Comparative yields of alkali elements and thallium from uranium irradiated with GeV protons,3He and12C

Björnstad, T.; Gustafsson, H. Å.; Jonson, B.; Jönsson, O.; Lindfors, V.; Mattsson, S.; Poskanzer, A. M.; Ravn, H. L.; Schardt, D.

doi:10.1007/bf01424763

Cited by 6 publications

(2 citation statements)

References 14 publications

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“…19, which is taken from Refs. [42,43]. It seems that the production of long-lived isotopes close to beta stability is enhanced by a factor of 2 and 5 by 3 H and 12 C projectiles, respectively.…”

Section: Exploiting General Properties Of Heavy-ion Fragmentation mentioning

confidence: 95%

Benefits of extended capabilities of the driver accelerator for EURISOL

Schmidt

Kelić

Lukić

et al. 2007

Phys. Rev. ST Accel. Beams

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Possibilities are studied for the optimization of EURISOL rare nuclide yields in specific regions of the nuclear chart by building the driver accelerator in a way that enables accelerating several additional beam species, to specific energies, besides the baseline 1 GeV proton beam. Nuclide production rates with these driver beams are compared to the production rates expected with the 1 GeV proton beam in the directproduction and the high-power-converter scenarios. Arguments are presented to show that several additional driver-beam scenarios could provide substantial benefit for the production of nuclides in specific regions of the nuclear chart. The quantitative values in this report are preliminary in the sense that they depend on assumptions on the values of some key parameters which are subject to technical development, e.g., maximum beam intensities or limits on the target heat load. The different scenarios are compared from the aspect of nuclide yields. The arguments presented here, when complemented by the corresponding technological and financial considerations, are intended to serve as a part of the basis for decisions on the design of the driver accelerator of EURISOL.

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Section: Exploiting General Properties Of Heavy-ion Fragmentation mentioning

confidence: 95%

Benefits of extended capabilities of the driver accelerator for EURISOL

Schmidt

Kelić

Lukić

et al. 2007

Phys. Rev. ST Accel. Beams

View full text Add to dashboard Cite

show abstract

“…As a result of the recent development of ECR ion sources and accelerators, the intensities of heavy-ion (HI) beams with energies of 30-100 MeV u −1 have been greatly increased, so that they may offer an interesting alternative to high-energy protons. In particular, the somewhat longer-range light ions 3 He and 12 C show a crosssection advantage for deep spallation and target fragmentation reactions (Bjørnstad et al . 1981a, b), as seen in figure 14.…”

Section: (D ) Heavy Ionsmentioning

confidence: 99%

Radioactive ion–beam projects based on the two–accelerator or ISOL principle

Ravn

1998

Philosophical Transactions of the Royal Society of London. Seri

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Today, two basically different methods have been developed for production of accelerated radioactive ion beams (RIB). The fragmentation of intense heavy-ion beams, in which the forward momentum imparted to the primary beam fragments is preserved and exploited for mass separation, study and further reactions, is the preferred technique at present. The second method, which is the subject of this review, makes use of spallation, fission and fragmentation reactions in thick targets driven by light particles from a first accelerator or a nuclear reactor. The radioactivity produced is brought to rest in the target and then has to be separated and transformed into an ion beam in order to be post-accelerated in a second machine. This method has in the past 30 years been used successfully at many on-line mass separators to produce low-energy radioactive ion beams. Techniques for the transfer of the nuclear reaction products into an ion beam have been optimized with respect to the individual physical and chemical properties of 70% of the chemical elements. Several new ideas in efficiently matching such an on-line mass separator as injector to a heavy-ion accelerator are currently being developed so that this method holds much promise for the future, in particular when it comes to selecting the intensity and energy choice of the secondary beams. This paper is devoted to a systematic description and discussion of this two-accelerator type of RIB facility, of which many are currently in various phases of construction and planning.

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On-Line Mass Separators

Ravn

Allardyce

1989

Treatise on Heavy Ion Science

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Comparative yields of alkali elements and thallium from uranium irradiated with GeV protons,3He and12C

Cited by 6 publications

References 14 publications

Benefits of extended capabilities of the driver accelerator for EURISOL

Benefits of extended capabilities of the driver accelerator for EURISOL

Radioactive ion–beam projects based on the two–accelerator or ISOL principle

On-Line Mass Separators

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