Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2006-02-03
Nucl.Instrum.Meth.A568:475-487,2006
Physics
High Energy Physics
High Energy Physics - Phenomenology
27 pages, 11 figures
Scientific paper
10.1016/j.nima.2006.02.161
A novel type of particle "cooling", called Ionization Cooling, is applicable to slow (v of the order of 0.1c) ions stored in a small ring. The many traversals through a thin foil enhance the nuclear reaction probability, in a steady configuration in which ionisation losses are recovered at each turn by a RF-cavity. For a uniform target "foil" the longitudinal momentum spread diverges exponentially since faster (slower) particles ionise less (more) than the average. In order to "cool" also longitudinally, a chromaticity has to be introduced with a wedge shaped "foil". Multiple scattering and straggling are then "cooled" in all three dimensions, with a method similar to the one of synchrotron cooling, but valid for low energy ions. Particles then stably circulate in the beam indefinitely, until they undergo for instance nuclear processes in the thin target foil. This new method is under consideration for the nuclear production of a few MeV/A ion beams. Simple reactions, for instance Li 7 + D Li 8 + p, are more favourably exploited with the heavier ion colliding against a gas-jet D2 target. Kinematics is generally very favourable, with emission angles in a narrow angular cone and a relatively concentrated outgoing energy spectrum which allows an efficient collection as a neutral gas in a tiny volume with a technology at high temperatures perfected at ISOLDE. It is however of a much more general applicability. The method appears capable of producing a "table top" storage ring with an accumulation rate in excess of 10**14 Li-8 radioactive ion/s for possible use for radioactive beams for physics studies (for example for beta-beams) or for therapy.
Ferrari Aldo
Kadi Yacine
Rubbia Carlo
Vlachoudis V.
No associations
LandOfFree
Beam Cooling with ionisation losses does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Beam Cooling with ionisation losses, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Beam Cooling with ionisation losses will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-484628