121 citations · 1.6k across the 71 of their papers we have counts for
69 papers · 1 filter
Probing Boosted Light Scalars in the Type-I 2HDM
Partha Konar, Tanmoy Mondal, Chandrima Sen
In the Type-I two-Higgs Doublet Model (2HDM), the additional scalars may be light ( GeV) without conflicting with experimental constraints from LHC searches or from f…
Unveiling a Hidden Epoch: Impact of Mediator Induced Matter Domination in Freeze-in Dark Matter
Partha Konar, Sudipta Show
Freeze-in dark matter has recently garnered significant attention as a promising framework due to its feeble interactions, which are consistent with the null results from dark matt…
Stable and Interpretable Jet Physics with IRC-Safe Equivariant Feature Extraction
Partha Konar, Vishal S. Ngairangbam, Michael Spannowsky +1
Deep learning has achieved remarkable success in jet classification tasks, yet a key challenge remains: understanding what these models learn and how their features relate to known…
Illuminating Degenerate Dark Sector of Inert Doublet Model at Muon Collider
Anupam Ghosh, Partha Konar, Chandrima Sen +1
The Inert scalar Doublet Model (IDM) presents a simple yet elegant framework for a scalar dark sector where the lightest mode functions as a viable dark matter candidate under a $\…
Unraveling Freeze-in Dark matter through the echoes of gravitational waves
Partha Konar, Sudipta Show
In the quest to unravel the dark sector, feebly interacting freeze-in dark matter presents an intriguing possibility, plausibly explaining the consistent null results from various…
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,…
Collider fingerprints of freeze-in dark matter produced during the fast expansion phase of Universe
Anupam Ghosh, Partha Konar, Sudipta Show
We examine a simple dark sector extension where the observed dark matter (DM) abundance arises from a freeze-in process through the decay of heavy vector-like quarks into a scalar…
Unveiling desert region in inert doublet model assisted by Peccei-Quinn symmetry
Anupam Ghosh, Partha Konar
The Inert Higgs Doublet model (IDM), assisted by Peccei-Quinn (PQ) symmetry, offers a simple but natural framework of a dark sector that accommodates Weakly Interacting Massive Par…
Foundations of automatic feature extraction at LHC--point clouds and graphs
Akanksha Bhardwaj, Partha Konar, Vishal S. Ngairangbam
Deep learning algorithms will play a key role in the upcoming runs of the Large Hadron Collider (LHC), helping bolster various fronts ranging from fast and accurate detector simula…
Unitarity Bound on Dark Matter in Low-temperature Reheating Scenarios
Nicolás Bernal, Partha Konar, Sudipta Show
Model-independent theoretical upper bound on the thermal dark matter (DM) mass can be derived from the maximum inelastic DM cross-section featuring the whole observed DM abundance.…
Hypergraphs in LHC Phenomenology -- The Next Frontier of IRC-Safe Feature Extraction
Partha Konar, Vishal S. Ngairangbam, Michael Spannowsky
In this study, we critically evaluate the approximation capabilities of existing infra-red and collinear (IRC) safe feature extraction algorithms, namely Energy Flow Networks (EFNs…
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…
Precision prediction of a democratic up-family philic KSVZ axion model at the LHC
Anupam Ghosh, Partha Konar
In this work, we study the singlet complex scalar extended KSVZ model that, in addition to providing a natural solution to the strong-CP problem, furnishes two components…
Precise probing and discrimination of third-generation scalar leptoquarks
Anupam Ghosh, Partha Konar, Debashis Saha +1
We explore the pair production of third-generation scalar leptoquark at the Large Hadron Collider to next-to-leading order accuracy in QCD, matched to parton shower for a precise p…
Jet substructure probe to unfold singlet-doublet dark matter in the presence of non-standard cosmology
Prasanta Kumar Das, Partha Konar, Saumyen Kundu +1
We examine the singlet-doublet fermionic dark matter model, where the non-thermal production of the dark matter in light of a non-standard cosmology demands a significantly large i…
Top-philic Dark Matter in a Hybrid KSVZ axion framework
Anupam Ghosh, Partha Konar, Rishav Roshan
We explore a two-component dark matter scenario in an extended Kim-Shifman-Vainshtein-Zakharov (KSVZ) axion framework. This hybrid setup incorporates an extra complex sin…
Thermally corrected masses and freeze-in dark matter: a case study
Nabarun Chakrabarty, Partha Konar, Rishav Roshan and +1
If coupled \emph{feebly} to the Standard Model bath, a dark matter can evade the severe constraints from the direct search experiments. At the same time, such interactions help pro…
IRC-safe Graph Autoencoder for unsupervised anomaly detection
Oliver Atkinson, Akanksha Bhardwaj, Christoph Englert +3
Anomaly detection through employing machine learning techniques has emerged as a novel powerful tool in the search for new physics beyond the Standard Model. Historically similar t…
Influence of QCD parton shower in deep learning invisible Higgs through vector boson fusion
Partha Konar, Vishal S. Ngairangbam
Vector boson fusion established itself as a highly reliable channel to probe the Higgs boson and an avenue to uncover new physics at the Large Hadron Collider. This channel provide…
Self-interacting freeze-in dark matter in a singlet doublet scenario
Purusottam Ghosh, Partha Konar, Abhijit Kumar Saha +1
We examine the non-thermal production of dark matter in a scalar extended singlet doublet fermion model where the lightest admixture of the fermions constitutes a suitable dark mat…
Precise probing of the inert Higgs-doublet model at the LHC
Anupam Ghosh, Partha Konar, Satyajit Seth
The inert Higgs-doublet model provides a simple framework to accommodate a viable Higgs portal scalar dark matter candidate, together with other heavier scalars of mass 100 GeV or…
Freeze-in Dark Matter Through Forbidden Channel in
Partha Konar, Rishav Roshan, Sudipta Show
We examine a scenario for freeze-in production of dark matter, which occurs due to the large thermal correction to the mass of a decaying mediator particle present in the thermal b…
Energy-weighted Message Passing: an infra-red and collinear safe graph neural network algorithm
Partha Konar, Vishal S. Ngairangbam, Michael Spannowsky
Hadronic signals of new-physics origin at the Large Hadron Collider can remain hidden within the copiously produced hadronic jets. Unveiling such signatures require highly performa…
Probing non-standard interaction at the LHC at TeV
Partha Konar, Biswarup Mukhopadhyaya, Rafiqul Rahaman +1
In the detailed probe of Higgs boson properties at the Large Hadron Collider, and in looking for new physics signatures in the electroweak symmetry breaking sector, the bottom quar…