Results 71 to 80 of about 76,946 (296)

Finite temperature effects on cosmological baryon diffusion and inhomogeneous Big-Bang nucleosynthesis [PDF]

, 1998
We have studied finite temperature corrections to the baryon transport cross sections and diffusion coefficients. These corrections are based upon the recently computed renormalized electron mass and the modified state density due to the background ...
A. F. Heckler, A. Songaila, B. Banerjee, C. Alcock, C. Alcock, C. Bernard, C. J. Copi, C. J. Copi, D. A. Dicus, D. Tytler, E. W. Kolb, E. Witten, G. J. Mathews, G. J. Mathews, G. J. Mathews, G. J. Mathews, G. M. Fuller, H. A. Weldon, H. Kurki-Suonio, H. Kurki-Suonio, H. Kurki-Suonio, H. Kurki-Suonio, H. Reeves, In-Saeng Suh, In-Saeng Suh, J. F. Donoghue, J. H. Applegate, J. H. Applegate, J. H. Applegate, J. L. Cambier, K. Ahmed, K. Jedamzik, K. Jedamzik, K. Jedamzik, K. Kajantie, L. Dolan, L. Rezzolla, M. N. Rosenbluth, M. Orito, N. Fornengo, N. Hata, N. Terasawa, N. Terasawa, N. Terasawa, R. A. Malaney, R. A. Malaney, R. Baier, S. A. Bonometto, S. Burles, S. Saleem, S. Weinberg, T. Toimela, W. Greiner   +52 more
core   +2 more sources

Atomistic Mechanisms Triggered by Joule Heating Effects in Metallic Cu‐Bi Nanowires for Spintronics

Advanced Materials, EarlyView.
Bi doped metallic Cu nanowires are promising for spintronics thanks to the stabilization of a giant spin Hall effect. However, heat resulting from current injection forces Bi to leave solution, forcing segregation into monoatomic decorations which evolve into coherent crystalline aggregates.
Alejandra Guedeja‐Marrón, Juan Ignacio Beltrán, Matilde Saura‐Múzquiz, Paolo Perna, M. Carmen Muñoz, Lucas Pérez, Maria Varela   +6 more
wiley   +1 more source

THERMAL AND EPITHERMAL NEUTRON GENERATION FOR NUCLEAR MEDICINE USING ELECTRON LINEAR ACCELERATOR

East European Journal of Physics, 2016
In this paper, to obtain streams of thermal and epithermal neutrons are used delayed neutrons emitted from the target with a fissile material. The target preliminarily activated with help of electron beam from linear accelerator with an energy of 20 MeV ...
V. I. Kasilov, S. P. Gokov, A. N. Dovbnya, S. A. Kalenik, K. S. Kokhnyuk, S. S. Kochetov, A. A. Khomich, O. A. Shopen   +7 more
doaj  

Neutron-loaded outflows in gamma-ray bursts

, 2005
Relativistic neutron-loaded outflows in gamma-ray bursts are studied at their early stages, before deceleration by a surrounding medium. The outflow has four components: radiation, electrons, protons and neutrons.
Andrei M. Beloborodov, Bahcall, Beloborodov, Beloborodov, Beloborodov, Beloborodov, Daum, Derishev, Derishev, Elena M. Rossi, Fuller, Ghirlanda, Lemoine, MacFadyen, Martin J. Rees, Misner, Mészáros, Mészáros, Piran, Pruet, Rees, Ryde, Shimizu, Stepney, Svensson, Vlahakis   +25 more
core   +1 more source

Beyond Earth: Resilience of Quasi‐2D Perovskite Solar Cells in Space

Advanced Materials, EarlyView.
In the article (DOI: 10.1002/adma.202520433), Christoph Putz and co‐workers demonstrate rigid quasi‐2D perovskite solar cells operating in low Earth orbit, delivering stable power for more than 100 days under real‐space conditions. In‐orbit performance is correlated with extensive ground‐based thermal and proton‐irradiation studies on rigid and ...
Christoph Putz, Lukas E. Lehner, Stepan Demchyshyn, Bekele Hailegnaw, Phillip Jahelka, Magdalena Breitwieser, Sercan Özen, Andrea Denker, Jürgen Bundesmann, Alina Hanna Dittwald, Dilara Karabulut, Philipp Tockhorn, Steve Albrecht, Felix Lang, Markus C. Scharber, Michael D. Kelzenberg, Harry A. Atwater, Martin Kaltenbrunner   +17 more
wiley   +1 more source

Understanding Operando Water Management in Hydroxide‐Exchange‐Membrane Fuel Cells

Advanced Materials Interfaces, EarlyView.
Effective water management is vital for high‐performance hydroxide‐exchange‐membrane fuel cells. Using a custom water‐flux station, this study quantifies how membrane thickness, microporous layers, and operating conditions dictate internal water transport.
Catherine M. Weiss, Shiyi Wang, Brian P. Setzler, Yushan Yan, Adam Z. Weber   +4 more
wiley   +1 more source

MeV Neutron Production from Thermal Neutron Capture in {6}^Li Simulated with Geant4

, 2015
Various Li compounds are commonly used at neutron facilities as neutron absorbers. These compounds provide one of the highest ratios of neutron attenuation to $\gamma$-ray production. Unfortunately, the usage of these compounds can also give rise to fast
Bentley, Phillip M., Di Julio, Douglas D., Santoro, Valentina   +2 more
core   +1 more source

thermal neutrons

, 2014
Citation: 'thermal neutrons' in the IUPAC Compendium of Chemical Terminology, 3rd ed.; International Union of Pure and Applied Chemistry; 2006. Online version 3.0.1, 2019. 10.1351/goldbook.T06307 • License: The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International for individual terms.
openaire   +1 more source

Advances in Halide Perovskites for Photon Radiation Detectors

Advanced Materials Technologies, EarlyView.
This work highlights recent progress in perovskite‐based photon radiation detectors, covering organic–inorganic hybrid, inorganic, lead‐free double, and vacancy‐ordered halide perovskites. Their detection performance is compared, material‐specific advantages and challenges are examined, and provides insight into current limitations and future ...
Liangling Wang, Jieqi Wang, Xiaojun Cui, Carsten Ronning   +3 more
wiley   +1 more source

Reactor as a Source of Antineutrinos: Thermal Fission Energy

, 2004
Deeper insight into the features of a reactor as a source of antineutrinos is required for making further advances in studying the fundamental properties of the neutrino.
A. G. Beda, G. Audi, L. A. Mikaelyan, M. Appolonio, M. F. James, V. I. Kopeikin, V. I. Kopeikin, V. I. Kopeikin, V. V. Sinev, Yu. Kozlov   +9 more
core   +2 more sources