Results 21 to 30 of about 320,326 (253)

Investigation of the Raman backward radiation evolutions leading to chaos in the interaction of intense laser pulses with Helium atoms [PDF]

open access: yesمجله علوم و فنون هسته‌ای, 2022
This paper investigates the stochastic heating of electrons caused by Raman backscatter radiations during the interaction of a laser pulse with helium atoms by means of a parallel particle-in-cell (PIC) code.
Z. Dehghani   +2 more
doaj   +1 more source

Investigation of the wakefield generation in the interaction of the intense laser pulse with gas [PDF]

open access: yesمجله علوم و فنون هسته‌ای, 2021
In the present work, the formation of the wakefield during the interaction of intense laser pulse with a gas medium has been investigated by using PIC simulation code, including the ionization process.
E. Khalilzadeh, M.J. Jafari, Z. Dehghany
doaj   +1 more source

Research Paper: Parametric Spectroscopy Characterization of the Induced Coupled Plasma ICP Torch 13.56 MHz under Atmospheric and Vacuum Pressure [PDF]

open access: yesفیزیک کاربردی ایران
In this research, measurements and calculations were carried out to estimate plasma density and temperature for the optimized ICP torch in two regimes: vacuum and atmospheric pressure.
Mansour Tabatabaei   +4 more
doaj   +1 more source

GS-DeepNet: mastering tokamak plasma equilibria with deep neural networks and the Grad–Shafranov equation

open access: yesScientific Reports, 2023
The force-balanced state of magnetically confined plasmas heated up to 100 million degrees Celsius must be sustained long enough to achieve a burning-plasma state, such as in the case of ITER, a fusion reactor that promises a net energy gain.
Semin Joung   +9 more
doaj   +1 more source

Design and construction of a laboratory plasma gasification system for municipal solid waste [PDF]

open access: yesمجله علوم و فنون هسته‌ای
Plasma gasification system technology is one of the definitive low-risk disposal methods. The article discusses the design and construction of a plasma gasification system using a plasma torch.
Gh. Khaleghian   +4 more
doaj   +1 more source

Diagnostic Methodologies of Laser-Initiated 11B(p,α)2α Fusion Reactions

open access: yesFrontiers in Physics, 2020
The detection of the ionic products of low-rate fusion reactions, and in particular of the 11B(p,α)2α, is one of the recognized main problems in experiments where these reactions are initiated by tailored interaction of intense and high-energy lasers ...
Fabrizio Consoli   +11 more
doaj   +1 more source

Optimization of pump laser conditions for production of maximum gain of Ne-like Ge soft x-ray laser [PDF]

open access: yesمجله علوم و فنون هسته‌ای, 2021
Laser produced plasma can be used as the sources of soft X-ray laser. The ability to control the laser quality and its gain coefficient by controlling laser and plasma’s parameters is one of the advantages of this method.
G. Ghani Moghadam   +3 more
doaj   +1 more source

Using 157Gd doped carbon and 157GdF4 nanoparticles in proton-targeted therapy for effectiveness enhancement and thermal neutron reduction: a simulation study

open access: yesScientific Reports, 2022
There are two major problems in proton therapy. (1) In comparison with the gamma-ray therapy, proton therapy has only ~ 10% greater biological effectiveness, and (2) the risk of the secondary neutrons in proton therapy is another unsolved problem.
Farshid Tabbakh   +4 more
doaj   +1 more source

CFD Optimization of the Resistivity Meter for the IFMIF-DONES Facility

open access: yesEnergies, 2021
A detailed study of lithium-related topics in the IFMIF-DONES facility is currently being promoted and supported within the EUROfusion action, paying attention to different pivotal aspects including lithium flow stability and the monitoring and ...
Ranieri Marinari   +4 more
doaj   +1 more source

Temperature measurement and examination of E to H transition in vacuum ICP plasma [PDF]

open access: yesمجله علوم و فنون هسته‌ای
In this paper, we first briefly describe the constructed Inductively Coupled Plasma Source device, ICP-13.56, which includes two vacuum and atmospheric pressure torches. Afterward, focusing on the vacuum-torch operation, we discuss the plasma temperature
S.M. Tabatabaie   +2 more
doaj   +1 more source

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