The transition from hybrid covariances to fully ensemble-derived background-error covariances for Numerical Weather Prediction (NWP) at Environment and Climate Change Canada (ECCC) is explored in this paper. It discusses the evolution of covariance formulations, the use of scale-dependent localizati

1 views • 20 slides

An assessment on the production of radioisotopes in the IFMIF-DONES test cell highlights the significance of 99Mo, the precursor of Technetium-99m used in radiopharmaceutical applications. The global shortage of 99Mo due to reactor maintenance issues has led to the exploration of alternative methods

3 views • 20 slides

The European Spallation Source (ESS) Neutron Instrument Project aims to develop 15 world-leading neutron instruments by 2023. The project involves instrument classes, performance targets, budget considerations, and a planned schedule for instrument commencement. The NSS project scope includes reduci

4 views • 18 slides

Delve into the research on single-neutron transfer on 68Ni conducted by Andreas Ceulemans at the ISOLDE Workshop and Users Meeting in November 2023. The investigation focuses on the significance of studying nickel isotopes, the magicity and collectivity near 68Ni, and the use of shell model calculat

5 views • 26 slides

Neutron stars, initially proposed in 1933, have been the subject of various discoveries and studies. They are characterized by their unique properties such as compactness, high density, rapid spinning, and strong magnetic fields. Neutron stars are predominantly composed of neutrons, with other parti

1 views • 23 slides

Explore the fascinating world of nuclear structure and reactions within atoms, delving into concepts such as nuclear force, binding energy, mass defect, and nuclear stability. Discover the intricacies of nucleons, neutron stars, and the Band of Stability, along with magic numbers that contribute to

6 views • 9 slides

This article discusses the development of a Double-Spoke Cavity Cryomodule for the China Spallation Neutron Source (CSNS) project. It covers the structure of the cryomodule, integration processes, future work, and details about the CSNS beam parameters and upgrade scheme. The content includes images

0 views • 19 slides

Cutting-edge detector solutions are proposed for thermal neutron beam monitoring, utilizing various configurations such as head-on bGEM with electronics, bGEM with side electronics, and side-on bGEM TPC-like setups. These solutions offer precise detection capabilities within specified envelope dimen

0 views • 7 slides

This study discusses the estimation of dead-time loss for high neutron count-rates and the associated multiplicity correction using multi-channel list-mode data. The numerical method for high count-rate dead-time correction in neutron multiplicity counting is described, focusing on the use of multi-

0 views • 6 slides

Explore the neutron multiplicity measurement in muon capture on oxygen using Super-Kamiokande, a water-Cherenkov detector located underground in Japan. Gadolinium was added to enhance neutron tagging efficiency, aiding in Supernova observation, proton decay rejection, and more. Neutron signals are t

0 views • 16 slides

In this collection by Tim Johnson, Libby McCutchan, and Alejandro Sonzogni from the National Nuclear Data Center, various aspects of nuclear data needs and beta-delayed neutron covariances are discussed. Topics include different radiation types, gamma decay heat, beta transitions, antineutrinos, and

0 views • 13 slides

The University of Michigan, under the guidance of Dr. Sara A. Pozzi, conducts cutting-edge fission experiments leveraging organic scintillation detectors. These detectors offer advantages such as nanosecond-scale response times, energy proportionality, and scalability. The experiments focus on impro

0 views • 4 slides

Alexander Nezvanov, a researcher at Frank Laboratory of Neutron Physics, presented a study on enhanced directional extraction of very cold neutrons using a diamond nanoparticle powder reflector. Very cold neutrons (VCN) have unique properties making them ideal for various applications in neutron tec

0 views • 11 slides

Explore cutting-edge research in nuclear physics, including experiments on pion ratios and Pb isotope radius measurements, neutron star observations, neutron density distributions of Pb isotopes, and polarized proton beams at Osaka University. Learn about the analysis of realistic point proton densi

0 views • 26 slides

Workshop on Neutron Electric Dipole Moment: Theory to Experiment will be held in Trento from August 1st to August 5th, 2022. The event aims to bridge the gap between theory and experiment in investigating the neutron EDM in Lattice QCD, Phenomenology, and Cosmology. Renowned speakers and financial s

1 views • 10 slides

This research focuses on the validation of thermal neutron diffusion experiments in water at elevated temperatures. Various methods, including the pulsed-neutron die-away and static relaxation length methods, were used to determine the diffusion length (L). Through linear and power fits based on dat

0 views • 7 slides

Exploring the fascinating realm of neutron stars through astronomical observations and the implications for equations of state (EOS). Delve into the mysteries of neutron star properties, measurement results from projects like PREX/CREX, and the significance of NS masses, tidal deformabilities, and r

0 views • 24 slides

Exploring further potential for utilizing fast neutron sources, the DONES project aims to expand its scope beyond fusion materials studies. The ELAMAT Consortium, spearheading the bid for hosting DONES in Poland, envisions incorporating additional scientific areas for complementary research. Complem

0 views • 7 slides

Reactor start-up is a crucial operation that transitions a reactor from a subcritical state to a critical state by carefully adjusting reactivity levels. In a subcritical reactor, the neutron density should decrease over time but may not reach zero due to certain factors. Neutron multiplication fact

0 views • 66 slides

This study by A.A. Sonzogni and E.A. McCutchan focuses on developing cumulative fission yield covariances for uncertainty quantification in nuclear reactors. The research involves calculating cumulative fission yields, using decay data and nuclear databases, to improve accuracy in predicting fission

0 views • 5 slides

This workshop, held at the Elliott School of International Affairs, discussed the impact of unrealistic or missing cross-section covariances in nuclear data activities. The need for complete nuclear data covariances, methods for credibility evaluation, and challenges with missing and questionable co

0 views • 7 slides

Investigate the interaction of dark matter within neutron stars, comprising approximately 25% of the universe's total matter. The nature of dark matter assumptions, its distribution within neutron stars based on fermionic or bosonic properties, and the implications for self-interacting fermionic and

0 views • 22 slides

This content discusses the comparison between the new and old cave configurations in the Neutron Ball testing part II. It showcases images and descriptions of the different cave configurations, highlighting the progress in research at the Cyclotron Institute. The Neutron Ball's functionality and tes

0 views • 14 slides

Multiple scattering programs like MSCAT and DISCUS, written in Fortran since the 70s, are essential tools for neutron diffraction and inelastic analysis. These programs allow for the calculation of neutron cross-sections, scattering angles, and sample geometries. The results obtained include elastic

0 views • 8 slides

Integrating OpenContrail into Neutron Stadium introduces Networking-OpenContrail, bridging OpenContrail with Neutron to enhance network functionality. The project aims to achieve full parity between the two platforms, with active contributors encouraged to join the development efforts. Deployment op

0 views • 7 slides

Detailed examination of the formation of double neutron stars in the Milky Way Galaxy, exploring various merging channels, uncertainties in binary evolution, and models compatible with gravitational wave observations. Emphasis on testing and constraining models with Galactic double neutron stars.

0 views • 18 slides

The presentation discusses cascaded cooling of neutrons and Namiot's proposal for phononless cooling to low temperatures using polarized deuterons. It explores inelastic scattering cross-sections, candidate paramagnetic systems, and excitations in O2. Additionally, it covers rate constants, superflu

0 views • 11 slides

In this talk by Futoshi Minato from JAEA Nuclear Data Center, topics covered include delayed neutron emission probabilities, incident neutron energy dependence, sensitivity analysis with JENDL evaluated libraries, and important precursors in r-process nucleosynthesis. Theoretical calculations are pr

0 views • 27 slides

The study evaluates the MURR Thermal BNCT Facility's effectiveness in treating canine nasal/sinus tumors using a phantom. The facility, located at the University of Missouri Research Reactor, offers Boron Neutron Capture Therapy (BNCT) under the direction of Dr. Fred Hawthorne. Key features include

0 views • 21 slides

Comprehensive analysis and visualization of beta-delayed neutron covariances, fission yields, and their implications in nuclear physics applications. The research covers calculations of delayed nu-bar, neutron probabilities, and recommendations for various systems. Disagreements in fission yields fo

0 views • 26 slides

Virtual router (vRouter) is a crucial component in network virtualization, with applications in cloud environments like Openstack Neutron. This article delves into the concept of vRouter, its importance in IPv6 implementations, and the utilization of VM-based vRouters. It also explores the current s

0 views • 12 slides

Understanding neutron detection basics, absorption cross-section, moderators, positioning, and common detector types is crucial for accurate measurements. Neutrons vary in energy levels, requiring specific detection techniques. Thermal neutrons are easier to detect than fast ones, with materials lik

0 views • 34 slides

Neutron production reactions at the International Linear Collider (ILC) involving nuclear reactions, photo-nuclear reactions with light and heavy nuclei, estimation of neutron production using gamma irradiation on Be-9, and application prospects. Cross-sections, energy inputs, and conversion rates a

0 views • 29 slides

A detailed exploration of Monte Carlo simulations for GEM-based neutron detectors, investigating their detection efficiency and performance characteristics. Various detector designs and concepts, including multi-layer converters and GEM detectors, are discussed, along with simulation results on sign

0 views • 12 slides

This project focuses on developing a compact neutron spectrometer, NS-GEM, using gas electron multiplier detector technology for fusion plasma applications. The goal is to achieve high energy resolution, low sensitivity to γ-rays, and high count rate capabilities for accurate neutron measurements.

0 views • 22 slides

Delve into the intriguing link between neutron star mergers and the synthesis of ultra heavy element cosmic rays. The rapid neutron capture process, known as r-process, plays a crucial role in creating elements heavier than iron through events like neutron star mergers and core-collapse supernovae.

0 views • 19 slides

Recent work by Allan D. Carlson, a NIST associate under contract with BNL, was presented at the CSEWG meeting discussing possible changes to neutron standards and showcasing important measurements, such as H(n,n)H angular distribution data by Jiang et al. and 6Li(n,t) reaction measurements by Bai et

0 views • 15 slides

Single-nucleon knock-out reactions in neutron-rich medium-mass nuclei were studied to investigate the reduction of proton-removal cross section. Short-range correlated nucleon pairs, especially protons, were found to impact the probability of single-proton removal processes. Experimental measurement

0 views • 8 slides

Neutron detectors in safeguards utilize multi-channel list-mode recorders for advanced dead-time correction, improving data analysis. The method involves estimating lost pulses and correcting multiplicity histograms to enhance counting accuracy. Through an iterative process, dead-time probabilities

0 views • 6 slides

The study investigates the high-temperature radiation embrittlement (HTRE) of neutron-irradiated austenitic stainless steels 18Cr-10Ni-Ti, EI-847, EP-172, and ChS-68. The impact of chemical composition, cold work, and irradiation temperature on short-term mechanical properties was examined. Experime

0 views • 11 slides