Nuclear science for the Manhattan Project and comparison to today's ENDF data

MB Chadwick - Nuclear Technology, 2021 - Taylor & Francis
Nuclear physics advances in the United States and Britain from 1939 to 1945 are described.
The Manhattan Project's work led to an explosion in our knowledge of nuclear science. A …

Informing nuclear physics via machine learning methods with differential and integral experiments

D Neudecker, O Cabellos, AR Clark, MJ Grosskopf… - Physical Review C, 2021 - APS
Background: Information from differential nuclear-physics experiments and theory is often
too uncertain to accurately define nuclear-physics observables such as cross sections or …

Which nuclear data can be validated with LLNL pulsed-sphere experiments?

D Neudecker, O Cabellos, AR Clark, W Haeck… - Annals of Nuclear …, 2021 - Elsevier
It is shown here that 14-MeV D+ T LLNL pulsed-sphere experiments bring complementary
information into the process of validating nuclear data compared to experiments that are …

Measurement of the prompt fission neutron spectrum from 10 keV to 10 MeV induced by neutrons of energy from 1 MeV to 20 MeV

KJ Kelly, JA Gomez, M Devlin, JM O'Donnell… - Physical Review C, 2022 - APS
The characterization of fission-driven nuclear systems primarily relies on calculations of
neutron-induced chain reactions, and these calculations require evaluated nuclear data as …

Templates of expected measurement uncertainties for prompt fission neutron spectra

D Neudecker, M Devlin, RC Haight, KJ Kelly… - EPJ Nuclear Sciences …, 2023 - epjn.epj.org
In this paper, we provide templates of uncertainty sources expected to appear for three
measurement types of prompt fission neutron spectra (PFNS):(1) shape measurements,(2) …

Measurement of the prompt fission neutron spectrum from 10 keV to 10 MeV induced by neutrons with 1.5–20 MeV energy

KJ Kelly, M Devlin, JM O'Donnell, D Neudecker… - Physical Review C, 2023 - APS
With the recent emergence of fast nuclear reactors, there has been a corresponding
increasing interest in U 238-related nuclear data. However, while existing literature data …

Updated neutron-multiplicity sorting method for producing photoneutron average energies and resolving multiple firing events

I Gheorghe, H Utsunomiya, K Stopani… - Nuclear Instruments and …, 2021 - Elsevier
Photoneutron measurements in the Giant Dipole Resonance region have been recently
performed using quasimonochromatic Laser Compton Scattering γ-ray beams at …

Prompt Fission Neutron Spectra of 240Pu(n, F), 239Pu(n, F), and 238U(n, F)

VM Maslov - Physics of Particles and Nuclei Letters, 2023 - Springer
Pre-fission neutron spectra are indicators of the distribution of fission reaction energy
between the kinetic energy of fragments and prompt fission neutrons. Using the 240Pu (n …

Prompt fission neutron spectra of 233U (n, F)

VM Maslov - arXiv preprint arXiv:2405.13167, 2024 - arxiv.org
Prompt fission neutron spectra produced up to 20 MeV. Simultaneous analysis of measured
and calculated data for 233U (n, F), 235U (n, F) and 239Pu (n, F) maintains stronger …

Characterization of the neutron/γ-ray discrimination performance in an EJ-301 liquid scintillator for application to prompt fission neutron spectrum measurements at …

D Zhao, S Feng, C Hu, Z Zhang, H Wang, K Zhu… - Radiation …, 2022 - Elsevier
Abstract The FIssion Neutron spectrum Detector Array (FINDA) has been designed for
measurement of prompt fission neutron spectrum on the Back-n beam line at the China …