Rojalin Padhan

activity

20242026

collaborators

7 papers

hep-ph2026

Higgs Scattering and Entanglement in SMEFT

Hyun Min Lee, Rojalin Padhan

We regard the weak isospin of the Higgs doublet as a qubit and classify the entanglement measures for the Higgs scattering in the Standard Model Effective Field Theories (SMEFT) an…

hep-ph2026

Probing lepton number violation at FCC-ee

Praveen Bharadwaj, Sanjoy Mandal, Rojalin Padhan +2

We propose high-multiplicity final-state signatures, such as $e^{+} e^{-} \to N N \to ℓ^{+} ℓ^{+} 4 j$ with $ℓ$ denoting $e, μ$ , $τ$ , as probes of lepton number violation (LN…

hep-ph2026

Illuminating Scalar Dark Matter Co-Scattering in EFT with Monophoton Signatures

GeneviÃ¨ve BÃ©langer, Manimala Mitra, Rojalin Padhan +1

We investigate the co-scattering mechanism for dark matter production in an EFT framework which contains new $Z_{2}$ -odd singlets, namely two fermions $N_{1, 2}$ and a real scalar $Ï…

hep-ph2025

Neutrino masses and mixed dark matter from doublet and singlet scalars

Jongkuk Kim, Seong-Sik Kim, Hyun Min Lee +1

We consider the extension of the Standard Model with an inert scalar doublet, three right-handed neutrinos, and singlet scalar fields, $I ¨ $ and $S$ . In this model, neutrino masses…

hep-ph2025

Reinterpretation and preservation of data and analyses in HEP

Jon Butterworth, Sabine Kraml, Harrison Prosper +145

Data from particle physics experiments are unique and are often the result of a very large investment of resources. Given the potential scientific impact of these data, which goes…

hep-ph2025

Small Neutrino Masses from a Decoupled Singlet Scalar Field

Jongkuk Kim, Seong-Sik Kim, Hyun Min Lee +1

We propose a unified solution with $Z_{4}$ discrete symmetry for small neutrino masses and stability of dark matter. The Standard Model is extended with an inert doublet scalar, a da…