71 citations · 1.3k across the 73 of their papers we have counts for
75 papers · 1 filter
Boosted top tagging via lepton-in-jet topology for vector-like quark searches in FCC-hh
Sanchari Bhattacharyya, Biplob Bhattacherjee, Kirana K. K. +1
In this paper, we present a machine-learning-based framework for identifying leptonically decaying, highly boosted top quarks, , at the Future Circular Collider: hadro…
Vanilla Scotogenic Model at the future Muon Collider
Niloy Mondal, Dipankar Pradhan, Abhik Sarkar +2
The vanilla scotogenic model (VSM) featuring three right-handed neutrinos and an inert scalar doublet, offers a unified explanation of neutrino masses, dark matter (DM), and the ba…
Hunting long-lived doubly charged scalars at the HL-LHC
Biplob Bhattacherjee, Rituparna Ghosh, Swagata Mukherjee +1
This work studies the collider phenomenology of long-lived doubly charged scalars. After reviewing the existing searches for the doubly charged scalar in both the prompt and the lo…
A new approach to long-lived particle detection at hadron colliders: the concept
Biplob Bhattacherjee, Arnav Chauhan, Swagata Mukherjee +2
We propose a fundamental shift in the search for beyond the Standard Model long-lived particles (LLPs) at high-luminosity hadron colliders by prioritizing physical background suppr…
Proposal for a shared transverse LLP detector for FCC-ee and FCC-hh and a forward LLP detector for FCC-hh
Biplob Bhattacherjee, Camellia Bose, Herbi K. Dreiner +5
As the particle physics community has explored most of the conventional avenues for new physics, the more elusive areas are becoming increasingly appealing. One such potential regi…
From obstacle to opportunity: uncovering the silver lining of pileup
Biplob Bhattacherjee, Abhinav Kumar, Swagata Mukherjee +2
The lack of evidence for Beyond Standard Model (BSM) particles might be due to their light mass and very weak interactions, as exemplified by BSM long-lived particles (LLPs). Such…
Long-lived Light Mediators in a Higgs Portal Model at the FCC-ee
Biplob Bhattacherjee, Camellia Bose, Herbi K. Dreiner +3
In the search for beyond the Standard Model (SM) physics, long-lived particles (LLPs) have emerged as potential candidates and are being explored in various ongoing experiments. Fu…
Tagging ultra-boosted jets at FCC-hh using machine learning techniques
Sanchari Bhattacharyya, Biplob Bhattacherjee, Camellia Bose +2
The Future Circular Hadron Collider (FCC-hh) will probe unprecedented energy regimes, enabling direct searches for new elementary particles at a scale of tens of TeV. FCC-hh is cur…
Exploring the Singlino-dominated Thermal Neutralino Dark Matter in the invariant NMSSM
Amit Adhikary, Rahool Kumar Barman, Biplob Bhattacherjee +2
We examine the parameter space of the Next to Minimal Supersymmetric Standard Model (NMSSM) with Singlino-dominated neutralino as the lightest supersymmetric part…
Current status of the light neutralino thermal dark matter in the phenomenological MSSM
Rahool Kumar Barman, Genevieve Bélanger, Biplob Bhattacherjee +2
In a previous publication, we studied the parameter space of the phenomenological Minimal Supersymmetric Standard Model (pMSSM) with a light neutralino thermal dark matter ($M_{\ti…
LLPNet: Graph Autoencoder for Triggering Light Long-Lived Particles at HL-LHC
Biplob Bhattacherjee, Partha Konar, Vishal Singh Ngairangbam +1
In the search for exotic events involving displaced particles at HL-LHC, the triggering at the level-1 (L1) system will pose a significant challenge. This is particularly relevant…
Search for Electroweakinos in R-Parity Violating SUSY with Long-Lived Particles at HL-LHC
Biplob Bhattacherjee, Prabhat Solanki
We investigate the R-parity violating (RPV) supersymmetric (SUSY) model at the High-Luminosity Large Hadron Collider (HL-LHC) in the context of compact muon solenoid (CMS) experime…
Light long-lived particles at the FCC-hh with the proposal for a dedicated forward detector FOREHUNT and a transverse detector DELIGHT
Biplob Bhattacherjee, Herbi K. Dreiner, Nivedita Ghosh +3
In this paper, we propose a dedicated forward detector, FOREHUNT (FORward~Experiment~for~HUNdred~TeV), for 100 TeV FCC-hh for the detection of light long-lived particles (LLP) comi…
Boosted top tagging and its interpretation using Shapley values
Biplob Bhattacherjee, Camellia Bose, Amit Chakraborty +1
Top tagging has emerged as a fast-evolving subject due to the top quark's significant role in probing physics beyond the standard model. For the reconstruction of top jets, machine…
Prospects for exotic decays in single and di-Higgs boson production at the LHC and future hadron colliders
Amit Adhikary, Shankha Banerjee, Rahool Kumar Barman +5
We study the prospects for observing exotic decays of the Standard Model Higgs boson into light beyond the Standard Model scalars with mass in the…
Long live The NMSSM!
Amit Adhikary, Rahool Kumar Barman, Biplob Bhattacherjee +3
We analyze the scenario within the Next to Minimal Supersymmetric Standard Model (NMSSM), where the lightest supersymmetric particle (LSP) is singlino-like neutralino. By systemati…
Is the light neutralino thermal dark matter in the pMSSM ruled out?
Rahool Kumar Barman, Geneviève Bélanger, Biplob Bhattacherjee +2
We explore the parameter space of the phenomenological Minimal Supersymmetric Standard Model (pMSSM) with a light neutralino thermal dark matter () that…
Dedicated Triggers for Displaced Jets using Timing Information from Electromagnetic Calorimeter at HL-LHC
Biplob Bhattacherjee, Tapasi Ghosh, Rhitaja Sengupta +1
In this paper, we study the prospect of ECAL barrel timing to develop triggers dedicated to long-lived particles decaying to jets, at the level-1 of HL-LHC. We construct over 20 ti…
Long-Lived Light Mediators from Higgs boson Decay at HL-LHC, FCC-hh and a Proposal of Dedicated LLP Detectors for FCC-hh
Biplob Bhattacherjee, Shigeki Matsumoto, Rhitaja Sengupta
We study the pair production of the long-lived mediator particles from the decay of the SM Higgs boson and their subsequent decay into standard model particles. We compute the proj…
XENON1T Excess: Some Possible Backgrounds
Biplob Bhattacherjee, Rhitaja Sengupta
This work is a study of some possible background sources in the XENON1T environment which might affect the energy spectrum of electronic recoil events in the lower side and might c…
Prospects of non-resonant di-Higgs searches and Higgs boson self-coupling measurement at the HE-LHC using machine learning techniques
Amit Adhikary, Rahool Kumar Barman, Biplob Bhattacherjee
The prospects of observing the non-resonant di-Higgs production in the Standard Model at the proposed high energy upgrade of the LHC, the HE-LHC( a…
Current bounds and future prospects of light neutralino dark matter in NMSSM
Rahool Kumar Barman, Genevieve Bélanger, Biplob Bhattacherjee +3
Unlike its minimal counterpart, the Next to Minimal supersymmetric Standard Model (NMSSM) allows the possibility that the lightest neutralino could have a mass as small as $\sim 1…
Triggering long-lived particles in HL-LHC and the challenges in the first stage of the trigger system
Biplob Bhattacherjee, Swagata Mukherjee, Rhitaja Sengupta +1
Triggering long-lived particles at the first stage of the trigger system is very crucial in LLP searches to ensure that we do not miss them at the very beginning. The future High L…
Electroweakino searches at the HL-LHC in the baryon number violating MSSM
Rahool Kumar Barman, Biplob Bhattacherjee, Indrani Chakraborty +2
The projected reach of direct electroweakino searches at the HL-LHC ( LHC) in the framework of simplified models with R-parity violating…