Suvankar Chowdhury
Assistant Professor at UPES
New Delhi, Delhi, India
Summary
👤
Senior🎓
Top SchoolSuvankar Chowdhury is an assistant professor and former postdoctoral researcher with 11 years of experience in experimental high-energy physics, specializing in CMS tracker software and precision Standard Model measurements. He holds a PhD from Saha Institute of Nuclear Physics/University of Calcutta and has driven software development for CMS offline systems and NanoAOD tools, contributing validation, DQM modules, and pileup/weighting fixes used by the collaboration. His work blends detector-focused innovations—such as a novel method to measure the CMS strip tracker material budget—with ML-driven tracking algorithm development and efficient analysis frameworks for large HEP datasets. Based in New Delhi, he combines academic teaching with hands-on open-source contributions to widely used CMS repositories, reflecting a rare mix of experimental expertise and production-grade software engineering.
11 years of coding experience
5 years of employment as a software developer
Bachelor of Science - BS, Physics, First Class, Bachelor of Science - BS, Physics, First Class at St. Xavier's College (Autonomous), KolkataDoctor of Philosophy - PhD, High Energy Physics, Doctor of Philosophy - PhD, High Energy Physics at University of Calcutta
Github Skills (17)
root-view10
c-language10
python10
analyse10
physics10
document-root10
trackpoint10
cprogramming-language10
activity-tracker10
data-analysis10
data-processing9
data-monitoring9
data-visualization8
data-visualisation8
data-visualizations8
Programming languages (5)
Github contributions (5)
cms-sw/cmssw
Jun 2017 - Nov 2022
CMS Offline Software
Role in this project:
Back-end Developer
Back-end DeveloperContributions:72 reviews, 206 commits, 58 PRs in 5 years 6 months
Contributions summary:Suvankar primarily worked on modifying and improving the range of histograms, suggesting a focus on data analysis and visualization. The user added a phase2 IT rechit validation module and utility headers, indicating involvement in developing a new validation module for the tracker system. Furthermore, the user added a phase2 IT rechit DQM module, which points to involvement in monitoring data and performing checks on the tracker system.
cmshepcerncms-experimentc-plus-plus
cms-nanoAOD/nanoAOD-tools
Mar 2019 - Sep 2019
Tools for working with NanoAOD (requiring only python + root, not CMSSW)
Role in this project:Back-end Developer
Back-end DeveloperContributions:1 review, 19 commits, 7 PRs in 6 months
Contributions summary:Suvankar primarily contributed to the back-end tools for working with NanoAOD. Their work involved bug fixes in the `WeightCalculatorFromHistogram` class, which involved code changes to correctly calculate bin errors. They also updated the Muon Rochester corrections module, implying a focus on improving physics analysis tools within the repository. Furthermore, they updated the puWeight producer for 2017 and 2018, integrating specific pileup data and also added auto weight producers.
python
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