mass and dark matter

Ernest Ma, Partha Kumar Paul, Narendra Sahu

In the conventional gauged extension of the standard model, the charge of the singlet scalar , responsible for the breaking of symmetry, is taken to b…

hep-ph2025

Gravitational Wave Probe of Singlet-Doublet Dark Matter Induced Radiative Neutrino Mass

Ujjal Kumar Dey, Santu Kumar Manna, Partha Kumar Paul +2

We investigate an one loop radiative neutrino mass model, where the loop particles, notably a singlet fermion (), a doublet fermion () and three generations of singlet scalar…

hep-ph2025

Impact of conversion-driven processes on singlet-doublet Majorana dark matter relic

Partha Kumar Paul, Sujit Kumar Sahoo, Narendra Sahu

The singlet-doublet dark matter model offers a rich framework for exploring the nature of dark matter (DM) through its unique fermion structure. In this model, the important parame…

hep-ph2025

Revisiting the limits on dark matter annihilation cross-section and decay lifetime in light of electron and positron fluxes

Nagisa Hiroshima, Kazunori Kohri, Partha Kumar Paul +1

We revisit the upper bound on the annihilation cross-section, of a stable dark matter (DM) of mass GeV by considering five different channels: $W^+…

hep-ph2025

Monte Carlo study of KDAR charged-current scattering on carbon

Ritesh Kumar Pradhan, Ralte Lalnuntluanga, Anjan Giri

The neutrino energy reconstruction is crucial for reducing systematic uncertainties in neutrino oscillation experiments and improving cross-section measurements. Kaon-Decays-At-Res…

hep-ph2025★ 1 cited

Lepton parity dark matter and naturally unstable domain walls

Ernest Ma, Partha Kumar Paul, Narendra Sahu

We propose a simple and predictive setup that connects neutrino masses, dark matter (DM), and gravitational waves. A minimal lepton parity DM scenario is considered where the resid…

hep-ph2025

Centre-of-momentum frame analysis of production in DUNE

R K Pradhan, R Lalnuntluanga, A Giri

A deep understanding of neutrino-nucleus interaction is crucial for the precise measurement of neutrino oscillation parameters and cross section measurements. Various nuclear effec…

hep-ph2025★ 2 cited

Fate of the scalar quartic couplings in the inert models

Priyotosh Bandyopadhyay, Pram Milan P. Robin

In this article we consider three inert models, namely the inert singlet model (ISM), inert triplet model (ITM), and inert doublet model (IDM) as beyond Standard Model scenarios, a…

hep-ph2025★ 2 cited

Verifiable type-III seesaw and dark matter in a gauged symmetric model

Satyabrata Mahapatra, Partha Kumar Paul, Narendra Sahu +1

We propose a new extension of the Standard Model that incorporates a gauged \( U(1)_{\rm B-L} \) symmetry and the type-III seesaw mechanism to explain neutrino mass generation and…

hep-ph2025★ 1 cited

Does thermal leptogenesis in a canonical seesaw rely on initial memory?

Partha Kumar Paul, Narendra Sahu, Shashwat Sharma

It is a common lore that in thermal leptogenesis within the type-I seesaw framework and a hierarchical spectrum of heavy right-handed neutrinos (RHNs), the CP-violating, out-of-equ…

hep-ph2025★ 24 cited

Super heavy dark matter origin of the PeV neutrino event: KM3-230213A

Kazunori Kohri, Partha Kumar Paul, Narendra Sahu

The recent observation of the ultrahigh-energy neutrino event KM3-230213A by the KM3NeT experiment offers a compelling avenue to explore physics beyond the Standard Model (SM). In…

hep-ph2024★ 8 cited

Anatomy of singlet-doublet dark matter relic: annihilation, co-annihilation, co-scattering, and freeze-in

Partha Kumar Paul, Sujit Kumar Sahoo, Narendra Sahu

The singlet-doublet vector-like fermion dark matter model has been extensively studied in the literature over the past decade. An important parameter in this model is the singlet-d…

hep-ph2024

CWebGen -- A tool to study colour structure of scattering amplitudes in IR limit

Neelima Agarwal, Sourav Pal, Aditya Srivastav +1

Infrared singularities in perturbative Quantum Chromodynamics (QCD) are captured by the Soft function, which can be calculated efficiently using Feynman diagrams known as webs. The…

hep-ph2024★ 4 cited

Improving target neutron momentum reconstruction using MINERA data

R K Pradhan, R Lalnuntluanga, A Giri

With the neutrino experiments advancing toward high-precision measurements and greater emphasis on reducing systematic uncertainties, improving the single-pion production models, a…

hep-ph2024

Neutrino Nonstandard Interactions and Lepton Flavor Universality violation at SND@LHC via charm production

Bhubanjyoti Bhattacharya, Alakabha Datta, Elena Graverini +3

In this work, we explore the effect of neutrino nonstandard interactions (NSI) involving the charm quark at SND@LHC. Using an effective description of new physics in terms of four-…

hep-ph2024★ 5 cited

Probing neutrino-nucleus interaction in DUNE and MicroBooNE

R Lalnuntluanga, R K Pradhan, A Giri

The neutrino experiments utilize heavy nuclear targets to achieve high statistics neutrino-nucleus interaction event rate, which leads to systematic uncertainties in the oscillatio…

hep-ph2024★ 18 cited

Asymmetric self-interacting dark matter with a canonical seesaw model

Debasish Borah, Satyabrata Mahapatra, Partha Kumar Paul +2

We study the possibility of generating dark matter (DM) and baryon asymmetry of the Universe (BAU) simultaneously in an asymmetric DM framework, which also alleviates the small-sca…

hep-ph2023★ 31 cited

Scotogenic origin of , W-mass anomaly and 95 GeV excess

Debasish Borah, Satyabrata Mahapatra, Partha Kumar Paul +1

We study a scotogenic extension of the minimal gauged model, including three right-handed singlet fermions and a scalar doublet all odd under an in-built symmetry t…

hep-ph2023★ 8 cited

Interplay of inert doublet and vector-like lepton triplet with displaced vertices at the LHC/FCC and MATHUSLA

Priyotosh Bandyopadhyay, Mariana Frank, Snehashis Parashar +1

We study the interaction between the inert Higgs doublet (IDM) dark matter and a vector-like triplet lepton (VLL), both of which are -odd. The vector current of the VL…

hep-ph2023★ 44 cited

When Energy Goes Missing: New Physics in with Sterile Neutrinos

Tobias Felkl, Anjan Giri, Rukmani Mohanta +1

Belle II recently reported the first measurement of , which is above the Standard Model prediction. We explore the available parameter space of new…

hep-ph2023★ 3 cited

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…

hep-ph2023★ 3 cited

Gauged symmetry, fourth generation, neutrino mass and dark matter

Satyabrata Mahapatra, Rabindra N. Mohapatra, Narendra Sahu

We present two models where the familiar leptonic symmetry is a gauge symmetry. We show how anomaly cancellation constrains the allowed theories, with one of them req…