3 papers
hep-ph2026
Implications of portal vector-like lepton on associated Higgs production at a multi-TeV muon collider
Krishna Tewary, Sanjoy Biswas, Shivam Verma
We have explore a portal vector-like lepton (pVLL) extension of the Standard Model (SM) and study its implications for Higgs and vector-boson associated production (, with $~V…
hep-ph2026
Electroweak phase transitions in a extension of the standard model with dimension-six operators: Gravitational waves and LHC signatures
Arka Bhattacharyya, Sanjoy Biswas, Saurabh Niyogi
We investigate the possibility of realizing strong first-order electroweak phase transition (SFOEWPT) in an effective field theory framework where the Standard Model is extended wi…
hep-ph2025
Machine learning tagged boosted dark photon: A signature of fermionic portal matter at the LHC
Shivam Verma, Sanjoy Biswas, Tanumoy Mandal +1
We use a Hybrid Deep Neural Network (HDNN) to identify a boosted dark photon jet as a signature of a heavy vector-like fermionic portal matter (PM) connecting the visible and the d…