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Dark matter halos contain a wealth of substructure in the form of subhalos and tidal streams. Enhancements in the dark matter density of these regions leads to enhanced rates in direct detection experiments, as well as enhanced dark matter…

High Energy Astrophysical Phenomena · Physics 2009-12-09 Savvas M. Koushiappas , Marc Kamionkowski

Neutrino emissions from electron/positron capture on the deuteron and the nucleon-nucleon fusion processes in the surface region of a supernova core are studied. These weak processes are evaluated in the standard nuclear physics approach,…

High Energy Astrophysical Phenomena · Physics 2015-06-18 S. Nasu , S. X. Nakamura , K. Sumiyoshi , T. Sato , F. Myhrer , K. Kubodera

Ab initio molecular dynamics calculations of deuterium desorbing from Si(100) have been performed in order to monitor the energy redistribution among the hydrogen and silicon degrees of freedom during the desorption process. The…

mtrl-th · Physics 2008-02-03 Axel Gross , Michel Bockstedte , Matthias Scheffler

Context: Reconnaissance of feasibility of detection of interstellar neutral D by the forthcoming NASA SMEX mission IBEX. Aims: To investigate by numerical simulations the absolute density and flux at Earth orbit of neutral interstellar D…

Astrophysics · Physics 2009-11-13 S. Tarnopolski , M. Bzowski

Bethe's view-point on the global energy problems is presented. Bethe claimed that the nuclear power is a necessity in future. Nuclear energetic must be based on breeder reactors. Bethe considered the non-proliferation of nuclear weapons as…

Physics and Society · Physics 2007-05-23 B. L. Ioffe

The operation of a nuclear power station powering Deep Space transport is presented in the paper. The power station consists of a Gas Core Reactor (GCR) with magnetohydrodynamic (MHD) generator. A new model of gas core reactor which has…

Instrumentation and Detectors · Physics 2021-05-26 Mikhail Shubov

Stellar nucleosynthesis proceeds via the deuteron (D), but only a small change in the fundamental constants of nature is required to unbind it. Here, we investigate the effect of altering the binding energy of the deuteron on proton burning…

Cosmology and Nongalactic Astrophysics · Physics 2017-07-26 Luke A. Barnes , Geraint F. Lewis

We discuss the importance of precise study of muon capture in deuterium for correct understanding of some fundamental astrophysical processes

Nuclear Theory · Physics 2010-12-13 P. Ricci , E. Truhlik

The accurate evaluation of the nuclear reaction rates and corresponding uncertainties is an essential requisite for a precise determination of light nuclide primordial abundances. The recent measurement of the D(p,gamma)3He radiative…

Cosmology and Nongalactic Astrophysics · Physics 2021-04-14 Ofelia Pisanti , Gianpiero Mangano , Gennaro Miele , Pierpaolo Mazzella

Thick target deuteron breakup is a variable-energy accelerator-based source of high-energy neutrons, with applications in fundamental and applied nuclear science and engineering. However, the breakup mechanism remains poorly understood, and…

The calibration of jet energy measured in the \DZero detector is presented, based on ppbar collisions at a center-of-mass energy of 1.96 TeV at the Fermilab Tevatron collider. Jet energies are measured using a sampling calorimeter composed…

High Energy Physics - Experiment · Physics 2013-12-25 D0 Collaboration

Recent progress towards the non-fission ignition of thermonuclear micro-explosions raises the prospect for a revival of the nuclear bomb propulsion idea, both for the fast transport of large payloads within the solar system and the launch…

Plasma Physics · Physics 2008-03-27 F. Winterberg

We report results of fast neutron response in plastic scintillator (PS) bars from deuterium-deuterium (D-D) and deuterium-tritium (D-T) reactions using Purnima Neutron Generator Facility, BARC, Mumbai. These measurements are useful in…

Instrumentation and Detectors · Physics 2021-11-08 R. Dey , P. K. Netrakanti , D. K. Mishra , S. P. Behera , D. Mulmule , T. Patel , P. S. Sarkar , V. Jha , L. M. Pant

For most of their existence stars are fueled by the fusion of hydrogen into helium proceeding via two theoretically well understood processes, namely the $pp$ chain and the CNO cycle. Neutrinos emitted along such fusion processes in the…

An improved procedure is suggested for finding the total photoabsorption cross section on the neutron from data on the deuteron at energies < 1.5 GeV. It includes unfolding of smearing effects caused by Fermi motion of nucleons in the…

Nuclear Theory · Physics 2013-01-22 M. I. Levchuk , A. I. L'vov

The alpha-particle energy deposition mechanism modifies the ignition conditions of the thermonuclear Deuterium-Tritium fusion reactions, and constitutes a key issue in achieving high gain in Inertial Confinement Fusion implosions.…

Plasma Physics · Physics 2017-08-02 Mauro Temporal , Benoit Canaud , Withold Cayzac , Rafael Ramis , Robert L. Singleton

The $dp\to dp$ and $dd\to ^3He n$ reactions are considered in the energy range from few hundred MeV up to 1 GeV. The approach is based on the multiple-scattering theory, where the few-body collisions are presented through two-body ones. The…

Nuclear Theory · Physics 2011-08-31 Nadezhda Ladygina

Temperature and kinematic line broadening are the primary contributions to the width of the proton energy spectrum measured in cluster-impact fusion experiments. By ascertaining these two contributions, we have determined an effective…

Nuclear Theory · Physics 2009-11-10 Y. E. Kim , J. -H. Yoon , R. A. Rice , M. Rabinowitz

Magnetic reconnection has long been known to be the most important mechanism not only for mixing the plasmas by changing the magnetic field topology but also for releasing the magnetic field energy into the plasma kinetic energy. During…

High Energy Astrophysical Phenomena · Physics 2024-04-25 Masahiro Hoshino

Within the framework of a dinuclear system (DNS) model, the evaporation-residue excitation functions and the quasi-fission mass yields in the $^{48}$Ca induced fusion reactions are investigated systematically and compared with available…

Nuclear Theory · Physics 2009-11-13 Zhao-Qing Feng , Gen-Ming Jin , Jun-Qing Li , Werner Scheid
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