Elastic Scattering Angular Distributions of Fast Neutrons on Light Nuclei

1955 ◽  
Vol 98 (3) ◽  
pp. 669-673 ◽  
Author(s):  
Harvey B. Willard ◽  
Joe K. Bair ◽  
Joe D. Kington
Keyword(s):  
Elastic Scattering ◽  
Light Nuclei ◽  
Angular Distributions ◽  
Fast Neutrons

The scattering of 29 MeV 3 He-particles by 1 H, 2 H, 3 He and 4 He nuclei

1960 ◽  
Vol 258 (1293) ◽  
pp. 202-214 ◽  
Keyword(s):  
Group Theory ◽  
Elastic Scattering ◽  
Cross Sections ◽  
Photographic Plate ◽  
Light Nuclei ◽  
Angular Distributions ◽  
Angular Range ◽  
Centre Of Mass ◽  
Plate Method ◽  
Inelastic Processes

Angular distributions for the scattering of 29 MeV 3 He-particles by light nuclei have been observed using a photographic plate method. Absolute differential cross-sections for elastic scattering, and for inelastic processes for 2 H, 3 He and 4 He nuclei, are given within the centre-of-mass angular range 20 to 150°. The elastic scattering distributions for the 1 H and 3 He nuclei have been compared with predictions based on resonating group theory.

Proposed Solutions to Achieve Nuclear Fusion

Engevista ◽  
2017 ◽  
Vol 19 (5) ◽  
pp. 1496
Author(s):  
Relly Victoria Virgil Petrescu ◽  
Raffaella Aversa ◽  
Antonio Apicella ◽  
Florian Ion Petrescu
Keyword(s):  
Nuclear Reactor ◽  
Nuclear Reactions ◽  
Nuclear Fusion ◽  
Nuclear Fission ◽  
Light Nuclei ◽  
Fast Neutrons ◽  
Fusion Reactions ◽  
Nuclear Fusion Reactions ◽  
The Masses ◽  
Fusion Products

Despite research carried out around the world since the 1950s, no industrial application of fusion to energy production has yet succeeded, apart from nuclear weapons with the H-bomb, since this application does not aims at containing and controlling the reaction produced. There are, however, some other less mediated uses, such as neutron generators. The fusion of light nuclei releases enormous amounts of energy from the attraction between the nucleons due to the strong interaction (nuclear binding energy). Fusion it is with nuclear fission one of the two main types of nuclear reactions applied. The mass of the new atom obtained by the fusion is less than the sum of the masses of the two light atoms. In the process of fusion, part of the mass is transformed into energy in its simplest form: heat. This loss is explained by the Einstein known formula E=mc2. Unlike nuclear fission, the fusion products themselves (mainly helium 4) are not radioactive, but when the reaction is used to emit fast neutrons, they can transform the nuclei that capture them into isotopes that some of them can be radioactive. In order to be able to start and to be maintained with the success the nuclear fusion reactions, it is first necessary to know all this reactions very well. This means that it is necessary to know both the main reactions that may take place in a nuclear reactor and their sense and effects. The main aim is to choose and coupling the most convenient reactions, forcing by technical means for their production in the reactor. Taking into account that there are a multitude of possible variants, it is necessary to consider in advance the solutions that we consider them optimal. The paper takes into account both variants of nuclear fusion, and cold and hot. For each variant will be mentioned the minimum necessary specifications.

Systematics of Isospin Mixing in Proton Elastic Scattering from Light Nuclei

1976 ◽  
Vol 36 (23) ◽  
pp. 1357-1359 ◽  
Author(s):  
P. G. Ikossi ◽  
W. J. Thompson ◽  
T. B. Clegg ◽  
W. W. Jacobs ◽  
E. J. Ludwig
Keyword(s):  
Elastic Scattering ◽  
Light Nuclei ◽  
Proton Elastic Scattering

scholarly journals Angular distributions and critical minima in the elastic scattering of electrons by atomic Copper

2020 ◽  
Author(s):  
Shorifuddoza M ◽  
Pretam Das ◽  
Raihan Kabir ◽  
A K Haque ◽  
M Uddin
Keyword(s):  
Elastic Scattering ◽  
Angular Distributions

Angular distributions of fast neutrons from the reaction

1967 ◽  
Vol 17 (8) ◽  
pp. 707-710 ◽  
Author(s):  
S. Pospíšil ◽  
M. Rozkoš ◽  
F. Štěrba ◽  
I. Wilhelm
Keyword(s):  
Angular Distributions ◽  
Fast Neutrons

scholarly journals Study of cluster structures in nuclei through the ratio method

2020 ◽  
Vol 56 (12) ◽  
Author(s):  
Pierre Capel ◽  
Ronald C. Johnson ◽  
Filomena M. Nunes
Keyword(s):  
Elastic Scattering ◽  
Cross Sections ◽  
Intermediate Energy ◽  
Halo Nuclei ◽  
Ratio Method ◽  
Angular Distributions ◽  
Neutron Halo ◽  
Target Interaction ◽  
Nuclear Systems ◽  
Reaction Channels

AbstractFor one-neutron halo nuclei, the cross sections for elastic scattering and breakup at intermediate energy exhibit similar angular dependences. The Recoil Excitation and Breakup (REB) model of reactions elegantly explains this feature. It also leads to the idea of a new reaction observable to study the structure of loosely-bound nuclear systems: the Ratio. This observable consists of the ratio of angular distributions for different reaction channels, viz. elastic scattering and breakup, which cancels most of the dependence on the reaction mechanism; in particular it is insensitive to the choice of optical potentials that simulate the projectile-target interaction. This new observable is very sensitive to the structure of the projectile. In this article, we review a series of previous papers, which have introduced the Ratio Method and its extension to low beam energies and proton-halo nuclei.

scholarly journals The scattering of 4·2 MeV protons by deuterium, helium and other light elements

1947 ◽  
Vol 190 (1021) ◽  
pp. 180-195 ◽  
Keyword(s):  
Angular Distribution ◽  
Elastic Scattering ◽  
Scattered Wave ◽  
Angular Distributions ◽  
Light Elements ◽  
Coulomb Term ◽  
Collision Processes ◽  
Mev Protons

The methods previously described have been applied to a study of the elastic scattering of 4·2 MeV protons by deuterium, helium, nitrogen, oxygen, neon, argon, chlorine and bromine. The results obtained with deuterium and helium as the scattering gases are compared with those of other experimenters working with protons of different energies. The angular distributions of the protons elastically scattered by nitrogen and oxygen, together with the results for carbon obtained in previous measurements, can be simply described in terms of an S -component interacting with the Coulomb term in the formula for the scattered wave. Values are obtained in each case for the magnitude of the parameter which defines the amplitude and phase of the S -wave. The angular distribution of the protons inelastically scattered by neon has been investigated and evidence obtained for similar collision processes in experiments with argon and chlorine.

scholarly journals The Optical Model and Proton Elastic Scattering from 14N and 16O

1977 ◽  
Vol 30 (3) ◽  
pp. 287 ◽  
Author(s):  
A Gabric ◽  
K Amos
Keyword(s):  
Elastic Scattering ◽  
Optical Model ◽  
Model Potential ◽  
Light Nuclei ◽  
Projectile Energy ◽  
Strength Parameters ◽  
Proton Elastic Scattering ◽  
Doorway State ◽  
Optical Model Potential

Allowing for important doorway state effects in analyses of proton elastic scattering from the light nuclei 14N and 160 enables an average geometry optical model potential to be determined, the strength parameters of which show a smooth behaviour with projectile energy.

Elastic Scattering of Fast Neutrons by Tritium andHe3

1960 ◽  
Vol 119 (6) ◽  
pp. 1981-1991 ◽  
Author(s):  
J. D. Seagrave ◽  
L. Cranberg ◽  
J. E. Simmons
Keyword(s):  
Elastic Scattering ◽  
Fast Neutrons
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