Radioactive Ion Beams

An electrostatic mirror can be produced by an electrode at a potential energy that is greater than the kinetic energy divided by the charge of the particle. The bending and focusing power of electrostatic systems are limited by the maximum electric fields that can be applied across the electrodes. Extensive electrostatic systems have been constructed for the transport of low-energy beams, KE 50 keV, for example, beams extracted from ion sources are usually transported with electrostatic elements. 

REX-ISOLDE Large Synchrotron/1+// EBIS/LINAC TF Europe (CERN) 

There are projectile fragmentation separators presently operating in France, Germany, Japan, Russia, and the United States. Other similar devices are in the planning stages or are under construction in several laboratories. A comparison of the various parameters that describe these fragment separators is given in Table 14.3. The LISE separator has been operated for more than 15 years and has provided 

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B0Y80] R. N. Boyd, in "Proc. Workshop on Radioactive Ion Beams and Small Cross Sections", R. N. Boyd (ed.) (Burr Oak, Ohio 1981), Ohio State Univ. Preprint, p. 30. 

Fig. 2. Schematic layout of the vertical TRIUMF-ISOL facility including high intensity and high resolution radioactive ion beam lines.

W. Gelletly. Radioactive ion beams. Education in Chemistry, January 2003, 13. 

This article discusses the importance of the weak interaction rates in different astrophysical processes. Though a lot of effort has gone in to calculate these rates accurately, more work is still needed, particularly for the highly neutron-rich nuclei. Radioactive ion beam experiments are also expected to give valuable information for these nuclei. So one hopes that these will help in a more accurate description of these processes in the near future. 

A. Ray, in 5th SERC School on Radioactive Ion Beams and Physics of Nuclei A way from the Line of Stability, Chandigarh, ed. by I. M. Govil, R. K. Puri (Elite publishers, New Delhi), p. 99 (2003) arXiv astro-ph/0405568. 

It is of importance to improve the sensitivity when working on radioactive ion beams, where the beam intensity might be less than 100 s L Rejection of background events becomes therefore important. One way of doing so is to only detect photons that come in coincidence with ions[25]. A schematic diagram of a set-up is shown in figure 1. 

Holifield Radioactive Ion Beam Facility (HRIBF), http //www.phy.ornl.gov/hribf/hribf.html... 

Two methods will be described briefly they serve as examples of how to produce radioactive-ion beams. Both of them are connected with ECR ion sources, but other types of ion sources can also be applied to high-efflciency radioactive-ion beam production (Wolf 1995). 

Bricault, P.G., Dombsky, M., Schmor, P.W., Stanford, G. Radioactive ion beams facility at TRIUMF. Nucl. Instrum. Methods Phys. Res. B126, 231-235 (1997)... 

Garrett, J.D. The latest from the new Holifield radioactive ion beam facility at Oak Ridge national laboratory. Nucl. Phys. A616, 3c-10c (1997)... 

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