NST Science

Sharing curated research stories to global communities with aim to improve research visibility and impact.

[NST Science @ScienceNst]

Deep neural networks are used to predict nuclear charge density distributions, offering improved accuracy and efficiency for nuclear structure studies.
Full article: https://t.co/aD66nnip9s
DOI: https://t.co/entGsLXZ71
#NuclearPhysics
https://t.co/V16GsLaXr4

[NST Science @ScienceNst]

An RFQ cooler-buncher was commissioned for collinear laser spectroscopy, converting continuous ion beams into short, high-quality bunches with reduced energy spread, boosting measurement sensitivity and efficiency.
https://t.co/md1jGNfAg3
#NuclearPhysics #LaserSpectroscopy

[NST Science @ScienceNst]

Preparation of a low-energy ³⁷Ar calibration source for liquid xenon detectors, with production via neutron activation and validation in a xenon TPC, enabling precise low-energy calibration for dark matter experiments.
https://t.co/7oCcDnVYKp
#NuclearPhysics #DarkMatter

[NST Science @ScienceNst]

Sensitivity analysis of rod rearrangement in PWR fuel assemblies under transport accidents evaluates criticality safety impacts, providing a framework to assess configuration uncertainties and ensure subcritical conditions.
https://t.co/GTETCBvHqH
#NuclearSafety #Criticality #PWR

[NST Science @ScienceNst]

Study develops a pulsed octupole magnet system to mitigate beam instability in a rapid cycling synchrotron, demonstrating effective suppression of coupled-bunch instabilities and improved beam stability at high energy.
https://t.co/UXdcsxW7vR
#AcceleratorPhysics #BeamDynamics

[NST Science @ScienceNst]

Conceptual design of subcritical assemblies using PWR fuel applies DRAGON/DONJON neutronics to ensure k<1 under varying enrichments and geometries, optimizing safe configurations for research reactors.
https://t.co/DeSDabMKAS
#NuclearPhysics #SubcriticalReactor #PWR

[NST Science @ScienceNst]

GPU-accelerated Monte Carlo method enables fast and accurate dose calculation for mesh-type computational phantoms, reducing computation time from hours to seconds while maintaining ~5% accuracy vs Geant4 benchmarks.
https://t.co/KzFO7PgJ8a
#MedicalPhysics #GPUComputing

[NST Science @ScienceNst]

Study investigates emittance optimization of a gridded thermionic-cathode electron gun for high-quality beam injectors, analyzing key design parameters to improve beam quality and injector performance.
https://t.co/HCvWJJnfMD
#AcceleratorPhysics #ElectronGun

[NST Science @ScienceNst]

Study investigates impedance of RF-shielded ceramic chambers in the CSNS rapid cycling synchrotron, identifying low-frequency resonances linked to beam instability and proposing simulation-based optimization for stable high-power operation.
https://t.co/s1faNoIDOX
#Accelerator

[NST Science @ScienceNst]

Transport-model study of nucleon momentum correlations in Ru+Ru and Zr+Zr collisions at √sₙₙ = 7.7–200 GeV explores space–time emission characteristics and nuclear structure effects in heavy-ion collisions.
10.1007/s41365-025-01826-w
#NuclearPhysics #HeavyIonCollisions

[NST Science @ScienceNst]

Study of massive transfer reactions using the dinuclear system model analyzes production of light clusters (n, p, d, α, Li, Be), showing neutron emission dominates while charged clusters follow transfer fragment dynamics
10.1007/s41365-025-01823-z
#NuclearPhysics #ClusterEmission

[NST Science @ScienceNst]

Research highlight discusses new high-precision laser spectroscopy measurements of exotic nuclei that reveal unexpected charge-radius trends, posing challenges for modern nuclear structure theories.
10.1007/s41365-025-01813-1
#NuclearPhysics #LaserSpectroscopy #NuclearStructure

[NST Science @ScienceNst]

Benchmarking nuclear energy density functionals using newly measured masses of 296 nuclides (2021–2024) improves evaluation of nuclear mass predictions and model accuracy.
10.1007/s41365-025-01821-1
#NuclearPhysics #NuclearMasses #EnergyDensityFunctional #TheoreticalPhysics

[NST Science @ScienceNst]

Description of the HiToF heavy-ion time-of-flight spectrometer outlines its quadrupole-focused design and performance for precise measurements in nuclear reaction and structure studies.
10.1007/s41365-025-01819-9
#NuclearPhysics #HeavyIons #TimeOfFlight #Spectrometer

[NST Science @ScienceNst]

Bayesian analysis with reduced-basis methods enables fast and accurate prediction of Gamow resonances, improving uncertainty quantification in nuclear open quantum systems.
10.1007/s41365-025-01822-0
#NuclearPhysics #BayesianAnalysis #GamowResonances #OpenQuantumSystems

[NST Science @ScienceNst]

New Dirac equation solver (DiracSVT) enables numerical solutions with scalar, vector, and tensor nuclear potentials, reproducing single-particle states and supporting studies of exotic nuclei.
10.1007/s41365-025-01810-4
#NuclearPhysics #DiracEquation #ComputationalPhysics

[NST Science @ScienceNst]

Machine-learning parametrization of neutron beam resolution at CERN n_TOF uses neural networks to model resolution functions across wide energy ranges, improving accuracy and usability in neutron reaction analyses.
10.1007/s41365-025-01820-2
#NuclearPhysics #NeutronTOF #CERN

[NST Science @ScienceNst]

Research highlight on multi-proton emission explores exotic decay near the limits of nuclear stability, emphasizing challenges in describing proton-rich nuclei as extreme open quantum systems.
10.1007/s41365-025-01831-z
#NuclearPhysics #ProtonDripline #OpenQuantumSystems

[NST Science @ScienceNst]

Microscopic study of asymmetric fission in ¹⁸⁰Hg shows the hexadecapole moment is essential for realistic fission pathways and fragment distributions, improving modeling of potential energy surfaces and scission configurations.
10.1007/s41365-025-01828-8
#NuclearPhysics

[NST Science @ScienceNst]

Antisymmetrized molecular dynamics modeling of near-barrier fusion in Li+C systems reveals cluster effects and reproduces fusion cross sections near the Coulomb barrier.
10.1007/s41365-025-01824-y
#NuclearPhysics #FusionReactions #AMD #HeavyIonCollisions