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- Homi Bhabha National InstituteIN282 papers
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6 papers · 2 filters
Gravitational Wave Signature and the Nature of Neutrino Masses: Majorana, Dirac, or Pseudo-Dirac?
Sudip Jana, Sudip Manna, Vishnu P. K
The fermionic nature of neutrinos and the origin of their tiny masses remain unresolved issues in particle physics, intrinsically connected to lepton number symmetry-conserved for…
Explaining 650 GeV and 95 GeV Anomalies in the 2-Higgs Doublet Model Type-I
Akshat Khanna, Stefano Moretti, Agnivo Sarkar
We propose an interpretation of a rather significant 650 GeV excess emerged at the Large Hadron Collider (LHC) from CMS Collaboration data in the final state, accompani…
From Symmetry Breaking to Majoron Cosmology: Insights from NANOGrav 15-year Data
Tathagata Ghosh, Kousik Loho, Sudip Manna
We study the cosmology of a modified majoron model motivated by the need to protect a global symmetry from gravity-induced hard explicit breaking (by operators) a…
Investigating the leptonic couplings of doubly charged scalars at the muon collider
Nivedita Ghosh, Santosh Kumar Rai, Tousik Samui +1
We study the lepton flavour conserving and violating couplings of a doubly charged scalar at a 3 TeV muon collider. Using a model independent Lagrangian, we analyse the electron el…
Vector Dark Matter in a extended 2HDM
Nandini Das, Juhi Dutta, Dilip Kumar Ghosh +1
We investigate the possibility of having a vector boson dark matter in a extended two-Higgs-doublet model (2HDM) setup. The gauge boson gains mass when a SM singlet comple…
Neutrino Theory in the Precision Era
Asmaa Abada, Gabriela Barenboim, Toni Bertólez-Martínez +76
This document summarises discussions on future directions in theoretical neutrino physics, which are the outcome of a neutrino theory workshop held at CERN in February 2025. The st…