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1.
Radiat Prot Dosimetry ; 126(1-4): 18-22, 2007.
Article in English | MEDLINE | ID: mdl-17510200

ABSTRACT

A new quasi-monoenergetic neutron beam facility has been constructed at The Svedberg Laboratory (TSL) in Uppsala, Sweden. Key features include a neutron energy range of 11-175 MeV, high fluxes, user flux control, flexible neutron field size and shape, and spacious and easily accessible user area. The first results of the beam characterisation measurements are reported.


Subject(s)
Neutrons , Particle Accelerators/instrumentation , Radiometry/instrumentation , Equipment Design , Equipment Failure Analysis , Radiation Dosage , Sweden
2.
Phys Rev E Stat Nonlin Soft Matter Phys ; 73(6 Pt 2): 066503, 2006 Jun.
Article in English | MEDLINE | ID: mdl-16906990

ABSTRACT

High-energy electron cooling, presently considered as an essential tool for several applications in high-energy and nuclear physics, requires an accurate description of the friction force which ions experience by passing through an electron beam. Present low-energy electron coolers can be used for a detailed study of the friction force. In addition, parameters of a low-energy cooler can be chosen in a manner to reproduce regimes expected in future high-energy operation. Here, we report a set of dedicated experiments in CELSIUS aimed at a detailed study of the magnetized friction force. Some results of the accurate comparison of experimental data with the friction force formulas are presented.

3.
Phys Med Biol ; 45(5): 1151-63, 2000 May.
Article in English | MEDLINE | ID: mdl-10843097

ABSTRACT

A scanned proton beam yields dose distributions that in most cases are superior to passively scattered proton beams and to other external radiation treatment modalities. The present paper gives a description of the scanning system that has been developed at the Svedberg Laboratory (TSL) in Uppsala. The scanning technique and the technical design are described. The solution with a small pole gap of the magnets and a moveable second magnet results in a very compact scanning head, which can therefore be incorporated in a gantry of relatively limited size. A prototype was constructed that has been used to realize various dose distributions with a scanned beam of 180 MeV protons at TSL.


Subject(s)
Magnetics , Proton Therapy , Radiotherapy, High-Energy/instrumentation , Biophysical Phenomena , Biophysics , Cyclotrons , Equipment Design , Humans , Neoplasms/radiotherapy , Radiotherapy Dosage , Sweden
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