English
Related papers

Related papers: Ignition of a deuterium micro-detonation with a gi…

200 papers

Significant progress has been made towards laser-driven fusion ignition via different schemes, including direct and indirect central ignition, fast ignition, shock ignition, and impact ignition schemes. However, to reach ignition…

Plasma Physics · Physics 2016-06-09 W. -M. Wang , P. Gibbon , Z. -M. Sheng , Y. T. Li , J. Zhang

We describe how thermally produced anti-electron neutrinos ($\bar\nu_e$) from the homologously collapsing core of a supermassive star ($M \ga 5\times10^4 M_\odot$) can lead to significant deuterium enrichment in the ejected envelope of such…

Astrophysics · Physics 2009-10-30 George M. Fuller , Xiangdong Shi

The performance of the solid deuterium ultra-cold neutron source at the pulsed reactor TRIGA Mainz with a maximum peak energy of 10 MJ is described. The solid deuterium converter with a volume of V=160 cm3 (8 mol), which is exposed to a…

Instrumentation and Detectors · Physics 2015-06-16 J. Karch , Yu. Sobolev , M. Beck , K. Eberhardt , G. Hampel , W. Heil , R. Kieser , T. Reich , N. Trautmann , M. Ziegner

We report the generation of MeV temperature electrons using sub-terawatt laser systems with a liquid methanol jet as a target. Remarkably, even at laser intensities of 1016W/cm2, liquid cylindrical (2D) 15 micron methanol jets produce…

The National Ignition Facility (NIF) technology is designed to drive deuterium-tritium (DT) internal confinement fusion (ICF) targets to ignition using indirect radiation from laser beam energy captured in a hohlraum. Hydrodynamical…

Plasma Physics · Physics 2015-06-26 A. C. Hayes , G. Jungman , J. C. Solem , P. A. Bradley , R. S. Rundberg

We have studied nuclear fusion reactions from the Coulomb explosion of deuterium clusters induced by high-intensity laser beams within a transport approach. By incorporating the D+D $\rightarrow$ n + He$^3$ channel as inelastic collisions…

Nuclear Theory · Physics 2022-09-20 Zhe Zhu , Jun Xu , Guo-Qiang Zhang

Non-vanishing electromagnetic properties of the neutrinos have been predicted by many theories beyond the Standard Model, and an enhanced neutrino magnetic moment can have profound implications for fundamental physics. The XENON1T…

High Energy Physics - Experiment · Physics 2021-12-22 Ziping Ye , Feiyang Zhang , Donglian Xu , Jianglai Liu

The deuteron fragmentation by fast protons has been studied both near the kinematics of quasi-free proton - proton scattering and far away from it. We have concentrated on the interplay between different reaction mechanisms associated with…

Nuclear Theory · Physics 2009-11-10 N. B. Ladygina , A. V. Shebeko

The deuteron-deuteron (D-D) thermonuclear reaction rates in metallic environments (considering the electron screening effects) is calculated using the S-factor functions which were obtained by fitting to low-energy data on D-D reactions.…

Nuclear Theory · Physics 2025-06-03 Faisal Etminan

The vector and tensor analysing powers, $A_y$ and $A_{yy}$, of the $\vec{p}d \to n\{pp\}_{s}$ charge-exchange reaction have been measured at a beam energy of 600 MeV at the COSY-ANKE facility by using an unpolarised proton beam incident on…

The strong degeneracy of the 12C ignition layer on an accreting neutron star results in a hydrodynamic thermonuclear runaway, in which the nuclear heating time becomes shorter than the local dynamical time. We model the resulting combustion…

Astrophysics · Physics 2009-11-13 Nevin N. Weinberg , Lars Bildsten

The interaction of a Grand Unification Magnetic Monopole with a nucleon can lead to a barion-number violating process in which the nucleon decays into a lepton and one or more mesons (catalysis of nucleon decay). In this paper we report an…

High Energy Physics - Experiment · Physics 2012-08-27 The MACRO Collaboration

Activation cross sections of the natEr(d,x)163,165,166,167,168,170Tm and natEr(d,x)171,161Er nuclear reactions have been measured in the 32-50 MeV energy range, above 40 MeV for the first time. The activation method with stacked foil…

Nuclear Experiment · Physics 2020-08-24 F. Tárkányi , A. Hermanne , F. Ditrói , S. Takács

If matter is suddenly put under a high pressure, for example a pressure of 100 Mb =10^14 dyn/cm^2, it can undergo a transformation into molecular excited states, bound by inner electron shells, with keV potential well for the electrons. If…

Classical Physics · Physics 2008-02-27 F. Winterberg

Activation cross-sections of deuterons induced reactions on Nb targets were determined with the aim of different applications and comparison with theoretical models.

Nuclear Experiment · Physics 2016-10-13 F. Ditrói , F. Tárkányi , S. Takács , A. Hermanne , A. V. Ignatyuk

We compare the prospects for detecting a neutrino magnetic moment by the measurement of neutrinos from a tritium source, reactors and low-energy beta-beams. In all cases the neutrinos or antineutrinos are detected by scattering of…

High Energy Physics - Phenomenology · Physics 2009-11-10 G. C. McLaughlin , C. Volpe

We present results of 2D hydrodynamic simulations of stellar core collapse, which confirm that the neutrino-heating mechanism remains viable for the explosion of a wider mass range of supernova progenitors with iron cores. We used an…

Astrophysics · Physics 2009-06-23 A. Marek , H. Th. Janka

We study experimentally fast flames and their transition to detonation in mixtures of methane, ethane, ethylene, acetylene, and propane mixtures with oxygen. Following the interaction of a detonation wave with a column of cylinders of…

Fluid Dynamics · Physics 2015-12-09 Mohamed Saif , Wentian Wang , Andrzej Pekalski , Marc Levin , Matei I. Radulescu

Muon catalyzed fusion in deuterium has traditionally been studied in gaseous and liquid targets. The TRIUMF solid-hydrogen-layer target system has been used to study the fusion reaction rates in the solid phase of D_2 at a target…

We perform three-dimensional simulations of magnetorotational supernovae using a $39\,M_{\odot}$ progenitor star with two different initial magnetic field strengths of $10^{10}$ G and $10^{12}$ G in the core. Both models rapidly undergo…

High Energy Astrophysical Phenomena · Physics 2023-05-10 Jade Powell , Bernhard Mueller , David R. Aguilera-Dena , Norbert Langer