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Showing 1 to 20 of 50 for “"nuclear reaction"”.
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Experimental problems in nuclear reaction studies
Thesis (B.S.)--Massachusetts Institute of Technology, Dept. of Physics, 1961.
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Nuclear reaction analysis cross-sections measurements for Boron and Carbon.
The aim of the project was to measure nuclear reaction cross-sections for selected light elements such as Boron and Carbon for the database at Radiation Utilisation Group of Necsa. Deuteron-fnduced and "He-induced reactions were performed at the 4MV Van de Graaff accelerator at detection angles of …
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Beam characterization for accelerator-based boron neutron capture therapy using the ⁹Be(d,n) nuclear reaction
Use of the ⁹Be(d,n) nuclear reaction for accelerator-based boron neutron capture therapies (AB-BNCT) was investigated. The moderated neutron spectra produced at several deuteron bombarding energies were evaluated in terms of dose rates and dosimetric profiles in a water-filled brain phantom using …
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Chemical Effects of the Nuclear Reaction Nitrogen-14(neutron,proton)carbon-14 in Crystalline Ammonium-Sulfate and Beryllium-Nitride
Made available in DSpace on 2014-12-05T19:36:02Z (GMT). No. of bitstreams: 1 0010463.pdf: 7338651 bytes, checksum: f767a7b268ce845d0ef592d4f91c9ea9 (MD5) Previous issue date: 1954
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Beta-particle dosimetry in radiation synovectomy and use of the ¹⁰B(n,α) nuclear reaction to examine the pathology of rheumatoid arthritis
… Institute of Technology, Dept. of Nuclear Engineering, 1994.
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Nuclear reactions in the crust of accreting neutron stars
… and the composition of the crust. To model the nuclear energy release and crust composition, we build up a first complete network with pycnonuclear fusion. We run a consistent nuclear reaction network that follows the evolution of an accreted fluid element from the atmosphere down to the inner …
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Reactions of energetic carbon atoms produced by ¹²C(p,pn)¹¹C in alkanes and alkyl chlorides: moderator effects and deuterium isotope effects
The reactions of energetic carbon atoms produced by the nuclear reaction ¹²C(p,pn)¹¹C in some specifically-deuterated ethanes and propanes were investigated.
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Photo-Nuclear Reactions in Silicon-28 by Monochromatic Photons of 17.1 Mev - 19.1 Mev
The photo-nuclear reaction cross-sections of Si28 were measured in the energy range from 17.1 to 19.1 MeV. The University of Illinois bremsstrahlung monochromator was used to define the incident gamma ray energy to about 300 keV. A 3 mm si detector was used as a target.
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Using time-resolved nuclear diagnostics to probe kinetic/multi-ion physics and shock dynamics on OMEGA and the NIF
… the development and application of time-resolved nuclear diagnostics to probe plasma evolution in Inertial Confinement Fusion (ICF) implosions. On the OMEGA laser facility at the Laboratory for Laser Energetics (LLE) in Rochester, New York, the impact of kinetic and multi-ion effects on ICF …
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Experimental and theoretical multi-channel study of direct nuclear reactions: a tool to provide data driven information on neutrino-less double-beta decay
… aims to provide experimental information on the nuclear matrix elements involved in the expression of 0vbb-decay half-life by measuring the cross-section of double charge exchange nuclear reactions. The experimental set-up to measure the zero-degrees double charge exchange nuclear reaction …
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Neutron exposure and neutron flux in Asymptotic Giant Branch stars: a study of neutron capture cross sections of Zr isotopes
Nuclear astrophysics is an interdisciplinary branch of physics involving close collaboration among researchers in various subfields of nuclear physics and astrophysics, with significant emphasis in areas such as stellar modeling, measurement and theoretical estimation of nuclear reaction rates, …
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Aspectos morfológicos e ultraestruturais de três ciliados de musgos da localidade de Corrêas, Petrópolis, Rio de Janeiro
… rnicroscopy (Bodian's Protargol and Feulgen's Nuclear Reaction), standard scanning and transmission electron microscopy were employed. Morphological characteristics and some ultrastructural aspects have been analised, described and compared with those already presented in the literature. In …
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Moderation of high-energy fast neutrons in beryllium from a tokamak fusion reactor and heat transfer to the cooling water system
… neutrons in beryllium emitted from a D-T fusion nuclear reaction. The energy deposited from neutron-beryllium interactions which produces heat in the blanket of a fusion tokamak. A review of literature and data available for neutron-beryllium interactions is provided to support the MC software of …
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Heavy-ion double charge exchange reactions as tools for 0bb decays. The 40Ca(18O,18Ne)40Ar reaction at 270 MeV by using MAGNEX
… in a research line that aims to access the Nuclear Matrix Element (NME) involved in the half-life of the 0 bb decay, by measuring the cross sections of heavy-ion induced Double Charge Exchange (DCE) reactions with high accuracy. The basic point is that the initial and nal state of both 0 bb …
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ΜΕΛΕΤΗ ΣΥΝΑΓΩΝΙΣΜΟΥ PN/D ΣΕ ΠΥΡΗΝΙΚΕΣ ΑΝΤΙΔΡΑΣΕΙΣ-ΜΗΧΑΝΙΣΜΟΙ ΑΝΤΙΔΡΑΣΕΩΝ (6LI, D)
… AND A DENTERON WHICH ARE EMITTEDIN A HEAVY-ION NUCLEAR REACTION, PRODUCING THE SAME RESIDUAL NUCLEUS HAS BEENMEASURED IN 13 NUCLEAR REACTIONS AT DIFFERENT BOMBARDING ENERGIES. THE EXPERIMENTAL METHOD EMPLOYED IN THESE MEASUREMENTS CONSISTS OF DETECTING CHARGED LIGHT PARTICLES IN COINCIDENCE WITH …
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Growth and Characterization of Carbon-Doped Aluminum(x) Gallium(1-X) Arsenide and Aluminum(x) Gallium(1-X) Phosphide
… (SIMS), double crystal x-ray diffraction and nuclear reaction analysis in an ion channeling geometry. It was revealed that the surface morphology and elemental composition of p$\sp+$ Al$\sb{\rm x}$Ga$\sb{\rm 1-x}$As were critically dependent on the growth conditions due to the existence of a …
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A novel measurment of net erosion and plasma-material interaction in plasma thrusters
… markers implanted in a thruster wall material. Nuclear Reaction Analysis (NRA) on the implanted material gives net erosion measurements while simultaneous Rutherford Backscattering Spectroscopy (RBS) quantifies the plasma retention and contamination in the surface layers. This insight into the …
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Trapping of hydrogen in Hf-based high κ dielectric thin films for advanced CMOS applications.
… analysis (ERDA) for quantifying hydrogen and nuclear reaction analysis (NRA) for quantifying carbon, X-ray diffraction (XRD) for measuring degree of crystallinity and X-ray photoelectron spectroscopy (XPS) were used to characterize these thin dielectric materials. ERDA data are used to …
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Synthesis and characterization of atmospheric pressure chemically vapor deposited aluminum
… glow discharge optical emission spectroscopy and nuclear reaction analysis revealed that the coatings consisted essentially of pure aluminum (~99 at.%) with oxygen and carbon present as minor constituents. The coatings were characterized in terms of their morphological, structural, electrical, and …
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