English
Related papers

Related papers: A Powerful Pulsed "Point-Like" Neutron Source Base…

200 papers

The current deuteron beam polarimetry at Nuclotron is provided by the Internal Target polarimeter based on the use of the asymmetry in dp- elastic scattering at large angles in the cms at 270 MeV. The upgraded deuteron beam polarimeter has…

Rates of coherent neutrino-nucleus elastic scattering at a high-intensity stopped-pion neutrino source in various detector materials (relevant for novel low-threshold detectors) are calculated. Sensitivity of a coherent neutrino-nucleus…

High Energy Physics - Experiment · Physics 2008-11-26 Kate Scholberg

We propose a new type of axisymmetric dielectric target which effectively concentrates Cherenkov radiation (CR) generated in the bulk of the material into a small vicinity of focus point. It can be called the "axicon-based concentrator for…

Accelerator Physics · Physics 2020-11-18 Sergey N. Galyamin , Andrey V. Tyukhtin

We propose a new approach for a high-density free-neutron target, primarily aimed at nuclear astrophysics reaction studies in inverse kinematics with radioactive ions circulating in a storage ring. The target concept integrates four key…

Nuclear Experiment · Physics 2026-04-14 Ariel Tarifeño-Saldivia , César Domingo-Pardo , Iris Dillmann , Yuri A. Litvinov

The two dominant radiotherapy methods are either simplified in terms of beam generation and handling, which compromises the energy deposition curve in tissues (photon therapy), or require extensive accelerator facilities and complex beam…

Accelerator Physics · Physics 2023-09-12 Marta Monikowska , Marcin Patecki

New kind of positron sources for future linear colliders, where the converter is a tungsten crystal oriented on the <111> axis, has been studied at CERN in the WA103 experiment. In such sources the photons which create the $e^+ e^-$ pairs…

The production of ion beams from the interaction of a circularly polarized laser pulse with a nanometric double-layer target is discussed in the regime where all electrons are expelled from the target by laser radiation pressure.…

Plasma Physics · Physics 2013-09-06 M. Grech , S. Skupin , R. Nuter , L. Gremillet , E. Lefebvre

A new approach to deuterium ion sources for deuterium-tritium neutron generators is being developed. The source is based upon the field desorption of deuterium from the surfaces of metal tips. Field desorption studies of microfabricated…

Instrumentation and Detectors · Physics 2010-11-11 I. Solano , B. Reichenbach , P. R. Schwoebel , D. L. Chichester , C. E. Holland , K. L. Hertz , J. P. Brainard

We show using 3D simulations that the challenge of generating dense mono-energetic laser-driven ion beams with low angular divergence can be overcome by utilizing structured targets with a relativistically transparent channel and an…

Plasma Physics · Physics 2022-12-08 Z. Gong , S. S. Bulanov , T. Toncian , A. V. Arefiev

Fundamental studies of excitation and non-linear evolution of kinetic instabilities of strongly nonequlibrium hot plasmas confined in open magnetic traps suggest new opportunities for fine-tuning of conventional electron cyclotron resonance…

The tracking of radiation dose is a fundamental concept for the safe operation of nuclear instruments, and this concept is a multi-task challenge in the case of neutron sources since not only the neutron emissions from the main radioactive…

Medical Physics · Physics 2018-06-11 Ahmet Ilker Topuz , Iskender Atilla Reyhancan

The IceCube collaboration has reported the first detection of high-energy astrophysical neutrinos including $\sim 50$ high-energy starting events, but no individual sources have been identified. It is therefore important to develop the most…

Instrumentation and Methods for Astrophysics · Physics 2016-08-03 Ke Fang , M. Coleman Miller

The cross sections of high energy neutron-induced spallation is useful for studying the transmutation of long-life fission products. However, due to the difficulty of obtaining high-energy neutrons, the experimental data are still scarce.…

Nuclear Theory · Physics 2020-05-12 Wu Sun , Weiwei Qiu , Jun Su

Astrophysical neutrinos are expected to be produced in the interactions of ultra-high energy cosmic-rays with surrounding photons. The fluxes of the astrophysical neutrinos are highly dependent on the characteristics of the cosmic-ray…

High Energy Astrophysical Phenomena · Physics 2015-06-04 Shigeru Yoshida , Aya Ishihara

Angular distributions of the elastic and inelastic deuteron-nucleus scattering off $^{24}$Mg, $^{28}$Si, $^{58}$Ni, $^{90}$Zr, $^{116}$Sn, and $^{208}$Pb have been measured at a beam energy of 98 MeV/nucleon, with the goal of constraining…

The Thermo Scientific P385 Neutron Generator is a compact neutron source, producing 14 MeV neutrons through the deuterium-tritium (DT) fusion reaction. For practical use, it is important to measure and preferably understand the dependence…

Instrumentation and Detectors · Physics 2025-04-03 Jihye Jeon , Robert J. Goldston , Erik P. Gilson

Canada recently lost its major supply of neutron beams with the closure of the National Research Universal reactor at Chalk River Laboratories in March 2018. This issue is further exacerbated by the closure of other reactors abroad, which…

We characterize the neutron output of a deuterium-deuterium plasma fusion neutron generator, model 35-DD-W-S, manufactured by NSD/Gradel-Fusion. The measured energy spectrum is found to be dominated by neutron peaks at 2.2 MeV and 2.7 MeV.…

Instrumentation and Detectors · Physics 2017-11-23 R. F. Lang , J. Pienaar , E. Hogenbirk , D. Masson , R. Nolte , A Zimbal , S. Röttger , M. L. Benabderrahmane , G Bruno

Positron acceleration in plasma wakefield faces significant challenges since the positron beam must be pre-generated and precisely coupled into the wakefield, and most critically, suffers from defocusing issues. Here we propose a scheme…

‹ Prev 1 8 9 10 Next ›