Raghav Kansal
Raghav Kansal
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Standard Model
Stats for HEP
ML for HEP
LHC and CMS
ML
Higgs Searches
Interested in precision measurements of the Higgs boson, as well as searches for new Higgs-like particles to explain mysteries such as baryon asymmetry.
Poster
ML for Fast Simulations
Leading the effort on several state-of-the-art generative models to accelerate LHC simulations. Developing as well validation and benchmarking schemes in order to bring them into CMS. Published at NeurIPS, PRD, and more.
Equivariant Neural Networks
Developed graph-based and Lorentz-equivariant models to better suit our high energy physics data. Our Lorentz-group autoencoder (LGAE) outperforms graph and convolutional networks on jet compression and anomaly detection tasks. Latest work published at EPJC.
Review
JetNet
Developed a library for convenient access to jet datasets, and other utilities, to increase accessibility and reproducibility in ML in particle physics. >35,000 downloads as of September 2023, used in several ML and particle physics projects.
Anomaly Detection
Developed several approaches for finding rare particle collisions, including GNNs, Lorentz-equivariant networks, and multi-variate goodness-of-fit tests.
Explainable AI
Interpreting results of machine learning models for reconstruction and jet classification using explainable AI techniques.
Sequential Modeling for Soccer Predictions
Fun project to gain experience with RNNs and Attention. I achieved a 71% testing accuracy in predicting the outcome of European football matches.
Code
Multimarginal Flow Matching with Optimal Transport Potentials
A novel flow matching technique for inferring physical trajectories from observations snapshots, based on a physics-inspired modification of dynamic optimal transport. SOTA results on biological, meteorogical, and oceanographic datasets.
Raghav Kansal
,
David Crair
,
Nghia Nguyen
,
Scott Pope
,
Brad Parry
Cite
An Evaluation of Representation Learning Methods in Particle Physics Foundation Models
Michael Chen
,
Raghav Kansal
,
Abhijith Gandrakota
,
Zichun Hao
,
Jennifer Ngadiuba
,
Maria Spiropulu
PDF
arXiv
Cite
RINO: Renormalization Group Invariance with No Labels
A novel physics-informed self-supervised pretraining strategy for foundation models in physics. SOTA results on transfer learning between simulations and real data.
Zichun Hao
,
Raghav Kansal
,
Abhijith Gandrakota
,
Chang Sun
,
Jennifer Ngadiuba
,
Javier Duarte
,
Maria Spiropulu
PDF
arXiv
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