Steven Gardiner Receives Early Career Award to Advance Low-Energy Neutrino Research at DUNE

Why It Matters

The award accelerates low‑energy neutrino capabilities at DUNE, opening a new observational window that could transform both particle‑physics theory and our understanding of cosmic events.

Key Takeaways

• Gardiner wins DOE Early Career Award to study low‑energy neutrinos at DUNE
• DUNE, built for high‑energy beams, can detect solar and supernova neutrinos
• Upgrading MARLEY simulation improves identification of rare neutrino‑argon collisions
• Low‑energy neutrino data could reveal physics beyond the Standard Model

Pulse Analysis

The Department of Energy’s Early Career Award positions Steven Gardiner at the forefront of a strategic shift for the Deep Underground Neutrino Experiment. DUNE, a 40‑kiloton liquid‑argon detector located deep underground in South Dakota, was conceived to study high‑energy neutrino beams from Fermilab. Gardiner’s award redirects part of its massive detection capability toward low‑energy neutrinos, a regime traditionally explored by smaller, specialized experiments. By leveraging DUNE’s unprecedented volume and sensitivity, researchers hope to capture fleeting signals from solar fusion, distant supernovae, and even exotic phenomena such as dark‑matter annihilation.

Central to this effort is the enhancement of MARLEY (Model of Argon Reaction Low Energy Yields), a sophisticated Monte‑Carlo code that simulates how low‑energy neutrinos interact with argon nuclei. Because neutrinos rarely interact, distinguishing genuine events from background noise demands ultra‑precise modeling of collision by‑products. Gardiner’s expertise in neutron transport informs the refinement of MARLEY, enabling more accurate reconstruction of particle tracks and better discrimination of potential new‑physics signatures. Improved simulations could expose deviations from the Standard Model, such as sterile neutrinos or non‑standard interactions, providing critical clues about the fundamental forces governing the universe.

Beyond particle physics, low‑energy neutrino observations promise breakthroughs in astrophysics. Neutrinos escape dense stellar cores unimpeded, offering a direct probe of processes inside the Sun and the violent birth of supernovae. Detecting these particles with DUNE would complement electromagnetic observations, delivering a multi‑messenger view of cosmic events. The DOE funding not only fuels technical upgrades but also signals a broader policy commitment to interdisciplinary science, where high‑energy facilities serve as versatile observatories for the cosmos. As Gardiner’s project matures, DUNE could become a premier neutrino telescope, reshaping research agendas across both fundamental physics and astronomy.