Hannah Bossi Experimental Nuclear & Particle Physics · MIT

Curriculum Vitae

Hannah Bossi · Postdoctoral Associate, MIT Physics (MITHIG)

Download CV (PDF)

Contact

MIT Physics Department, 182 Memorial Dr, Cambridge, MA 02139, USA
hannah.bossi@cern.ch · (207) 408-9585
GitHub · INSPIRE-HEP
Jets in heavy-ion collisionsEnergy-energy correlatorsPrecision QCD with archived e+e− dataMachine learning in HEPReal-time AI triggersForward detectors (ZDC, FSC)

Appointments

  1. 2023 – present
    Postdoctoral Associate, Massachusetts Institute of Technology
    Physics Department, MIT Heavy Ion Group (MITHIG)

Education

  1. 2018 – 2023
    Ph.D. Physics, Yale University
    Thesis: Novel Uses of Machine Learning for Differential Jet Quenching Measurements at the LHC · Advisor: John Harris
  2. 2021
    M.S., M.Phil. Physics, Yale University
  3. 2014 – 2018
    B.A. Physics and Computer Science, Colby College

Collaboration Membership

  1. 2023 – present
    sPHENIX Collaboration
    Brookhaven National Laboratory, New York
  2. 2023 – present
    CMS Collaboration
    CERN, Geneva, Switzerland
  3. 2023 – present
    Electron-Positron Alliance (Archived Data)
  4. 2017 – 2023
    ALICE Collaboration
    CERN, Geneva, Switzerland

Research Experience

  1. 2023 – present
    CMS Collaboration
    CERN
    • Photon-tagged jet axis decorrelation measurement in heavy-ion collisions
    • Evidence of medium response to hard probes with Z–hadron correlations
    • First measurement of D0 meson photoproduction in ultra-peripheral heavy-ion collisions
    • Development and commissioning of the CMS Forward Shower Counter (FSC)
    • Development and commissioning of the CMS Zero Degree Calorimeter (ZDC) and its trigger system
  2. 2023 – present
    sPHENIX Collaboration
    BNL
    • Development of next-generation AI-based trigger systems for sPHENIX and the EIC
  3. 2023 – present
    Electron-Positron Alliance (Archived Data)
    • Precision measurement of energy-energy correlators from the collinear to the Sudakov limit
  4. 2017 – 2023
    ALICE Collaboration
    CERN
    • Measurement and interpretation of the cone-size dependence of charged-particle jet suppression
    • Implementation of a novel machine-learning-based background subtraction technique for jets in heavy-ion collisions
    • Time-reclustered measurements of jets and their substructure in pp collisions
    • Development, validation, and commissioning of automated bad-channel calibration of the ALICE Electromagnetic Calorimeter in Run 3
    • ALICE Run 3 data preparation, focused on validation and implementation of the O2 jet software framework
  5. 2023 – present
    Phenomenological Studies
    • Imaging the wake of the jet with energy correlators (2023–present)
    • Machine-learning-based calorimeter clustering at the EIC (2023)

Selected Publications

  1. 2025
    Energy Correlators from Partons to Hadrons: Unveiling the Dynamics of the Strong Interactions with Archival ALEPH Data
    e+e− alliance · Submitted to Nature · arXiv:2511.00149
  2. 2025
    Evidence of medium response to hard probes using correlations of Z bosons with hadrons in heavy ion collisions
    CMS Collaboration · Submitted to Phys. Lett. B · arXiv:2507.09307
  3. 2024
    First measurement of jet axis decorrelation with photon-tagged jets in pp and PbPb collisions at 5.02 TeV
    CMS Collaboration · CMS-PAS-HIN-21-019
  4. 2024
    Measurement of the radius dependence of charged-particle jet suppression in Pb–Pb collisions at √sNN = 5.02 TeV
    ALICE Collaboration · Phys. Lett. B 849 (2024) 138412
  5. 2025
    Machine Learning Power Week 2023: Clustering in Hadronic Calorimeters
    Submitted to Computing and Software for Big Science · arXiv:2508.09938
  6. 2026
    The Colors of Jet Quenching
    Prepared for submission to Phys. Rev. Lett. · arXiv:2609.05609

See the Publications page for the curated list, or INSPIRE-HEP for all 282 papers.

Selected Invited Talks

  1. Aug 2026
    Overview of recent experimental progress in inferring QGP properties
    Strong and Electroweak Matter 2026 (SEWM) · Helsinki, Finland
  2. Jul 2026
    Experimental Summary
    BOOST 2026 · Kraków, Poland
  3. Apr 2026
    Energy Correlators Across Collision Systems
    Probing our Understanding of Quark Gluon Matter, Kavli Institute for Theoretical Physics · Santa Barbara, CA, USA
  4. Feb 2026
    Insights at the extremes: Exploring the limits of Hot and Cold QCD
    Special CFNS Seminar, Stony Brook University · Stony Brook, NY, USA
  5. Nov 2025
    Energy Correlators at the Recycling Frontier: Unveiling QCD Dynamics with Archival ALEPH Data
    Niels Bohr Seminar, University of Manchester · Manchester, UK
  6. Apr 2025
    Machine learning as a technique for physics analysis
    Quark Matter 2025 · Frankfurt, Germany
  7. Sept 2024
    Machine learning for the analysis of hard probes
    Hard Probes 2024 — 12th Int. Conf. on Hard and Electromagnetic Probes of High-Energy Nuclear Collisions · Nagasaki, Japan

Complete list of 32 invited and 24 contributed talks on the Talks page.

Honors & Awards

  1. 2025
    Breakthrough Prize in Fundamental Physics
    Awarded to co-authors of publications based on LHC Run-2 data at the experimental collaborations
  2. 2025
    CMS Award for outstanding contributions to the CMS experiment
    For major contributions to the refurbishment of the Zero Degree Calorimeter (ZDC) and streamlining of the ZDC software
  3. 2022 – 2023
    D. Alan Bromley Fellowship
    Yale University
  4. 2020 – 2023
    National Science Foundation Graduate Research Fellowship
  5. 2020
    Nada Ledinko Fellowship
  6. 2018
    Phi Beta Kappa

Professional Activities

  1. 2025 – present
    CMS High-pT PInG L3 Convener
    Convener of the physics interest group focusing on high-pT probes
  2. 2025 – present
    CMS FSC Software Coordinator
    Coordinating all software activities for the newly installed CMS Forward Shower Counter for diffractive physics
  3. 2025 – present
    Analysis Review Committee (CMS internal)
    Multiplicity and transverse-momentum dependence of two-particle number and pT correlations in pp collisions at 13 TeV
  4. 2025
    Organizer, New Opportunities in Particle and Nuclear Physics with Energy Correlators
    Inaugural workshop held at the Central China Center for Nuclear Theory
  5. 2024 – present
    CMS ZDC/HCAL DPG Software Coordinator
    Coordinating all software activities for the CMS ZDC
  6. 2024 – present
    CMS ZDC Working Group Member
    Served on the task force to re-commission the ZDC following the bakeout of LHC Sector 45
  7. 2023 – 2025
    Analysis Review Committee (CMS internal)
    Search for medium effects using jet axis decorrelation in inclusive jets from PbPb collisions at √sNN = 5.02 TeV
  8. 2023
    Organizer, INT-21-2B: Probing QCD at High Energy and Density with Jets
  9. 2023
    Organizer, HGS-HIRe ML Power Week: ML-Based Clustering at the EIC
  10. 2022 – 2023
    Co-coordinator, ALICE Machine Learning Working Group
  11. 2021 – 2023
    Analysis Review Committees (ALICE internal)
    Inclusive jet pT spectrum in pp collisions at √s = 8 TeV; hardest kT,g jet splittings in pp and Pb–Pb collisions at √sNN = 5.02 TeV; jet-axis differences in pp collisions at √s = 5.02 TeV

Teaching & Mentoring

  1. 2026 – present
    Xiaolin Rong
    Graduate student, MIT
  2. 2023 – present
    Yu-Chen Chen
    Graduate student, MIT
  3. 2023 – present
    Arjun Kudinoor
    Graduate student, MIT
  4. 2024 – 2025
    Molly Park
    Graduate student, MIT
  5. 2023 – 2024
    Ananya Rai
    Graduate student, Yale University
  6. 2022 – 2023
    Zihui (Mary) Zhang
    Undergraduate student, Colby College
  7. 2019 – 2020
    Teaching Fellow, Yale University
    Modern Physical Measurement
  8. 2018 – 2019
    Teaching Fellow, Yale University
    General Physics Laboratory
  9. 2014 – 2018
    Teaching Assistant, Colby College
    Computation and Visual Thinking; Foundations of Mechanics; Foundations of Electricity and Magnetism

Outreach & Service

  1. 2025 – present
    Pen-Pal, Letters to a Pre-Scientist
  2. 2024 – present
    CMS Young Scientist Committee, US Regional Representative
  3. 2021 – 2023
    ALICE Junior Representative
  4. 2020 – 2023
    ALICE USA Junior Ambassador
  5. 2020 – 2023
    Representative, Graduate Student Advisory Committee
    Yale University
  6. 2020 – 2021
    Representative, Graduate Curriculum Review Committee
    Yale University
  7. 2022
    Session Organizer, Pathways Summer Scholars
  8. 2019 – 2023
    Organizer, LHC Masterclass
    Yale University
  9. 2021 – 2022
    Chair, Graduate Women in Physics+
    Yale University
  10. 2018 – 2023
    Volunteer, Girls’ Science Investigations
    Yale University

In the News

  1. 2026
    “How explorations in physics have informed artificial intelligence”
    Innovation News
  2. 2024
    “A charming look into the structure of nuclei using collisions with photon clouds”
    CMS News
  3. 2024
    “CMS uses photons to probe the structure of nuclei”
    CERN News
  4. 2023
    ALICE Ph.D. thesis: Hannah J. Bossi, Yale University
    YouTube summary
  5. 2022
    Yale Wright Lab physicists travel to a conference in Poland
    YouTube video
  6. 2021
    “Who’s Who at the Lab – Hannah Bossi”
    Wright Lab News
  7. 2020
    “What are we made of?”
    Colby News