Article
Agronomy
Richard G. Allen, Ramesh Dhungel, Bibha Dhungana, Justin Huntington, Ayse Kilic, Charles Morton
Summary: Meteorological data collected in dry regions may exhibit biases due to aridity effects, which can impact reference ET calculations. This study developed a weather data conditioning process to adjust for these biases. Results showed that reference ETo may be overstated in certain regions.
AGRICULTURAL WATER MANAGEMENT
(2021)
Article
Environmental Sciences
Nicholas J. Murray, Pete Bunting, Robert F. Canto, Lammert Hilarides, Emma V. Kennedy, Richard M. Lucas, Mitchell B. Lyons, Alejandro Navarro, Chris M. Roelfsema, Ake Rosenqvist, Mark D. Spalding, Maren Toor, Thomas A. Worthington
Summary: The translation mentions the importance of estimating the distribution, extent, and change of coastal ecosystems for monitoring global change. However, accurate spatial models require up-to-date reference data, which is often lacking for continental to global-scale ecosystem mapping. To address this issue, a global reference dataset of occurrence records for seven coastal ecosystem types has been developed. This dataset, called coastTrain, is curated from various global mapping initiatives and is designed to support the development of remote sensing classification models. It is an ongoing collaborative initiative aimed at sharing reference data, promoting validations of data products, and improving monitoring of coastal environments worldwide.
Article
Physics, Nuclear
Z. A. Wang, J. C. Pei, Y. J. Chen, C. Y. Qiao, F. R. Xu, Z. G. Ge, N. C. Shu
Summary: This study demonstrates the application of Bayesian machine learning in dealing with a large amount of experimental fission data. By combining different data sources, the noisy, incomplete, discrepant, and correlated nature of the data can be addressed, allowing for evaluation of the energy dependencies and uncertainties of fission yields.
Article
Nuclear Science & Technology
J. F. M. Jecong, F. C. Hila, C. V. Balderas, N. R. D. Guillermo
Summary: The accuracy of photoatomic cross-section data is crucial in radiation protection, especially in characterizing radiation shielding materials. This study investigates the mass attenuation coefficients (MACs) of various materials used in nuclear medicine facilities using the latest EPDL2017 library and compares them with literature values. The results show negligible differences between the MACs obtained using EPDL2017 and those in the literature for most materials, but significant differences for certain materials near specific energy levels. The study also highlights the impact of atomic number and energy level on MAC variations.
NUCLEAR ENGINEERING AND TECHNOLOGY
(2022)
Article
Chemistry, Multidisciplinary
Matthias Frankl, Mathieu Hursin, Dimitri Rochman, Alexander Vasiliev, Hakim Ferroukhi
Summary: A methodology for the final geological disposal of Swiss spent nuclear fuel is being developed by the Paul Scherrer Institute in collaboration with the Swiss National Technical Competence Centre. This approach includes burnup credit and aims to quantify uncertainties using the BUCSS-R scheme. The study reveals overestimation of nuclear data-related uncertainties and emphasizes the importance of consistent methods for nuclear data uncertainty quantification.
APPLIED SCIENCES-BASEL
(2021)
Article
Multidisciplinary Sciences
Guillermo Velo-Anton, Margarida Henrique, Andre Vicente Liz, Fernando Martinez-Freiria, Juan Manuel Pleguezuelos, Philippe Geniez, Pierre-Andre Crochet, Jose Carlos Brito
Summary: This dataset provides a comprehensive and reliable DNA reference library for reptiles in the Western Sahara-Sahel region, which is crucial for filling the biodiversity gap in this remote and hard-to-sample area.
Article
Physics, Multidisciplinary
Vlad Avrigeanu, Marilena Avrigeanu
Summary: This study analyzed the high-precision cross sections of the (alpha,gamma) and (alpha,n) reactions on Sm-144 below the Coulomb barrier using a consistent parameter set of the statistical model. The calculated cross sections were found to be in good agreement with experimental data and indicated a decrease in the (alpha,gamma) reaction cross sections due to an increase in alpha-particle direct collective inelastic scattering.
FRONTIERS IN PHYSICS
(2023)
Article
Agronomy
Cristina Vasquez, Rolando Celleri, Mario Cordova, Galo Carrillo-Rojas
Summary: This study estimated evapotranspiration in the highlands of the Andes and found that missing variables had a significant impact on the calculation. Calibration and validation methods were essential in estimating solar radiation, and replacing minimum temperature with dew point temperature was a reliable alternative when relative humidity observations were missing. The results yielded highly accurate estimates, which are important for improving water productivity.
AGRICULTURAL WATER MANAGEMENT
(2022)
Article
Multidisciplinary Sciences
Denis Copilas-Ciocianu, Tomasz Rewicz, Arthur F. Sands, Dmitry Palatov, Ivan Marin, Kestutis Arbaciauskas, Paul D. N. Hebert, Michal Grabowski, Asta Audzijonyte
Summary: The Ponto-Caspian region is a hotspot for endemic species, with the most diverse group being amphipods. This study used DNA barcoding to classify nearly 60% of known Ponto-Caspian amphipod species and compared the results with morphology-based taxonomy. The findings indicate that DNA barcoding is valuable for clarifying the diversity of Ponto-Caspian amphipods, but further work is needed to resolve taxonomic uncertainties.
SCIENTIFIC REPORTS
(2022)
Review
Nuclear Science & Technology
Georgios Glinatsis, Mario Carta, Daniela Gugiu, Andreas Ikonomopoulos, Iuliana Visan
Summary: In this study, an investigation of integral neutronic parameters for two different fast reactor systems using the JEFF 3.2 nuclear data library was conducted. The results showed that, despite some deviations in the cross section data, the overall results exhibited expected behavior. The analysis revealed the complexity of the problem and the presence of multiple physical phenomena. Sensitivity analysis provided detailed information, and the involvement of the processing code was deemed necessary.
ANNALS OF NUCLEAR ENERGY
(2022)
Article
Nuclear Science & Technology
S. Panizo, F. Alvarez-Velarde
Summary: Burn-up calculations with the MCNP code are currently based on the cinder.dat library, which has limitations when other libraries are desired for transport. This study aims to evaluate the impact of using the cinder.dat library when other libraries are used for transport and proposes a new library to replace cinder.dat for coherent calculations using JEFF-3.3 for transport and burn-up.
PROGRESS IN NUCLEAR ENERGY
(2023)
Article
Ecology
Yanlei Liu, Chao Xu, Yuzhe Sun, Xun Chen, Wenpan Dong, Xueying Yang, Shiliang Zhou
Summary: DNA barcoding is crucial in plant species identification, but challenges exist in establishing a reference database with high species coverage. However, utilizing Illumina Hiseq 2500 PE250 run, the Cotu method, and high-throughput machines can reduce costs and labor investments for DNA barcoding, potentially leading to the construction of a global reference library in a few years.
ECOLOGY AND EVOLUTION
(2021)
Article
Computer Science, Information Systems
Shuichi Yahagi, Itsuro Kajiwara
Summary: This paper proposes a noniterative direct data-driven gain-scheduled control method. Compared to fixed PID, gain-scheduled PID has more parameters and requires time to tune them. To solve this problem, a noniterative data-driven tuning method using a fictitious reference signal is proposed. Numerical simulations are conducted to verify the method's effectiveness in achieving high tracking performance.
Article
Chemistry, Applied
Xiao-can Su, Wen-xia Shi, Yue Zhang, Wen-jie Xiao, Jia-ying Xue, Xin-hai Zhu, Ming Yan, Xue-jing Zhang
Summary: An operationally simple anhydrous carbene insertion reaction using visible light photolysis of diazo compounds and the Reversible Adsorption to Solid Support (RASS) strategy has been developed for constructing DNA-encoded libraries (DEL). From readily available amines, alcohols, phenols, and carboxylic acids, a variety of high-value molecules, including useful unnatural amino acids, ethers, and esters, promising clinical drug derivatives, and bioactive molecules have been synthesized.
ADVANCED SYNTHESIS & CATALYSIS
(2023)
Article
Engineering, Electrical & Electronic
Daniel Westerman Spier, Eduardo Prieto-Araujo, Joaquim Lopez-Mestre, Oriol Gomis-Bellmunt
Summary: This paper presents an optimization-based reference calculation method for Modular Multilevel Converters (MMC) operating in normal and constrained situations. The method prioritizes satisfying external AC current set-points demanded by the grid operator and adjusts priorities to minimize losses or errors.
IEEE TRANSACTIONS ON POWER DELIVERY
(2021)
Article
Physics, Nuclear
V. Avrigeanu, M. Avrigeanu
Summary: This study validates a consistent set of statistical-model input parameters through analysis of various independent data, enabling the evaluation of an alpha-particle optical model potential, including for nucleon-induced alpha-emission within the A similar to 60 mass-number range. It also considers additional reaction channels leading to increased alpha-emission beyond statistical predictions, particularly focusing on features similar to the pickup direct interaction and Giant Quadrupole Resonance.
EUROPEAN PHYSICAL JOURNAL A
(2021)
Article
Instruments & Instrumentation
Tamas Belgya, Laszlo Szentmiklosi
Summary: In this paper, geant4 Monte Carlo simulations on the Budapest PGAA detector were conducted to obtain detector response functions for incremental gamma-ray energies up to 12 MeV. The simulations successfully unfolded experimental gamma spectra of Co-60 and Eu-152, removing background noise while preserving the peak shape and area. The approach was also applied to determine the total radiative neutron capture cross-sections of the N-14(n, gamma) reaction, showing excellent agreement with literature data.
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
(2021)
Article
Physics, Nuclear
G. Schnabel, H. Sjostrand, J. Hansson, D. Rochman, A. Koning, R. Capote
Summary: The paper discusses the design and software implementation of a nuclear data evaluation pipeline for a fully reproducible evaluation of neutron-induced cross sections of 56Fe. The emphasis is on mathematical and technical aspects, enabling the application of Generalized Least Squares and Levenberg-Marquardt algorithm. The pipeline provides a unified representation of experimental data and allows for evaluations without the need for data reduction.
NUCLEAR DATA SHEETS
(2021)
Article
Physics, Nuclear
B. M. Bondar, O. M. Gorbachenko, B. Yu Leshchenko, I. M. Kadenko, V. A. Plujko, K. M. Solodovnyk
Summary: The spectrum of gamma-rays from nuclear reactions with fast neutrons on cadmium was analyzed using the time of-flight method. A new unfolding procedure was proposed and utilized to determine the gamma spectrum induced by fast neutrons only. The recalculated gamma-spectrum showed differences of up to 30% compared to the previous spectrum, with two wide peaks observed near the neutron separation energy.
Article
Physics, Nuclear
M. Avrigeanu, D. Rochman, A. J. Koning, U. Fischer, D. Leichtle, C. Costache, V Avrigeanu
Summary: This study evaluates the details and outcomes of the breakup model in TALYS, as well as the enhancement obtained using the evaluated nucleon-induced reaction data of TENDL-2019. The discussion includes the limitations in directly interpreting the results of deuteron-induced reactions.
EUROPEAN PHYSICAL JOURNAL A
(2022)
Article
Chemistry, Analytical
F. Tarkanyi, A. Hermanne, A. Ignatyuk, S. Takacs, R. Capote
Summary: The IAEA Nuclear Data Section has established a database for recommended cross sections and nuclear decay data important for medical radionuclide production. Updated evaluations with uncertainty quantification for 25 reactions relevant for the production of therapeutic radioisotopes are provided.
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY
(2022)
Article
Physics, Nuclear
M. Avrigeanu, V. Avrigeanu
Summary: The reliability of a previous alpha-particle optical-model potential (OMP) has been confirmed for proton-induced reactions on Zn isotopes and neutrons on Zr stable isotopes. A recent assessment of this potential for nucleon-induced alpha emission on A approximately 60 nuclei, including pickup direct reaction and eventual giant quadrupole resonance (GQR) alpha emission, was completed. Consistent sets of input parameters were determined through analysis of independent data to avoid parameter ambiguities and/or error compensation.
Article
Physics, Nuclear
V. Avrigeanu, M. Avrigeanu
Summary: This study analyzed the process of alpha-particle emission induced by neutron reactions on stable nickel isotopes and validated the effectiveness of using the same potential in the alpha-particle optical model for describing the absorption and emission processes. Furthermore, it confirmed the existence of pickup direct reactions and alpha-emission beyond statistical predictions around the Giant Quadrupole Resonance (GQR) energies through recent experimental data.
EUROPEAN PHYSICAL JOURNAL A
(2022)
Article
Physics, Nuclear
S. A. Kuvin, H. Y. Lee, B. DiGiovine, C. Eiroa-Lledo, A. Georgiadou, M. Herman, T. Kawano, V Mocko, S. Mosby, C. Vermeulen, D. Votaw, M. White, L. Zavorka, G. Perdikakis, P. Tsintari, H. Kim
Summary: Nuclear reaction data for neutron induced reactions on unstable nuclei are crucial, but difficult to obtain. This study presents direct measurements of Ni-59(n, p) and Ni-59(n, alpha) cross sections using a radioactive Ni-59 target, and compares them to existing nuclear data evaluations. The results also challenge the reliability of an indirect surrogate ratio method used in a previous study.
Article
Physics, Nuclear
V. A. Plujko, O. M. Gorbachenko, K. M. Solodovnyk, V. M. Petrenko
Summary: The study evaluated the average gamma-ray spectrum of Cd-114 after thermal neutron capture in Cd-113 in units of mb/MeV. Two approaches were considered for estimating the average gamma-ray spectrum by normalizing experimental data, resulting in estimated gamma spectra for the Cd-113(n, {x gamma}) reaction induced by thermal neutrons. These were normalized to the average theoretical spectrum calculated using EMPIRE and TALYS codes.
NUCLEAR PHYSICS AND ATOMIC ENERGY
(2021)
Article
Physics, Nuclear
Morgan B. Fox, Andrew S. Voyles, Jonathan T. Morrell, Lee A. Bernstein, Jon C. Batchelder, Eva R. Birnbaum, Cathy S. Cutler, Arjan J. Koning, Amanda M. Lewis, Dmitri G. Medvedev, Francois M. Nortier, Ellen M. O'Brien, Christiaan Vermeulen
Summary: This study aimed to measure the production of the Se-72/As-72 PET generator system via stacked-target irradiations, while also reporting the first measurements of As-75(p, x) Ge-68. Evaluation of high-energy proton-induced reactions was conducted and compared with literature and theoretical calculations.
Article
Physics, Nuclear
E. Simeckova, M. Avrigeanu, J. Mrazek, J. Novak, M. Stefanik, C. Costache, V Avrigeanu
Summary: The study aims to enhance the database of deuteron-induced reactions by accurately measuring low-energy reaction cross sections, achieving a unified and consistent account of mechanisms such as deuteron breakup, direct reactions, pre-equilibrium emission, and compound nucleus decay.
Article
Physics, Nuclear
M. Sin, R. Capote, M. W. Herman, A. Trkov, B. Carlson
Summary: Comprehensive calculations of photon-induced reactions on U233-238 targets for incident photon energies from 3 up to 30 MeV are conducted using the statistical model code EMPIRE-3.2 Malta. The differences and similarities between models and parameters used in calculations of photon- and neutron-induced reactions on the same nuclei, focusing on fission, are discussed. The role of an extended optical model for fission, which includes partial damping in the continuum, in improving the description of the measured data is emphasized.
Article
Physics, Nuclear
Morgan B. Fox, Andrew S. Voyles, Jonathan T. Morrell, Lee A. Bernstein, Amanda M. Lewis, Arjan J. Koning, Jon C. Batchelder, Eva R. Birnbaum, Cathy S. Cutler, Dmitri G. Medvedev, Francois M. Nortier, Ellen M. O'Brien, Christiaan Vermeulen
Summary: This study investigated the complexities of nuclear reaction modeling and cross-section parameter measurements at high-energy proton beams. Through collaborative experiments and comparative studies, it explored the production of various residual products and found underestimation in the default model compared to actual measurements, leading to the development of a standardized procedure for adjusting model parameters.
Article
Physics, Nuclear
M. Avrigeanu, E. Simeckova, U. Fischer, J. Mrazek, J. Novak, M. Stefanik, C. Costache, V Avrigeanu