A. M. Hurst
YOU?
Author Swipe
View article: Power Stabilization for AI Training Datacenters
Power Stabilization for AI Training Datacenters Open
Large Artificial Intelligence (AI) training workloads spanning several tens of thousands of GPUs present unique power management challenges. These arise due to the high variability in power consumption during the training. Given the synchr…
View article: GPT-4o System Card
GPT-4o System Card Open
GPT-4o is an autoregressive omni model that accepts as input any combination of text, audio, image, and video, and generates any combination of text, audio, and image outputs. It's trained end-to-end across text, vision, and audio, meaning…
View article: The current status of inelastic and capture Gamma-ray production evaluations in translated ENDF-VIII.0 GNDS files and recommended remediation actions
The current status of inelastic and capture Gamma-ray production evaluations in translated ENDF-VIII.0 GNDS files and recommended remediation actions Open
This report provides the status of discrete nuclear levels and inelastic gamma-ray production for neutron induced reactions in current ENDF-VIII.0 evaluations for the isotopes in the GRIN project. Different categories of issues are identif…
View article: Rotational alignments in Np235 and the possible role of j15/2 neutrons
Rotational alignments in Np235 and the possible role of j15/2 neutrons Open
The role j15/2 neutron orbitals play in the transuranic region of actinides has been studied by exploring γ-ray transitions between yrast states in Np235, populated utilizing the nucleon-transfer reaction Np237(Sn116,Sn118). Two rotational…
View article: New structures in 178Hf and coulomb excitation of isomers
New structures in 178Hf and coulomb excitation of isomers Open
A 985 MeV 178Hf beam was Coulomb excited by a 208Pb target at the ATLAS accelerator of Argonne National Laboratory. Gammasphere and the CHICO particle detector recorded particle-γ coincidence data. The aim was to populate and determine the…
View article: A decay database of coincident <i>γ−γ</i> and <i>γ−X</i>-ray branching ratios for in-field spectroscopy applications
A decay database of coincident <i>γ−γ</i> and <i>γ−X</i>-ray branching ratios for in-field spectroscopy applications Open
Current fieldable spectroscopy techniques often use single detector systems heavily impacted by interferences from intense background radiation fields. These effects result in low-confidence measurements that can lead to misinterpretation …
View article: International network of nuclear structure and decay data evaluators
International network of nuclear structure and decay data evaluators Open
Compilation, evaluation and dissemination of nuclear data are arduous tasks that rely on contributions from experts in both the basic and applied sciences communities whose efforts are coordinated by the International Atomic Energy Agency …
View article: First Direct Measurements of Superheavy-Element Mass Numbers
First Direct Measurements of Superheavy-Element Mass Numbers Open
An experiment was performed at Lawrence Berkeley National Laboratory's 88-in. Cyclotron to determine the mass number of a superheavy element. The measurement resulted in the observation of two α-decay chains, produced via the ^{243}Am(^{48…
View article: Proceedings of the Nuclear Data Roadmapping and Enhancement Workshop (NDREW) for Nonproliferation
Proceedings of the Nuclear Data Roadmapping and Enhancement Workshop (NDREW) for Nonproliferation Open
On January 23–25, 2018 in Washington, DC, the National Nuclear Security Administration (NNSA) Office of Defense Nuclear Nonproliferation (DNN) Research and Development (NA-22) supported the three-day Nuclear Data Roadmapping and Enhancemen…
View article: Compilation of the ``Atlas of Gamma-rays from the Inelastic Scattering of Reactor Fast Neutrons'' (1978DE41) by A.M. Demidov, L.I. Govor, Yu. K. Cherepantsev, M.R. Ahmed, S. Al-Najjar, M.A. Al-Amili, N. Al-Assafi, and N. Rammo
Compilation of the ``Atlas of Gamma-rays from the Inelastic Scattering of Reactor Fast Neutrons'' (1978DE41) by A.M. Demidov, L.I. Govor, Yu. K. Cherepantsev, M.R. Ahmed, S. Al-Najjar, M.A. Al-Amili, N. Al-Assafi, and N. Rammo Open
A Structured Query Language (SQL) relational database has been developed based on the original (n,n'gamma) work carried out by A.M. Demidov et al., at the Nuclear Research Institute in Baghdad, Iraq [``Atlas of Gamma-Ray Spectra from the I…
View article: Developments in capture-<b>γ</b>libraries for nonproliferation applications
Developments in capture-<b>γ</b>libraries for nonproliferation applications Open
The neutron-capture reaction is fundamental for identifying and analyzing the γ-ray spectrum from an unknown assembly because it provides unambiguous information on the neutron-absorbing isotopes. Nondestructive-assay applications may expl…
View article: Improving Capture-gamma Libraries for Nonproliferation Applications
Improving Capture-gamma Libraries for Nonproliferation Applications Open
This report describes the measurement, evaluation and incorporation of new -ray spectroscopic data into the Evaluated Nuclear Data File (ENDF) for nonproliferation applications. Analysis and processing techniques are described along with k…
View article: An XML-hierarchical data structure for ENSDF
An XML-hierarchical data structure for ENSDF Open
A data structure based on an eXtensible Markup Language (XML) hierarchy according to experimental nuclear structure data in the Evaluated Nuclear Structure Data File (ENSDF) is presented. A Python-coded translator has been developed to int…
View article: Nuclear Data Needs and Capabilities for Applications
Nuclear Data Needs and Capabilities for Applications Open
The Workshop on Nuclear Data Needs and Capabilities for Applications (NDNCA) was held at Lawrence Berkeley National Laboratory (LBNL) on 27-29 May 2015. The goals of NDNCA were compile nuclear data needs across a wide spectrum of applied n…
View article: Radiative thermal neutron-capture cross sections for the <sup>180</sup>W($n,\gamma$) reaction and determination of the neutron-separation energy
Radiative thermal neutron-capture cross sections for the <sup>180</sup>W($n,\gamma$) reaction and determination of the neutron-separation energy Open
Prompt thermal neutron-capture partial $\\gamma$-ray production cross sections were measured for the first time for the 180W($n; \\gamma$) reaction using a cold guided-neutron beam at the Budapest Research Reactor. Absolute 181W $\\gamma$-…