Results 41 to 50 of about 4,784,253 (254)

Monte Carlo simulation of ion beam and background gas collisions

Physical Review Accelerators and Beams
In current beam simulation software, there is no functionality specifically designed for the generation and tracking calculation of secondary particles produced during beam transport.
Shixian Cai, Kedong Wang, Wei Huang, Jinghui Wang, Kai Wang, Dongpo Fu, Jie Li, Caijie Zhang, Tingru Zhu, Zhiying Xu, Kun Zhu   +10 more
doaj   +1 more source

Neutral beam development at BNL [PDF]

, 1981
The long-term objective of the BNL Neutral Beam Development Group is to design and test a neutral beam system, using negative ion sources with a high beam current density.
Kovarik, V., Alessi, J.G., Hershcovitch, A., Sluyters, Th., Larson, R.A., McKenzie-Wilson, R., Prelec, K.   +6 more
core  

Influence of Fe Particle Size Distribution on Chemical Homogeneity, Microstructure, and Crack Formation in Fe–SiC Powder Blends Processed by PBF‐LB/M

Advanced Engineering Materials, EarlyView.
The influence of Fe particle size on in situ alloying of Fe–SiC powder blends in PBF‐LB/M is revealed. Contrary to expectations, the coarser Fe fraction provides a broader crack‐free processing window and slightly improved elemental homogeneity while producing higher but more variable hardness. The results highlight a complex trade‐off between particle
Anna Luise Strauch, Anastasiya Toenjes, Matthias Steinbacher   +2 more
wiley   +1 more source

Decoupling beam power and beam energy on ASDEX Upgrade NBI with an in-situ variable extraction gap system

Nuclear Fusion
In early 2022 one source of ASDEX Upgrade’s (AUG) neutral beam injector 2 was equipped with a first-of-its-kind beam extraction grid system with in-situ variable extraction/acceleration gap that allows one to choose beam energy and beam power ...
C. Hopf, N. den Harder, B. Heinemann, C. Angioni, U. Plank, M. Weiland, the ASDEX Upgrade Team   +6 more
doaj   +1 more source

First direct comparison of whole beam and single beamlet divergences in a negative ion source with simultaneous BES and CFC tile calorimetry measurements

AIP Advances, 2021
Neutral beam injection (NBI) systems are required for heating and current drive in the next generation fusion experiment ITER, and strict requirements are placed on the beamlet core divergence (
A. Hurlbatt, F. Bonomo, A. Pimazzoni, P. Veltri, M. Agostini, M. Barbisan, M. Brombin, R. Delogu, U. Fantz, B. Heinemann, N. den Harder, G. Orozco, C. Poggi, L. Schiesko, G. Serianni, M. Ugoletti, C. Wimmer   +16 more
doaj   +1 more source

NEUTRON PRODUCTION BY NEUTRAL BEAM SOURCES [PDF]

, 1979
Neutron yields, from interactions of multiampere 40- to 120-keV deuterium beams with deuterium atoms implanted in copper targets, have been measured in order to provide input data for shielding of neutral-deuterium beam facilities for magnetic fusion ...
McCaslin, J.B., Ruby, L., Pyle, R.V., Berkner, K.H., Massoletti, D.J.   +4 more
openaire   +2 more sources

Laser‐Induced Graphene from Waste Almond Shells

Advanced Functional Materials, EarlyView.
Almond shells, an abundant agricultural by‐product, are repurposed to create a fully bioderived almond shell/chitosan composite (ASC) degradable in soil. ASC is converted into laser‐induced graphene (LIG) by laser scribing and proposed as a substrate for transient electronics.
Yulia Steksova, Anna Chiara Bressi, Marina Galliani, Attilio Marino, Gianni Ciofani, Eduardo Machado‐Charry, Hilda Gomez Bernal, Alessandra Francini, Luca Sebastiani, Francesco Greco   +9 more
wiley   +1 more source

200 amp Neutral Beam Source [PDF]

, 1973
Recent efforts in controlled fusion experiments have indicated the need for large neutral-beam sources to provide an initial plasma for further plasma buildup, for use as a stoking source to makeup losses, or for plasma heating. Experiments now operating
Duffy, Thomas J.
core  

Counterion Dependent Side‐Chain Relaxation Stiffens a Chemically Doped Thienothiophene Copolymer

Advanced Functional Materials, EarlyView.
Oxidation of a thienothiophene copolymer, p(g3TT‐T2), via different doping strategies and dopant molecules resulted in materials with similar oxidation levels and a high electrical conductivity of ≈100 S cm−1. However, mechanical properties varied significantly, with sub‐glass transition temperatures and elastic moduli spanning from –44°C to –3°C and ...
Mariavittoria Craighero, Meghna Jha, Elsa Veronica Flores‐Vela, Joost Kimpel, Andreas Schaefer, Jiali Guo, Jesika Asatryan, Alberto Peinador Veiga, Shuichi Haraguchi, Per‐Anders Carlsson, Jaime Martín, Mariano Campoy‐Quiles, Christian Müller   +12 more
wiley   +1 more source

Divertor Tokamak Test: Impact of NBI shine-through and beam-plasma interaction on Divertor Tokamak Test facility

Frontiers in Physics
IntroductionIn this work, we aim to explore numerically the behavior of beam energetic particles in the Divertor Tokamak Test (DTT), a superconductive device equipped with a Neutral Beam Injection (NBI) system capable of injecting neutrals up to 510 keV ...
C. De Piccoli, C. De Piccoli, P. Vincenzi, P. Vincenzi, F. Veronese, P. Agostinetti, P. Agostinetti, I. Casiraghi, I. Casiraghi, A. Castaldo, P. Mantica, A. Murari, A. Murari, T. Bolzonella   +13 more
doaj   +1 more source