An overview of the Korean Nuclear and Atomic Research program will be given.
A short introduction to the Nuclear Data Section and its activities will be given, with emphasis on nuclear data for reactor antineutrino research and applications.
The RENO experiment took 3,800 days of reactor neutrino data at the Hanbit Nuclear Power Plant, Yeonggwang, Korea from August 2011 to March 2023.
In this presentation, we report the final results of the reactor neutrino oscillations using that final data, with improved systematic uncertainties.
The Reactor Experiment for Neutrinos and Exotics (RENE) is designed to search for sterile neutrinos in the Δm_41 square ~ 2 eV square region by measuring electron antineutrino oscillations at a short baseline. The RENE experiment is proposed to take place at the Hanbit Nuclear Power Plant in Yeonggwang, Korea, owing to the sufficient electron antineutrino flux generated by the facility. The...
The NEON experiment aims to detect coherent elastic neutrino-nucleus scattering (CEvNS) from reactor antineutrinos.
Located 23.7 meters from the 2.8-GWth reactor core at the Hanbit nuclear power plant, NEON uses a 16.7 kg NaI crystal array as its target material.
Since April 2022, NEON has collected over 1,000 days of physics data, with 78% recorded during reactor operation and 22% during...
The DANSS experiment at Kalininskaya NPP is running for already 8 years since
April 2016. The largest in the world in the single experiment statistics of 9,3 million
inverse beta decay events is collected. The data sample covers 4 full
cycles of the industrial power recator. DANSS experimental program includes both
a search for physics beyond the Standard Model, like sterile neutrinos or...
The talk will cover the following:
• PROSPECT: Recent Results and Future Outlook
• Near-field Antineutrino Application Developments in the U.S.
The Angra Neutrinos Experiment utilizes a water Cherenkov detector operating at the Angra dos Reis nuclear facility in Brazil. Its primary purpose is to detect electron antineutrinos emitted by the nuclear reactor, aiming to demonstrate the feasibility of using such a detector to monitor reactor activity. This objective aligns with the International Atomic Energy Agency (IAEA) program...
A review of the goals, work and deliverables of the IAEA CRP on Updating Fission Yield Data for Applications will be given.
Neutrinos are elementary particles that interact only very weakly with matter. Neutrino experiments are therefore usually big, with masses on the multi-ton scale. The thresholdless interaction of coherent elastic neutrino-nucleus scattering (CEνNS) leads to drastically enhanced interaction rates, which allows for much smaller detectors. This could open the path for reactor monitoring through...
The precise calculation of geo-neutrino energy spectra is critical for particle physics and Earth science. This study introduces a novel geo-neutrino flux model by systematically incorporating forbidden transitions and beta-decay corrections in uranium-238 and thorium-232 decay chains, supported by updated nuclear database inputs. Compared to the widely adopted Enomoto model, our approach...
This presentation will highlight the latest results from the Double Chooz experiment at the EDF Chooz nuclear reactor in France. By utilizing full reactor power modulation data, Double Chooz achieves world-leading precision in reactor flux measurement and spectral characterization. Key findings, initially focused on the neutrino mixing angle θ13, demonstrate significant advancements in reactor...
Breaking the paradigm of transparency, the LiquidO collaboration introduces a novel approach to particle detection (https://arxiv.org/abs/1908.02859). LiquidO uses an opaque medium (scintillating or not) with a short scattering length to stochastically confine light near its point of origin, capturing it with a dense grid of wavelength-shifting fibres read by SiPMs and fast electronics to...
The AntiMatter-OTech collaboration is pioneering the first fundamental research reactor antineutrino experiment using the novel LiquidO technology (https://arxiv.org/abs/1908.02859) for event-wise antimatter tagging. The project’s programme (https://doi.org/10.5281/zenodo.10049845) is twofold. First, the demonstration of antineutrino detection for reactor monitoring on industrial reactor...
WIND is a plan to deploy a Water-based Liquid Scintillator (WbLS) detector at the Yonggwang reactor RENO far detector facility. The project aims to use WbLS for reactor neutrino detection with excellent precision, both in energy resolution and directionality, while also exploring the potential for advanced neutron tagging and background suppression. The “hybrid” neutrino detection technology...
During the fission process in a nuclear reactor, a substantial flux of antineutrinos is generated. These antineutrinos carry valuable information about the reactor core. By measuring the neutrino flux and energy spectrum, it is possible to observe the status of the reactor, which makes neutrino detection a possible probe for reactor monitoring. Sun Yat-sen University is currently constructing...
A multi average-branch fit to the Inverse Beta Decay antineutrino spectrum recently measured by the Daya Bay collaboration with fine binning is performed to derive its corresponding electron spectrum. Utilizing the $^{235}$U to $^{239}$Pu electron spectrum ratio measured by Kopeikin et al., as well as the $^{235}$U to $^{238}$U and $^{241}$Pu electron spectra ratio from summation...
For the (NA)2STARS collaboration
The accurate determination of reactor antineutrino spectra remains a very actual research topic for which interrogations have emerged in the past decade. Indeed, after the “reactor anomaly” (RAA) [1] – a deficit of measured antineutrinos at short baseline reactor experiments with respect to spectral predictions – the three international reactor...
Nuclear fission reactors are abundant sources of antineutrinos for neutrino physics experiments. The flux and spectrum of reactor antineutrinos can indicate the activity and compositions of reactors, offering the application opportunity of reactor survey with neutrino measurements for the wider society. The success of using antineutrinos to survey reactor components and a number of neutrino...
On behalf of the TAGS and eShape collaborations
Beta decay measurements that can provide data free from the Pandemonium effect [1] have shown to be very important in relation to the prediction of the antineutrino spectrum for reactors [2,3]. In this talk I will provide a summary of recent results obtained by our group in the application of the total absorption technique. I will also present...
Accurate fission product yield (FPY) data are essential for various applications, including reactor antineutrino spectrum calculations. However, experimental FPY data remain incomplete due to the difficulty of measuring short-lived fission fragments. Meanwhile, theoretical models have provided qualitative insights into the fission process but still lack sufficient accuracy for quantitative...
The main lessons from the latest results (https://www.nature.com/articles/s41567-020-0831-y) of the Double Chooz experiment (initially mainly focused on the measurement of θ13) are proposed to be summarised in the context of the present and future reactor antineutrino detection, including possible reactor monitoring during on/off reactor data running. In this respect, Double Chooz provides a...
