Monoergic Neutrons from Charged Particle Reactions

Hanson, A. O.; Taschek, R. F.; Williams, John H.

doi:10.1103/revmodphys.21.635

Cited by 101 publications

(13 citation statements)

References 44 publications

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“…The D-D reaction cross-section increases with the energy up to 1 Mev (Ref. 20), and hence the neutron yield could be enhanced by increasing the beam energy. However, increasing the extraction voltage above 100 kV is apparently impractical as it would lead to a significant increase of complexity, including high-voltage platforms, dry air, etc., which would make the generator difficult to use in real-world conditions and increase the cost significantly.…”

Section: Prospects Of a Neutron Generator Based On High-current Ecr Imentioning

confidence: 99%

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High yield neutron generator based on a high-current gasdynamic electron cyclotron resonance ion source

Skalyga

Izotov

Golubev

et al. 2015

Journal of Applied Physics

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High yield neutron generator based on a high-current gasdynamic electron cyclotron resonance ion source Skalyga, V.; Izotov, I.; Golubev, S.; Sidorov, A.; Razin, S.; Strelkov, A.; Tarvainen, Olli; Koivisto, Hannu; Kalvas, Taneli Skalyga, V., Izotov, I., Golubev, S., Sidorov, A., Razin, S., Strelkov, A., . . . Kalvas, T. (2015). High yield neutron generator based on a high-current gasdynamic electron cyclotron resonance ion source. Journal of Applied Physics, 118 (9) In present paper, an approach for high yield compact D-D neutron generator based on a high current gasdynamic electron cyclotron resonance ion source is suggested. Results on dense pulsed deuteron beam production with current up to 500 mA and current density . It is discussed that compact neutron generator with such characteristics could be perspective for a number of applications like boron neutron capture therapy, security systems based on neutron scanning, and neutronography. V C 2015 AIP Publishing LLC. [http://dx

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Section: Prospects Of a Neutron Generator Based On High-current Ecr Imentioning

confidence: 99%

“…The beam extraction and formation system affects the total beam current and current density as well as the final energy of the Dþ beam, on which D-D and D-T fusion cross-sections depend strongly. 20 The density of deuterium or tritium in the target material as well as the ion beam current contribute directly to the total neutron yield.…”

mentioning

confidence: 99%

High yield neutron generator based on a high-current gasdynamic electron cyclotron resonance ion source

Skalyga

Izotov

Golubev

et al. 2015

Journal of Applied Physics

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“…We have transformed the laboratory angular distribution into a centerof-mass distribution by the methods prescribed by Marion et al (10) and Hanson et al (11). For simplicity in the transformation, the emission of a composite particle [deuteron of mass two for (p + n) emission and a particle of mass four for (p + 3n) emission] was assumed.…”

Section: J Emmentioning

confidence: 99%

Angular distributions of recoil products from some reactions induced in ⁶⁵Cu and ¹⁹⁷Au by protons of energy 30–85 MeV

Dewanjee¹,

Saha²,

Yaffe³

1968

Can. J. Chem.

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Angular distributions of products formed in the reactions 65Cu(p,pn)G4Cu, '97Au(p,pn)1" Au, and 197Au(p,p3n)194Au in the range of proton energy 30-85 MeV were studied. The angular distribution results of "CU and 1 9 6 A~ show forward peaking at low energy and sidewise peaking at higher energies. Approximate symmetry about 90" was observed for the angular distribution of ""Au in the center-of-mass system. The experimental results have been compared with (a) Monte Carlo evaporation calculations, (b) cascade-evaporation calculations at 85 MeV for "Cu, and (c) inelastic scattering plus evaporation calculations.Good agreement was obtained with statistical theory calculations at low energy and inelastic scattering model calculations at higher energies. The comparisons indicate that the reactions proceed by the compound nucleus mechanisni at lower energies and the direct interaction mechanism predominates a t ' higher energies.Canadian Journal of Chemistry, 46, 3551 (1968) IntroductionIn an earlier publication (I), results of the average projected recoil ranges of the products formed in the 6 5~~( p , p n ) 6 4~~ and 197A~(p,pn)-lg6Au reactions in the energy range of 20-85 MeV were presented. This study provided information about the average momentum transfer in the initial phase of the reaction. The results were compatible with the compound-nucleus mechanism at lower energies and the direct interaction mechanism at higher energies. Recoil ranges are sensitive to the angular distribution of the recoils, particularly at higher energy. In the low energy region, the compound nucleus mechanism predominates and thus the angular distribution peaks in the forward direction. On the other hand at higher energies, the direct interaction mechanism becomes more important and therefore a sidewise peaking in the angular distribution is observed.The angular distribution of spallation reactions at higher energies (above 350 MeV) have been studied by Reuland et al.

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“…In the D-D reaction at deuteron energies below about 400 kev, the neutrons emitted at 900 from a thick target all have energies of about 2.5 Mev (22). Those in the forward direction have a distribution of energies depending on the bombarding voltage, but the distribution is not very wide, and it will usually be sufficiently accurate, from the point of view of the LET spectrum, to consider the primary neutrons from the D-D reaction as monoenergetic, or to divide the total flux into a small number of monoenergetic components and add the resulting LET distributions.…”

Section: Energy Spectrum Of Primary Neutronsmentioning

confidence: 99%

The Distribution of Linear Energy Transfer or "Ion Density" for Fast Neutrons in Water

Boag¹

1954

Radiation Research

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Monoergic Neutrons from Charged Particle Reactions

Cited by 101 publications

References 44 publications

High yield neutron generator based on a high-current gasdynamic electron cyclotron resonance ion source

High yield neutron generator based on a high-current gasdynamic electron cyclotron resonance ion source

Angular distributions of recoil products from some reactions induced in ⁶⁵Cu and ¹⁹⁷Au by protons of energy 30–85 MeV

The Distribution of Linear Energy Transfer or "Ion Density" for Fast Neutrons in Water

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Monoergic Neutrons from Charged Particle Reactions

Cited by 101 publications

References 44 publications

High yield neutron generator based on a high-current gasdynamic electron cyclotron resonance ion source

High yield neutron generator based on a high-current gasdynamic electron cyclotron resonance ion source

Angular distributions of recoil products from some reactions induced in 65Cu and 197Au by protons of energy 30–85 MeV

The Distribution of Linear Energy Transfer or "Ion Density" for Fast Neutrons in Water

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Angular distributions of recoil products from some reactions induced in ⁶⁵Cu and ¹⁹⁷Au by protons of energy 30–85 MeV