71 citations · 180 across the 22 of their papers we have counts for
23 papers
Generalised Dynamic Radius Jets for Robust Collider Analyses
Songshaptak De, Tousik Samui, Ritesh K. Singh
Jets and their reconstructions play a central role in precision measurements and searches for new physics at hadron colliders. Conventional jet clustering algorithms employ a fixed…
Associated Higgs production in lepton-photon collisions at FCC-ee
Pankaj Agrawal, Biswajit Das, Tousik Samui
Following the HL-LHC era, proposed lepton colliders highlight the need to study various important Higgs boson production mechanisms to precisely probe the Standard Model Higgs sect…
Unfolding quantum entanglement from at a muon collider
Songshaptak De, Atri Dey, Tousik Samui
We explore the potential to study quantum entanglement through Bell-type inequalities in Higgs boson decays at a future muon collider. Our analysis focuses on the channel $μ^+ μ^-…
Improving sensitivity of vectorlike top partner searches with jet substructure
Anupam Ghosh, Soumyadip Ghosh, Soureek Mitra +2
Vectorlike quark partners appear in many BSM models and remain an important area of research, as they can offer insights into the electroweak symmetry breaking mechanism. In this w…
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…
Jet Substructure Probe on Scalar Leptoquark Models via Top Polarization
Anupam Ghosh, Partha Konar, Tousik Samui +1
The study of leptoquarks and their couplings to fermions with different chiralities provides a powerful tool for distinguishing among different leptoquark models. As a case study,…
Jet Substructure Analysis for Distinguishing Left- and Right-Handed Couplings of Heavy Neutrino in Decay at the HL-LHC
Songshaptak De, Atri Dey, Tousik Samui
The search for heavy bosons in their decay modes to a lepton and a heavy neutrino offers a promising avenue for probing new physics beyond the Standard Model. This work focuse…
Heavy Neutrino as Dark Matter in a Neutrinophilic U(1) Model
Waleed Abdallah, Anjan Kumar Barik, Santosh Kumar Rai +1
We study the prospect of heavy singlet neutrinos as a dark matter (DM) candidate within a neutrinophilic U(1) model, where the Standard Model (SM) is extended with a U(1) gauge sym…
Improving probes of coupling in the Type-X two Higgs Doublet Model scenario: the crucial role of -jet charge identification
Biswarup Mukhopadhyaya, Sirshendu Samanta, Tousik Samui +1
The exotic decay modes of the already discovered 125-GeV scalar into a pair of light pseudoscalars is a good probe of those new physics scenarios where such pseudoscalars exist. Se…
Search For a Leptoquark and Vector-like Lepton in a Muon Collider
Nivedita Ghosh, Santosh Kumar Rai, Tousik Samui
The proposal for a high-energy muon collider offers many opportunities in the search for physics beyond the Standard Model (BSM). The collider by construction is likely to be more…
Search for Lepton Flavor Violating Signals at the Future Electron-Proton Colliders
Anjan Kumar Barik, Atri Dey, Tousik Samui
The search for lepton flavor violation (LFV) is a powerful probe to look for new physics beyond the Standard Model. We explored the possibility of searches for LFV boson coupli…
Novel signals for the Type-X two Higgs doublet scenario at the Large Hadron Collider
Biswarup Mukhopadhyaya, Sirshendu Samanta, Tousik Samui +1
We consider, in the context of the Large Hadron Collider, the signals of the Type-X two Higgs doublet model (2HDM) in the parameter region answering to the best possible solution t…
Dynamic Radius Jet Clustering Algorithm
Biswarup Mukhopadhyaya, Tousik Samui, Ritesh K. Singh
The study of standard QCD jets produced along with fat jets, which may appear as a result of the decay of a heavy particle, has become an essential part of collider studies. Curren…
Collider Signatures of a Scalar Leptoquark and Vector-like Lepton in Light of Muon Anomaly
Nivedita Ghosh, Santosh Kumar Rai, Tousik Samui
Despite the immense success of the Standard Model, the hunt for physics beyond the Standard Model has continued. Extension of the SM gauge group or the particle content of the SM r…
Jet Substructure and Multivariate Analysis Aid in Polarization Study of Boosted, Hadronic Fatjet at the LHC
Atri Dey, Tousik Samui
Study of polarization of heavy particles is an important branch of research in today's collider studies. The massive boson has two types of polarization states, which usually a…
Emergent new symmetry from the Higgs shadow
Waleed Abdallah, Anjan Kumar Barik, Santosh Kumar Rai +1
We show in this Letter how a new hidden gauge symmetry responsible for neutrino mass as well as dark matter (DM) in the Universe can be discovered through scalar mediators responsi…
Search for a light at LHC in a neutrinophilic model
Waleed Abdallah, Anjan Kumar Barik, Santosh Kumar Rai +1
We consider a neutrinophilic extension of the standard model (SM) which couples only to SM isosinglet neutral fermions, charged under the new group. The neutral fermions cou…
Thermalization in different phases of charged SYK model
Tousik Samui, Nilakash Sorokhaibam
We study thermalization of charged SYK model in two different phases. We show that both the highly chaotic liquid phase and the dilute gas phase thermalize. Surprisingly the dilute…
Improving Heavy Dijet Resonance Searches Using Jet Substructure at the LHC
Aruna Kumar Nayak, Santosh Kumar Rai, Tousik Samui
The search for new physics at high energy accelerators has been at the crossroads with very little hint of signals suggesting otherwise. The challenges at a hadronic machine such a…
Mixed WIMP-axion dark matter
Suman Chatterjee, Anirban Das, Tousik Samui +1
We study the experimental constraints on a model of a two-component dark matter, consisting of the QCD axion, and a scalar particle, both contributing to the dark matter relic abun…
Les Houches 2017: Physics at TeV Colliders Standard Model Working Group Report
J. Bendavid, F. Caola, V. Ciulli +102
This Report summarizes the proceedings of the 2017 Les Houches workshop on Physics at TeV Colliders. Session 1 dealt with (I) new developments relevant for high precision Standard…
Mixed Higgs-Radion States at the LHC -- a Detailed Study
Amit Chakraborty, Ushoshi Maitra, Sreerup Raychaudhuri +1
Light radions constitute one of the few surviving possibilities for observable new particle states at the sub-TeV level which arise in models with extra spacetime dimensions. It is…
Radion Candidate for the LHC Diphoton Resonance
Debjyoti Bardhan, Disha Bhatia, Amit Chakraborty +3
The recent observation of a modest excess in diphoton final states at the LHC, by both the ATLAS and CMS Collaborations, has sparked off the expected race among theorists to find t…