English
Related papers

Related papers: Energy Balance Within Thermonuclear Reactors

200 papers

The induced gluon radiation of a high energy quark in a finite-size QCD medium is studied. For a sufficiently energetic quark produced inside a medium we find the radiative energy loss $\Delta E_{q}\propto L^{2}$, where L is the distance…

High Energy Physics - Phenomenology · Physics 2011-05-05 B. G. Zakharov

The nuclear evaporation process is reformulated by taking into account simultaneous multiparticle emission from a hot compound nucleus appearing as an intermediate state in many nuclear reaction mechanisms. The simultaneous emission of many…

Nuclear Theory · Physics 2012-08-09 Leonardo P. G. De Assis , Sergio B. Duarte , Bianca M. Santos

A disrupting plasma in a high-performance tokamak such as ITER or SPARC may generate large runaway electron currents that, upon impact with the tokamak wall, can cause serious damage to the device. To quickly identify regions of safe…

Plasma Physics · Physics 2026-03-24 Björn Zaar , István Pusztai , Ida Ekmark , Tünde Fülöp

The accumulation of impurities in the core of magnetically confined plasmas, resulting from standard collisional transport mechanisms, is a known threat to their performance as fusion energy sources. Whilst the axisymmetric tokamak systems…

Plasma Physics · Physics 2017-11-15 Sarah L. Newton , Per Helander , Albert Mollén , Håkan M. Smith

Astrophysical environments that reach temperatures greater than $\sim$ 100 keV can have significant neutrino energy loss via both plasma processes and nuclear weak interactions. We find that nuclear processes likely produce the…

High Energy Astrophysical Phenomena · Physics 2016-12-07 G. Wendell Misch , George M. Fuller

Stellar nuclear fusion reactions take place in a hot, dense plasma within stars. To account for the effect of these environments, the theory of open quantum systems is used to conduct pioneering studies of thermal and atomic effects on…

Nuclear Theory · Physics 2023-05-18 Iain Lee , Gilbert Gosselin , Alexis Diaz-Torres

There are two main methods of nulcear fusion: inertial confinement fusion (ICF) and magnetic confinement fusion (MCF). Existing thermonuclear reactors are very complex, expensive, large, and heavy. They cannot achieve the Lawson creterion.…

General Physics · Physics 2007-06-15 Alexander Bolonkin

It is vital that new clean and abundant sources of energy be developed for the sustainability of modern society. Nuclear fusion of the hydrogen isotopes deuterium and tritium, if successful, might make a major contribution toward satisfying…

Materials Science · Physics 2009-08-31 W. J. Nellis

Negative triangularity tokamak plasmas feature naturally enhanced confinement in the so-called L-mode regime, irrespective of the power of external heating. This is in contrast to conventional scenarios, which require exceeding a given…

Plasma Physics · Physics 2025-10-24 Alessandro Balestri , Justin Ball , Stefano Coda

The application of non-axisymmetric resonant magnetic perturbations (RMPs) to low current plasmas in the Mega Amp Spherical Tokamak (MAST) was found to be correlated with substantial drops in neutron production, suggesting a significant…

Plasma Physics · Physics 2018-08-15 K G McClements , K Tani , R J Akers , Y Q Liu , K Shinohara , H Tsutsui , S Tsuji-Iio

Type I X-ray bursts are thermonuclear explosions on the surface of accreting neutron stars. Hydrogen rich X-ray bursts burn protons far from the line of stability and can release energy in the form of neutrinos from $\beta$-decays. We have…

High Energy Astrophysical Phenomena · Physics 2019-01-16 Adelle J. Goodwin , Alexander Heger , Duncan K. Galloway

Bremsstrahlung radiation is an important energy loss mechanism for energetic electrons in plasmas. In this paper we investigate the effect of bremsstrahlung radiation reaction on the electron distribution in 2D momentum space. We show that…

Plasma Physics · Physics 2015-11-13 Ola Embréus , Adam Stahl , Sarah Newton , Gergely Papp , Eero Hirvijoki , Tünde Fülöp

High flux of electron neutrinos($\nue$) is produced at nuclear power reactors through the decays of nuclei activated by neutron capture. Realistic simulation studies on the neutron transport and capture at the reactor core were performed.…

High Energy Physics - Experiment · Physics 2009-09-29 B. Xin , TEXONO Collaboration

Nuclear reactions generate energy in nuclear reactors, in stars, and are responsible for the existence of all elements heavier than hydrogen in the universe. Nuclear reactions denote reactions between nuclei, and between nuclei and other…

Nuclear Theory · Physics 2010-07-15 C. A. Bertulani

Ongoing research in new nuclear mechanisms hold the potential for beneficial developments in nuclear power cycle designs. Recent reports investigated the possibility of lattice dynamics to influence nuclear processes in metals. Results from…

A charged particle traversing a plasma loses its energy to both plasma electrons and ions. We compute the energy partition, the fractions $E_e/E_0$ and $E_\smI/E_0$ of the initial energy $E_0$ of this `impurity particle' that are deposited…

Plasma Physics · Physics 2013-05-30 Lowell S. Brown , Dean L. Preston , Robert L. Singleton

Flux-surface-averaged momentum loss and parallel rotation of the bulk ions at the edge of a tokamak plasma due to the ion orbit loss are calculated by computing the minimum loss energy of both the trapped and the passing thermal ions. The…

Plasma Physics · Physics 2015-06-19 Chengkang Pan , Shaojie Wang , Jing Ou

Using the AdS/CFT correspondence, we compute the radiative energy loss of a slowly decelerating heavy quark with mass M moving through a supersymmetric Yang Mills (SYM) plasma at temperature T at large t'Hooft coupling \lambda. The…

High Energy Physics - Phenomenology · Physics 2014-11-18 Guillaume Beuf , Cyrille Marquet , Bo-Wen Xiao

The thermal collapse of a nearly collisionless plasma interacting with a cooling spot, in which the electron parallel heat flux plays an essential role, is investigated both theoretically and numerically. We show that such thermal collapse,…

Plasma Physics · Physics 2023-12-15 Yanzeng Zhang , Jun Li , Xianzhu Tang

A new dynamic is identified between dark matter and nuclei. Nuclei accelerated to MeV energies by the internal potential of composite dark matter can undergo nuclear fusion. This effect arises in simple models of composite dark matter made…

High Energy Physics - Phenomenology · Physics 2022-01-25 Javier F. Acevedo , Joseph Bramante , Alan Goodman