Neutrinos are among the most abundant particles in the universe, a billion times more so than those composing stars.
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We have a new paper out in Physical Review D today!
Using high-statistics data from the NOvA Near Detector, this paper presents a detailed study of muon antineutrino charged-current neutral pion production on a hydrocarbon target at energies around 2 GeV.
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The results provide new constraints on interaction modeling, with sensitivity to the Delta(1232) resonance region, and help reduce systematic uncertainties for current and future long-baseline neutrino oscillation experiments.
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Read the publication in PRD here: journals.aps.org/prd/abstrac…
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Shout out to Jiangmen Underground Neutrino Observatory (JUNO) for a really interesting result out in @nature today! Two NOvA collaborators, Tricia Vahle (@williamandmary) and Zoya Vallari (@OhioState), have a Nature "News and Views" write up of just why this is so cool.
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This first result from JUNO marks the dawn of the next era of precise neutrino oscillation measurements, and it promises fresh insights into the properties of these mysterious fundamental particles."
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Read all about it here: nature.com/articles/d41586-0…
We're excited to see updates from JUNO at #neutrino2026, and of course, excited to show you what we on NOvA have been working on 👀
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The talk highlighted how NOvA's software and computing systems have evolved over more than a decade of data taking and analysis, supporting world-leading neutrino physics while adapting to new workflows, including machine-learning-based reconstruction.
#CHEP2026
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Thanks to the CHEP organizers and to the many NOvA collaborators whose software, computing, operations, and analysis work make this physics possible.
#CHEP2026
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Please join us in congratulating Linda Cremonesi (@imperialcollege) on becoming NOvA's new co-spokesperson. We're excited to welcome Linda into this leadership role and look forward to the insight, energy, and vision she will bring to the collaboration.
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Today we celebrate and thank Tricia Vahle (@williamandmary) for 8 years of outstanding stewardship of NOvA. Tricia's leadership, dedication, and care have helped shape an important era for the experiment. We are deeply grateful for all she has given to NOvA and the community.
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Check out this new article on phys.org about NOvA and our latest three-flavour oscillation results, featuring our spokespeople, Tricia Vahle and Alex Himmel 👀
phys.org/news/2026-02-nova-n…
📸 Fermilab Creative Services
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Big week for NOvA!
We ran a special generator at our Near Detector, flooding it with billions of neutrons. Neutrons are notoriously hard to detect, so this dedicated run will help us better understand how they interact with our detector.
📸 Taylor Contreras
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This event display shows the generator position (red ×) and neutron interactions (colored boxes) lighting up the detector. The team shielded our electronics with steel, polyethylene, and water; captured some amazing data!
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This work will improve our ability to understand the neutrons produced in neutrino interactions, improving our future analyses.
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Using four years of data from the NOvA Near Detector, this paper presents a detailed study of the seasonal variation of cosmic-ray–induced multiple-muon events.
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... providing a unified explanation for multiple-muon seasonal behavior across experiments. The result of this study makes it possible for the first time to understand the seasonal variation of observed multiple muon events for a detector of any size and depth.
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Read the publication in PRD here: journals.aps.org/prd/abstrac…
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