Technical Meeting on Nuclear Data Needs for Antineutrino Spectra and their Applications

Session

Experiments/Methods/Nuclear Data

8 Apr 2025, 14:00

Seoul National University, Seoul

Description

PROSPECT + Near-field Antineutrino Application Developments (N. Bowden) 60'
LiquidO Detector (A. Cabrera) 30'
RENO-WbLS (S. Kim) 45'
Reactor Power Monitoring with Alarm Neutrino Detector (Fengpeng An) 45'
Antimatter-OTech/CLOUD (A. Cabrera) 45'

2. First observation of reactor antineutrinos by coherent scattering with CONUS+

Edgar Sanchez Garcia (MPIK)

08/04/2025, 14:00

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...

22. New calculation of the geo-neutrino energy spectrum and its implication

Yufeng Li (Institute of High Energy Physics)

08/04/2025, 14:45

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...

11. Spectral needs for precision (geo)neutrino science

Leendert Hayen

08/04/2025, 16:00

With the advent of large-scale neutrino detectors near reactor sources, the precision on the antineutrino spectrum shape has undergone significant evolution. Even so, current experimental campaigns using coherent neutrino scattering near reactors depend on an accurate knowledge of the energy spectrum - including below the inverse beta decay threshold. Due to the absence of direct measurements...

13. Recent studies of forbidden non-unique transitions

Xavier Mougeot (CEA)

08/04/2025, 16:45

As illustrated in a recent review of the log-ft values [1], only ~15% over more than 26,000 beta transitions present in the ENSDF database can be considered as well defined, i.e. with firm or probable single spin assignments of the initial and final nuclear states. About one third of these 15% are forbidden non-unique transitions, which energy spectrum shapes are sensitive to nuclear...

28. Recording Day 2

Moohyun Ahn (Seoul National University)

08/04/2025, 17:30