The Performance of a New Radio-Frequency Ion Source

Thonemann, P. C.; Moffatt, J.; Roaf, D.; Sanders, J. H.

doi:10.1088/0959-5309/61/5/112

Cited by 55 publications

(11 citation statements)

References 3 publications

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“…The most familiar accelerator neutron sources are large electrostatic (Cockcroft-Walton and van de Graff designs), radiofrequency (RF) linear accelerator (linac) systems, and cyclotrons employing the light ion reactions of Table 2. [50][51][52][53][54] Several different accelerating arrangements have been developed based on these approaches and deployed in commercial systems; several references have been written describing the scientific operating principles of these devices and the engineering challenges involved in the design, construction, and operation. [55][56][57][58] Rather than repeating these details yet again interested readers are encouraged to consult these references for more information about the underlying details of these systems.…”

Section: Open-vacuum Ion Systemsmentioning

confidence: 99%

Production and applications of neutrons using particle accelerators

Chichester

2009

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Advances in neutron science have gone hand in hand with the development and of particle accelerators from the beginning of both fields of study. Early accelerator systems were developed simply to produce neutrons, allowing scientists to study their properties and how neutrons interact in matter, but people quickly realized that more tangible uses existed too. Today the diversity of applications for industrial accelerator-based neutron sources is high and so to is the actual number of instruments in daily use is high, and they serve important roles in the fields where they're used. This chapter presents a technical introduction to the different ways particle accelerators are used to produce neutrons, an historical overview of the early development of neutron-producing particle accelerators, a description of some current industrial accelerator systems, narratives of the fields where neutron-producing particle accelerators are used today, and comments on future trends in the industrial uses of neutron producing particle accelerators.

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Section: Open-vacuum Ion Systemsmentioning

confidence: 99%

Production and applications of neutrons using particle accelerators

Chichester

2009

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“…The ions produced by a high-frequency source (Thonemann, Moffatt, Roaf & Sanders 1948) were accelerated with a Cockcroft and Walton cascade generator. The monatomic D+ ions were separated by deflecting them through 11°, using a magnetic field whose strength could be varied by moving a soft iron shunt near the poles of a permanent magnet.…”

Section: E X P E R I M E N T a L A P P A R A T U Smentioning

confidence: 99%

The cross-sections and angular distributions of the D—D reactions between 150 and 450 keV

Preston

Shaw

Young

1954

Proc. R. Soc. Lond. A

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A thin gas target was used and the 3 He and 3 H particles from the reactions were counted in two proportional counters which were rotated to make angles between 20 and 135° (in the centre-of-mass system) with the incident deuteron beam. In contradiction to data previously published for this energy range, the angular distributions of the reactions are different, the asymmetry of the neutron-producing reaction being the greater. The total cross-section of the neutron reaction is greater than that of the proton reaction; the ratio of the cross-sections increases with bombarding energy.

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“…The entire target was kept a t a known temperature by water cooling. The ions D+, D^ and D^ were produced in a high-frequency ion source of the type described by Thonemann, Moffatt, Roaf & Sanders (1948). To prevent electrostatic modulation of the beam by the radio-frequency exciting coils (Price, private communication 1952) the ion source was enclosed in a laminated Faraday screen during runs a t the lowest energies.…”

Section: A P P a R A T U Smentioning

confidence: 99%

The cross-section and angular distribution of the D-D reactions below 50 keV

1953

Proc. R. Soc. Lond. A

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A thin gas target was used and the particles from the reactions were detected by a proportional counter. The results show that the total cross-section for the two reactions is the same to within 1%, but that the angular distributions of the products are significantly different. The asymmetry coefficient for the reaction D( d , n ) 3 He is given by 0·31 + 0·0058 E , compared with 0·13 + 0·0047 E for reaction D( d , p ) 3 H, where E is the bombarding energy in kilovolts.

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The Performance of a New Radio-Frequency Ion Source

Cited by 55 publications

References 3 publications

Production and applications of neutrons using particle accelerators

Production and applications of neutrons using particle accelerators

The cross-sections and angular distributions of the D—D reactions between 150 and 450 keV

The cross-section and angular distribution of the D-D reactions below 50 keV

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